10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

[ X ] Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2014 or

[    ] Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from to .

Commission File Number 001-34218

COGNEX CORPORATION

(Exact name of registrant as specified in its charter)

Massachusetts	04-2713778
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

	One Vision Drive Natick, Massachusetts 01760-2059 (508) 650-3000
(Address, including zip code, and telephone number, including area code, of principal executive offices)

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Name of Exchange on Which Registered
Common Stock, par value $.002 per share	The NASDAQ Stock Market LLC
Preferred Stock Purchase Rights	The NASDAQ Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yes X No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

Yes No X       

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes X        No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes X        No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.    [  X  ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

x  Large accelerated filer	¨  Accelerated filer
¨  Non-accelerated filer (Do not check if a smaller reporting company)	¨ Smaller reporting company

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes No X       

Aggregate market value of voting stock held by non-affiliates of the registrant as of June 29, 2014: $3,112,594,000

$.002 par value common stock outstanding as of February 1, 2015: 86,544,015 shares

DOCUMENTS INCORPORATED BY REFERENCE:

The registrant intends to file a Definitive Proxy Statement pursuant to Regulation 14A within 120 days of the end of the fiscal year ended December 31, 2014. Portions of such Proxy Statement are incorporated by reference in Part III of this report.

COGNEX CORPORATION

ANNUAL REPORT ON FORM 10-K

FOR THE YEAR ENDED DECEMBER 31, 2014

INDEX

PART I		1
ITEM 1.	BUSINESS	1
ITEM 1A.	RISK FACTORS	6
ITEM 1B.	UNRESOLVED STAFF COMMENTS	12
ITEM 2.	PROPERTIES	13
ITEM 3.	LEGAL PROCEEDINGS	13
ITEM 4.	MINE SAFETY DISCLOSURES	14
ITEM 4A.	EXECUTIVE OFFICERS OF THE REGISTRANT	14
PART II		15
ITEM 5.	MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS, AND ISSUER PURCHASES OF EQUITY SECURITIES	15
ITEM 6.	SELECTED FINANCIAL DATA	17
ITEM 7.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	18
ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	33
ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA	36
ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE	73
ITEM 9A.	CONTROLS AND PROCEDURES	73
ITEM 9B.	OTHER INFORMATION	75
PART III		75
ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE	75
ITEM 11.	EXECUTIVE COMPENSATION	75
ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS	75
ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE	76
ITEM 14.	PRINCIPAL ACCOUNTING FEES AND SERVICES	76
PART IV		76
ITEM 15.	EXHIBITS AND FINANCIAL STATEMENT SCHEDULES	76

PART I

This Annual Report on Form 10-K contains forward-looking statements within the meaning of the Federal Securities Laws. Readers can identify these forward-looking statements by our use of the words “expects,” “anticipates,” “estimates,” “believes,” “projects,” “intends,” “plans,” “will,” “may,” “shall,” “could,” “should,” and similar words and other statements of a similar sense. Our future results may differ materially from current results and from those projected in the forward-looking statements as a result of known and unknown risks and uncertainties. Readers should pay particular attention to considerations described in the section captioned “Risk Factors,” appearing in Part I - Item 1A of this Annual Report on Form 10-K. We caution readers not to place undue reliance upon any such forward-looking statements, which speak only as of the date made. We disclaim any obligation to subsequently revise forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date such statements are made.

Unless the context otherwise requires, the words “Cognex^®,” the “Company,” “we,” “our,” “us,” and “our company” refer to Cognex Corporation and its consolidated subsidiaries.

ITEM 1: BUSINESS

Corporate Profile

Cognex Corporation was incorporated in Massachusetts in 1981. Our corporate headquarters are located at One Vision Drive, Natick, Massachusetts 01760 and our telephone number is (508) 650-3000.

Cognex is a leading worldwide provider of machine vision products that capture and analyze visual information in order to automate tasks, primarily in manufacturing processes, where vision is required. Machine vision is important for applications in which human vision is inadequate to meet requirements for size, accuracy, or speed, or in instances where substantial cost savings are obtained through the reduction of labor or improved product quality. Today, many types of manufacturing equipment require machine vision because of the increasing demands for speed and accuracy in manufacturing processes, as well as the decreasing size of items being manufactured.

Cognex has two operating divisions: the Modular Vision Systems Division (MVSD), based in Natick, Massachusetts, and the Surface Inspection Systems Division (SISD), based in Hayward, California. MVSD develops, manufactures, and markets modular vision systems and ID products that are used to automate the manufacture and tracking of discrete items, such as cellular phones, aspirin bottles, and automobile wheels, by locating, identifying, inspecting, and measuring them during the manufacturing or distribution process. SISD develops, manufactures, and markets surface inspection vision systems that are used to inspect the surfaces of materials processed in a continuous fashion, such as metal, paper, nonwoven, plastic, and glass, to ensure there are no flaws or defects on the surfaces. Historically, MVSD has been the source of the majority of the Company’s revenue, representing approximately 82% of total revenue in 2014. Financial information about these segments may be found in Note 19 to the Consolidated Financial Statements, appearing in Part II - Item 8 of this Annual Report on Form 10-K.

What is Machine Vision?

Since the beginning of the Industrial Revolution, human vision has played an indispensable role in the process of manufacturing products. Human eyes did what no machines could do themselves: locating and positioning work, tracking the flow of parts, and inspecting output for quality and consistency. Today, however, the requirements of many manufacturing processes have surpassed the limits of human eyesight. Manufactured items often are produced too quickly or with tolerances too small to be analyzed by the human eye. In response to manufacturers’ needs, “machine vision” technology emerged, providing manufacturing equipment with the gift of sight. Machine vision systems were first widely embraced by manufacturers of electronic components who needed this technology to produce computer chips with decreasing geometries. However, advances in technology and ease-of-use, combined with the decreasing cost of implementing vision applications, have made machine vision available to a broader range of users.

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Machine vision products combine cameras with intelligent software to collect images and then answer questions about these images, such as:

Question	Description	Example
GUIDANCE
Where is it?	Determining the exact physical location and orientation of an object.	Determining the position of a printed circuit board so that a robot can automatically be guided to place electronic components.
IDENTIFICATION
What is it?	Identifying an object by analyzing its physical appearance or by reading a serial number or symbol.	Reading a two-dimensional barcode directly marked on an automotive airbag so that it can be tracked and processed correctly through manufacturing.
INSPECTION
How good is it?	Inspecting an object for flaws or defects.	Inspecting the paper that US currency is printed on.
GAUGING
What size is it?	Determining the dimensions of an object.	Determining the diameter of a bearing prior to final assembly.

Machine Vision Market

Cognex machine vision is primarily used in the manufacturing sector, where the technology is widely recognized as an important component of automated production and quality assurance. In this sector, Cognex serves three primary markets: factory automation, semiconductor and electronics capital equipment, and surface inspection.

Factory automation customers, who are included in the Company’s MVSD segment, purchase Cognex vision products and incorporate them into their manufacturing processes. Virtually every manufacturer can achieve better quality and manufacturing efficiency by using machine vision, and therefore, this market includes a broad base of customers across a variety of industries, including consumer electronics, automotive, consumer products, food and beverage, medical devices, and pharmaceuticals. The factory automation market also includes customers who purchase Cognex products for use outside of the assembly process, such as using ID products in logistics automation for package sorting and distribution. Sales to factory automation customers represented approximately 82% of total revenue in 2014 compared to 80% of total revenue in 2013.

Semiconductor and electronics capital equipment manufacturers, who are included in the Company’s MVSD segment, purchase Cognex vision products and integrate them into the automation equipment that they manufacture and then sell to their customers to either make semiconductor chips or assemble printed circuit boards. Demand from these capital equipment manufacturers has historically been highly cyclical, with periods of investment followed by downturn. This market, which represented a large portion of our business during the 1990’s, changed after the dot-com bubble burst in 2000. Customers shifted away from embedded machine vision systems containing specialized hardware as PC speeds increased. They first migrated to products containing mostly software with significantly less hardware content, and eventually began buying only the software portion of the system from Cognex. Although these software-only products have high gross margins, the average selling price is significantly lower than for a complete vision system. Sales to semiconductor and electronics capital equipment manufacturers represented approximately 6% of total revenue in 2014 compared to 7% of total revenue in 2013.

Surface inspection customers, who comprise the Company’s SISD segment, are manufacturers of materials processed in a continuous fashion, such as metal, paper, nonwoven, plastic, and glass. These customers need sophisticated machine vision to detect, classify, and analyze defects on the surfaces of those materials as they are being processed at high speeds. Surface inspection sales represented approximately 12% of total revenue in 2014 compared to 13% of total revenue in 2013.

In 2014, direct and indirect revenue from Apple Inc. accounted for 14% of total revenue. In 2013 and 2012, no customer accounted for greater than 10% of total revenue.

Business Strategy

Our goal is to expand our position as a leading worldwide provider of machine vision products. Sales to customers in the factory automation market represent the largest percentage of our total revenue, and we believe that this market provides the greatest potential for long-term, sustained revenue growth.

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In order to grow the factory automation market, we have invested in developing new products and functionality that make vision easier to use and more affordable, and therefore, available to a broader base of customers. This investment includes selective expansion into new industrial and commercial vision applications through internal development, as well as the acquisition of businesses and technologies. We have also invested in building a worldwide sales and support infrastructure in order to access more of the potential market for machine vision. This investment includes opening sales offices in emerging markets, such as China, India, Brazil, and Eastern Europe, where we believe many manufacturers can benefit from incorporating machine vision into their production processes, and developing strategic alliances with other leading providers of factory automation products.

Acquisitions and Divestitures

Our business strategy includes selective expansion into new machine vision applications through the acquisition of businesses and technologies. We plan to continue to seek opportunities to expand our product line, customer base, distribution network, and technical talent through acquisitions in the machine vision industry.

There have been no acquisitions of businesses or divestitures completed by the Company during the past five years. Management considers business acquisitions to be an important part of our growth strategy, and although we continue to actively seek out acquisition opportunities, we are selective in choosing businesses in the machine vision space that will not significantly dilute our operating margins.

Products

Cognex offers a full range of vision and ID products designed to meet customer needs at different performance and price points. Our products range from low-cost vision sensors that are easily integrated, to PC-based systems for users with more experience or more complex requirements. Our products also have a variety of physical forms, depending upon the user’s need. For example, customers can purchase vision software to use with their own camera and processor, or they can purchase a standalone unit that combines camera, processor, and software into a single package.

Vision Software

Vision software provides users with the most flexibility by combining the full general-purpose library of Cognex vision tools with the cameras, frame grabbers, and peripheral equipment of their choice. The vision software runs on the customer’s PC, which enables easy integration with PC-based data and controls. Applications based upon Cognex vision software perform a wide range of vision tasks, including part location, identification, measurement, assembly verification, and robotic guidance. Cognex's VisionPro^® software offers an extensive suite of patented vision tools for advanced programming, while Cognex Designer allows customers to build complete vision applications with the simplicity of a graphical, flowchart-based programming environment. Cognex also offers a series of Displacement Sensors that provide three-dimensional inspection of products.

Vision Systems

Vision systems combine camera, processor, and vision software into a single, rugged package with a simple and flexible user interface for configuring applications. These general-purpose vision systems are designed to be easily programmed to perform a wide range of vision tasks including part location, identification, measurement, assembly verification, and robotic guidance. Cognex offers the In-Sight^® product line of vision systems in a wide range of models to meet various price and performance requirements.

Vision Sensors

Unlike general-purpose vision systems that can be programmed to perform a wide variety of vision tasks, vision sensors are designed to deliver very simple, low-cost, reliable solutions for a limited number of common vision applications such as checking the presence and size of parts. Cognex offers the Checker^® product line of vision sensors that performs a variety of single-purpose vision tasks.

ID Products

ID products quickly and reliably read codes (e.g., one-dimensional barcodes or two-dimensional data matrix codes) that have been applied to, or directly marked on, discrete items during the manufacturing process. Manufacturers of goods ranging from automotive parts, pharmaceutical items, aircraft components, and medical devices are increasingly using direct part mark (DPM) identification to ensure that the appropriate manufacturing processes are performed in the correct sequence and on the right parts. In addition, DPM is used to track parts from the beginning of their life to the end, and is also used in supply chain management and repair.

Cognex also offers applications in the automatic identification market outside of the manufacturing sector, such as using ID products in logistics automation for package sorting and distribution. As shipping volumes grow, more distribution centers are choosing to upgrade their traditional laser-based scanners to image-based barcode readers,

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which will cost-effectively increase package sorter efficiency and throughput by improving read rates. Cognex offers the DataMan^® product line of ID readers that includes both hand-held and fixed-mount models.

Surface Inspection Systems

Surface inspection systems detect, identify, track, and report visual defects in any continuous material or process, such as metal, paper, nonwoven, plastic, and glass. The Smart View^® Web Inspection System is targeted at high-speed applications that require extremely accurate surface defect detection and identification. The SmartAdvisor^® Web Monitoring System is a process monitoring system that is used to track defects to their source and determine the root cause. These systems can be delivered as standalone or integrated solutions.

Research, Development, and Engineering

Cognex engages in research, development, and engineering (RD&E) to enhance our existing products and to develop new products and functionality to meet market opportunities. In addition to internal research and development efforts, we intend to continue our strategy of gaining access to new technology through strategic relationships and acquisitions where appropriate.

As of December 31, 2014, Cognex employed 319 professionals in RD&E, many of whom are software developers. Cognex’s RD&E expenses totaled $59,920,000 in 2014, $48,087,000 in 2013, and $41,549,000 in 2012, or approximately 12%, 14%, and 13% of revenue, respectively. We believe that a continued commitment to RD&E activities is essential in order to maintain or achieve product leadership with our existing products and to provide innovative new product offerings. In addition, we consider our ability to accelerate time-to-market for new products to be critical to our revenue growth. Therefore, we expect to continue to make significant RD&E investments in the future. At any point in time, we have numerous research and development projects underway. Although we target our RD&E spending to be between 10% and 15% of total revenue, this percentage is impacted by revenue levels.

Manufacturing and Order Fulfillment

Cognex’s MVSD products are manufactured utilizing a turnkey operation whereby the majority of component procurement, system assembly, and initial testing are performed by third-party contract manufacturers. Cognex’s primary contract manufacturer is located in Indonesia. The contract manufacturers use specified components and assembly/test documentation created and controlled by Cognex. After the completion of initial testing, a fully-assembled product from the contract manufacturers is routed to our facility in Cork, Ireland or Natick, Massachusetts, USA, where trained Cognex personnel load the software onto the product and perform quality control procedures. Finished product for customers in the Americas is then shipped from our Natick, Massachusetts facility, while finished product for customers outside of the Americas is shipped from our Cork, Ireland facility.

Cognex’s SISD products are manufactured and shipped from our Hayward, California facility. The manufacturing process at the Hayward facility consists of component procurement, system assembly, software loading, quality control, and shipment of product to customers worldwide.

Sales Channels and Support Services

Cognex sells its MVSD products through a worldwide direct sales force that focuses on the development of strategic accounts that generate or are expected to generate significant sales volume, as well as through a global network of integration and distribution partners. Our integration partners are experts in vision and complementary technologies that can provide turnkey solutions for complex automation projects using vision, and our distribution partners provide sales and local support to help Cognex reach the many prospects for our products in factories around the world. Cognex’s SISD products are primarily sold through a worldwide direct sales force since there are fewer customers in a more concentrated group of industries.

As of December 31, 2014, Cognex’s sales force consisted of 467 professionals, and our partner network consisted of approximately 522 active integrators and authorized distributors. Sales engineers call directly on targeted accounts and manage the activities of our partners within their territories in order to implement the most advantageous sales model for our products. The majority of our sales force holds engineering or science degrees. Cognex has sales and support personnel located throughout the Americas, Europe, and Asia. In recent years, the Company has expanded its sales force in emerging markets, such as China, India, Brazil, and Eastern Europe, where we believe many manufacturers can benefit from incorporating machine vision into their production processes. In 2010, the Company established a Wholly Foreign Owned Enterprise (WFOE) in Shanghai, China, and we began to sell to our Chinese customers through this new entity in 2011. The WFOE is able to accept payment from Chinese customers in Yuan, also known as Renminbi, which we believe allows us to reach more of the potential market for machine vision throughout Mainland China.

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Sales to customers based outside of the United States represented approximately 70% of total revenue in 2014 compared to approximately 67% of total revenue in 2013. In 2014, approximately 42% of our total revenue came from customers based in Europe, 9% from customers based in Japan, and 19% from customers based in other regions outside the United States. Sales to customers based in Europe are predominantly denominated in Euros, sales to customers based in Japan are predominantly denominated in Yen, and sales to customers based in other regions are denominated in U.S. Dollars and Chinese Yuan for sales within Mainland China. Financial information about geographic areas may be found inNote 19 to the Consolidated Financial Statements, appearing in Part II - Item 8 of this Annual Report on Form 10-K.

Cognex’s MVSD service offerings include maintenance and support, training, and consulting services. Maintenance and support programs include hardware support programs that entitle customers to have failed products repaired, as well as software support programs that provide customers with application support and software updates on the latest software releases. Application support is provided by technical support personnel located at Cognex regional offices, as well as by field service engineers that provide support at the customer’s production site. Training services include a variety of product courses that are available at Cognex’s offices worldwide, at customer facilities, and on computer-based tutorials, video, and the internet. Cognex provides consulting services that range from a specific area of functionality to a completely integrated vision application or installed ID application.

Cognex’s SISD service offerings include maintenance and support and training services similar to those provided by MVSD, as well as installation services. The installation services group supervises the physical installation of the hardware at the customer location, configures the software application to detect the customer’s defects, validates that the entire integrated system with the peripheral components is functioning according to the specifications, and performs operator training.

Intellectual Property

We rely on the technical expertise, creativity, and knowledge of our personnel, and therefore, we utilize patent, trademark, copyright, and trade secret protection to maintain our competitive position and protect our proprietary rights in our products and technology. While our intellectual property rights are important to our success, we believe that our business as a whole is not materially dependent on any particular patent, trademark, copyright, or other intellectual property right.

As of December 31, 2014, Cognex had been granted, or owned by assignment, 403 patents issued worldwide and had another 330 patent applications pending worldwide. Cognex has used, registered, or applied to register a number of trademark registrations in the United States and in other countries. Cognex’s trademark and servicemark portfolio includes various registered marks, including, among others, Cognex^®, VisionPro^®, In-Sight^®, Checker^®, DataMan^®, Smart View^®, and SmartAdvisor^®, as well as many common-law marks.

Compliance with Environmental Provisions

Cognex’s capital expenditures, earnings, and competitive position are not materially affected by compliance with federal, state, and local environmental provisions which have been enacted or adopted to regulate the distribution of materials into the environment.

Competition

The machine vision market is fragmented and Cognex’s competitors are typically other vendors of machine vision systems, controllers, and components; manufacturers of image processing systems, sensors, and components; and system integrators. In addition, in the semiconductor and electronics capital equipment market, and with respect to machine builders in the factory automation market, Cognex competes with the internal engineering departments of current or prospective customers. In the identification and logistics market, Cognex competes with manufacturers of automatic identification systems. Any of these competitors may have greater financial and other resources than Cognex. Although we consider Cognex to be one of the leading machine vision companies in the world, reliable estimates of the machine vision market and the number of competitors are not available.

Cognex’s ability to compete depends upon our ability to design, manufacture, and sell high-quality products, as well as our ability to develop new products and functionality that meet evolving customer requirements. The primary competitive factors affecting the choice of a machine vision or ID system include vendor reputation, product functionality and performance, ease of use, price, and post-sales support. The importance of each of these factors varies depending upon the specific customer’s needs.

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Backlog

As of December 31, 2014, backlog, which includes deferred revenue, totaled $62,113,000, compared to $49,677,000 as of December 31, 2013. Backlog reflects customer purchase orders for products scheduled for shipment primarily within 60 days at MVSD and six months at SISD. Although MVSD accepts orders from customers with requested shipment dates that are within 60 days, orders typically ship within one week of order placement. The level of backlog at any particular date is not necessarily indicative of future revenue. Delivery schedules may be extended and orders may be canceled at any time subject to certain cancellation penalties.

Employees

As of December 31, 2014, Cognex employed 1,322 persons, including 684 in sales, marketing, and service activities; 319 in research, development, and engineering; 150 in manufacturing and quality assurance; and 169 in information technology, finance, and administration. Of the Company’s 1,322 employees, 696 are based outside of the United States. None of our employees are represented by a labor union and we have experienced no work stoppages. We believe that our employee relations are good.

Available Information

Cognex maintains a website on the World Wide Web at www.cognex.com. We make available, free of charge, on our website in the “Company” section under the caption “Investor Information” followed by “Financial Information” and then “SEC FiIings,” our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, including exhibits, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, as soon as reasonably practicable after such reports are electronically filed with, or furnished to, the SEC. Cognex’s reports filed with, or furnished to, the SEC are also available at the SEC’s website at www.sec.gov. Information contained on our website is not a part of, or incorporated by reference into, this Annual Report on Form 10-K.

ITEM 1A: RISK FACTORS

The risks and uncertainties described below are not the only ones that we face. Additional risks and uncertainties that we are unaware of, or that we currently deem immaterial, also may become important factors that affect our company in the future. If any of these risks were to occur, our business, financial condition, or results of operations could be materially and adversely affected. This section includes or refers to certain forward-looking statements. We refer you to the explanation of the qualifications and limitations on such forward-looking statements, appearing under the heading "Forward-Looking Statements" in Part II - Item 7 of this Annual Report on Form 10-K.

The loss of a large customer could have an adverse effect on our business.

In 2014, revenue from a single customer accounted for 14% of total revenue. Customers of this size may divert management’s attention from other operational matters and pull resources from other areas of the business, resulting in potential loss of revenue from other customers. In addition, customers of this size may receive volume pricing discounts and a higher level of post-sale support, which may lower our gross margin percentage. Furthermore, we have extended credit terms to this customer, resulting in large expenditures for inventory months in advance of cash collection, as well as large accounts receivable balances denominated in U.S. Dollars on our Irish subsidiary’s Euro-denominated books that exposes us to foreign currency gains or losses while these receivables are outstanding.

In 2013 and 2012, no customer accounted for greater than 10% of total revenue. As a large portion of our sales are through resellers however, there may be end customers of our resellers that are large consumers of our products. Furthermore, there may be industry leaders that are able to exert purchasing power over their vendors' supply chains, particularly in the automotive and consumer electronics industries. Our expansion within the factory automation marketplace has reduced our reliance upon the revenue from any one customer. Nevertheless, the loss of, or significant curtailment of purchases by, any one or more of our larger customers could have a material adverse effect on our operating results.

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Global economic conditions may negatively impact our operating results.

Our revenue levels are impacted by global economic conditions, as we have a significant business presence in many countries throughout the world. In 2009, the credit market crisis and slowing global economies resulted in significantly lower demand for our products, as many of our customers experienced deterioration in their businesses, cash flow issues, difficulty obtaining financing, and declining business confidence. Although our business has recovered since that time, economic conditions are still unsettled in certain regions, resulting in a challenging environment to achieve our targeted rate of revenue growth. If global economic conditions remain unsettled or were to deteriorate, our revenue and our ability to generate operating profits could be materially adversely affected.

As a result, our business is subject to the following risks, among others:

• our customers may not have sufficient cash flow or access to financing to purchase our products,

• our customers may not pay us within agreed upon terms or may default on their payments altogether,

• our vendors may be unable to fulfill their delivery obligations to us in a timely manner,

• lower demand for our products may result in charges for excess and obsolete inventory if we are unable to sell inventory that is either already on hand or committed to purchase,

• lower cash flows may result in impairment charges for acquired intangible assets or goodwill,

• a decline in our stock price may make stock options a less attractive form of compensation and a less effective form of retention for our employees, and

• the trading price of our common stock may be volatile.

As of December 31, 2014, the Company had approximately $545 million in cash or debt securities that could be converted into cash. In addition, Cognex has no long-term debt and we do not anticipate needing debt financing in the near future. We believe that our strong cash position puts us in a relatively good position to weather another economic downturn. Nevertheless, our operating results have been materially adversely affected in the past, and could be materially adversely affected in the future, as a result of unfavorable economic conditions and reduced capital spending by manufacturers worldwide.

A downturn in the consumer electronics or automotive industries may adversely affect our business.

In 2014, the largest industries that we served in the factory automation market were the consumer electronics and automotive industries. Our business is impacted by the level of capital spending in these industries, as well as the product design cycles of our major customers in these industries. The market leaders in these industries are able to exert purchasing power over their vendors' supply chains, and our large customers in these industries may decide to purchase fewer products from Cognex or stop purchasing from Cognex altogether. As a result, our operating results could be materially and adversely affected by declining sales in these industries.

Our inability to penetrate new markets outside of the manufacturing sector may impede our revenue growth.

We are pursuing applications in the automatic identification market outside of the manufacturing sector, such as using ID products in logistics automation for package sorting and distribution. As shipping volumes grow, more distribution centers are choosing to upgrade their traditional laser-based scanners to image-based barcode readers, which will cost-effectively increase package sorter efficiency and throughput by improving read rates. Cognex has introduced image-based barcode readers in order to penetrate the ID logistics market and grow our ID Products business beyond the traditional manufacturing sector that we currently serve. Our growth plan is dependent upon successfully penetrating the ID logistics market and we are making significant investments in this area. Therefore, our failure to generate revenue in this new market in the amounts or within the time periods anticipated may have a material adverse impact on our revenue growth and operating profits.

Downturns in the semiconductor and electronics capital equipment market may adversely affect our business.

In 2014, approximately 6% of our revenue was derived from semiconductor and electronics capital equipment manufacturers. This concentration was as high as 61% in 2000 during its revenue peak. The semiconductor and electronics capital equipment industries are highly cyclical and have historically experienced periodic downturns, which have often had a severe effect on demand for production equipment that incorporates our products. While we have been successful in diversifying our business beyond OEM customers who serve the semiconductor and electronics industries, our business is still impacted by capital expenditures in these industries, which, in turn, are dependent upon the market demand for products containing computer chips. As a result, our operating results in the foreseeable future could be significantly and adversely affected by declining sales in either of these industries. Furthermore, the competitive

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landscape in this market has changed in recent years, with price and the flexibility of purchasing hardware from other vendors becoming more important factors in the purchasing decisions of these manufacturers. In response to this market change, we have introduced software-only products. Although these products have high gross margins, the average selling price of these offerings is significantly lower than for a complete vision system, and therefore, we expect this trend to have a negative impact on our revenue in this market. In addition, a decline in sales in the semiconductor and electronics capital equipment market, where many of these software-only products are sold, may also have a negative impact on our MVSD gross margins.

Economic, political, and other risks associated with international sales and operations could adversely affect our business and operating results.

In 2014, approximately 70% of our revenue was derived from customers located outside of the United States. We anticipate that international sales will continue to account for a significant portion of our revenue. In addition, certain of our products are assembled by third-party contract manufacturers, primarily located in Indonesia. We intend to continue to expand our sales and operations outside of the United States and expand our presence in international emerging markets, such as our expansion into China, India, Brazil, and Eastern Europe. In 2010, we established a Wholly Foreign Owned Enterprise (WFOE) in Shanghai, China and we began to sell to our Chinese customers through this new entity in 2011. This new entity has required and will continue to require significant management attention and financial resources. As a result, our business is subject to the risks inherent in international sales and operations, including, among other things:

• various regulatory and statutory requirements,

• difficulties in injecting and repatriating cash,

• export and import restrictions,

• transportation delays,

• employment regulations and local labor conditions,

• difficulties in staffing and managing foreign sales operations,

• instability in economic or political conditions,

• difficulties protecting intellectual property,

• business systems connectivity issues, and

• potentially adverse tax consequences.

Any of these factors could have a material adverse effect on our operating results.

Fluctuations in foreign currency exchange rates and the use of derivative instruments to hedge these exposures could adversely affect our reported results, liquidity, and competitive position.

We face exposure to foreign currency exchange rate fluctuations, as a significant portion of our revenues, expenses, assets, and liabilities are denominated in currencies other than the functional currencies of our subsidiaries or the reporting currency of our company, which is the U.S. Dollar. In certain instances, we utilize forward contracts to hedge against foreign currency fluctuations. These contracts are used to minimize foreign currency gains or losses, as the gains or losses on the derivative are intended to offset the losses or gains on the underlying exposure. We do not engage in foreign currency speculation. If the counterparty to any of our hedging arrangements experiences financial difficulties, or is otherwise unable to honor the terms of the contract, we may experience material losses.

Late in 2013, we expanded our foreign currency hedging program to include foreign currency cash flow hedges that protect our budgeted revenues and expenses against foreign currency exchange rate changes compared to our budgeted rates. These derivatives are designated for hedge accounting, and therefore, the effective portion of the forward contract's gain or loss is reported in shareholders' equity as other comprehensive income (loss) and is reclassified into current operations as the hedged transaction impacts current operations. Should these hedges fail to qualify for hedge accounting or be ineffective, the gain or loss on the forward contract would be reported in current operations immediately as opposed to when the hedged transaction impacts current operations. This may result in material foreign currency gains or losses.

The success of our foreign currency risk management program depends upon forecasts of transaction activity denominated in various currencies. To the extent that these forecasts are overstated or understated during periods of currency volatility, we could experience unanticipated foreign currency gains or losses that could have a material impact

8

on our results of operations. Furthermore, our failure to identify new exposures and hedge them in an effective manner may result in material foreign currency gains or losses.

A significant portion of our revenues and expenses are denominated in the Euro, the Japanese Yen, and the Chinese Yuan, also known as Renminbi. Our predominant currency of sale is the U.S. Dollar in the Americas, the Euro in Europe, the Yen in Japan, the Chinese Yuan in Mainland China, and the U.S. Dollar in other regions. We estimate that approximately 41% of our sales in 2014 were invoiced in currencies other than the U.S. Dollar, and we expect sales denominated in foreign currencies to continue to represent a significant portion of our total revenue. While we also have expenses denominated in these same foreign currencies, the impact on revenues has historically been, and is expected to continue to be, greater than the offsetting impact on expenses. Therefore, in times when the U.S. Dollar strengthens in relation to these foreign currencies, we would expect to report a net decrease in operating income. Conversely, in times when the U.S. Dollar weakens in relation to these foreign currencies, we would expect to report a net increase in operating income. Thus, changes in the relative strength of the U.S. Dollar may have a material impact on our operating results.

Our business could suffer if we lose the services of, or fail to attract, key personnel.

We are highly dependent upon the management and leadership of Robert J. Shillman, our Chairman of the Board of Directors and Chief Culture Officer, and Robert J. Willett, our President and Chief Executive Officer, as well as other members of our senior management team. Although we have many experienced and qualified senior managers, the loss of key personnel could have a material adverse effect on our company. Our continued growth and success also depends upon our ability to attract and retain skilled employees and on the ability of our officers and key employees to effectively manage the growth of our business through the implementation of appropriate management information systems and internal controls.

We have historically used stock options as a key component of our employee compensation program in order to align employee interests with the interests of our shareholders, provide competitive compensation and benefits packages, and encourage employee retention. We are limited as to the number of options that we may grant under our stock option plans. Accordingly, we may find it difficult to attract, retain, and motivate employees, and any such difficulties could materially adversely affect our business.

The failure of a key supplier to deliver quality product in a timely manner or our inability to obtain components for our products could adversely affect our operating results.

A significant portion of our MVSD product is manufactured by a third-party contractor, located in Indonesia. This contractor has agreed to provide Cognex with termination notification periods and last-time-buy rights, if and when that may be applicable. We rely upon this contractor to provide quality product and meet delivery schedules. We engage in extensive product quality programs and processes, including actively monitoring the performance of our third-party manufacturers; however, we may not detect all product quality issues through these programs and processes.

Certain components are presently available only from a single source. Certain key electronic components that are purchased from strategic suppliers, such as processors or imagers, are fundamental to the design of Cognex products. A disruption in the supply of these key components, such as a last-time-buy announcement, natural disaster, financial bankruptcy, or other event, may require us to purchase a significant amount of inventory at unfavorable prices resulting in lower gross margins and higher risk of carrying excess or obsolete inventory. Furthermore, we are in the process of complying with the requirements of the Dodd-Frank Wall Street Reform and Consumer Protection Act, which requires companies to inquire into the origin of conflict minerals in their supply chains. We are working with our supply chain partners to take reasonable steps to assure conflict minerals are not sourced by Cognex or our supply chain partners. These steps may include purchasing supply from alternative sources. If we are unable to secure adequate supply from alternative sources, we may have to redesign our products, which may lead to a delay in manufacturing and a possible loss of sales. Although we are taking certain actions to mitigate supply risk, an interruption in, termination of, or material change in the purchase terms of any key components could have a material adverse effect on our operating results.

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Our failure to effectively manage product transitions or accurately forecast customer demand could result in excess or obsolete inventory and resulting charges.

Because the market for our products is characterized by rapid technological advances, we frequently introduce new products with improved ease-of-use, improved hardware performance, additional software features and functionality, or lower cost that may replace existing products. Among the risks associated with the introduction of new products are difficulty predicting customer demand and effectively managing inventory levels to ensure adequate supply of the new product and avoid excess supply of the legacy product. In addition, we may strategically enter into non-cancelable commitments with vendors to purchase materials for our products in advance of demand in order to take advantage of favorable pricing or address concerns about the availability of future supplies or long lead times. Our failure to effectively manage product transitions or accurately forecast customer demand, in terms of both volume and configuration, has led to, and may again in the future lead to, an increased risk of excess or obsolete inventory and resulting charges.

Our products may contain design or manufacturing defects, which could result in reduced demand, significant delays, or substantial costs.

If flaws in either the design or manufacture of our products were to occur, we could experience a rate of failure in our products that could result in significant delays in shipment and material repair or replacement costs. Our release-to-market process may not be robust enough to detect significant design flaws or software bugs. While we engage in extensive product quality programs and processes, including actively monitoring and evaluating the quality of our component suppliers and contract manufacturers, these actions may not be sufficient to avoid a product failure rate that results in:

• substantial delays in shipment,

• significant repair or replacement costs,

• product liability claims or lawsuits, or

• potential damage to our reputation.

Any of these results could have a material adverse effect on our operating results.

Our failure to introduce new products in a successful and timely manner could result in the loss of our market share and a decrease in our revenues and profits.

The market for our products is characterized by rapidly changing technology. Accordingly, we believe that our future success will depend upon our ability to accelerate time-to-market for new products with improved functionality, ease-of-use, performance, or price. There can be no assurance that we will be able to introduce new products in accordance with scheduled release dates or that new products will achieve market acceptance. Our ability to keep pace with the rapid rate of technological change in the high-technology marketplace could have a material adverse effect on our operating results.

Product development is often a complex, time-consuming, and costly process involving significant investment in research and development with no assurance of return on investment. Our strong balance sheet allows us to continue to make significant investments in research, development, and marketing for new products and technologies. Research is by its nature speculative and the ultimate commercial success of a product depends upon various factors, many of which are not under our control. We may not achieve significant revenue from new product investments for a number of years, if at all. Moreover, new products may not generate the operating margins that we have experienced historically.

Our failure to properly manage the distribution of our products and services could result in the loss of revenues and profits.

We utilize a direct sales force, as well as a network of integration and distribution partners, to sell our products and services. Successfully managing the interaction of our direct and indirect sales channels to reach various potential customers for our products and services is a complex process. In addition, our reliance upon indirect selling methods may reduce visibility to demand and pricing issues. Each sales channel has distinct risks and costs, and therefore, our failure to implement the most advantageous balance in the sales model for our products and services could adversely affect our revenue and profitability.

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If we fail to successfully protect our intellectual property, our competitive position and operating results could suffer.

We rely on our proprietary software technology and hardware designs, as well as the technical expertise, creativity, and knowledge of our personnel to maintain our position as a leading provider of machine vision products. Software piracy and reverse engineering, specifically from companies in Russia and Asia, may result in counterfeit products that are misrepresented in the market as Cognex products. Although we use a variety of methods to protect our intellectual property, we rely most heavily on patent, trademark, copyright, and trade secret protection, as well as non-disclosure agreements with customers, suppliers, employees, and consultants. We also attempt to protect our intellectual property by restricting access to our proprietary information by a combination of technical and internal security measures. These measures, however, may not be adequate to:

• protect our proprietary technology,

• protect our patents from challenge, invalidation, or circumvention, or

• ensure that our intellectual property will provide us with competitive advantages.

Any of these adverse circumstances could have a material adverse effect on our operating results.

Our Company may be subject to time-consuming and costly litigation.

From time to time, we may be subject to various claims and lawsuits by competitors, customers, or other parties arising in the ordinary course of business, including lawsuits charging patent infringement, or claims and lawsuits instituted by us to protect our intellectual property or for other reasons. We are currently a party to actions that are fully described in the section captioned “Legal Proceedings,” appearing in Part I - Item 3 of this Annual Report on Form 10-K. These matters can be time-consuming, divert management’s attention and resources, and cause us to incur significant expenses. Furthermore, the results of any of these actions may have a material adverse effect on our operating results.

Increased competition may result in decreased demand or prices for our products and services.

The machine vision market is fragmented and Cognex’s competitors are typically other vendors of machine vision systems, controllers, and components; manufacturers of image processing systems, sensors, and components; and system integrators. Any of these competitors may have greater financial and other resources than we do. Ease-of-use and product price are significant competitive factors in the factory automation marketplace. We may not be able to compete successfully in the future and our investments in research and development, sales and marketing, and support activities may be insufficient to enable us to maintain our competitive advantage. In addition, competitive pressures could lead to price erosion that could have a material adverse effect on our gross margins and operating results. We refer you to the section captioned “Competition,” appearing in Part I - Item 1 of this Annual Report on Form 10-K for further information regarding the competition that we face.

Implementation of our acquisition strategy may not be successful, which could affect our ability to increase our revenue or profitability and result in the impairment of acquired intangible assets.

We have in the past acquired, and will in the future consider the acquisition of, businesses and technologies in the machine vision industry. Our business may be negatively impacted by risks related to those acquisitions. These risks include, among others:

• the inability to find or close attractive acquisition opportunities,

• the diversion of management’s attention from other operational matters,

• the inability to realize expected synergies resulting from the acquisition,

• the failure to retain key customers or employees, and

• the impairment of acquired intangible assets resulting from lower-than-expected cash flows from the acquired assets.

Acquisitions are inherently risky and the inability to effectively manage these risks could have a material adverse effect on our operating results.

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We are at risk for impairment charges with respect to our investments or for acquired intangible assets or goodwill, which could have a material adverse effect on our results of operations.

As of December 31, 2014, we had $491 million of investments, of which $489 million consisted of debt securities. These debt securities are reported at fair value, with unrealized gains and losses, net of tax, recorded in shareholders’ equity as other comprehensive income (loss) since these securities are designated as available-for-sale securities.As of December 31, 2014, our portfolio of debt securities had a net unrealized loss of $102,000. Included in this net loss, were gross unrealized losses totaling $680,000, of which $664,000 were in a loss position for less than twelve months and $16,000 were in a loss position for greater than twelve months. As of December 31, 2014, these unrealized losses were determined to be temporary. However, if conditions change and future unrealized losses were determined to be other-than-temporary, we would be required to record an impairment charge.

Management monitors the carrying value of its investments in debt securities compared to their fair value to determine whether an other-than-temporary impairment has occurred. In considering whether a decline in fair value is other-than-temporary, we consider many factors, both qualitative and quantitative. Management considers the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our ability and intent to hold the security to expected recovery of value, and other meaningful information. If a decline in fair value is determined to be other-than-temporary, an impairment charge would be recorded in current operations to reduce the carrying value of the investment to its fair value. Should the fair value of investments decline in future periods below their carrying value, management will need to determine whether this decline is other-than-temporary and future impairment charges may be required.

As of December 31, 2014, we had $11 million in acquired intangible assets, of which $6 million represented acquired distribution networks. These assets are susceptible to changes in fair value due to a decrease in the historical or projected cash flows from the use of the asset, which may be negatively impacted by economic trends. A decline in the cash flows generated by these assets, such as the revenue we are able to generate through our distribution network, may result in future impairment charges.

As of December 31, 2014, we had $82 million in acquired goodwill, $78 million of which is assigned to our Modular Vision Systems Division and $4 million of which is assigned to our Surface Inspection Systems Division. The fair value of goodwill is susceptible to changes in the fair value of the reporting segments in which the goodwill resides, and therefore, a decline in our market capitalization or cash flows relative to the net book value of our segments may result in future impairment charges.

If we determine that any of these investments, acquired intangible assets, or goodwill is impaired, we would be required to take a related charge to earnings that could have a material adverse effect on our results of operations.

We may have additional tax liabilities, which could adversely affect our operating results and financial condition.

We are subject to income taxes in the United States, as well as numerous foreign jurisdictions. Significant judgment is required in determining our worldwide provision for income taxes. In the ordinary course of business, there are many transactions and calculations where the ultimate tax determination is uncertain. We are regularly under audit by tax authorities. Although we believe our tax positions are reasonable, the final determination of tax audits and any related litigation could be materially different than that which is reflected in our financial statements and could have a material adverse effect on our income tax provision, net income, or cash flows in the period in which the determination is made.

Information security breaches or business system disruptions may adversely affect our business.

We rely on our information technology infrastructure and management information systems to effectively run our business. We may be subject to information security breaches caused by illegal hacking, computer viruses, or acts of vandalism or terrorism. Our security measures or those of our third-party service providers may not detect or prevent such breaches. Any such compromise to our information security could result in a misappropriation of our cash or other assets, an interruption in our operations, the unauthorized publication of our confidential business or proprietary information, the unauthorized release of customer, vendor, or employee data, the violation of privacy or other laws, and the exposure to litigation, any of which could harm our business and operating results. Any disruption occurring with our management information systems may cause significant business disruption, including our ability to provide quotes, process orders, ship products, invoice customers, process payments, and otherwise run our business. Any disruption occurring with these systems may have a material adverse effect on our operating results.

ITEM 1B: UNRESOLVED STAFF COMMENTS

There are no unresolved SEC staff comments as of the date of this report.

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ITEM 2: PROPERTIES

In 1994, Cognex purchased and renovated a 100,000 square-foot building located in Natick, Massachusetts that serves as our corporate headquarters. In 1997, Cognex completed construction of a 50,000 square-foot addition to this building. In 2009, the Company renovated space in this building to establish a distribution center for MVSD customers in the Americas. In 2014, the Company moved its distribution center for the Americas to a building adjacent to our corporate headquarters.

In 1995, Cognex purchased an 83,000 square-foot office building adjacent to our corporate headquarters. This building is currently occupied by tenants who have lease agreements that expire at various dates through 2021.

In 1997, Cognex purchased a three and one-half acre parcel of land adjacent to our corporate headquarters. This land is being held for future expansion.

In 2007, Cognex purchased a 19,000 square-foot building adjacent to our corporate headquarters. This building is partially occupied by a tenant who has a lease agreement that expires in 2017. In 2014, the Company moved its distribution center for MVSD customers in the Americas into a portion of this space. The building is currently under renovation to expand the distribution center.

On December 29, 2014, Cognex purchased the 50,000 square foot building in Cork, Ireland where we had previously leased space for several years. This facility serves as the distribution center for MVSD customers outside of the Americas.

Cognex conducts certain of its operations in leased facilities. These lease agreements expire at various dates through 2023. Certain of these leases contain renewal options, retirement obligations, escalation clauses, rent holidays, and leasehold improvement incentives.

ITEM 3: LEGAL PROCEEDINGS

In March 2013, the Company filed a lawsuit against Microscan Systems, Inc. (“Microscan”) and Code Corporation in the United States District Court for the Southern District of New York alleging that Microscan’s Mobile Hawk handheld imager infringes U.S. Patent 7,874,487 owned by the Company (the “'487 patent”). The lawsuit sought to prohibit Code Corporation from manufacturing the product, and Microscan from selling and distributing the product. The Company also sought monetary damages resulting from the alleged infringement. Late in the day on April 30, 2014, the jury found that Microscan willfully infringed the ‘487 patent and awarded Cognex $2.6 million in damages. Following the verdict, Microscan filed motions requesting judgment as a matter of law on the issues of infringement, invalidity, and willfulness, as well as a motion to dismiss for lack of standing. The Company filed motions seeking treble damages (based on the finding of willfulness), attorneys’ fees as an exceptional case, and a permanent injunction against future infringement of the ‘487 patent and the import, manufacture and/or sale of Microscan’s Mobile Hawk product within the U.S. In June 2014, the court issued an order denying all of Microscan’s motions and the Company’s motion for treble damages, while granting the Company’s motion for permanent injunction (limited to enjoining future infringement of the ‘487 patent and the import, manufacture and/or sale of infringingversionsofMicroscan’s Mobile Hawk product within the U.S.) and the Company’s motion for attorneys’ fees, in part, pending a determination thereof following submission of supplemental briefs by both parties. In July 2014, Microscan filed a Notice of Appeal with the Federal Circuit appealing all orders, findings, and/or conclusions of the District Court that were adverse to Microscan. In August 2014, the Company filed a Notice of Appeal with the Federal Circuit appealing the order granting summary judgment that claims 23, 28, and 29 of the ’487 patent are invalid. Also in August 2014, the Federal Circuit consolidated Microscan’s appeal and the Company’s appeal. In November 2014, the Company filed an unopposed motion to dismiss the Company's appeal, and in December 2014, the Court of Appeals granted the Company's motion to dismiss the Company's appeal. In January 2015, Microscan submitted their appeal brief asserting that the damage award should be vacated, the infringement judgment should be reversed, and that the remaining '487 claims are invalid.

In August 2014, Microscan filed a lawsuit against the Company in the United States District Court for the Southern District of New York alleging that the Company’s DataMan^® 8500 handheld imager infringes U.S. Patent 6,352,204 (the “'204 patent”). The lawsuit sought to prohibit the Company from manufacturing, selling, and distributing the DataMan^® 8500 product. Microscan also sought monetary damages resulting from the alleged infringement. In September 2014, the Company filed an Answer to the Complaint denying all allegations and asserting in a counterclaim that the ’204 patent is invalid. In October 2014, the Company filed an Amended Answer further explaining its counterclaim of invalidity. Also in October 2014, Microscan filed an Amended Complaint alleging that the Company’s DataMan^® 7500 and DataMan^® 8600 also infringe the ’204 patent. The Company subsequently responded in October 2014 with its Answer to the Amended Complaint. In December 2014, a Markman hearing regarding the legal construction of the relevant patent claim terms was held. In January 2015, the Court issued an order construing such patent claim

13

terms, as the case continues to proceed. In early February 2015, the Company submitted summary judgment motions. Trial is scheduled to begin in April 2015. This matter is ongoing.

The Company cannot predict the outcome of the above-referenced pending matter and an adverse resolution of this lawsuit could have a material adverse effect on the Company’s financial position, liquidity, results of operations, and/or indemnification obligations. In addition, various other claims and legal proceedings generally incidental to the normal course of business are pending or threatened on behalf of or against the Company. While we cannot predict the outcome of these incidental matters, we believe that any liability arising from them will not have a material adverse effect on our financial position, liquidity, or results of operations.

ITEM 4: MINE SAFETY DISCLOSURES

Not applicable.

ITEM 4A: EXECUTIVE OFFICERS OF THE REGISTRANT

The following table sets forth the names, ages, and titles of Cognex’s executive officers as of December 31, 2014:

Name	Age	Title
Robert J. Shillman	68	Chairman of the Board of Directors and Chief Culture Officer
Robert J. Willett	47	President and Chief Executive Officer
Richard A. Morin	65	Executive Vice President of Finance and Administration and Chief Financial Officer

Executive officers are elected annually by the Board of Directors. There are no family relationships among the directors and executive officers of the Company.

Dr. Shillman, Mr. Willett, and Mr. Morin have been employed by Cognex for no less than the past five years.

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PART II

ITEM 5: MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS, AND ISSUER PURCHASES OF EQUITY SECURITIES

The Company’s common stock is traded on The NASDAQ Stock Market LLC, under the symbol CGNX. As of February 1, 2015, there were approximately 700 shareholders of record of the Company’s common stock. The Company believes the number of beneficial owners of the Company’s common stock on that date was substantially greater.

In July 2013, the Company’s Board of Directors declared a two-for-one stock split of the Company’s common stock, which was effected through a stock dividend distributed on September 16, 2013. All references made to share or per share amounts in the tables and narratives below have been restated to reflect the effect of this two-for-one stock split.

The high and low sales prices of the Company’s common stock as reported by the NASDAQ Stock Market for each quarter in 2014 and 2013 were as follows:

	First		Second		Third		Fourth
2014
High	$	40.14	$	39.67	$	45.80	$	42.49
Low	32.83		30.66		37.43		35.16
2013
High	$	21.76	$	23.24	$	32.60	$	38.60
Low	18.38		18.43		22.66		29.22

In December 2012, the Company's Board of Directors declared and paid a dividend of $0.055 per share that would typically have been declared in the first quarter of 2013 in conjunction with the 2012 earnings release. A special dividend of $0.50 per share was also declared and paid in December 2012 to replace expected quarterly dividend declarations for the next eight quarters, beginning in 2013. The additional $0.055 dividend and the $0.50 dividend were accelerated due to the anticipated increase in the federal tax on dividends paid after December 31, 2012. Due to these accelerated payments, no cash dividends were declared or paid in 2013 or 2014. Future dividends will be declared at the discretion of the Company's Board of Directors and will depend upon such factors as the Board deems relevant, including, among other things, the Company's ability to generate positive cash flow from operations.

In April 2008, the Company’s Board of Directors authorized the repurchase of up to $50,000,000 of the Company’s common stock, primarily as a means to reduce the dilutive effect of employee stock options. Stock repurchases under this program were completed in 2013. In November 2011, the Company’s Board of Directors authorized the repurchase of up to $80,000,000 of the Company’s common stock. Purchases under this 2011 program began in the third quarter of 2013 upon completion of the 2008 program. As of December 31, 2014, the Company had repurchased a total of 2,243,000 shares at a cost of $80,000,000 under this 2011 program, including 1,351,000 shares at a cost of $52,095,000 in 2014. Stock repurchases under this program are now complete. In April 2014, the Company's Board of Directors authorized the repurchase of an additional $50,000,000 of the Company's common stock. Purchases under this 2014 program began in the fourth quarter of 2014 upon completion of the 2011 program. In 2014, the Company repurchased a total of 183,000 shares at a cost of $7,578,000 under this 2014 program. The Company may repurchase shares under this program in future periods depending on a variety of factors, including, among other things, the impact of dilution from employee stock options, stock price, share availability, and cash requirements.

The following table sets forth information with respect to purchases by the Company of shares of its common stock during the periods indicated:

	Total Number of Shares Purchased	Average Price Paid per Share	Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
September 29 – October 26, 2014	—	—	—	$	66,952,000
October 27 – November 23, 2014	302,000	40.36	302,000	$	54,767,000
November 24 – December 31, 2014	300,000	41.14	300,000	$	42,422,000
Total	602,000	40.75	602,000	$	42,422,000

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Set forth below is a line graph comparing the annual percentage change in the cumulative total shareholder return on the Company’s common stock, based upon the market price of the Company’s common stock, with the total return on companies within the Nasdaq Composite Index and the Research Data Group, Inc. Nasdaq Lab Apparatus & Analytical, Optical, Measuring & Controlling Instrument (SIC 3820-3829 US Companies) Index (the “Nasdaq Lab Apparatus Index”). The performance graph assumes an investment of $100 in each of the Company and the two indices, and the reinvestment of any dividends. The historical information set forth below is not necessarily indicative of future performance. Data for the Nasdaq Composite Index and the Nasdaq Lab Apparatus Index was provided to the Company by Research Data Group, Inc.

*$100 invested on 12/31/2008 in stock or index, including reinvestment of dividends. Fiscal year ending December 31.
	12/09	12/10	12/11	12/12	12/13	12/14
Cognex Corporation	100.00	168.04	206.72	221.48	459.69	497.61
NASDAQ Composite	100.00	117.61	118.70	139.00	196.83	223.74
NASDAQ Stocks	100.00	126.83	131.40	151.59	195.61	208.30
(SIC 3820-3829 U.S. Companies) Lab Apparatus & Analyt,Opt, Measuring, and Controlling Instr

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ITEM 6:  SELECTED FINANCIAL DATA

	Year Ended December 31,
	2014		2013		2012		2011		2010
	(In thousands, except per share amounts)
Statement of Operations Data:
Revenue	$	486,270	$	353,886	$	324,279	$	321,914	$	290,691
Cost of revenue (1)	121,020		84,080		79,495		77,919		77,588
Gross margin	365,250		269,806		244,784		243,995		213,103
Research, development, and engineering expenses (1)	59,920		48,087		41,549		40,946		33,080
Selling, general, and administrative expenses (1)	161,667		135,351		119,828		117,694		104,235
Restructuring charges	—		—		—		—		75
Operating income	143,663		86,368		83,407		85,355		75,713
Nonoperating income	3,734		1,518		3,223		1,762		390
Income before income tax expense	147,397		87,886		86,630		87,117		76,103
Income tax expense	25,912		14,313		18,532		17,248		14,722
Net income	$	121,485	$	73,573	$	68,098	$	69,869	$	61,381
Net income per common and common-equivalent share (2):
Basic	$	1.40	$	0.85	$	0.79	$	0.83	$	0.77
Diluted	$	1.36	$	0.83	$	0.78	$	0.82	$	0.76
Weighted-average common and common-equivalent shares outstanding (2):
Basic	86,858		86,946		85,666		83,718		79,848
Diluted	89,071		88,901		87,280		85,524		80,594
Cash dividends per common share (2)	$	—	$	—	$	0.770	$	0.180	$	0.125
(1) Amounts include stock-based compensation expense, as follows:
Cost of revenue	$	1,204	$	924	$	742	$	628	$	278
Research, development, and engineering	3,832		2,585		2,149		2,268		1,020
Selling, general, and administrative	10,122		7,111		5,629		5,172		1,729
Total stock-based compensation expense	$	15,158	$	10,620	$	8,520	$	8,068	$	3,027
(2) Prior period results have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.
	December 31,
	2014		2013		2012		2011		2010
	(In thousands)
Balance Sheet Data:
Working capital	$	183,932	$	271,029	$	189,493	$	231,241	$	224,573
Total assets	821,734		709,699		627,605		611,881		533,104
Shareholders’ equity	736,437		643,912		572,285		552,980		473,311

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ITEM 7:  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

FORWARD-LOOKING STATEMENTS

Certain statements made in this report, as well as oral statements made by the Company from time to time, constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Readers can identify these forward-looking statements by our use of the words “expects,” “anticipates,” “estimates,” “believes,” “projects,” “intends,” “plans,” “will,” “may,” “shall,” “could,” “should,” and similar words and other statements of a similar sense. These statements are based upon our current estimates and expectations as to prospective events and circumstances, which may or may not be in our control and as to which there can be no firm assurances given. These forward-looking statements, which include statements regarding business and market trends, future financial performance, customer order rates, expected areas of growth, emerging markets, future product mix, research and development activities, investments, and strategic plans, involve known and unknown risks and uncertainties that could cause actual results to differ materially from those projected. Such risks and uncertainties include: (1) the loss of a large customer; (2) current and future conditions in the global economy; (3) the reliance on revenue from the consumer electronics or automotive industries; (4) the inability to penetrate new markets; (5) the cyclicality of the semiconductor and electronics industries; (6) the inability to achieve significant international revenue; (7) fluctuations in foreign currency exchange rates and the use of derivative instruments; (8) the inability to attract and retain skilled employees; (9) the reliance upon key suppliers to manufacture and deliver critical components for our products; (10) the failure to effectively manage product transitions or accurately forecast customer demand; (11) the inability to design and manufacture high-quality products; (12) the technological obsolescence of current products and the inability to develop new products; (13) the failure to properly manage the distribution of products and services; (14) the inability to protect our proprietary technology and intellectual property; (15) our involvement in time-consuming and costly litigation; (16) the impact of competitive pressures; (17) the challenges in integrating and achieving expected results from acquired businesses; (18) potential impairment charges with respect to our investments or for acquired intangible assets or goodwill; (19) exposure to additional tax liabilities; and (20) information security breaches or business system disruptions. The foregoing list should not be construed as exhaustive and we encourage readers to refer to the detailed discussion of risk factors included in Part I - Item 1A of this Annual Report on Form 10-K. The Company cautions readers not to place undue reliance upon any such forward-looking statements, which speak only as of the date made. The Company disclaims any obligation to subsequently revise forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date such statements are made.

EXECUTIVE OVERVIEW

Cognex Corporation is a leading worldwide provider of machine vision products that capture and analyze visual information in order to automate tasks, primarily in manufacturing processes, where vision is required. Our Modular Vision Systems Division (MVSD) specializes in machine vision systems and ID products that are used to automate the manufacture and tracking of discrete items, while our Surface Inspection Systems Division (SISD) specializes in machine vision systems that are used to inspect the surfaces of materials processed in a continuous fashion.

In addition to product revenue derived from the sale of machine vision systems, the Company also generates revenue by providing maintenance and support, training, consulting, and installation services to its customers. Our customers can be classified into three primary markets: factory automation, semiconductor and electronics capital equipment, and surface inspection.

• Factory automation customers, who are included in the Company’s MVSD segment, purchase Cognex vision products and incorporate them into their manufacturing processes. Virtually every manufacturer can achieve better quality and manufacturing efficiency by using machine vision, and therefore, this market includes a broad base of customers across a variety of industries, including consumer electronics, automotive, consumer products, food and beverage, medical devices, and pharmaceuticals. The factory automation market also includes customers who purchase Cognex vision products for use outside of the assembly process, such as using ID products in logistics automation for package sorting and distribution. Sales to factory automation customers represented approximately 82% of total revenue in 2014 compared to 80% of total revenue in 2013.

• Semiconductor and electronics capital equipment manufacturers, who are included in the Company’s MVSD segment, purchase Cognex vision products and integrate them into the automation equipment that they manufacture and then sell to their customers to either make semiconductor chips or assemble printed circuit boards. Demand from these capital equipment manufacturers has historically been highly cyclical, with periods of investment followed by downturn. Sales to

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semiconductor and electronics capital equipment manufacturers represented approximately 6% of total revenue in 2014 compared to 7% of total revenue in 2013.

• Surface inspection customers, who comprise the Company’s SISD segment, are manufacturers of materials processed in a continuous fashion, such as metals, paper, nonwoven, plastics, and glass. These customers need sophisticated machine vision to detect, classify, and analyze defects on the surfaces of those materials as they are being processed at high speeds. Surface inspection sales represented approximately 12% of total revenue in 2014 compared to 13% of total revenue in 2013.

Revenue for the year ended December 31, 2014 totaled $486,270,000, representing an increase of $132,384,000, or 37% over the prior year, driven by higher sales to factory automation customers, including revenue of approximately$70 million from a single customer. Gross margin was 75% of revenue in 2014 compared to 76% of revenue in 2013 due to a relatively lower gross margin on the revenue from this single customer, as well as higher new product introduction costs and inventory charges. Operating expenses increased by $38,149,000, or 21%, from the prior year due primarily to additional headcount to support the significantly higher level of business in 2014. Despite this higher spending level, operating income increased by $57,295,000, or 66%, from the prior year. Operating income was $143,663,000, or 30% of revenue, in 2014 compared to operating income of $86,368,000, or 24% of revenue, in 2013; net income was $121,485,000, or 25% of revenue, in 2014 compared to net income of $73,573,000, or 21% of revenue, in 2013; and net income per diluted share was $1.36 in 2014 compared to $0.83 in 2013.

The following table sets forth certain consolidated financial data as a percentage of revenue:

	Year ended December 31,
	2014		2013		2012
Revenue	100	%	100	%	100	%
Cost of revenue	25		24		25
Gross margin	75		76		75
Research, development, and engineering expenses	12		14		13
Selling, general, and administrative expenses	33		38		36
Operating income	30		24		26
Nonoperating income	—		1		1
Income before income tax expense	30		25		27
Income tax expense	5		4		6
Net income	25	%	21	%	21	%

RESULTS OF OPERATIONS

As foreign currency exchange rates are a factor in understanding period-to-period comparisons, we believe the presentation of results on a constant-currency basis in addition to reported results helps improve investors’ ability to understand our operating results and evaluate our performance in comparison to prior periods. We also use results on a constant-currency basis internally as one measure to evaluate our performance. Constant-currency information compares results between periods as if exchange rates had remained constant period-over-period. We generally refer to such amounts calculated on a constant-currency basis as excluding the impact of foreign currency exchange rate changes. Results on a constant-currency basis are not in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) and should be considered in addition to, and not as a substitute for, results prepared in accordance with U.S. GAAP.

Year Ended December 31, 2014 Compared to Year Ended December 31, 2013

Revenue

Revenue for the year ended December 31, 2014 increased by $132,384,000, or 37%, from the prior year. The Company recorded higher sales in all three markets it serves. Sales to factory automation customers increased by $115,519,000, or 41%; sales to semiconductor and electronics capital equipment customers increased by $3,279,000, or 14%; and sales to surface inspection customers increased by $13,586,000, or 29%.

Factory Automation Market

Sales to customers in the factory automation market represented 82% of total revenue in 2014 compared to 80% of total revenue in 2013. Sales to these customers increased by $115,519,000, or 41%, from the prior year. Foreign currency exchange rate changes did not have a material impact on total factory automation revenue, as the impact of a stronger Euro in 2014, on average for the full year, compared to the prior year was offset by the impact of a weaker

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Japanese Yen. Although the Euro was stronger, on average, for the full year 2014 compared to the full year 2013, the Euro weakened vs. the U.S. Dollar in the fourth quarter of 2014 and this trend is continuing into the first quarter of 2015 as of the date of this report. A weaker Euro and Japanese Yen vs. the U.S. Dollar results in lower reported U.S. Dollar revenue when the Company’s sales denominated in these currencies are translated into U.S. Dollars.

The Company recorded factory automation revenue from a single customer, both direct and indirect, of approximately $70,000,000 in 2014 compared to approximately $10,000,000 in 2013. Excluding revenue from this customer in both years, factory automation revenue increased by $55,519,000, or 20%, from the prior year. Geographically, this incremental revenue came primarily from the Americas, Greater China, and Europe.

Sales to factory automation customers decreased by $53,108,000, or 36%, in the fourth quarter of 2014 from the third quarter of 2014. However, excluding revenue from the single customer noted above, factory automation revenue increased by $8,625,000, or 11%, from the prior quarter.

Semiconductor and Electronics Capital Equipment Market

Sales to customers who make automation equipment for the semiconductor and electronics industries represented 6% of total revenue in 2014 compared to 7% of total revenue in 2013. Sales to these customers increased by $3,279,000, or 14%, from the prior year. Excluding the impact of foreign currency exchange rate changes, which primarily relate to the Japanese Yen, sales to semiconductor and electronics capital equipment customers increased by approximately $4,051,000, or 18%, from 2013.

Sales to semiconductor and electronics capital equipment customers decreased by $2,747,000, or 35%, in the fourth quarter of 2014 from the third quarter of 2014. The semiconductor and electronics capital equipment market has historically been highly cyclical and management has limited visibility regarding future order levels from these customers.

Surface Inspection Market

Sales to customers in the surface inspection market represented 12% of total revenue in 2014 compared to 13% of total revenue in 2013. Sales to these customers increased by $13,586,000, or 29%, from the prior year. Excluding the impact of foreign currency exchange rate changes, which primarily relate to the Japanese Yen, sales to surface inspection customers increased by approximately $14,322,000, or 31%, from 2013. Approximately $8,500,000 of this increase was due to the deferral of $4,250,000 of product revenue related to a new software release from 2013 to 2014 when final testing took place at customer sites.

The fourth quarter of 2014 was a record revenue quarter for surface inspection sales, which increased by $3,682,000, or 25%, from the third quarter of 2014. Due to the relatively large average order values at SISD, the revenue reported each quarter can vary significantly depending upon the timing of customer orders, system deliveries, and installations, as well as the impact of revenue deferrals.

Product Revenue

Product revenue increased by $124,280,000, or 38%, from the prior year. A higher volume of systems sold to MVSD customers, including the single factory automation customer noted above, accounted for $110,831,000 of the increase. The remaining increase of $13,449,000 came from higher SISD product revenue.

Service Revenue

Service revenue, which is derived from the sale of maintenance and support, training, consulting, and installation services, increased by $8,104,000, or 30%, from the prior year. Maintenance and support revenue from the single factory automation customer noted above in the form of field support at the customer’s production site beginning in the third quarter of 2014 accounted for the majority of this increase. Service revenue as a percentage of total revenue was 7% in 2014 compared to 8% in 2013. This percentage will fluctuate in future periods depending upon the level of on-site support services provided by the Company.

Gross Margin

Gross margin as a percentage of revenue was 75% in 2014 compared to 76% in 2013. This decrease was due to lower MVSD margins as described below.

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MVSD Margin

MVSD gross margin as a percentage of revenue was 78% in 2014 compared to 80% in 2013 due to lower product and service margins, as well as a greater percentage of MVSD revenue from the sale of services, which have lower margins than the sale of products. The lower product margin was due to a relatively lower product margin on the single-customer revenue arrangement noted in “Revenue,” as well as higher new product introduction costs and higher inventory charges recorded in 2014 than in the prior year. These product margin decreases were partially offset by the favorable impact of material cost reductions and volume purchasing, as well as manufacturing efficiencies achieved from higher revenue levels as fixed manufacturing costs were spread over a larger revenue base. The lower service margin was due to the on-site support services provided as part of the single-customer revenue arrangement noted in “Revenue.” These services were provided at a relatively lower service margin than the Company’s other service offerings.

SISD Margin

SISD gross margin as a percentage of revenue was 55% in 2014 compared to 54% in 2013. This increase was due to a higher product margin and a greater percentage of SISD revenue from the sale of products, which have higher margins than the sale of services, partially offset by a lower service margin. The higher product margin was the result of material cost reductions on a new product release, while the lower service margin was due to higher installation costs to ensure this new product was operating properly in field conditions.

Product Margin

Product gross margin as a percentage of revenue was 78% in both 2014 and 2013. A lower MVSD product margin was offset by a higher SISD product margin, both as described above.

Service Margin

Service gross margin as a percentage of revenue was 44% in 2014 compared to 55% in 2013. This decrease was primarily due to a lower MVSD service margin, as described above.

Operating Expenses

Research, Development, and Engineering Expenses

Research, development, and engineering (RD&E) expenses in 2014 increased by $11,833,000, or 25%, from the prior year. MVSD RD&E expenses increased by $11,468,000, or 26%, while SISD RD&E expenses increased by $365,000, or 9%.

The table below (in thousands) details the $11,468,000 net increase in MVSD RD&E in 2014:

MVSD RD&E balance in 2013	$	43,973
Personnel-related costs (recurring nature)	3,256
Recruiting and other non-recurring personnel-related costs	1,420
Engineering prototypes	1,283
Company bonus and other employee incentive programs	1,206
Stock-based compensation expense	1,205
Travel costs	716
Outsourced engineering costs	443
Other	1,939
MVSD RD&E balance in 2014	$	55,441

The increase in MVSD RD&E expenses was due to higher personnel-related costs, such as salaries and fringe benefits, resulting from headcount additions and modest salary increases granted early in 2014. Headcount was added to support the significantly higher level of business in 2014 and these costs are expected to continue in future periods. Recruiting and other non-recurring personnel-related costs, as well as travel costs, also increased as a result of the additional headcount and higher business level. Company bonus expense increased due to the additional headcount and the Company incurred higher expenses related to other employee incentive programs, including a $1,000 bonus given to every full-time employee in celebration of the Company’s one-millionth shipment. In addition, the Company incurred higher spending on materials for engineering prototypes, as well as higher outsourced engineering costs in 2014. Stock-based compensation expense increased due to a higher valuation of stock options granted early in 2014.

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The increase in SISD RD&E expenses was primarily due to company bonus recorded in 2014 ($229,000), while the division did not meet its bonus metrics in 2013.

RD&E expenses as a percentage of revenue were 12% in 2014 compared to 14% in 2013. We believe that a continued commitment to RD&E activities is essential in order to maintain or achieve product leadership with our existing products and to provide innovative new product offerings. In addition, we consider our ability to accelerate time-to-market for new products to be critical to our revenue growth. Therefore, we expect to continue to make significant RD&E investments in the future. Although we target our RD&E spending to be between 10% and 15% of total revenue, this percentage is impacted by revenue levels.

Selling, General, and Administrative Expenses

Selling, general, and administrative (SG&A) expenses in 2014 increased by $26,316,000, or 19%, from the prior year. MVSD SG&A expenses increased by $21,943,000, or 20%, and SISD SG&A expenses increased by $1,086,000, or 9%. Corporate expenses that are not allocated to either division increased by $3,287,000, or 23%.

The table below (in thousands) details the $21,943,000 net increase in MVSD SG&A in 2014:

MVSD SG&A balance in 2013	$	108,497
Personnel-related costs (recurring nature)	11,535
Sales commissions	2,307
Sales demonstration equipment	1,936
Marketing activities	1,463
Stock-based compensation expense	1,411
Company bonus and other employee incentive programs	1,125
Recruiting and other non-recurring personnel-related costs	751
Other	1,415
MVSD SG&A balance in 2014	$	130,440

The increase in MVSD SG&A expenses was due to headcount additions, resulting in higher personnel-related costs, such as salaries, fringe benefits, sales commissions, and travel expenses, as well as modest salary increases granted early in 2014. Headcount was added to support the significantly higher level of business in 2014 and these costs are expected to continue in future periods. Sales commissions also increased as a result of the higher business level, as did marketing activities. Stock-based compensation expense increased due to a higher valuation of stock options granted early in 2014. Company bonus expense increased due to the additional headcount and the Company incurred higher expenses related to other employee incentive programs, including a $1,000 bonus given to every full-time employee in celebration of the Company’s one-millionth shipment. Recruiting and other non-recurring personnel-related costs, as well as sales demonstration equipment, also increased as a result of the additional headcount and higher business level.

The increase in SISD SG&A expenses was primarily due to company bonus recorded in 2014 ($472,000), while the division did not meet its bonus metrics in 2013, in addition to higher stock-based compensation expense ($237,000).

The increase in corporate expenses was primarily due to higher stock-based compensation expense ($1,343,000), higher company bonus expense ($648,000), and higher legal fees related to patent-infringement actions ($1,156,000- refer to Note 10 to the Consolidated Financial Statements in Part II - Item 8 of this Annual Report on Form 10-K).

Nonoperating Income (Expense)

The Company recorded foreign currency gains of $861,000 in 2014 compared to foreign currency losses of $646,000 in 2013. The foreign currency gains and losses in each period resulted primarily from the revaluation and settlement of accounts receivable, accounts payable, and intercompany balances that are reported in one currency and collected in another. As of December 31, 2014, the Company had collected the vast majority of the U.S. Dollar-denominated accounts receivable on the books of its Irish subsidiary, for which the functional currency is the Euro, from the single customer noted in “Revenue.”

Investment income increased by $552,000, or 21%, from the prior year. This increase was primarily due to investment losses of $702,000 that were recorded in 2013. Excluding these losses, investment income decreased due to lower returns, partially offset by a higher investment balance.

The Company recorded other expense, net of other income, of $283,000 in 2014 and $440,000 in 2013. The Company recorded $354,000 of other income in 2013 due to the expiration of the statutes of limitations relating to tax holidays,

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during which time the Company collected value-added taxes from customers that were not required to be remitted to the government authority. Other income (expense) also includes rental income, net of associated expenses, from leasing buildings adjacent to the Company’s corporate headquarters. These buildings were largely unoccupied during 2013; however, late in 2013, a new tenant began to occupy a significant portion of the space in one of the buildings, which resulted in higher rental income in 2014.

Income Tax Expense

The Company’s effective tax rate was 18% of the Company’s pretax income in 2014 compared to 16% in 2013.

The effective tax rate for 2014 included the impact of the following discrete events: (1) a decrease in tax expense of $674,000 from the final true-up of the prior year's tax accrual upon filing the actual returns, (2) a decrease in tax expense of $217,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (3) a decrease in tax expense of $553,000, which includes $296,000 for the release of certain tax reserves, related to the closing of the Internal Revenue Service audit of the Company for tax years 2010 and 2011, and (4) a decrease in tax expense, net of reserves, of $757,000 from the retroactive application of the 2014 research and development tax credit. The Tax Increase Prevention Act of 2014 was passed by Congress in December 2014 and the provisions under this act are to be applied retroactively to January 1, 2014.

The effective tax rate for 2013 included the impact of the following discrete events: (1) a decrease in tax expense of $1,790,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $267,000 from the final true-up of the prior year's tax accrual upon filing the actual tax returns, and (3) a decrease in tax expense of $555,000 from the retroactive application of the 2012 research and development credit. The American Taxpayer Relief Act of 2012 was passed by Congress and signed into law on January 1, 2013, and as a result, the reduction to income tax expense was recorded as a discrete event in the first quarter of 2013.

Excluding the impact of these discrete events, the Company's effective tax rate was 19% of the Company's pretax income in both 2014 and 2013.

RESULTS OF OPERATIONS

Year Ended December 31, 2013 Compared to Year Ended December 31, 2012

Revenue

Revenue for the year ended December 31, 2013 increased by $29,607,000, or 9%, from the prior year. This increase was due to a $37,836,000, or 16%, increase in sales to factory automation customers, partially offset by a $3,881,000, or 13%, decrease in sales to semiconductor and electronics capital equipment customers and a $4,348,000, or 9%, decrease in sales to surface inspection customers.

Factory Automation Market

Sales to customers in the factory automation market represented 80% of total revenue in 2013 compared to 75% of total revenue in 2012. Sales to these customers increased by $37,836,000, or 16%, from the prior year. A weaker Japanese Yen in 2013 compared to the prior year had a negative impact on reported factory automation revenue, as sales denominated in Yen were translated to U.S. Dollars at a lower rate. This was partially offset by the positive impact of a stronger Euro during the same periods. Excluding the impact of foreign currency exchange rate changes, which decreased factory automation revenue by $1,584,000, sales to factory automation customers increased by $39,420,000, or 16%, from 2012.

Geographically, increases from the prior year in factory automation revenue were noted across all major regions except for Japan. However, excluding the impact of foreign currency exchange rate changes, revenue in Japan also increased from the prior year. Revenue in Japan had declined in both 2011 and 2012 after the natural disasters that hit this region early in 2011. The largest percentage increases were noted in Asia, particularly in China where the Company has made significant investments in its sales and support infrastructure, while the largest dollar increases were noted in the Americas where sales of the Company's ID Products were strong.

Semiconductor and Electronics Capital Equipment Market

Sales to customers who make automation equipment for the semiconductor and electronics industries represented 7% of total revenue in 2013 compared to 9% of total revenue in 2012. Sales to these customers decreased by $3,881,000, or 13%, from the prior year. Excluding the impact of foreign currency exchange rate changes, which primarily relate to the Japanese Yen, sales to semiconductor and electronics capital equipment customers decreased by $2,537,000, or 9%, from 2012.

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Surface Inspection Market

Sales to customers in the surface inspection market represented 13% of total revenue in 2013 compared to 16% of total revenue in 2012. Sales to these customers decreased by $4,348,000, or 9%, from the prior year. Excluding the impact of foreign currency exchange rate changes, sales to surface inspection customers decreased by $2,896,000, or 6%, from 2012. This decrease was primarily due to delays in revenue recognition related to a new software release.

Product Revenue

Product revenue increased by $31,198,000, or 11%, from the prior year. This increase was driven by a higher volume of MVSD systems sold than in the prior year, partially offset by lower MVSD average selling prices due to a shift in revenue mix to ID products, which have relatively lower average selling prices.

Service Revenue

Service revenue, which is derived from the sale of maintenance and support, training, consulting, and installation services, decreased by $1,591,000, or 6%, from the prior year. This decrease was due to lower consulting services at MVSD, as well as lower revenue from SISD spare part sales, training services, and maintenance and support contracts. Service revenue decreased as a percentage of total revenue to 8% in 2013 from 9% in 2012.

Gross Margin

Gross margin as a percentage of revenue increased to 76% for 2013 compared to 75% for 2012. This increase was primarily due to a higher percentage of total revenue from the sale of MVSD products, which have relatively higher margins than the sale of SISD products or the sale of services.

MVSD Margin

MVSD gross margin as a percentage of revenue was 80% in both 2013 and 2012, as slightly lower product margins were offset by improvements in consulting service margins. The minor deterioration in the product margin was due to higher provisions for excess and obsolete inventory and for warranties, as well as a shift in revenue mix to relatively lower-margin ID Products. This was largely offset by the favorable impact of higher sales volume and material cost reductions.

SISD Margin

SISD gross margin as a percentage of revenue was 54% in both 2013 and 2012, as improvements in installation service margins were offset by higher provisions for excess and obsolete inventory.

Product Margin

Product gross margin as a percentage of revenue was 78% in both 2013 and 2012. A slight reduction in product margins at both MVSD and SISD, as described above, were offset by a favorable shift in revenue mix to MVSD products, which have relatively higher margins than SISD products.

Service Margin

Service gross margin as a percentage of revenue was 55% in 2013 compared to 51% in 2012. This increase was due to improved margins from MVSD consulting services, as well as improvements in SISD installation service margins.

Operating Expenses

Research, Development, and Engineering Expenses

Research, development, and engineering (RD&E) expenses in 2013 increased by $6,538,000, or 16%, from the prior year. MVSD RD&E expenses increased by $6,300,000, or 17%, while SISD RD&E expenses increased by $238,000, or 6%.

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The table below (in thousands) details the $6,300,000 net increase in MVSD RD&E in 2013:

MVSD RD&E balance in 2012	$	37,673
Personnel costs	3,417
Company bonus accruals	990
Outsourced engineering services	665
Stock-based compensation expense	382
Other	846
MVSD RD&E balance in 2013	$	43,973

Personnel costs have increased from the prior year due to additional headcount, and to a lesser extent, higher average costs per employee. Over the past few years, the Company has increased engineering headcount to support new product development, resulting in higher personnel costs, such as salaries and fringe benefits. Average costs per employee have increased over the prior year due primarily to modest wage increases granted early in 2013 and higher fringe benefits, such as health care costs. In addition, MVSD recorded higher bonus accruals, increased costs related to outsourced engineering services, and increased stock-based compensation expense due to a higher valuation of stock options granted in the first quarter of 2013.

The increase in SISD RD&E expenses was primarily due to increased costs related to outsourced engineering services ($133,000) and increased personnel costs ($107,000).

RD&E expenses as a percentage of revenue were 14% in 2013 and 13% in 2012.

Selling, General, and Administrative Expenses

Selling, general, and administrative (SG&A) expenses in 2013 increased by $15,523,000, or 13%, from the prior year. MVSD SG&A expenses increased by $12,138,000, or 13%, and SISD SG&A expenses increased by $763,000, or 6%. Corporate expenses that are not allocated to either division increased by $2,622,000, or 22%.

The table below (in thousands) details the $12,138,000 net increase in MVSD SG&A in 2013:

MVSD SG&A balance in 2012	$	96,359
Personnel costs	5,173
Sales commissions	3,502
Company bonus accruals	1,033
Depreciation expense	822
Recruiting costs	684
Stock-based compensation expense	588
Marketing and promotional expense	566
Foreign currency exchange rate changes	(1,232		)
Other	1,002
MVSD SG&A balance in 2013	$	108,497

Personnel costs have increased from the prior year due to additional headcount, and to a lesser extent, higher average costs per employee. Over the past few years, the Company has increased headcount in selective areas, principally Sales, resulting in higher personnel costs, such as salaries, fringe benefits, commissions, and travel expenses. Average costs per employee have increased over the prior year due primarily to modest wage increases granted early in 2013 and higher fringe benefits, such as health care costs and foreign retirement obligations. The Company also recorded higher expenses related to sales commissions resulting from higher business levels, MVSD bonus accruals, depreciation expense principally related to business system upgrades, recruiting costs, stock-based compensation expense, and marketing and promotional activities. These increases were partially offset by the net favorable impact of changes in foreign currency exchange rates.   The positive impact on reported expenses of a weaker Japanese Yen in 2013 compared to the prior year, as costs denominated in Yen were translated to U.S. Dollars at a lower rate, was in part offset by the negative impact of a stronger Euro during these same periods.

The increase in SISD SG&A expenses was primarily due to increased personnel costs ($777,000) and increased stock-based compensation expense ($230,000), partially offset by lower SISD bonus accruals ($477,000).

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The increase in corporate expenses was primarily due to higher legal fees related to patent-infringement actions ($1,269,000 – refer to Note 10 to the Consolidated Financial Statements in Part II – Item 8 of this Annual Report on Form 10-K), higher company bonus accruals ($793,000), and higher stock-based compensation expense ($629,000).

Nonoperating Income (Expense)

The Company recorded foreign currency losses of $646,000 in 2013 and $880,000 in 2012. During 2012, management changed the domicile of the subsidiary that held the Company’s Euro-denominated investment portfolio and also changed that subsidiary’s functional currency from the Euro to the U.S. Dollar. As a result of these changes, the investment portfolio was liquidated, and those funds were converted into U.S. Dollars. To protect against a potential devaluation in the Euro, the Company entered into forward contracts to exchange Euros for U.S. Dollars at fixed exchange rates. The settlement of these forward contracts resulted in a foreign currency loss of $504,000. The foreign currency losses in 2013 and the remaining losses in 2012 resulted from the revaluation and settlement of accounts receivable and intercompany balances that are reported in one currency and collected in another. Although a portion of the Company’s foreign currency exposure of accounts receivable is mitigated through the use of forward contracts, this program depends upon forecasts of sales and collections, and therefore, gains or losses on the underlying receivables may not perfectly offset losses or gains on the contracts.

Investment income in 2013 decreased by $1,866,000, or 42%, from the prior year. The decrease was primarily due to gains recorded upon the liquidation of the Company's Euro-denominated investment portfolio in 2012 of $1,071,000 which did not repeat, as well as losses recorded in 2013 on the sale of equity securities of $702,000. Interest income on the Company's portfolio of debt securities was relatively flat, as higher average cash balances available for investment were offset by lower yields.

The Company recorded other expense, net of other income, of $440,000 in 2013 and $367,000 in 2012. The Company recorded $354,000 and $141,000 of other income in the first quarters of 2013 and 2012, respectively, due to the expiration of the statutes of limitations relating to tax holidays, during which time the Company collected value-added taxes from customers that were not required to be remitted to the government authority. Other income (expense) also includes rental income, net of associated expenses, from leasing buildings adjacent to the Company’s corporate headquarters. These buildings were largely unoccupied during 2013; however, late in 2013, a new tenant began to occupy a significant portion of the space in one of the buildings.

Income Tax Expense

The Company’s effective tax rate was 16% in 2013 compared to 21% in 2012.

The effective tax rate for 2013 included the impact of the following discrete events: (1) a decrease in tax expense of $1,790,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $267,000 from the final true-up of the prior year's tax accrual upon filing the actual tax returns, and (3) a decrease in tax expense of $555,000 from the retroactive application of the 2012 research and development credit. The American Taxpayer Relief Act of 2012 was passed by Congress and signed into law on January 1, 2013, and as a result, the reduction to income tax expense was recorded as a discrete item in the first quarter of 2013. The impact of these discrete tax events decreased the effective tax rate from 19% to 16% for 2013.

The effective tax rate for 2012 included the impact of the following discrete events: (1) a decrease in tax expense of $441,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $101,000 from the write-down of a non-current deferred tax asset based upon a change in the tax rate in Japan, and (3) an increase in tax expense of $84,000 from the final true-up of the prior year’s tax accrual upon filing the actual tax returns. These discrete events did not have a material net impact on the 2012 tax provision as a percentage of pretax income.

Excluding these discrete tax events, the Company's effective tax rate would be 19% and 21% of the Company's pretax income for 2013 and 2012, respectively. The decrease in the effective tax rate was primarily due to a higher proportion of the Company's pretax income being earned in relatively lower tax jurisdictions.

LIQUIDITY AND CAPITAL RESOURCES

The Company has historically been able to generate positive cash flow from operations, which has funded its operating activities and other cash requirements and has resulted in an accumulated cash and investment balance of $546,995,000 as of December 31, 2014. The Company has established guidelines relative to credit ratings, diversification, and maturities of its investments that maintain liquidity.

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The Company’s cash requirements in 2014 were met with its existing cash balances, cash from investment maturities and sales, positive cash flows from operations, and the proceeds from stock option exercises. Cash requirements consisted of operating activities, purchases of investments, the Company's stock repurchase program, and capital expenditures. As of December 31, 2014, the Company had collected the vast majority of the accounts receivable from the single-customer revenue arrangement noted in 2014 "Results of Operations."

Capital expenditures totaled $20,934,000 in 2014 and included the purchase in late 2014 of a building in Cork, Ireland for 4,500,000 Euros (approximately $5,444,000) where the Company had previously leased space for several years that serves as the distribution center for MVSD customers outside of the Americas. 450,000 Euros of the purchase price was paid in December 2014 and the remaining 4,050,000 Euros were paid in early February 2015. Capital expenditures also included building improvements at the Company’s headquarters and adjacent buildings in Natick, Massachusetts, as well as expenditures for computer hardware and manufacturing test equipment related to new product introductions.

The following table summarizes the Company’s material contractual obligations, both fixed and contingent (in thousands):

Year Ending December 31,	Venrock Limited Partnership Interest		Inventory Purchase Commitments		Leases		Total
2015	$	614	$	4,748	$	5,315	$	10,677
2016	—		—		3,309		3,309
2017	—		—		2,050		2,050
2018	—		—		1,490		1,490
2019	—		—		1,416		1,416
Thereafter	—		—		2,217		2,217
	$	614	$	4,748	$	15,797	$	21,159

The Company is a Limited Partner in Venrock Associates III, L.P. (Venrock), a venture capital fund. The Company has committed to a total investment in the limited partnership of up to $20,500,000, with the commitment period expiring December 31, 2015. The Company does not have the right to withdraw from the partnership prior to this date. As of December 31, 2014, the Company contributed $19,886,000 to the partnership.  The remaining commitment of $614,000 can be called by Venrock at any time before December 31, 2015. Contributions and distributions are at the discretion of Venrock’s management.  No contributions were made and no distributions were received in 2014.

In addition to the obligations described above, the following items may also result in future material uses of cash:

Dividends

In December 2012, the Company's Board of Directors declared and paid a dividend of $0.055 per share that would typically have been declared in the first quarter of 2013 in conjunction with the 2012 earnings release. A special dividend of $0.50 per share was also declared and paid in December 2012 to replace expected quarterly dividend declarations for the next eight quarters, beginning in 2013. The additional $0.055 dividend and the $0.50 dividend were accelerated due to the anticipated increase in the federal tax on dividends paid after December 31, 2012. Due to these accelerated payments, no cash dividends were declared or paid in 2013 or 2014. Future dividends will be declared at the discretion of the Company's Board of Directors and will depend upon such factors as the Board deems relevant, including, among other things, the Company's ability to generate positive cash flow from operations.

Stock Repurchase Program

In April 2008, the Company’s Board of Directors authorized the repurchase of up to $50,000,000 of the Company’s common stock, primarily as a means to reduce the dilutive effect of employee stock options. Stock repurchases under this program were completed in 2013. In November 2011, the Company’s Board of Directors authorized the repurchase of up to $80,000,000 of the Company’s common stock. Purchases under this 2011 program began in the third quarter of 2013 upon completion of the 2008 program. As of December 31, 2014, the Company had repurchased a total of 2,243,000 shares at a cost of $80,000,000 under this 2011 program, including 1,351,000 shares at a cost of $52,095,000 in 2014. Stock repurchases under this program are now complete. In April 2014, the Company's Board of Directors authorized the repurchase of an additional $50,000,000 of the Company's common stock. Purchases under this 2014 program began in the fourth quarter of 2014 upon completion of the 2011 program. In 2014, the Company repurchased a total of 183,000 shares at a cost of $7,578,000 under this 2014 program. The Company may repurchase shares

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under this program in future periods depending on a variety of factors, including, among other things, the impact of dilution from employee stock options, stock price, share availability, and cash requirements.

Reserve for Income Taxes

The Company may be required to make cash outlays related to its reserve for income taxes in a future period. Due to the uncertainty of the timing of future cash payments associated with its reserve for income taxes, the Company is unable to make reasonably reliable estimates of the future period of cash settlement, if any, with the respective taxing authorities. Foreign subsidiaries’ undistributed earnings are deemed to be permanently reinvested outside the United States. It is management’s belief that the Company will not need to repatriate these earnings in future years due to the relatively strong cash flows at our domestic entities.

Acquisitions

The Company’s business strategy includes selective expansion into new machine vision applications through the acquisition of businesses and technologies, which may result in significant cash outlays in the future.

The Company believes that its existing cash and investment balances, together with cash flow from operations, will be sufficient to meet its operating, investing, and financing activities for the next twelve months. As of December 31, 2014, the Company had approximately $545,039,000 in either cash or debt securities that could be converted into cash. In addition, Cognex has no long-term debt and does not anticipate needing debt financing in the near future. We believe that our strong cash position has put us in a relatively good position with respect to our longer-term liquidity needs.

OFF-BALANCE SHEET ARRANGEMENTS

As of December 31, 2014, the Company has no off-balance sheet arrangements as defined in Item 303(a)(4)(ii) of Regulation S-K.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our discussion and analysis of the Company’s financial condition and results of operations are based upon the consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States. The preparation of these financial statements requires management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue, and expenses, and related disclosure of contingent assets and liabilities. We base our estimates on historical experience and various other assumptions believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results could differ from these estimates under different assumptions or circumstances resulting in charges that could be material in future reporting periods. We believe the following critical accounting policies require the use of significant estimates and judgments in the preparation of our consolidated financial statements.

Revenue Recognition

The Company’s product revenue is derived from the sale of machine vision systems, which can take the form of hardware with embedded software or software-only, and related accessories. The Company also generates revenue by providing maintenance and support, training, consulting, and installation services to its customers. Certain of the Company’s arrangements include multiple deliverables that provide the customer with a combination of products or services. In order to recognize revenue, the Company requires that a signed customer contract or purchase order is received, the fee from the arrangement is fixed or determinable, and collection of the resulting receivable is probable. Assuming that these criteria have been met, product revenue is generally recognized upon delivery, revenue from maintenance and support programs is recognized ratably over the program period, revenue from training and consulting services is recognized over the period that the services are provided, and revenue from installation services is recognized when the customer has signed off that the installation is complete. When customer-specified acceptance criteria exists that are substantive, product revenue is deferred until these criteria have been met, along with the associated incremental direct costs.

The majority of the Company’s product offerings consist of hardware with embedded software. Under the revenue recognition rules for tangible products, the fee from a multiple-deliverable arrangement is allocated to each of the deliverables based upon their relative selling prices as determined by a selling-price hierarchy. A deliverable in an arrangement qualifies as a separate unit of accounting if the delivered item has value to the customer on a stand-alone basis. A delivered item that does not qualify as a separate unit of accounting is combined with the other undelivered items in the arrangement and revenue is recognized for those combined deliverables as a single unit of accounting. The selling price used for each deliverable is based upon vendor-specific objective evidence (VSOE) if available, third-

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party evidence (TPE) if VSOE is not available, and management’s best estimate of selling price (BESP) if neither VSOE nor TPE are available. VSOE is the price charged for a deliverable when it is sold separately. TPE is the price of the Company’s or any competitor’s largely interchangeable products or services in stand-alone sales to similarly-situated customers. BESP is the price at which the Company would sell the deliverable if it were sold regularly on a stand-alone basis, considering market conditions and entity-specific factors.

Management exercises judgment in connection with the determination of the amount of revenue to be recognized each period. Such judgments include, but are not limited to, determining whether separate contracts with the same customer that are entered into at or near the same time should be accounted for as a single arrangement, identifying the various elements in an arrangement, determining if delivered items have stand-alone value, determining the relative selling prices of the arrangement’s deliverables, determining whether options to buy additional products or services in the future are substantive and should be accounted for as a deliverable in the original arrangement, assessing whether the fee is fixed or determinable, determining the probability of collecting the receivable, determining whether customer-specified acceptance criteria are substantive in nature, and assessing whether vendor-specific objective evidence of fair value has been established for undelivered elements.

Investments

As of December 31, 2014, the Company’s investment balance totaled $491,301,000, of which $489,345,000 consisted of debt securities and $1,956,000 consisted of a limited partnership interest in a venture capital fund. The debt securities are reported at fair value, with unrealized gains and losses, net of tax, recorded in shareholders’ equity as other comprehensive income (loss) since these securities are designated as available-for-sale securities. As of December 31, 2014, the Company’s portfolio of debt securities had a net unrealized loss of $102,000. The limited partnership interest is in Venrock Associates III, L.P., a venture capital fund with an investment focus on Information Technology and Health Care and Life Sciences. The limited partnership interest is accounted for using the cost method because our investment is less than 5% of the partnership and we have no influence over the partnership’s operating and financial policies. Furthermore, this investment does not have a readily determinable market value, and therefore, does not qualify for fair value accounting.

The Company applies a three-level valuation hierarchy for fair value measurements. The categorization of assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the measurement of fair value. Level 1 inputs to the valuation methodology utilize unadjusted quoted market prices in active markets for identical assets and liabilities. Level 2 inputs to the valuation methodology are other observable inputs, including quoted market prices for similar assets and liabilities, quoted prices for identical and similar assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. Level 3 inputs to the valuation methodology are unobservable inputs based upon management’s best estimate of the inputs that market participants would use in pricing the asset or liability at the measurement date, including assumptions about risk. Changes in the valuation methodology, interest rates, credit rates, or the market for these investments could result in changes to their fair values. Changes to the Level of an investment within the fair value hierarchy are determined at the end of the reporting period.

The Company’s money market instruments are reported at fair value based upon the daily market price for identical assets in active markets, and are therefore classified as Level 1. The Company’s debt securities are reported at fair value based upon model-driven valuations in which all significant inputs are observable or can be derived from or corroborated by observable market data for substantially the full term of the asset, and are therefore classified as Level 2. Management is responsible for estimating the fair value of these financial assets and liabilities, and in doing so, considers valuations provided by a large, third-party pricing service. This service maintains regular contact with market makers, brokers, dealers, and analysts to gather information on market movement, direction, trends, and other specific data. They use this information to structure yield curves for various types of debt securities and arrive at the daily valuations.

Management monitors the carrying value of its investments in debt securities and the limited partnership interest compared to their fair value to determine whether an other-than-temporary impairment has occurred. In considering whether a decline in fair value is other-than-temporary, we consider many factors, both qualitative and quantitative in nature. In its evaluation of its debt securities, management considers the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our ability and intent to hold the security to expected recovery of value, and other meaningful information. If a decline in fair value is determined to be other-than-temporary, an impairment charge would be recorded in current operations to reduce the carrying value of the investment to its fair value. There were no other-than-temporary impairments of investments in 2014, 2013, or 2012.

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Accounts Receivable

The Company maintains reserves against its accounts receivable for potential credit losses. Ongoing credit evaluations of customers are performed and the Company has historically not experienced significant losses related to the collection of its accounts receivable. Allowances for specific accounts determined to be at risk for collection are estimated by management taking into account the length of time the receivable has been outstanding, the customer’s current ability to pay its obligations to the Company, general economic and industry conditions, as well as various other factors. Global economic uncertainty may result in longer payment cycles and challenges in collecting accounts receivable balances, which make these estimates more judgmental. An adverse change in any of these factors could result in higher than expected customer defaults and may result in the need for additional bad debt provisions. As of December 31, 2014, the Company’s reserve against accounts receivable was $1,095,000, or 2% of the gross accounts receivable balance. A 10% difference in the reserve against accounts receivable as of December 31, 2014 would have affected net income by approximately $89,000.

Inventories

Inventories are stated at the lower of cost or market. Management estimates excess and obsolescence exposures based upon assumptions about future demand, product transitions, and market conditions, and records reserves to reduce the carrying value of inventories to their net realizable value. Volatility in the global economy makes these assumptions about future demand more judgmental. Among the risks associated with the introduction of new products are difficulty predicting customer demand and effectively managing inventory levels to ensure adequate supply of the new product and avoid excess supply of the legacy product. In addition, we may strategically enter into non-cancelable commitments with vendors to purchase materials for products in advance of demand in order to take advantage of favorable pricing or address concerns about the availability of future supplies and long lead times. As of December 31, 2014, the Company’s reserve for excess and obsolete inventory totaled $5,970,000, or 14% of the gross inventory balance. A 10% difference in inventory reserves as of December 31, 2014 would have affected net income by approximately $484,000.

Long-lived Assets

The Company has long-lived assets, including property, plant, and equipment and acquired intangible assets. These assets are susceptible to shortened estimated useful lives and changes in fair value due to changes in their use, market or economic changes, or other events or circumstances. The Company evaluates the potential impairment of these long-lived assets whenever events or circumstances indicate their carrying value may not be recoverable. Factors that could trigger an impairment review include historical or projected results that are less than the assumptions used in the original valuation of an acquired asset, a change in the Company’s business strategy or its use of an acquired asset, or negative economic or industry trends.

If an event or circumstance indicates the carrying value of long-lived assets may not be recoverable, the Company assesses the recoverability of the assets by comparing the carrying value of the assets to the sum of the undiscounted future cash flows that the assets are expected to generate over their remaining economic lives. If the carrying value exceeds the sum of the undiscounted future cash flows, the Company compares the fair value of the long-lived assets to the carrying value and records an impairment loss for the difference. The Company generally estimates the fair value of its long-lived assets using the income approach based upon a discounted cash flow model. The income approach requires the use of many assumptions and estimates including future revenues and expenses, discount factors, income tax rates, the identification of groups of assets with highly independent cash flows, and assets’ economic lives. Volatility in the global economy makes these assumptions and estimates more judgmental. No impairment losses were recorded in 2014, 2013, or 2012. Actual future operating results and the remaining economic lives of our long-lived assets could differ from those used in assessing the recoverability of these assets and could result in an impairment of long-lived assets in future periods.

Goodwill

Management evaluates the potential impairment of goodwill for each of its reporting units annually each fourth quarter and whenever events or circumstances indicate their carrying value may not be recoverable. The Company has identified two reporting units for its goodwill test: MVSD and SISD. Determining the Company’s reporting units requires judgments regarding what constitutes a business and at what level discrete financial information is available and reviewed by management.

The Company performs a qualitative assessment of goodwill (commonly known as “step zero”) to determine whether further impairment testing is necessary. If this qualitative assessment indicates that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, the entity would proceed to a two-step process. Step one

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compares the fair value of the reporting unit with its carrying value, including goodwill. If the carrying amount exceeds the fair value of the reporting unit, step two is required to measure the amount of impairment loss. Step two compares the implied fair value of the reporting unit goodwill to the carrying amount of the goodwill. The Company estimates the fair value of its reporting units using the income approach based upon a discounted cash flow model. In addition, the Company uses the market approach, which compares the reporting unit to publicly-traded companies and transactions involving similar businesses, to support the conclusions based upon the income approach. The income approach requires the use of many assumptions and estimates including future revenues, expenses, capital expenditures, and working capital, as well as discount factors and income tax rates.

Factors that management considered in the qualitative assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management took into consideration the goodwill valuation as of October 4, 2010, which was the last time it was performed under the two-step process. At that time, this analysis indicated that the fair value of the MVSD unit exceeded its carrying value by approximately 208%, while the fair value of the SISD unit exceeded its carrying value by approximately 119% at that date. Based on the qualitative assessment, management does not believe that it is more likely than not that the carrying value of either reporting unit exceeds its fair value. No impairment losses were recorded in 2014, 2013, or 2012.

Warranty Obligations

The Company records the estimated cost of fulfilling product warranties at the time of sale based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or circumstances impacting product quality become known that would not have been taken into account using historical data. While we engage in extensive product quality programs and processes, including actively monitoring and evaluating the quality of our component suppliers and third-party contract manufacturers, the Company’s warranty obligation is affected by product failure rates, material usage, and service delivery costs incurred in correcting a product failure. An adverse change in any of these factors may result in the need for additional warranty provisions. As of December 31, 2014, the Company’s accrued warranty obligations amounted to $4,494,000. A 10% difference in accrued warranty obligations as of December 31, 2014 would have affected net income by approximately $364,000.

Contingencies

Estimated losses from contingencies are accrued by management based upon whether a loss is probable and whether management has the ability to reasonably estimate the amount of the loss. Estimating potential losses, or even a range of losses, is difficult and involves a great deal of judgment. Management relies primarily on assessments made by its internal and external legal counsel to make our determination as to whether a loss contingency arising from litigation should be recorded or disclosed. This analysis is performed on a quarterly basis or when facts and circumstances dictate. Should the resolution of a contingency result in a loss that we did not accrue because management did not believe that the loss was probable or capable of being reasonably estimated, then this loss would result in a charge to income in the period the contingency was resolved. The Company did not have any significant accrued contingencies as of December 31, 2014.

Stock-Based Compensation

Compensation expense is recognized for all stock option and restricted stock grants. Determining the appropriate valuation model and estimating the fair values of these grants requires the input of subjective assumptions, including expected stock price volatility, dividend yields, expected term, and forfeiture rates. The expected volatility assumption is based partially upon the historical volatility of the Company’s common stock, which may or may not be a true indicator of future volatility, particularly as the Company continues to seek to diversify its customer base. The assumptions used in calculating the fair values of stock option grants represent management’s best estimates, but these estimates involve inherent uncertainties and the application of judgment. As a result, if factors change and different assumptions are used, stock-based compensation expense could be significantly different from what the Company recorded in the current period.

Income Taxes

Significant judgment is required in determining worldwide income tax expense based upon tax laws in the various jurisdictions in which the Company operates. The Company has established reserves for income taxes by applying the “more likely than not” criteria, under which the recognition threshold is met when an entity concludes that a tax position, based solely on its technical merits, is more likely than not to be sustained upon examination by the relevant tax authority. All tax positions are analyzed periodically and adjustments are made as events occur that warrant modification, such as the completion of audits or the expiration of statutes of limitations, which may result in future charges or credits to income tax expense.

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As part of the process of preparing consolidated financial statements, management is required to estimate income taxes in each of the jurisdictions in which the Company operates. This process involves estimating the current tax liability, as well as assessing temporary differences arising from the different treatment of items for financial statement and tax purposes. These differences result in deferred tax assets and liabilities, which are recorded on the Consolidated Balance Sheets.

The Company has net deferred tax assets primarily resulting from temporary differences between the financial statement and tax bases of assets and liabilities. Management has evaluated the realizability of these deferred tax assets and has determined that it is more likely than not that these assets will be realized, net of any valuation allowance. In reaching this conclusion, we have evaluated relevant criteria, including the Company’s historical profitability, current projections of future profitability, and the lives of tax credits, net operating and capital losses, and other carryforwards, certain of which have indefinite lives. Should the Company fail to generate sufficient pretax profits in future periods, we may be required to record material adjustments to these deferred tax assets, resulting in a charge to income in the period of determination.

Derivative Instruments

In certain instances, the Company enters into forward contracts to hedge against foreign currency fluctuations. The Company's forward contracts are reported at fair value based upon model-driving valuations in which all significant inputs are observable or can be derived from or corroborated by observable market data for substantially the full term of the asset or liability, and are therefore classified as Level 2. The Company's forward contracts are typically traded or executed in over-the-counter markets with a relatively high degree of pricing transparency. The market participants are generally large commercial banks.

Currently, the Company enters into two types of hedges to manage foreign currency exchange rate risk. The first are economic hedges which utilize foreign currency forward contracts to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. These economic hedges are not designated as effective hedges, and therefore, do not qualify for effective hedge accounting. The second are cash flow hedges which utilize foreign currency forward contracts to protect our budgeted revenues and expenses against foreign currency exchange rate changes compared to our budgeted rates. These cash flow hedges are designated for hedge accounting, and therefore, the effective portion of the forward contract's gain or loss is reported in shareholders' equity as other comprehensive income (loss) and is reclassified into current operations as the hedged transaction impacts current operations. Should these hedges fail to qualify for hedge accounting or be ineffective, the gain or loss on the forward contract would be reported in current operations immediately as opposed to when the hedged transaction impacts current operations. This may result in material foreign currency gains or losses.

Purchase Accounting

Business acquisitions are accounted for under the purchase method of accounting. Allocating the purchase price requires the Company to estimate the fair value of various assets acquired and liabilities assumed. Management is responsible for determining the appropriate valuation model and estimated fair values, and in doing so, considers a number of factors, including information provided by an outside valuation advisor. The Company primarily establishes fair value using the income approach based upon a discounted cash flow model. The income approach requires the use of many assumptions and estimates including future revenues and expenses, as well as discount factors and income tax rates.

NEW PRONOUNCEMENTS

Accounting Standards Update (ASU) 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360) - Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”

ASU 2014-08 defines a discontinued operation as a component or group of components that is disposed of or is classified as held for sale and represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. A strategic shift could include a disposal of (1) a major geographical area of operations, (2) a major line of business, (3) a major equity method investment, or (4) other major parts of an entity. In addition, having significant continuing involvement with a component after a disposal or failing to eliminate the operations or cash flows of a disposed component from an entity’s ongoing operations will no longer preclude presentation as a discontinued operation. The ASU will require new disclosures related to discontinued operations and to disposals of individually significant components that do not qualify as discontinued operations. The guidance in ASU 2014-08 applies

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prospectively to new disposals of components and new classifications as held for sale beginning in 2015 for most entities, with early adoption allowed. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-09, “Revenue from Contracts with Customers”

The amendments in ASU 2014-09 will supersede and replace all currently existing U.S. GAAP, including industry-specific revenue recognition guidance, with a single, principle-based revenue recognition framework. The concept guiding this new model is that revenue recognition will depict transfer of control to the customer in an amount that reflects consideration to which an entity expects to be entitled. The core principles supporting this framework include (1) identifying the contract with a customer, (2) identifying separate performance obligations within the contract, (3) determining the transaction price, (4) allocating the transaction price to the performance obligations, and (5) recognizing revenue. This new framework will require entities to apply significantly more judgment. This increase in management judgment will require expanded disclosure on estimation methods, inputs, and assumptions for revenue recognition. The guidance in ASU 2014-09 is effective for public companies for annual reporting periods beginning after December 15, 2016. Early adoption is not permitted. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-15, "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern"

ASU 2014-15 requires management to perform interim and annual assessments of an entity's ability to continue as a going concern within one year of the date of issuance of the entity's financial statements. The entity must provide certain disclosures if "conditions or events raise substantial doubt about the entity's ability to continue as a going concern." The ASU will require management to disclose principal conditions or events contributing to the "doubt" to continue as a going concern, as well as management's evaluations and plans to try to alleviate these uncertainties. The guidance in ASU 2014-15 applies to all entities and is effective for annual periods beginning after December 15, 2015, and interim periods thereafter. Early adoption is permitted. Given the Company's financial condition, management does not expect ASU 2014-15 to have a significant impact on our disclosures.

ITEM 7A:  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The Company is exposed to certain risks relating to its ongoing business operations, including foreign currency exchange rate risk and interest rate risk. The Company currently mitigates certain foreign currency exchange rate risks with derivative instruments. The Company does not currently manage its interest rate risk with derivative instruments.

Foreign Currency Risk

The Company faces exposure to foreign currency exchange rate fluctuations, as a significant portion of its revenues, expenses, assets, and liabilities are denominated in currencies other than the functional currencies of the Company’s subsidiaries or the reporting currency of the Company, which is the U.S. Dollar. In certain instances, we utilize forward contracts to hedge against foreign currency fluctuations. These contracts are used to minimize foreign gains or losses, as the gains or losses on the derivative are intended to offset the losses or gains on the underlying exposure. We do not engage in foreign currency speculation.

The Company’s foreign currency risk management strategy is principally designed to mitigate the potential financial impact of changes in the value of transactions and balances denominated in foreign currencies resulting from changes in foreign currency exchange rates. Currently, the Company enters into two types of hedges to manage this risk. The first are economic hedges which utilize foreign currency forward contracts with maturities of up to 45 days to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. The second are cash flow hedges which utilize foreign currency forward contracts with maturities of up to 18 months to hedge specific forecasted transactions of the Company's foreign subsidiaries with the goal of protecting our budgeted revenues and expenses against foreign currency exchange rate changes compared to our budgeted rates.

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The Company had the following outstanding forward contracts (in thousands):

	As of December 31, 2014					As of December 31, 2013
Currency	Notional Value	USD Equivalent		High Rate	Low Rate	Notional Value	USD Equivalent		High Rate	Low Rate
Derivatives Designated as Hedging Instruments:
Japanese Yen	1,225,000	$	10,211	148.124	138.7	625,000	$	6,122	140.38	140.16
Hungarian Forint	803,000	3,099		319.05	305.07	570,175	2,603		306.06	298.26
Singapore Dollar	3,515	2,564		1.7413	1.6304	2,867	2,346		1.6798	1.6789
British Pound	491	732		0.8375	0.7914	613	1,010		0.8375	0.8334
Canadian Dollar	758	688		1.125	1.062	985	932		1.0635	1.0522
Derivatives Not Designated as Hedging Instruments:
Japanese Yen	535,000	$	4,464	145.023	119.79	294,500	$	2,797	144.84	105.15
British Pound	1,400	2,183		0.776	0.776	1,100	1,820		0.8305	0.8305
Hungarian Forint	410,000	1,569		316.1	316.1	123,000	568		297.40	297.40
Singapore Dollar	1,225	922		1.607	1.607	—	—		—	—
Taiwanese Dollar	28,000	883		38.364	38.364	27,000	908		40.85	40.85
Korean Won	940,000	858		1,325	1,325	650,000	620		1,441.58	1,441.58
Euro	—	—		—	—	2,828	3,887		1.379	1.379
Chinese Yuan	—	—		—	—	9,000	1,467		8.4301	8.4301
Brazilian Real	—	—		—	—	250	106		2.3654	2.3654

A change in foreign currency exchange rates could materially impact the fair value of these contracts; however, if this occurred, the fair value of the underlying exposures hedged by the contracts would change by a similar amount. Accordingly, management does not believe that a material change in foreign currency exchange rates used in the fair value of our derivative instruments would materially impact operations or cash flows.

The success of our foreign currency risk management program depends upon forecasts of transaction activity denominated in various currencies. To the extent that these forecasts are overstated or understated during periods of currency volatility, we could experience unanticipated foreign currency gains or losses that could have a material impact on our results of operations. Furthermore, our failure to identify new exposures and hedge them in an effective manner may result in material foreign currency gains or losses.

The Company’s functional currency/reporting currency exchange rate exposures result from revenues and expenses that are denominated in currencies other than the U.S. Dollar. A significant portion of our revenues and expenses are denominated in the Euro, the Japanese Yen, and the Chinese Yuan, also known as Renminbi. Our predominant currency of sale is the U.S. Dollar in the Americas, the Euro in Europe, the Yen in Japan, the Chinese Yuan in Mainland China, and the U.S. Dollar in other regions. We estimate that approximately 41% of our sales in 2014 were invoiced in currencies other than the U.S. Dollar, and we expect sales denominated in foreign currencies to continue to represent a significant portion of our total revenue. While we also have expenses denominated in these same foreign currencies, the impact on revenues has historically been, and is expected to continue to be, greater than the offsetting impact on expenses. Therefore, in times when the U.S. Dollar strengthens in relation to these foreign currencies, we would expect to report a net decrease in operating income. Conversely, in times when the U.S. Dollar weakens in relation to these foreign currencies, we would expect to report a net increase in operating income. Thus, changes in the relative strength of the U.S. Dollar may have a material impact on our operating results.

Although the Euro was stronger on average for the full year 2014 compared to the full year 2013, the Euro weakened versus the U.S. Dollar in the fourth quarter of 2014 and this trend is continuing into 2015 as of the date of this report. A weaker Euro versus the U.S. Dollar results in lower reported U.S. Dollar revenue when the Company's sales denominated in Euros are translated into U.S. Dollars.

Interest Rate Risk

The Company’s investment portfolio of debt securities includes corporate bonds, treasury bills, asset-backed securities, a Euro liquidity fund, agency bonds, sovereign bonds, municipal bonds, and supranational bonds. Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value. As of

34

December 31, 2014, the fair value of the Company’s portfolio of debt securities amounted to $489,345,000 with principal amounts totaling $489,447,000, maturities that do not exceed seven years, and a yield to maturity of 0.83%. Differences between the fair value and principal amounts of the Company’s portfolio of debt securities are primarily attributable to discounts and premiums arising at the acquisition date, as well as unrealized gains and losses as of the balance sheet date.

Although it is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years, 85% of the investment portfolio as of December 31, 2014 has effective maturity dates of less than three years. Given the relatively short maturities and investment-grade quality of the Company’s portfolio of debt securities as of December 31, 2014, a sharp rise in interest rates should not have a material adverse effect on the fair value of these instruments. As a result, the Company does not currently hedge these interest rate exposures.

The following table presents the hypothetical change in the fair value of the Company’s portfolio of debt securities arising from selected potential changes in interest rates (in thousands). This modeling technique measures the change in fair value that would result from a parallel shift in the yield curve plus or minus 50 and 100 basis points (BP) over a twelve-month time horizon.

Type of security	Valuation of securities given an interest rate decrease				No change in interest rates		Valuation of securities given an interest rate increase
	(100 BP)		(50 BP)				50 BP		100 BP
Corporate bonds	$	249,741	$	248,462	$	247,183	$	245,903	$	244,624
Treasury bills	91,348		90,880		90,412		89,944		89,477
Asset-backed securities	64,528		64,197		63,867		63,537		63,206
Euro liquidity fund	48,708		48,472		48,235		47,999		47,763
Agency bonds	16,619		16,534		16,449		16,364		16,279
Sovereign bonds	13,600		13,530		13,461		13,391		13,321
Municipal bonds	7,918		7,878		7,837		7,797		7,756
Supranational bonds	1,921		1,911		1,901		1,891		1,881
	$	494,383	$	491,864	$	489,345	$	486,826	$	484,307

35

ITEM 8:  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

Consolidated Financial Statements:
Report of Independent Registered Public Accounting Firm	37
Consolidated Statements of Operations for the Years Ended December 31, 2014, 2013, and 2012	38
Consolidated Statements of Comprehensive Income for the Years Ended December 31, 2014, 2013, and 2012	39
Consolidated Balance Sheets as of December 31, 2014 and 2013	40
Consolidated Statements of Cash Flows for the Years Ended December 31, 2014, 2013, and 2012	41
Consolidated Statements of Shareholders’ Equity for the Years Ended December 31, 2014, 2013, and 2012	42
Notes to the Consolidated Financial Statements	43
Selected Quarterly Financial Data (unaudited)	70
Financial Statement Schedule:
Report of Independent Registered Public Accounting Firm	71
Schedule II – Valuation and Qualifying Accounts for the Years Ended December 31, 2014, 2013, and 2012	72

36

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Cognex Corporation:

We have audited the accompanying consolidated balance sheets of Cognex Corporation (a Massachusetts corporation) and subsidiaries (the “Company”) as of December 31, 2014 and 2013, and the related consolidated statements of operations, comprehensive income, cash flows, and shareholders’ equity for each of the three years in the period ended December 31, 2014. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Cognex Corporation and subsidiaries as of December 31, 2014 and 2013, and the results of their operations and their cash flows for each of the three years in the period ended December 31, 2014 in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the Company’s internal control over financial reporting as of December 31, 2014, based on criteria established in the 2013 Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report dated February 12, 2015 expressed an unqualified opinion.

/s/ GRANT THORNTON LLP

Boston, Massachusetts

February 12, 2015

37

COGNEX CORPORATION – CONSOLIDATED STATEMENTS OF OPERATIONS

	Year Ended December 31,
	2014			2013			2012
	(In thousands, except per share amounts)
Revenue
Product	$	451,066		$	326,786		$	295,588
Service	35,204			27,100			28,691
	486,270			353,886			324,279
Cost of revenue
Product	101,448			71,893			65,432
Service	19,572			12,187			14,063
	121,020			84,080			79,495
Gross margin
Product	349,618			254,893			230,156
Service	15,632			14,913			14,628
	365,250			269,806			244,784
Research, development, and engineering expenses	59,920			48,087			41,549
Selling, general, and administrative expenses	161,667			135,351			119,828
Operating income	143,663			86,368			83,407
Foreign currency gain (loss)	861			(646		)	(880		)
Investment income	3,156			2,604			4,470
Other expense	(283		)	(440		)	(367		)
Income before income tax expense	147,397			87,886			86,630
Income tax expense	25,912			14,313			18,532
Net income	$	121,485		$	73,573		$	68,098
Net income per common and common-equivalent share (1):
Basic	$	1.40		$	0.85		$	0.79
Diluted	$	1.36		$	0.83		$	0.78
Weighted-average common and common-equivalent shares outstanding (1):
Basic	86,858			86,946			85,666
Diluted	89,071			88,901			87,280
Cash dividends per common share (1)	$	—		$	—		$	0.77

(1) Prior period results have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.

The accompanying notes are an integral part of these consolidated financial statements.

38

COGNEX CORPORATION – CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

	Year Ended December 31,
	2014			2013			2012
	(In thousands)
Net income	$	121,485		$	73,573		$	68,098
Other comprehensive income (loss), net of tax:
Cash flow hedges:
Net unrealized gain (loss), net of tax of $0, $13, and $0 in 2014, 2013, and 2012, respectively	(118		)	104			—
Reclassification of net realized (gain) loss into current operations	46			—			—
Net change related to cash flow hedges	(72		)	104			—
Available-for-sale investments:
Net unrealized gain (loss), net of tax of $40, ($147), and $129 in 2014, 2013, and 2012, respectively	579			(190		)	2,079
Reclassification of net realized (gain) loss into current operations	(673		)	(314		)	(1,695		)
Net change related to available-for-sale investments	(94		)	(504		)	384
Foreign currency translation adjustments:
Foreign currency translation adjustments, net of tax of ($870), $22, and ($7) in 2014, 2013, and 2012, respectively	(9,400		)	82			(12,546		)
Net change related to foreign currency translation adjustments	(9,400		)	82			(12,546		)
Other comprehensive income (loss), net of tax	(9,566		)	(318		)	(12,162		)
Total comprehensive income	$	111,919		$	73,255		$	55,936

The accompanying notes are an integral part of these consolidated financial statements.

39

COGNEX CORPORATION – CONSOLIDATED BALANCE SHEETS

	December 31,
	2014			2013
	(In thousands)
ASSETS
Current assets:
Cash and cash equivalents	$	55,694		$	40,644
Short-term investments	90,456			184,822
Accounts receivable, less reserves of $1,095 and $1,354 in 2014 and 2013, respectively	50,938			53,015
Inventories	35,536			25,694
Deferred income taxes	8,985			7,611
Prepaid expenses and other current assets	22,997			20,265
Total current assets	264,606			332,051
Long-term investments	400,845			229,655
Property, plant, and equipment, net	47,907			37,136
Deferred income taxes	14,452			12,307
Intangible assets, net	10,699			14,723
Goodwill	81,689			81,689
Other assets	1,536			2,138
	$	821,734		$	709,699
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	19,114		$	9,487
Accrued expenses	39,949			34,331
Accrued income taxes	1,048			1,263
Deferred revenue and customer deposits	20,563			15,941
Total current liabilities	80,674			61,022
Reserve for income taxes	4,623			4,765
Commitments and contingencies (Note 10)
Shareholders’ equity:
Common stock, $.002 par value – Authorized: 140,000 shares, issued and outstanding: 86,542 and 86,831 shares in 2014 and 2013, respectively	173			174
Additional paid-in capital	251,717			211,440
Retained earnings	523,946			462,131
Accumulated other comprehensive loss, net of tax	(39,399		)	(29,833		)
Total shareholders’ equity	736,437			643,912
	$	821,734		$	709,699

The accompanying notes are an integral part of these consolidated financial statements.

40

COGNEX CORPORATION – CONSOLIDATED STATEMENTS OF CASH FLOWS

	Year Ended December 31,
	2014			2013			2012
	(In thousands)
Cash flows from operating activities:
Net income	$	121,485		$	73,573		$	68,098
Adjustments to reconcile net income to net cash provided by operations:
Stock-based compensation expense	15,158			10,620			8,520
Depreciation of property, plant, and equipment	8,443			7,305			6,721
Amortization of intangible assets	4,024			3,797			4,137
Amortization of discounts or premiums on investments	1,823			2,519			5,735
Realized (gain) loss on sale of investments	(673		)	403			(1,625		)
Change in deferred income taxes	(2,364		)	2,234			429
Tax effect of stock option exercises	(7,871		)	(7,658		)	(3,594		)
Changes in operating assets and liabilities:
Accounts receivable	(915		)	(11,311		)	5,035
Inventories	(11,750		)	666			1,872
Accounts payable	10,896			2,644			(246		)
Accrued expenses	7,812			5,593			(1,974		)
Accrued income taxes	7,700			7,968			3,363
Deferred revenue and customer deposits	5,893			3,228			(761		)
Other	(3,691		)	(6,126		)	5,421
Net cash provided by operating activities	155,970			95,455			101,131
Cash flows from investing activities:
Purchases of investments	(422,633		)	(370,781		)	(460,486		)
Maturities and sales of investments	339,470			296,091			431,510
Purchases of property, plant, and equipment	(20,934		)	(9,630		)	(9,878		)
Cash paid for purchased technology	—			(3,750		)	—
Net cash used in investing activities	(104,097		)	(88,070		)	(38,854		)
Cash flows from financing activities:
Issuance of common stock under stock option plans	16,930			27,792			17,468
Payment of dividends	—			—			(66,213		)
Repurchase of common stock	(59,673		)	(47,908		)	—
Tax effect of stock option exercises	7,871			7,658			3,594
Net cash used in financing activities	(34,872		)	(12,458		)	(45,151		)
Effect of foreign exchange rate changes on cash and cash equivalents	(1,951		)	557			(10,069		)
Net change in cash and cash equivalents	15,050			(4,516		)	7,057
Cash and cash equivalents at beginning of year	40,644			45,160			38,103
Cash and cash equivalents at end of year	$	55,694		$	40,644		$	45,160

The accompanying notes are an integral part of these consolidated financial statements.

41

COGNEX CORPORATION – CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

	Common Stock					Additional Paid-in Capital		Retained Earnings			Accumulated Other Comprehensive Loss			Total Shareholders’ Equity
(In thousands)	Shares		Par Value
Balance as of December 31, 2011	84,446		$	168		$	135,584	$	434,581		$	(17,353	)	$	552,980
Issuance of common stock under stock option plans	1,664		4			17,464		—			—			17,468
Stock-based compensation expense	—		—			8,520		—			—			8,520
Excess tax benefit from stock option exercises	—		—			3,594		—			—			3,594
Payment of dividends	—		—			—		(66,213		)	—			(66,213		)
Net income	—		—			—		68,098			—			68,098
Net unrealized gain on available-for-sale investments, net of tax of $129	—		—			—		—			2,079			2,079
Reclassification of net realized gain on the sale of available-for-sale investments	—		—			—		—			(1,695		)	(1,695		)
Foreign currency translation adjustment, net of tax of $7	—		—			—		—			(12,546		)	(12,546		)
Balance as of December 31, 2012	86,110		$	172		$	165,162	$	436,466		$	(29,515	)	$	572,285
Issuance of common stock under stock option plans	2,440		2			27,790		—			—			27,792
Repurchase of common stock	(1,719	)	—			—		(47,908		)	—			(47,908		)
Stock-based compensation expense	—		—			10,620		—			—			10,620
Excess tax benefit from stock option exercises	—		—			7,658		—			—			7,658
Tax benefit for research and development credits as a result of stock options	—		—			210		—			—			210
Net income	—		—			—		73,573			—			73,573
Net unrealized gain on cash flow hedges net of tax of $13	—		—			—		—			104			104
Net unrealized loss on available-for-sale investments, net of tax of $147	—		—			—		—			(190		)	(190		)
Reclassification of net realized gain on the sale of available-for-sale investments	—		—			—		—			(314		)	(314		)
Foreign currency translation adjustment, net of tax of $22	—		—			—		—			82			82
Balance as of December 31, 2013	86,831		$	174		$	211,440	$	462,131		$	(29,833	)	$	643,912
Issuance of common stock under stock option plans	1,245		2			16,928		—			—			16,930
Repurchase of common stock	(1,534	)	(3		)	—		(59,670		)	—			(59,673		)
Stock-based compensation expense	—		—			15,158		—			—			15,158
Excess tax benefit from stock option exercises	—		—			7,871		—			—			7,871
Tax benefit for research and development credits as a result of stock options	—		—			320		—			—			320
Net income	—		—			—		121,485			—			121,485
Net unrealized loss on cash flow hedges, net of tax of $0	—		—			—		—			(118		)	(118		)
Reclassification of net realized loss on cash flow hedges	—		—			—		—			46			46
Net unrealized gain on available-for-sale investments, net of tax of $40	—		—			—		—			579			579
Reclassification of net realized gain on the sale of available-for-sale investments	—		—			—		—			(673		)	(673		)
Foreign currency translation adjustment, net of tax of $870	—		—			—		—			(9,400		)	(9,400		)
Balance as of December 31, 2014	86,542		$	173		$	251,717	$	523,946		$	(39,399	)	$	736,437

The accompanying notes are an integral part of these consolidated financial statements.

42

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1:  Summary of Significant Accounting Policies

The accompanying consolidated financial statements reflect the application of the significant accounting policies described below.

Nature of Operations

Cognex Corporation is a leading provider of machine vision products that capture and analyze visual information in order to automate tasks, primarily in manufacturing processes, where vision is required.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities as of the balance sheet date, and the reported amounts of revenues and expenses during the year. Actual results could differ from those estimates. Significant estimates and judgments include those related to revenue recognition, investments, accounts receivable, inventories, long-lived assets, goodwill, warranty obligations, contingencies, stock-based compensation, income taxes, derivative instruments, and purchase accounting.

Basis of Consolidation

The consolidated financial statements include the accounts of Cognex Corporation and its subsidiaries, all of which are wholly-owned. All intercompany accounts and transactions have been eliminated.

Foreign Currency Translation

The financial statements of the Company’s foreign subsidiaries, where the local currency is the functional currency, are translated using exchange rates in effect at the end of the year for assets and liabilities and average exchange rates during the year for results of operations. The resulting foreign currency translation adjustment, net of tax, is recorded in shareholders’ equity as other comprehensive income (loss).

Fair Value Measurements

The Company applies a three-level valuation hierarchy for fair value measurements. The categorization of assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the measurement of fair value. Level 1 inputs to the valuation methodology utilize unadjusted quoted market prices in active markets for identical assets and liabilities. Level 2 inputs to the valuation methodology are other observable inputs, including quoted market prices for similar assets and liabilities, quoted prices for identical and similar assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. Level 3 inputs to the valuation methodology are unobservable inputs based upon management’s best estimate of the inputs that market participants would use in pricing the asset or liability at the measurement date, including assumptions about risk. A change to the level of an asset or liability within the fair value hierarchy is determined at the end of a reporting period.

Cash, Cash Equivalents, and Investments

Money market instruments purchased with original maturities of three months or less are classified as cash equivalents and are stated at amortized cost. Debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as short-term investments, as well as equity securities that the Company intends to sell within one year. Debt securities with remaining maturities greater than one year, as well as a limited partnership interest, are classified as long-term investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax, recorded in shareholders’ equity as other comprehensive income (loss). Equity securities that are held for short periods of time with the intention of selling them in the near term are designated as trading and are reported at fair value, with unrealized gains and losses recorded in current operations. Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies.

43

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Furthermore, the investment does not have a readily determinable market value, and therefore, does not qualify for fair value accounting.

Management monitors the carrying value of its investments in debt securities and a limited partnership interest compared to their fair value to determine whether an other-than-temporary impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the impairment is other-than-temporary. In considering whether a decline in fair value is other-than-temporary, we consider many factors. In its evaluation of its debt securities, management considers the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our intent and ability to hold the security to expected recovery of value, and other meaningful information. An impairment is considered other-than-temporary if (i) the Company has the intent to sell the security, (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis, or (iii) the Company does not expect to recover the entire amortized cost basis of the security. If impairment is considered other-than-temporary based upon condition (i) or (ii) described above, the entire difference between the amortized cost and the fair value of the security is recognized in current operations. If an impairment is considered other-than-temporary based upon condition (iii), the amount representing credit losses (defined as the difference between the present value of the cash flows expected to be collected and the amortized cost basis of the security) is recognized in current operations and the amount relating to all other factors is recognized in shareholders' equity as other comprehensive income (loss). In its evaluation of its limited partnership interest, management considers the duration and extent of the decline, the length of the Company’s commitment to the investment, general economic trends, and specific communications with the General Partner.

Accounts Receivable

The Company extends credit with various payment terms to customers based upon an evaluation of their financial condition. Accounts that are outstanding longer than the payment terms are considered to be past due. The Company establishes reserves against accounts receivable for potential credit losses and records bad debt expense in current operations when it determines receivables are at risk for collection based upon the length of time the receivable has been outstanding, the customer’s current ability to pay its obligations to the Company, general economic and industry conditions, as well as various other factors. Receivables are written off against these reserves in the period they are determined to be uncollectible and payments subsequently received on previously written-off receivables are recorded as a reversal of the bad debt expense.

Inventories

Inventories are stated at the lower of cost or market. Cost is determined using standard costs, which approximates actual costs under the first-in, first-out (FIFO) method. The Company’s inventory is subject to rapid technological change or obsolescence. The Company reviews inventory quantities on hand and estimates excess and obsolescence exposures based upon assumptions about future demand, product transitions, and market conditions, and records reserves to reduce the carrying value of inventories to their net realizable value. If actual future demand is less than estimated, additional inventory write-downs would be required.

The Company generally disposes of obsolete inventory upon determination of obsolescence. The Company does not dispose of excess inventory immediately, due to the possibility that some of this inventory could be sold to customers as a result of differences between actual and forecasted demand. When inventory has been written down below cost, such reduced amount is considered the new cost basis for subsequent accounting purposes. As a result, the Company would recognize a higher than normal gross margin if the reserved inventory were subsequently sold.

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost and depreciated using the straight-line method over the assets’ estimated useful lives. Buildings’ useful lives are 39 years, building improvements’ useful lives are ten years, and the useful lives of computer hardware and software, manufacturing test equipment, and furniture and fixtures range from two to five years. Leasehold improvements are depreciated over the shorter of the estimated useful lives or the remaining terms of the leases. Maintenance and repairs are expensed when incurred; additions and improvements are capitalized. Upon retirement or disposition, the cost and related accumulated depreciation of the disposed assets are removed from the accounts, with any resulting gain or loss included in current operations.

44

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Intangible Assets

Intangible assets are stated at cost and amortized over the assets’ estimated useful lives. Intangible assets are either amortized in relation to the relative cash flows anticipated from the intangible asset or using the straight-line method, depending upon facts and circumstances. The useful lives of distribution networks range from eleven to twelve years, of customer contracts and relationships from eight to twelve years, and of completed technologies and other intangible assets from three to eight years. The Company evaluates the possible impairment of long-lived assets, including intangible assets, whenever events or circumstances indicate the carrying value of the assets may not be recoverable. At the occurrence of a certain event or change in circumstances, the Company evaluates the potential impairment of an asset by estimating the future undiscounted cash flows expected to result from the use and eventual disposition of the asset. If the sum of the estimated future cash flows is less than the carrying value, the Company determines the amount of such impairment by comparing the fair value of the asset to its carrying value. The fair value is based upon the present value of the estimated future cash flows using a discount rate commensurate with the risks involved.

Goodwill

Goodwill is stated at cost. The Company evaluates the possible impairment of goodwill annually each fourth quarter and whenever events or circumstances indicate the carrying value of the goodwill may not be recoverable. For the past four years, the Company has performed a qualitative assessment of goodwill (commonly known as “step zero”) to determine whether further impairment testing is necessary. Factors that management considers in this assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management takes into consideration the goodwill valuation under the last quantitative analysis that was performed. If this qualitative assessment indicates that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, the entity would proceed to a two-step process. Step one compares the fair value of the reporting unit with its carrying value, including goodwill. If the carrying amount exceeds the fair value of the reporting unit, step two is required to measure the amount of impairment loss. Step two compares the implied fair value of the reporting unit goodwill to the carrying amount of the goodwill.

Warranty Obligations

The Company warrants its products to be free from defects in material and workmanship for periods primarily ranging from six months to three years from the time of sale based upon the product being purchased and the terms of the customer arrangement. Warranty obligations are evaluated and recorded at the time of sale since it is probable that customers will make claims under warranties related to products that have been sold and the amount of these claims can be reasonably estimated based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or circumstances impacting product quality become known that would not have been taken into account using historical data.

Contingencies

Loss contingencies are accrued if the loss is probable and the amount of the loss can be reasonably estimated. Legal costs associated with potential loss contingencies, such as patent infringement matters, are expensed as incurred.

Revenue Recognition

The Company’s product revenue is derived from the sale of machine vision systems, which can take the form of hardware with embedded software or software-only, and related accessories. The Company also generates revenue by providing maintenance and support, training, consulting, and installation services to its customers. Certain of the Company’s arrangements include multiple deliverables that provide the customer with a combination of products or services. In order to recognize revenue, the Company requires that a signed customer contract or purchase order is received, the fee from the arrangement is fixed or determinable, and collection of the resulting receivable is probable. Assuming that these criteria have been met, product revenue is generally recognized upon delivery, revenue from maintenance and support programs is recognized ratably over the program period, revenue from training andconsulting services is recognized over the period that the services are provided, and revenue from installation services is recognized when the customer has signed off that the installation is complete. When customer-specified acceptance criteria exists that are substantive, product revenue is deferred until these criteria have been met, along with the associated incremental direct costs.

The majority of the Company’s product offerings consist of hardware with embedded software. Under the revenue recognition rules for tangible products, the fee from a multiple-deliverable arrangement is allocated to each of the deliverables based upon their relative selling prices as determined by a selling-price hierarchy. A deliverable in an

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

arrangement qualifies as a separate unit of accounting if the delivered item has value to the customer on a stand-alone basis. A delivered item that does not qualify as a separate unit of accounting is combined with the other undelivered items in the arrangement and revenue is recognized for those combined deliverables as a single unit of accounting. The selling price used for each deliverable is based upon vendor-specific objective evidence (VSOE) if available, third-party evidence (TPE) if VSOE is not available, and management’s best estimate of selling price (BESP) if neither VSOE nor TPE are available. VSOE is the price charged for a deliverable when it is sold separately. TPE is the price of the Company’s or any competitor’s largely interchangeable products or services in stand-alone sales to similarly-situated customers. BESP is the price at which the Company would sell the deliverable if it were sold regularly on a stand-alone basis, considering market conditions and entity-specific factors.

The selling prices used in the relative selling price allocation method for (1) certain of the Company’s services are based upon VSOE, (2) third-party accessories available from other vendors are based upon TPE, and (3) hardware products with embedded software, custom accessories, and services for which VSOE does not exist are based upon BESP. The Company does not believe TPE exists for these products and services because they are differentiated from competing products and services in terms of functionality and performance and there are no competing products or services that are largely interchangeable. For the Company’s Modular Vision Systems Division (MVSD), BESP has been established for each product line within each region, and for the Company’s Surface Inspection Systems Division (SISD), BESP has been established for each industry within each region. Management establishes BESP with consideration for market conditions, such as the impact of competition and geographic considerations, and entity-specific factors, such as the cost of the product and the division’s profit objectives. Management believes that BESP is reflective of reasonable pricing of that deliverable as if priced on a stand-alone basis.

Under the revenue recognition rules for software-only products, the fee from a multiple-deliverable arrangement is allocated to each of the undelivered elements based upon VSOE, which is limited to the price charged when the same deliverable is sold separately, with the residual value from the arrangement allocated to the delivered element. The portion of the fee that is allocated to each deliverable is then recognized as revenue when the criteria for revenue recognition are met with respect to that deliverable. If VSOE does not exist for all of the undelivered elements, then all revenue from the arrangement is typically deferred until all elements have been delivered to the customer.

The Company’s products are sold directly to end users, as well as to resellers including original equipment manufacturers (OEMs), distributors, and integrators. Revenue is recognized upon delivery of the product to the reseller, assuming all other revenue recognition criteria have been met. The Company establishes reserves against revenue for potential product returns, since the amount of future returns can be reasonably estimated based upon experience. These reserves have historically been immaterial.

Amounts billed to customers related to shipping and handling, as well as reimbursements received from customers for out-of-pocket expenses, are classified as revenue, with the associated costs included in cost of revenue.

Research and Development

Research and development costs for internally-developed or acquired products are expensed when incurred until technological feasibility has been established for the product. Thereafter, all software costs are capitalized until the product is available for general release to customers. The Company determines technological feasibility at the time the product reaches beta in its stage of development. Historically, the time incurred between beta and general release to customers has been short, and therefore, the costs have been insignificant. As a result, the Company has not capitalized software costs associated with internally-developed products.

Advertising Costs

Advertising costs are expensed as incurred and totaled $1,289,000 in 2014, $1,656,000 in 2013, and $1,792,000 in 2012.

Stock-Based Compensation

The Company’s share-based payments that result in compensation expense consist of stock option grants and restricted stock awards. The Company has reserved a specific number of shares of its authorized but unissued shares for issuance upon the exercise of stock options or the granting of restricted stock. When a stock option is exercised or a restricted stock award is granted, the Company issues new shares from this pool. The fair values of stock options are estimated on the grant date using a binomial lattice model. Management is responsible for determining the appropriate valuation model and estimating these fair values, and in doing so, considers a number of factors, including information provided by an outside valuation advisor.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The Company recognizes compensation expense related to stock options using the graded attribution method, in which expense is recognized on a straight-line basis over the service period for each separately vesting portion of the stock option as if the option was, in substance, multiple awards. The amount of compensation expense recognized at the end of the vesting period is based upon the number of stock options for which the requisite service has been completed. No compensation expense is recognized for options that are forfeited for which the employee does not render the requisite service. The term “forfeitures” is distinct from “expirations” and represents only the unvested portion of the surrendered option. The Company applies estimated forfeiture rates to its unvested options to arrive at the amount of compensation expense that is expected to be recognized over the requisite service period. At the end of each separately vesting portion of an option, the expense that was recognized by applying the estimated forfeiture rate is compared to the expense that should be recognized based upon the employee’s service, and a credit to expense is recorded related to those employees that have not rendered the requisite service.

Taxes

The Company recognizes a tax position in its financial statements when that tax position, based solely upon its technical merits, is more likely than not to be sustained upon examination by the relevant taxing authority. Those tax positions failing to qualify for initial recognition are recognized in the first interim period in which they meet the more likely than not standard, or are resolved through negotiation or litigation with the taxing authority, or upon expiration of the statutes of limitations. Derecognition of a tax position that was previously recognized occurs when an entity subsequently determines that a tax position no longer meets the more likely than not threshold of being sustained.

Only the portion of the liability that is expected to be paid within one year is classified as a current liability. As a result, liabilities expected to be resolved without the payment of cash (e.g., resolution due to the expiration of the statutes of limitations) or are not expected to be paid within one year are not classified as current. It is the Company’s policy to record estimated interest and penalties as income tax expense and tax credits as a reduction in income tax expense.

Deferred tax assets and liabilities are determined based upon the differences between the financial statement and tax bases of assets and liabilities as measured by the enacted tax rates that will be in effect when these differences reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

Sales tax in the United States and similar taxes in other jurisdictions that are collected from customers and remitted to government authorities are presented on a gross basis (i.e., a receivable from the customer with a corresponding payable to the government). Amounts collected from customers and retained by the Company during tax holidays are recognized as nonoperating income when earned.

Net Income Per Share

Basic net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period plus potential dilutive common shares. Dilutive common equivalent shares consist of stock options and are calculated using the treasury stock method. Common equivalent shares do not qualify as participating securities. In periods where the Company records a net loss, potential common stock equivalents are not included in the calculation of diluted net loss per share.

Comprehensive Income

Comprehensive income is defined as the change in equity of a company during a period from transactions and other events and circumstances, excluding transactions resulting from investments by owners and distributions to owners. Accumulated other comprehensive loss, net of tax, as of December 31, 2014 and December 31, 2013, consists of foreign currency translation adjustments of $38,030,000 and $28,630,000, respectively; net unrealized losses on available-for-sale investments of $130,000 and $36,000, respectively; net unrealized gains on derivative instruments of $32,000 and $104,000, respectively; and losses on currency swaps, net of gains on long-term intercompany loans, of $1,271,000 and $1,271,000, respectively.

Amounts reclassified from accumulated other comprehensive income to investment income on the Consolidated Statements of Operations were net realized gains of $673,000, $314,000, and $1,695,000 for 2014, 2013, and 2012, respectively.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Concentrations of Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade receivables. The Company has certain domestic and foreign cash balances that exceed the insured limits set by the Federal Deposit Insurance Corporation (FDIC) in the United States and equivalent regulatory agencies in foreign countries. The Company primarily invests in investment-grade debt securities and has established guidelines relative to credit ratings, diversification, and maturities of its debt securities that maintain safety and liquidity. The Company has not experienced any significant realized losses on its debt securities.

The Company performs ongoing credit evaluations of its customers and maintains allowances for potential credit losses. The Company has not experienced any significant losses related to the collection of its accounts receivable.

A significant portion of the Company’s MVSD product is manufactured by a third-party contractor located in Indonesia. This contractor has agreed to provide Cognex with termination notification periods and last-time-buy rights, if and when that may be applicable. We rely upon this contractor to provide quality product and meet delivery schedules. We engage in extensive product quality programs and processes, including actively monitoring the performance of our third-party manufacturers. Certain components are presently available only from a single source. Certain key electronic components that are purchased from strategic suppliers, such as processors or imagers, are fundamental to the design of Cognex products. A disruption in the supply of these key components, such as a last-time-buy announcement, natural disaster, financial bankruptcy, or other event, may require us to purchase a significant amount of inventory at unfavorable prices resulting in lower gross margins and higher risk of carrying excess or obsolete inventory. If we are unable to secure adequate supply from alternative sources, we may have to redesign our products, which may lead to a delay in manufacturing and a possible loss of sales.

Derivative Instruments

Derivative instruments are recorded on the Consolidated Balance Sheets at fair value. Changes in the fair value of derivatives are recorded each period in current operations or in shareholders' equity as other comprehensive income (loss), depending upon whether the derivative is designated as a hedge transaction and, if it is, the effectiveness of the hedge. At the inception of the contract, the Company designates foreign currency forward exchange contracts as either a cash flow hedge of certain forecasted foreign currency denominated sales and purchase transactions or as an economic hedge. Changes in the fair value of a derivative that is highly effective and that is designated and qualifies as a cash flow hedge are recorded in shareholders' equity as other comprehensive income (loss), and reclassified into current operations in the same period during which the hedged transaction affects current operations and in the same financial statement line item as that of the forecasted transaction. Cash flow hedges are evaluated for effectiveness quarterly. Any hedge ineffectiveness (which represents the amount by which the changes in the fair value of the derivative exceed the variability in the cash flows of the forecasted transaction) is recorded in current operations in the period in which ineffectiveness is determined. Changes in the fair value of the Company’s economic hedges (not designated as a cash flow hedge) are reported in current operations. The cash flows from derivative instruments are presented in the same category on the Consolidated Statements of Cash Flows as the category for the cash flows from the hedged item. Generally, this accounting policy election results in cash flows related to derivative instruments being classified as an operating activity on the Consolidated Statements of Cash Flows.

The Company formally documents all relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedge transactions. This process includes linking all derivatives that are designated as cash flow hedges to specific forecasted transactions. The Company also formally assesses (both at the hedge’s inception and on an ongoing basis) whether the derivatives that are used in hedging transactions have been highly effective in offsetting changes in the fair value or cash flows of hedged items and whether those derivatives may be expected to remain highly effective in future periods. When it is determined that a derivative is not (or has ceased to be) highly effective as a hedge, the Company discontinues hedge accounting prospectively, as discussed below.

The Company discontinues hedge accounting prospectively when (1) it determines that the derivative is no longer effective in offsetting changes in the cash flows of a hedged item; (2) the derivative expires or is sold, terminated, or exercised; (3) it is no longer probable that the forecasted transaction will occur; or (4) management determines that designating the derivative as a hedging instrument is no longer appropriate or desired. When the Company discontinues hedge accounting because it is no longer probable that the forecasted transaction will occur in the originally expected period, the gain or loss on the derivative remains in accumulated other comprehensive income (loss) and is reclassified into current operations when the forecasted transaction affects current operations. However, if it is probable that a forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter, the gain or loss that was accumulated in other comprehensive income (loss) is recognized

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

immediately in current operations. In all situations in which hedge accounting is discontinued and the derivative remains outstanding, the Company carries the derivative at fair value on the Consolidated Balance Sheets, recognizing changes in the fair value in current operations, unless it is designated in a new hedging relationship.

The Company recognizes all derivative instruments as either current assets or current liabilities at fair value on the Consolidated Balance Sheets. When the Company is engaged in more than one outstanding derivative contract with the same counterparty and also has a legally enforceable master netting agreement with that counterparty, the “net” mark-to-market exposure represents the netting of the positive and negative exposures with that counterparty. Accordingly, cash flow hedges are presented net on the Consolidated Balance Sheets.

NOTE 2: New Pronouncements

Accounting Standards Update (ASU) 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360) - Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”

ASU 2014-08 defines a discontinued operation as a component or group of components that is disposed of or is classified as held for sale and represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. A strategic shift could include a disposal of (1) a major geographical area of operations, (2) a major line of business, (3) a major equity method investment, or (4) other major parts of an entity. In addition, having significant continuing involvement with a component after a disposal or failing to eliminate the operations or cash flows of a disposed component from an entity’s ongoing operations will no longer preclude presentation as a discontinued operation. The ASU will require new disclosures related to discontinued operations and to disposals of individually significant components that do not qualify as discontinued operations. The guidance in ASU 2014-08 applies prospectively to new disposals of components and new classifications as held for sale beginning in 2015 for most entities, with early adoption allowed. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-09, “Revenue from Contracts with Customers”

The amendments in ASU 2014-09 will supersede and replace all currently existing U.S. GAAP, including industry-specific revenue recognition guidance, with a single, principle-based revenue recognition framework. The concept guiding this new model is that revenue recognition will depict transfer of control to the customer in an amount that reflects consideration to which an entity expects to be entitled. The core principles supporting this framework include (1) identifying the contract with a customer, (2) identifying separate performance obligations within the contract, (3) determining the transaction price, (4) allocating the transaction price to the performance obligations, and (5) recognizing revenue. This new framework will require entities to apply significantly more judgment. This increase in management judgment will require expanded disclosure on estimation methods, inputs, and assumptions for revenue recognition. The guidance in ASU 2014-09 is effective for public companies for annual reporting periods beginning after December 15, 2016. Early adoption is not permitted. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-15, "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern"

ASU 2014-15 requires management to perform interim and annual assessments of an entity's ability to continue as a going concern within one year of the date of issuance of the entity's financial statements. The entity must provide certain disclosures if "conditions or events raise substantial doubt about the entity's ability to continue as a going concern." The ASU will require management to disclose principal conditions or events contributing to the "doubt" to continue as a going concern, as well as management's evaluations and plans to try to alleviate these uncertainties. The guidance in ASU 2014-15 applies to all entities and is effective for annual periods beginning after December 15, 2015, and interim periods thereafter. Early adoption is permitted. Given the Company's financial condition, management does not expect ASU 2014-15 to have a significant impact on our disclosures.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 3:  Fair Value Measurements

Financial Assets and Liabilities that are Measured at Fair Value on a Recurring Basis

The following table summarizes the financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2014 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Money market instruments	$	777	$	—
Corporate bonds	—		247,183
Treasury bills	—		90,412
Asset-backed securities	—		63,867
Euro liquidity fund	—		48,235
Agency bonds	—		16,449
Sovereign bonds	—		13,461
Municipal bonds	—		7,837
Supranational bonds	—		1,901
Cash flow hedge forward contracts	—		108
Economic hedge forward contracts	—		6
Liabilities:
Cash flow hedge forward contracts	—		84
Economic hedge forward contracts	—		13

The Company’s money market instruments are reported at fair value based upon the daily market price for identical assets in active markets, and are therefore classified as Level 1.

The Company’s debt securities and forward contracts are reported at fair value based upon model-driven valuations in which all significant inputs are observable or can be derived from or corroborated by observable market data for substantially the full term of the asset or liability, and are therefore classified as Level 2. Management is responsible for estimating the fair value of these financial assets and liabilities, and in doing so, considers valuations provided by a large, third-party pricing service. For debt securities, this service maintains regular contact with market makers, brokers, dealers, and analysts to gather information on market movement, direction, trends, and other specific data. They use this information to structure yield curves for various types of debt securities and arrive at the daily valuations. The Company's forward contracts are typically traded or executed in over-the-counter markets with a high degree of pricing transparency. The market participants are generally large commercial banks.

The Company did not record an other-than-temporary impairment of these financial assets or liabilities in 2014, 2013, or 2012.

Financial Assets that are Measured at Fair Value on a Non-recurring Basis

The Company has an interest in a limited partnership, which is accounted for using the cost method and is required to be measured at fair value on a non-recurring basis. Management is responsible for estimating the fair value of this investment, and in doing so, considers valuations of the partnership’s investments as determined by the General Partner. Publicly-traded investments in active markets are reported at the market closing price less a discount, as appropriate, to reflect restricted marketability. Fair value for private investments for which observable market prices in active markets do not exist is based upon the best information available including the value of a recent financing, reference to observable valuation measures for comparable companies (such as revenue multiples), public or private transactions (such as the sale of a comparable company), and valuations for publicly-traded comparable companies. The valuations also incorporate the General Partner’s own judgment and close familiarity with the business activities of each portfolio company. Significant increases or decreases in any of these inputs in isolation may result in a significantly lower or higher fair value measurement. The portfolio consists of securities of public and private companies, and consequently, inputs used in the fair value calculation are classified as Level 3. The Company did not record an other-than-temporary impairment of this investment in 2014, 2013, or 2012.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Non-financial Assets that are Measured at Fair Value on a Non-recurring Basis

Non-financial assets such as property, plant, and equipment, intangible assets, and goodwill are required to be measured at fair value only when an impairment loss is recognized. The Company did not record an impairment charge related to these assets in 2014, 2013, or 2012.

NOTE 4:  Cash, Cash Equivalents, and Investments

Cash, cash equivalents, and investments consisted of the following (in thousands):

	December 31,
	2014		2013
Cash	$	54,917	$	40,124
Money market instruments	777		520
Cash and cash equivalents	55,694		40,644
Euro liquidity fund	48,235		—
Corporate bonds	30,889		109,040
Agency bonds	6,883		1,499
Supranational bonds	1,901		—
Asset-backed securities	1,311		53,559
Municipal bonds	1,237		9,276
Sovereign bonds	—		11,448
Short-term investments	90,456		184,822
Corporate bonds	216,294		109,909
Treasury bills	90,412		73,666
Asset-backed securities	62,556		21,820
Sovereign bonds	13,461		16,385
Agency bonds	9,566		—
Municipal bonds	6,600		5,919
Limited partnership interest (accounted for using cost method)	1,956		1,956
Long-term investments	400,845		229,655
	$	546,995	$	455,121

The Company’s cash balance included foreign bank balances totaling $43,732,000 and $32,096,000 as of December 31, 2014 and 2013, respectively.

The Euro liquidity fund invests in a portfolio of investment-grade bonds; corporate bonds consist of debt securities issued by both domestic and foreign companies; agency bonds consist of domestic or foreign obligations of government agencies and government- sponsored enterprises that have government backing; supranational bonds consist of direct debt issued by two or more foreign central governments; asset-backed securities consist of debt securities collateralized by pools of receivables or loans with credit enhancement; municipal bonds consist of debt securities issued by state and local government entities; treasury bills consist of debt securities issued by both the U.S. and foreign governments; and sovereign bonds consist of direct debt issued by foreign governments. The Euro liquidity fund is denominated in Euros, and the remaining securities are denominated in U.S. Dollars.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following tables summarize the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Short-term:
Euro liquidity fund	$	48,229	$	6	$	—		$	48,235
Corporate bonds	30,842		50		(3		)	30,889
Agency bonds	6,883		—		—			6,883
Supranational bonds	1,900		1		—			1,901
Asset-backed securities	1,311		—		—			1,311
Municipal bonds	1,232		5		—			1,237
Long-term:
Corporate bonds	216,404		442		(552		)	216,294
Treasury bills	90,458		8		(54		)	90,412
Asset-backed securities	62,590		18		(52		)	62,556
Sovereign bonds	13,461		11		(11		)	13,461
Agency bonds	9,570		4		(8		)	9,566
Municipal bonds	6,567		33		—			6,600
	$	489,447	$	578	$	(680	)	$	489,345

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of December 31, 2014 (in thousands):

	Unrealized Loss Position For Less than 12 Months					Unrealized Loss Position For Greater than 12 Months					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate bonds	$	126,038	$	(555	)	$	—	$	—		$	126,038	$	(555	)
Treasury bills	70,901		(54		)	—		—			70,901		(54		)
Asset-backed securities	33,603		(36		)	3,487		(16		)	37,090		(52		)
Agency bonds	7,135		(8		)	—		—			7,135		(8		)
Sovereign bonds	6,553		(11		)	—		—			6,553		(11		)
	$	244,230	$	(664	)	$	3,487	$	(16	)	$	247,717	$	(680	)

As of December 31, 2014, the Company did not recognize an other-than-temporary impairment of these investments. In its evaluation, management considered the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our intent and ability to hold the security to expected recovery of value, and other meaningful information. The Company does not intend to sell, and is unlikely to be required to sell, any of these available-for-sale investments before its effective maturity or market price recovery.

The Company recorded gross realized gains on the sale of debt securities totaling $843,000 in 2014, $508,000 in 2013, and $1,990,000 in 2012, and gross realized losses on the sale of debt securities totaling $170,000 in 2014, $194,000 in 2013, and $295,000 in 2012. These gains and losses are included in "Investment income" on the Consolidated Statement of Operations. Prior to the sale of these securities, unrealized gains and losses for these debt securities, net of tax, are recorded in shareholders’ equity as other comprehensive income (loss).

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	<1 Year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		5-8 Years		Total
Corporate bonds	$	30,889	$	82,238	$	97,921	$	19,718	$	16,417	$	—	$	247,183
Treasury bills	—		85,629		4,783		—		—		—		90,412
Asset-backed securities	1,311		4,788		19,542		23,815		8,967		5,444		63,867
Euro liquidity fund	48,235		—		—		—		—		—		48,235
Agency bonds	6,883		4,506		5,060		—		—		—		16,449
Sovereign bonds	—		9,768		3,693		—		—		—		13,461
Municipal bonds	1,237		1,719		4,881		—		—		—		7,837
Supranational bonds	1,901		—		—		—		—		—		1,901
	$	90,456	$	188,648	$	135,880	$	43,533	$	25,384	$	5,444	$	489,345

The Company is a Limited Partner in Venrock Associates III, L.P. (Venrock), a venture capital fund. The Company has committed to a total investment in the limited partnership of up to $20,500,000, with the commitment period expiring December 31, 2015. As of December 31, 2014, the Company contributed $19,886,000 to the partnership. The remaining commitment of $614,000 can be called by Venrock at any time before December 31, 2015. Contributions and distributions are at the discretion of Venrock’s management. No contributions were made and no distributions were received in 2014. The Company received stock distributions totaling $362,000 in 2013 and $2,193,000 in 2012. The Company immediately liquidated these stocks for proceeds of $347,000 and $2,128,000, respectively, resulting in realized losses of $15,000 and $65,000 in 2013 and 2012, respectively. Cash distributions in the amount of $1,422,000 were also received in 2013. All distributions are accounted for as return of capital. As of December 31, 2014, the carrying value of this investment was $1,956,000 compared to an estimated fair value of $6,200,000.

In 2012, the Company purchased stock in a publicly-traded U.S. Company for $2,136,000, which was accounted for as a trading security. As of December 31, 2012, the Company recorded an unrealized loss of $5,000 on this investment. In 2013, the Company sold all shares of this security at an aggregate fair value of $1,429,000, resulting in a realized loss of $702,000.

NOTE 5:  Inventories

Inventories consisted of the following (in thousands):

	December 31,
	2014		2013
Raw materials	$	23,498	$	13,101
Work-in-process	5,753		4,472
Finished goods	6,285		8,121
	$	35,536	$	25,694

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 6:   Property, Plant, and Equipment

Property, plant, and equipment consisted of the following (in thousands):

	December 31,
	2014			2013
Land	$	3,951		$	3,951
Buildings	23,815			18,371
Building improvements	20,985			15,711
Leasehold improvements	5,738			5,185
Computer hardware and software	31,816			29,353
Manufacturing test equipment	15,133			14,715
Furniture and fixtures	4,130			3,917
	105,568			91,203
Less: accumulated depreciation	(57,661		)	(54,067		)
	$	47,907		$	37,136

On December 29, 2014, the Company purchased a building in Cork, Ireland for 4,500,000 Euros (approximately $5,444,000) where the Company had previously leased space for several years and that serves as the distribution center for MVSD customers outside of the Americas. 450,000 Euros of the purchase price was paid in December 2014. The remaining 4,050,000 Euros were paid in early February 2015 and is included in "Accounts payable" on the Consolidated Balance Sheet at December 31, 2014.

The cost of property, plant, and equipment totaling $2,620,000 and $1,616,000 was removed from both the asset and accumulated depreciation balances in 2014 and 2013, respectively. Losses on these disposals were immaterial in both periods.

Buildings include rental property with a cost basis of $5,750,000 as of December 31, 2014 and 2013, and accumulated depreciation of $2,627,000 and $2,480,000 as of December 31, 2014 and 2013, respectively.

NOTE 7:   Intangible Assets

Amortized intangible assets consisted of the following (in thousands):

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	31,765	$	6,295
Customer contracts and relationships	6,690		5,877		813
Completed technologies	4,420		877		3,543
Other	370		322		48
Balance as of December 31, 2014	$	49,540	$	38,841	$	10,699
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	28,479	$	9,581
Customer contracts and relationships	6,690		5,661		1,029
Completed technologies	4,420		407		4,013
Other	370		270		100
Balance as of December 31, 2013	$	49,540	$	34,817	$	14,723

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Estimated amortization expense for each of the five succeeding fiscal years and thereafter is as follows (in thousands):

Year Ending December 31,	Amount
2015	$	4,366
2016	3,427
2017	1,618
2018	913
2019	375
Thereafter	—
	$	10,699

NOTE 8:  Goodwill

The Company has two reporting units with goodwill, the Modular Vision Systems Division (MVSD) and the Surface Inspection Systems Division (SISD), which are also reportable segments.

The changes in the carrying value of goodwill were as follows (in thousands):

	MVSD		SISD		Consolidated
Balance as of December 31, 2012	$	77,388	$	4,301	$	81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2013	77,388		4,301		81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2014	$	77,388	$	4,301	$	81,689

For its 2014 analysis of goodwill, management elected to perform a qualitative assessment. Based upon this assessment, management does not believe that it is more likely than not that the carrying value of either reporting unit exceeds its fair value. Factors that management considered in this assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management took into consideration the goodwill valuation performed under the last quantitative analysis as of October 4, 2010. At that date, the fair value of the MVSD unit exceeded its carrying value by approximately 208%, while the fair value of the SISD unit exceeded its carrying value by approximately 119%. As of December 31, 2014, management does not believe any qualitative factors exist that would change the conclusion of their assessment.

NOTE 9:  Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2014		2013
Company bonuses	$	9,294	$	6,880
Salaries, commissions, and payroll taxes	5,802		6,111
Vacation	5,076		4,598
Warranty obligations	4,494		3,016
Foreign retirement obligations	3,626		3,726
Japanese consumption taxes	2,286		1,372
Other	9,371		8,628
	$	39,949	$	34,331

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The changes in the warranty obligation were as follows (in thousands):

Balance as of December 31, 2012	$	2,256
Provisions for warranties issued during the period	2,770
Fulfillment of warranty obligations	(2,114		)
Foreign exchange rate changes	104
Balance as of December 31, 2013	3,016
Provisions for warranties issued during the period	5,250
Fulfillment of warranty obligations	(3,354		)
Foreign exchange rate changes	(418		)
Balance as of December 31, 2014	$	4,494

NOTE 10:  Commitments and Contingencies

Commitments

As of December 31, 2014, the Company had outstanding purchase orders totaling $4,748,000 to purchase inventory from various vendors. Certain of these purchase orders may be canceled by the Company, subject to cancellation penalties. These purchase commitments relate to expected sales in 2015.

The Company conducts certain of its operations in leased facilities. These lease agreements expire at various dates through 2023 and are accounted for as operating leases. Certain of these leases contain renewal options, retirement obligations, escalation clauses, rent holidays, and leasehold improvement incentives. Annual rental expense totaled $6,021,000 in 2014, $5,772,000 in 2013, and $5,806,000 in 2012. Future minimum rental payments under these agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	5,315
2016	3,309
2017	2,050
2018	1,490
2019	1,416
Thereafter	2,217
	$	15,797

The Company owns buildings adjacent to its corporate headquarters that are currently occupied with tenants who have lease agreements that expire at various dates through 2021. Annual rental income totaled $1,794,000 in 2014, $676,000 in 2013, and $854,000 in 2012. Rental income and related expenses are included in “Other income (expense)” on the Consolidated Statements of Operations. Future minimum rental receipts under non-cancelable lease agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	1,678
2016	1,675
2017	1,415
2018	1,009
2019	1,035
Thereafter	1,417
	$	8,229

Contingencies

In May 2008, the Company filed a complaint against MvTec Software GmbH, MvTec LLC, and Fuji America Corporation in the United States District Court for the District of Massachusetts alleging infringement of certain patents owned by the Company. In May 2014, the parties mutually agreed to dismiss this action with prejudice. This matter is now closed.

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In May 2009, the Company pre-filed a complaint with the United States International Trade Commission (ITC) pursuant to Section 337 of the Tariff Act of 1930, as amended, 19 U.S.C. §1337, against MvTec Software GmbH, MvTec LLC, Fuji America, and several other respondents alleging unfair methods of competition and unfair acts in the unlawful importation into the United States, sale for importation, or sale within the United States after importation. By this filing, the Company requested the ITC to investigate the Company’s contention that certain machine vision software, machine vision systems, and products containing the same infringe, and respondents directly infringe and/or actively induce and/or contribute to the infringement in the United States, of one or more of the Company’s U.S. patents. In September 2009, the Company reached a settlement with two of the respondents, and in December 2009, the Company reached a settlement with five additional respondents. In March 2010, the Company reached a settlement with respondent Fuji Machine Manufacturing Co., Ltd. and its subsidiary Fuji America Corporation. These settlements did not have a material impact on the Company’s financial results. An ITC hearing was held in May 2010. In July 2010, the Administrative Law Judge issued an initial determination finding two of the Company’s patents invalid and that respondents did not infringe the patents-at-issue. In September 2010, the ITC issued a notice that it would review the initial determination of the Administrative Law Judge. The ITC issued its Final Determination in November 2010 in which it determined to modify-in-part and affirm-in-part the Administrative Law Judge’s determination, and terminate the investigation with a finding of no violation of Section 337 of the Tariff Act of 1930 (as amended 19 U.S.C. §1337). The Company filed an appeal of the decision with the United States Court of Appeals for the Federal Circuit. An oral hearing before the United States Court of Appeals occurred in February 2012. In December 2013, the Federal Circuit affirmed the ITC’s finding of non-infringement, and therefore did not also need to address the ITC’s finding regarding validity. This matter is now closed.

In March 2013, the Company filed a lawsuit against Microscan Systems, Inc. (“Microscan”) and Code Corporation in the United States District Court for the Southern District of New York alleging that Microscan’s Mobile Hawk handheld imager infringes U.S. Patent 7,874,487 owned by the Company (the “'487 patent”). The lawsuit sought to prohibit Code Corporation from manufacturing the product, and Microscan from selling and distributing the product. The Company also sought monetary damages resulting from the alleged infringement. Late in the day on April 30, 2014, the jury found that Microscan willfully infringed the ‘487 patent and awarded Cognex $2.6 million in damages. Following the verdict, Microscan filed motions requesting judgment as a matter of law on the issues of infringement, invalidity, and willfulness, as well as a motion to dismiss for lack of standing. The Company filed motions seeking treble damages (based on the finding of willfulness), attorneys’ fees as an exceptional case, and a permanent injunction against future infringement of the ‘487 patent and the import, manufacture and/or sale of Microscan’s Mobile Hawk product within the U.S. In June 2014, the court issued an order denying all of Microscan’s motions and the Company’s motion for treble damages, while granting the Company’s motion for permanent injunction (limited to enjoining future infringement of the ‘487 patent and the import, manufacture and/or sale of infringingversionsofMicroscan’s Mobile Hawk product within the U.S.) and the Company’s motion for attorneys’ fees, in part, pending a determination thereof following submission of supplemental briefs by both parties. In July 2014, Microscan filed a Notice of Appeal with the Federal Circuit appealing all orders, findings, and/or conclusions of the District Court that were adverse to Microscan. In August 2014, the Company filed a Notice of Appeal with the Federal Circuit appealing the order granting summary judgment that claims 23, 28, and 29 of the ’487 patent are invalid. Also in August 2014, the Federal Circuit consolidated Microscan’s appeal and the Company’s appeal. In November 2014, the Company filed an unopposed motion to dismiss the Company's appeal, and in December 2014, the Court of Appeals granted the Company's motion to dismiss the Company's appeal. In January 2015, Microscan submitted their appeal brief asserting that the damage award should be vacated, the infringement judgment should be reversed, and that the remaining '487 claims are invalid.

In August 2014, Microscan filed a lawsuit against the Company in the United States District Court for the Southern District of New York alleging that the Company’s DataMan^® 8500 handheld imager infringes U.S. Patent 6,352,204 (the “'204 patent”). The lawsuit sought to prohibit the Company from manufacturing, selling, and distributing the DataMan^® 8500 product. Microscan also sought monetary damages resulting from the alleged infringement. In September 2014, the Company filed an Answer to the Complaint denying all allegations and asserting in a counterclaim that the ’204 patent is invalid. In October 2014, the Company filed an Amended Answer further explaining its counterclaim of invalidity. Also in October 2014, Microscan filed an Amended Complaint alleging that the Company’s DataMan^® 7500 and DataMan^® 8600 also infringe the ’204 patent. The Company subsequently responded in October 2014 with its Answer to the Amended Complaint. In December 2014, a Markman hearing regarding the legal construction of the relevant patent claim terms was held. In January 2015, the Court issued an order construing such patent claim terms, as the case continues to proceed. In early February 2015, the Company submitted summary judgment motions. Trial is scheduled to begin in April 2015. This matter is ongoing.

The Company cannot predict the outcome of the above-referenced pending matter and an adverse resolution of this lawsuit could have a material adverse effect on the Company’s financial position, liquidity, results of operations, and/or indemnification obligations. In addition, various other claims and legal proceedings generally incidental to the normal

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

course of business are pending or threatened on behalf of or against the Company. While we cannot predict the outcome of these incidental matters, we believe that any liability arising from them will not have a material adverse effect on our financial position, liquidity, or results of operations.

NOTE 11: Guarantees

In the ordinary course of business, the Company enters into guarantee contracts with certain customers, generally in the Company’s Surface Inspection Systems Division (SISD) business. These guarantees are collateralized by standby letters of credit (LOC) which can be grouped into three categories: (1) bank guarantees which may require the Company to return a customer’s initial payment if the Company cannot deliver the order; (2) warranty bonds which may require the Company to resolve warranty issues within a specified time period; and (3) performance bonds which include a combination of the above two options. The type of LOC is generally determined based upon customer request and the guarantee amount represents the maximum potential amount of future payments. All of the Company’s LOCs are with the same counterparty and they do not contain any recourse provisions or collateral obligations.

The following table details the letters of credit outstanding as of December 31, 2014 (in thousands):

Type	Guarantee Amount		Guarantee due date
Bank Guarantees	$	990	Various from January 2015 to August 2016
Warranty Bonds	713		Various from January 2015 to October 2016
Performance Bonds	424		Various from January 2015 to December 2017
	$	2,127

The Company evaluates losses for guarantees under accounting for contingencies. The Company considers such factors as the degree of probability that the Company would be required to satisfy the liability and the ability to make a reasonable estimate of the loss. To date, the Company has not incurred any losses as a result of these obligations, and therefore, has not recorded any liability related to such obligation in its financial statements. The fair value of the Company’s outstanding guarantees is immaterial for all periods presented.

NOTE 12:  Indemnification Provisions

Except as limited by Massachusetts law, the by-laws of the Company require it to indemnify certain current or former directors, officers, and employees of the Company against expenses incurred by them in connection with each proceeding in which he or she is involved as a result of serving or having served in certain capacities. Indemnification is not available with respect to a proceeding as to which it has been adjudicated that the person did not act in good faith in the reasonable belief that the action was in the best interests of the Company. The maximum potential amount of future payments the Company could be required to make under these provisions is unlimited. The Company has never incurred significant costs related to these indemnification provisions. As a result, the Company believes the estimated fair value of these provisions is minimal.

In the ordinary course of business, the Company may accept standard limited indemnification provisions in connection with the sale of its products, whereby it indemnifies its customers for certain direct damages incurred in connection with third-party patent or other intellectual property infringement claims with respect to the use of the Company’s products. The term of these indemnification provisions generally coincides with the customer’s use of the Company’s products. The maximum potential amount of future payments the Company could be required to make under these provisions is generally subject to fixed monetary limits. The Company has never incurred significant costs to defend lawsuits or settle claims related to these indemnification provisions. As a result, the Company believes the estimated fair value of these provisions is minimal.

In the ordinary course of business, the Company also accepts limited indemnification provisions from time to time, whereby it indemnifies customers for certain direct damages incurred in connection with bodily injury and property damage arising from the installation of the Company’s products. The term of these indemnification provisions generally coincides with the period of installation. The maximum potential amount of future payments the Company could be required to make under these provisions is generally limited and is likely recoverable under the Company’s insurance policies. As a result of this coverage, and the fact that the Company has never incurred significant costs to defend lawsuits or settle claims related to these indemnification provisions, the Company believes the estimated fair value of these provisions is minimal.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 13:  Derivative Instruments

The Company’s foreign currency risk management strategy is principally designed to mitigate the potential financial impact of changes in the value of transactions and balances denominated in foreign currencies resulting from changes in foreign currency exchange rates. Currently, the Company enters into two types of hedges to manage this risk. The first are economic hedges which utilize foreign currency forward contracts with maturities of up to 45 days to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. These economic hedges are not designated as hedging instruments for hedge accounting treatment. The second are cash flow hedges which utilize foreign currency forward contracts with maturities of up to 18 months to hedge specific forecasted transactions of the Company's foreign subsidiaries with the goal of protecting our budgeted revenues and expenses against foreign currency exchange rate changes compared to our budgeted rates. These cash flow hedges are designated as hedging instruments for hedge accounting treatment.

The Company had the following outstanding forward contracts (in thousands):

	As of December 31, 2014			As of December 31, 2013
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Designated as Hedging Instruments:
Japanese Yen	1,225,000	$	10,211	625,000	$	6,122
Hungarian Forint	803,000	3,099		570,175	2,603
Singapore Dollar	3,515	2,564		2,867	2,346
British Pound	491	732		613	1,010
Canadian Dollar	758	688		985	932
Derivatives Not Designated as Hedging Instruments:
Japanese Yen	535,000	$	4,464	294,500	$	2,797
British Pound	1,400	2,183		1,100	1,820
Hungarian Forint	410,000	1,569		123,000	568
Singapore Dollar	1,225	922		—	—
Taiwanese Dollar	28,000	883		27,000	908
Korean Won	940,000	858		650,000	620
Euro	—	—		2,828	3,887
Chinese Yuan	—	—		9,000	1,467
Brazilian Real	—	—		250	106

Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):

	Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
		December 31, 2014		December 31, 2013			December 31, 2014		December 31, 2013
Derivatives Designated as Hedging Instruments:
Cash flow hedge forward contracts	Prepaid expenses and other current assets	$	108	$	204	Accrued expenses	$	84	$	98
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	6	$	6	Accrued expenses	$	13	$	24

59

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The table below details the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):

Asset Derivatives						Liability Derivatives
	December 31, 2014			December 31, 2013			December 31, 2014			December 31, 2013
Gross amounts of recognized assets	$	188		$	210	Gross amounts of recognized liabilities	$	149		$	122
Gross amounts offset	(74		)	—		Gross amounts offset	(52		)	—
Net amount of assets presented	$	114		$	210	Net amount of liabilities presented	$	97		$	122

Information regarding the effect of derivative instruments, net of the underlying exposure, on the consolidated financial statements was as follows (in thousands):

	Location in Financial Statements
		2014			2013			2012
Derivatives Designated as Hedging Instruments:
Gains (losses) recorded in shareholders' equity (effective portion)	Accumulated other comprehensive income (loss), net of tax	$	32		$	104		$	—
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion)	Product revenue	(14		)	—			—
	Research, development, and engineering expenses	(42		)	—			—
	Selling, general, and administrative expenses	10			—			—
	Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations	$	(46	)	$	—		$	—
Gains (losses) recognized in current operations (ineffective portion and discontinued derivatives)	Foreign currency gain (loss)	$	—		$	—		$	—
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	540		$	(193	)	$	(722	)

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table provides the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):

Balance as of December 31, 2013	$	104
Reclassification of net realized loss on cash flow hedges into current operations	46
Net unrealized loss on cash flow hedges	(118		)
Balance as of December 31, 2014	$	32

Net gains expected to be reclassified from accumulated other comprehensive income (loss), net of tax, into current operations within the next twelve months are $47,000.

NOTE 14:  Shareholders’ Equity

Preferred Stock

The Company has 400,000 shares of authorized but unissued $.01 par value preferred stock.

Common Stock

Each outstanding share of common stock entitles the record holder to one vote on all matters submitted to a vote of the Company’s shareholders. Common shareholders are also entitled to dividends when and if declared by the Company’s Board of Directors.

In July 2013, the Company’s Board of Directors declared a two-for-one stock split, effected in the form of a stock dividend, on the shares of the Company’s common stock. Each shareholder of record on August 26, 2013, received an additional share of common stock for each share of common stock then held. The stock was distributed on September 16, 2013. The Company retained the current par value of $0.002 per share for all shares of common stock. Shareholders’ equity reflects the stock split by reclassifying from “Additional paid-in capital” to “Common stock” an amount equal to the par value of the additional shares arising from the split. All references in the financial statements to the number of shares outstanding, number of shares repurchased, per-share amounts, and stock option data related to the Company’s common stock have been restated to reflect the effect of the stock split for all periods presented.

Shareholder Rights Plan

The Company has adopted a Shareholder Rights Plan, the purpose of which is, among other things, to enhance the Board of Directors’ ability to protect shareholder interests and to ensure that shareholders receive fair treatment in the event any coercive takeover attempt of the Company is made in the future. The Shareholder Rights Plan could make it more difficult for a third party to acquire, or could discourage a third party from acquiring, the Company or a large block of the Company’s common stock. The following summary description of the Shareholder Rights Plan does not purport to be complete and is qualified in its entirety by reference to the Company’s Shareholder Rights Plan, which has been previously filed by the Company with the Securities and Exchange Commission as an exhibit to a Registration Statement on Form 8-A filed on December 5, 2008.

In connection with the adoption of the Shareholder Rights Plan, the Board of Directors of the Company declared a dividend distribution of one purchase right (a “Right”) for each outstanding share of common stock to shareholders of record as of the close of business on December 5, 2008. The Rights currently are not exercisable and are attached to and trade with the outstanding shares of common stock. Under the Shareholder Rights Plan, the Rights become exercisable if a person becomes an “acquiring person” by acquiring 15% or more of the outstanding shares of common stock or if a person commences a tender offer that would result in that person owning 15% or more of the common stock. If a person becomes an “acquiring person,” each holder of a Right (other than the acquiring person) would be entitled to purchase, at the then-current exercise price, such number of shares of the Company’s preferred stock which are equivalent to shares of common stock having twice the exercise price of the Right. If the Company is acquired in a merger or other business combination transaction after any such event, each holder of a Right would then be entitled to purchase, at the then-current exercise price, shares of the acquiring company’s common stock having a value of twice the exercise price of the Right.

Stock Repurchase Program

In April 2008, the Company’s Board of Directors authorized the repurchase of up to $50,000,000 of the Company’s common stock, primarily as a means to reduce the dilutive effect of employee stock options. Stock repurchases under this program were completed in 2013. In November 2011, the Company’s Board of Directors authorized the repurchase of up to $80,000,000 of the Company’s common stock. Purchases under this 2011 program began in 2013 upon

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

completion of the 2008 program. As of December 31, 2014, the Company had repurchased a total of 2,243,000 shares at a cost of $80,000,000 under the 2011 program, including 1,351,000 shares at a cost of $52,095,000 in 2014. Stock repurchases under this program are now complete. In April 2014, the Company's Board of Directors authorized the repurchase of an additional $50,000,000 of the Company's common stock. Purchases under this 2014 program began in the fourth quarter of 2014 upon completion of the 2011 program. In 2014, the Company repurchased a total of 183,000 shares at a cost of $7,578,000 under this 2014 program. The Company may repurchase shares under this program in future periods depending on a variety of factors, including, among other things, the impact of dilution from employee stock options, stock price, share availability, and cash requirements.

Dividends

In December 2012, the Company’s Board of Directors declared and paid a dividend of $0.055 per share that would typically have been declared in the first quarter of 2013 in conjunction with the 2012 earnings release. A special dividend of $0.50 per share was also declared and paid in December 2012 to replace expected quarterly dividend declarations for the next eight quarters, beginning in 2013. The additional $0.055 dividend and the $0.50 dividend were accelerated due to the anticipated increase in the federal tax on dividends paid after December 31, 2012. Due to the accelerated payments, no cash dividends were declared or paid in 2013 or 2014. Future dividends will be declared at the discretion of the Company's Board of Directors and will depend upon such factors as the Board deems relevant, including, among other things, the Company's ability to generate positive cash flow from operations.

NOTE 15:  Stock-Based Compensation

Stock Option Plans

The Company’s share-based payments that result in compensation expense consist of stock option grants and restricted stock awards. As of December 31, 2014, the Company had 9,203,289 shares available for grant. Generally, stock options are granted with an exercise price equal to the market value of the Company’s common stock at the grant date, vest over four years based upon continuous service, and expire ten years from the grant date. Restricted stock awards are granted with an exercise price equal to the market value of the Company's common stock at the time of grant. Conditions of the award may be based upon continuing employment and/or achievement of pre-established performance goals and objectives. Vesting for performance-based restricted stock awards and time-based restricted stock awards must be greater than one year and three years, respectively.

The following table summarizes the Company’s stock option activity for the year ended December 31, 2014:

	Shares (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2013	6,138		$	15.65
Granted	2,115		39.49
Exercised	(1,232	)	13.74
Forfeited or expired	(209	)	20.12
Outstanding as of December 31, 2014	6,812		$	23.26	7.28	$	123,252
Exercisable as of December 31, 2014	2,208		$	13.38	5.23	$	61,711
Options vested or expected to vest at   December 31, 2014 (1)	6,098		$	22.04	7.08	$	117,733

(1) In addition to the vested options, the Company expects a portion of the unvested options to vest at some point in the future. Options expected to vest are calculated by applying an estimated forfeiture rate to the unvested options.

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COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The fair values of stock options granted in each period presented were estimated using the following weighted-average assumptions:

	Year Ended December 31,
	2014		2013		2012
Risk-free rate	2.6	%	2.0	%	2.0	%
Expected dividend yield	—	%	—	%	1.2	%
Expected volatility	41	%	42	%	44	%
Expected term (in years)	5.4		5.8		5.7

Risk-free rate

The risk-free rate was based upon a treasury instrument whose term was consistent with the contractual term of the option.

Expected dividend yield

Generally, the current dividend yield is calculated by annualizing the cash dividend declared by the Company’s Board of Directors and dividing that result by the closing stock price on the grant date.  However, in the fourth quarter of 2012, the Company paid the full annual dividends for 2013 and 2014 in advance, and therefore, the dividend yield for those years has been adjusted to zero.  A dividend yield of 0.56% was estimated for future periods from 2015 through the expected life of the option.

Expected volatility

The expected volatility was based upon a combination of historical volatility of the Company’s common stock over the contractual term of the option and implied volatility for traded options of the Company’s stock.

Expected term

The expected term was derived from the binomial lattice model from the impact of events that trigger exercises over time.

The Company stratifies its employee population into two groups: one consisting of senior management and another consisting of all other employees. The Company currently expects that approximately 72% of its stock options granted to senior management and 70% of its options granted to all other employees will actually vest. Therefore, the Company currently applies an estimated forfeiture rate of 11% to all unvested options for senior management and a rate of 12% for all other employees. The Company revised its estimated forfeiture rates in the first quarter of2014, 2013 and 2012, resulting in an increase to compensation expense of $288,000, $300,000, and $200,000 in 2014, 2013, and 2012, respectively.

The weighted-average grant-date fair value of stock options granted was $15.97 in 2014, $8.21 in 2013, and $6.58 in 2012.

The total intrinsic value of stock options exercised was $31,884,000 in 2014, $32,096,000 in 2013, and $16,296,000 in 2012. The total fair value of stock options vested was $11,627,000 in 2014, $9,717,000 in 2013, and $9,362,000 in 2012.

As of December 31, 2014, total unrecognized compensation expense related to non-vested stock options was $19,389,000, which is expected to be recognized over a weighted-average period of 1.58 years.

The following table summarizes the Company's restricted stock activity for the year ended December 31, 2014:

	Shares (in thousands)	Weighted-Average Exercise Price		Aggregate Intrinsic Value (in thousands)
Nonvested as of December 31, 2013	—	$	—
Granted	20	34.05
Vested	—	—
Forfeited or expired	—	—
Nonvested as of December 31, 2014	20	$	34.05	$	146

63

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The fair values of restricted stock awards granted were determined based upon the market value of the Company's common stock at the time of grant. The initial cost is then amortized over the period of vesting until the restrictions lapse. These restricted shares will be fully vested in 2018. Participants are entitled to dividends on restricted stock awards, but only receive those amounts if the shares vest. The sale or transfer of these shares is restricted during the vesting period.

The total stock-based compensation expense and the related income tax benefit recognized was $15,158,000 and $4,977,000, respectively, in 2014, $10,620,000 and $3,482,000, respectively, in 2013, and $8,520,000 and $2,772,000, respectively, in 2012. No compensation expense was capitalized in 2014, 2013, or 2012.

The following table details the stock-based compensation expense by caption for each period presented on the Consolidated Statements of Operations (in thousands):

	Year Ended December 31,
	2014		2013		2012
Product cost of revenue	$	1,033	$	747	$	581
Service cost of revenue	171		177		161
Research, development, and engineering	3,832		2,585		2,149
Selling, general, and administrative	10,122		7,111		5,629
	$	15,158	$	10,620	$	8,520

NOTE 16:  Employee Savings Plan

Under the Company’s Employee Savings Plan, a defined contribution plan, U.S. employees who have attained age 21 may contribute up to 25% of their salary on a pretax basis subject to the annual dollar limitations established by the Internal Revenue Service. The Company currently contributes fifty cents for each dollar an employee contributes, with a maximum contribution of 3% of an employee’s pretax salary. Company contributions vest 20%, 40%, 60%, and 100% after two, three, four, and five years of continuous employment with the Company, respectively. Company contributions totaled $1,555,000 in 2014, $1,423,000 in 2013, and $1,362,000 in 2012. Cognex stock is not an investment alternative and Company contributions are not made in the form of Cognex stock.

NOTE 17:  Taxes

Domestic income before taxes was $41,226,000 in 2014, $29,576,000 in 2013, and $36,754,000 in 2012. Foreign income before taxes was $106,171,000 in 2014, $58,310,000 in 2013, and $49,876,000 in 2012.

The provision for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2014			2013		2012
Current:
Federal	$	23,484		$	8,720	$	11,284
State	973			721		789
Foreign	4,854			3,167		5,790
	29,311			12,608		17,863
Deferred:
Federal	(2,569		)	1,580		428
State	7			119		36
Foreign	(837		)	6		205
	(3,399		)	1,705		669
	$	25,912		$	14,313	$	18,532

64

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

A reconciliation of the United States federal statutory corporate tax rate to the Company’s effective tax rate was as follows:

	Year Ended December 31,
	2014		2013		2012
Income tax provision at federal statutory rate	35	%	35	%	35	%
State income taxes, net of federal benefit	1		1		1
Foreign tax rate differential	(17	)	(17	)	(14	)
Tax credit	—		(1	)	—
Discrete tax events	(1	)	(3	)	—
Other	—		1		(1	)
Income tax provision	18	%	16	%	21	%

The effective tax rate for 2014 included the impact of the following discrete events: (1) a decrease in tax expense of $674,000 from the final true-up of the prior year's tax accrual upon filing the actual returns, (2) a decrease in tax expense of $217,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (3) a decrease in tax expense of $553,000, which includes $296,000 for the release of certain tax reserves, related to the closing of the Internal Revenue Service audit of the Company for tax years 2010 and 2011, and (4) a decrease in tax expense, net of reserves, of $757,000 from the retroactive application of the 2014 research and development tax credit. The Tax Increase Prevention Act of 2014 was passed by Congress in December 2014 and the provisions under this act are to be applied retroactively to January 1, 2014. Interest and penalties included in these amounts was a decrease to tax expense of $46,000.

The effective tax rate for 2013 included the impact of the following discrete events: (1) a decrease in tax expense of $1,790,000 from the expiration of the statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $267,000 from the final true-up of the prior year’s tax accrual upon filing the actual tax returns, and (3) a decrease in tax expense of $555,000 from the retroactive application of the 2012 research and development credit. The American Taxpayer Relief Act of 2012 was passed by Congress and signed into law on January 1, 2013 and the provisions under this act are to be applied retroactively to January 1, 2012. As a result of the law being signed on January 1, 2013, the financial impact of the retroactive provision was recorded as a discrete event in the first quarter of 2013. Interest and penalties included in these amounts was a decrease to tax expense of $854,000.

The effective tax rate for 2012 included the impact of the following discrete events: (1) a decrease in tax expense of $441,000 from the expiration of the statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $101,000 from the write-down of a noncurrent deferred tax asset based upon a change in the tax rate in Japan, and (3) an increase in tax expense of $84,000 from the final true-up of the prior year's tax accrual upon filing the actual tax returns. Interest and penalties included in these amounts was a decrease to tax expense of $58,000.

65

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The changes in the reserve for income taxes, excluding gross interest and penalties, were as follows (in thousands):

Balance of reserve for income taxes as of December 31, 2012	$	4,024
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in prior periods	438
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,048
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	—
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(1,102		)
Balance of reserve for income taxes as of December 31, 2013	4,408
Gross amounts of decreases in unrecognized tax benefits as a result of tax positions taken in prior periods	(226		)
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,095
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(15		)
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(135		)
Balance of reserve for income taxes as of December 31, 2014	$	5,127

In the first quarter of 2014, management adopted Accounting Standards Update (ASU) 2013-11, "Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." This ASU requires companies to present an unrecognized tax benefit, or a portion thereof, as a reduction to a deferred tax asset for a net operating loss (NOL) carryforward or a similar tax loss or tax credit carryforward. In the first quarter of 2014, the Company reclassified a reserve for income taxes of $1,028,000 as a reduction to noncurrent deferred tax assets in compliance with this new guidance. Retroactive application was not required under this ASU, and therefore, prior periods were not restated.

The Company’s reserve for income taxes, including gross interest and penalties, was $5,651,000 as of December 31, 2014, which included $4,623,000 classified as a noncurrent liability and $1,028,000 recorded as a reduction to noncurrent deferred tax assets. The reserve for income taxes, including gross interest and penalties, was $4,765,000, as of December 31, 2013, all of which was classified as a noncurrent liability. The amount of gross interest and penalties included in these balances was $524,000 and $357,000 as of December 31, 2014 and December 31, 2013, respectively. If the Company’s tax positions were sustained or the statutes of limitations related to certain positions expired, these reserves would be released and income tax expense would be reduced in a future period. As a result of the expiration of certain statutes of limitations, there is a potential that a portion of these reserves could be released, which would decrease income tax expense by approximately $900,000 to $1,000,000 over the next twelve months.

The Company has defined its major tax jurisdictions as the United States, Ireland, China, and Japan, and within the United States, Massachusetts and California. Within the United States, the tax years 2012 through 2013 remain open to examination by the Internal Revenue Service, while the tax years 2011 through 2013 remain open to various state taxing authorities, and the tax years 2010 through 2013 remain open to examination by various taxing authorities in other jurisdictions in which the Company operates.

In 2010, the Company concluded its Competent Authority tax case with Japan. A settlement was finalized between Japan and Ireland as a transfer price adjustment and no finding of a permanent establishment against the Company in Japan was noted. This Competent Authority agreement closed the Company’s tax years 2002 through 2005 to future examination in Japan. In 2011, the Company finalized an Advanced Pricing Agreement (APA) with Japan that will cover tax years 2006 through 2011, with a requested extension to 2012. The Company is currently in negotiations for an APA between Japan and Ireland that will cover tax years 2014 through 2018 with retroactive application to 2013. The Company believes it is adequately reserved for these open years.

66

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Deferred tax assets consisted of the following (in thousands):

	December 31,
	2014			2013
Current deferred tax assets:
Inventory and revenue related	$	4,911		$	5,614
Bonuses, commissions, and other compensation	2,280			1,377
Other	1,794			1,292
Gross current deferred tax assets	8,985			8,283
Valuation allowance	—			(672		)
Net current deferred tax assets	$	8,985		$	7,611
Noncurrent deferred tax assets:
Stock-based compensation expense	$	10,290		$	7,488
Federal and state tax credit carryforwards	4,547			5,418
Depreciation	1,945			1,831
Acquired completed technologies and other intangible assets	450			835
Unrealized investment gains and losses	355			601
Correlative tax relief and deferred interest related to reserves	342			252
Other	1,436			1,178
Gross noncurrent deferred tax assets	19,365			17,603
Noncurrent deferred tax liabilities:
Nondeductible intangible assets	(2,430		)	(3,662		)
Other	—			(548		)
Gross noncurrent deferred tax liabilities	(2,430		)	(4,210		)
Valuation allowance	(2,483		)	(1,086		)
Net noncurrent deferred tax assets	$	14,452		$	12,307

In 2014, the Company recorded a valuation allowance of $725,000 for state research and development tax credits that were not considered to be realizable. Should these credits be utilized in a future period, the reserve associated with these credits would be reversed in the period when it is determined that the credits can be utilized to offset future state income tax liabilities. In addition, the Company had $5,575,000 of state research and development tax credit carryforwards, net of federal tax, as of December 31, 2014, which will begin to expire in 2016.

If certain of the Company’s tax liabilities were paid, the Company would receive correlative tax relief in other jurisdictions. Accordingly, the Company has recognized a deferred tax asset in the amount of $342,000 as of December 31, 2014, which represents this correlative tax relief and deferred interest.

The Company recorded certain intangible assets as a result of the acquisition of DVT Corporation in 2005. The amortization of these intangible assets is not deductible for U.S. tax purposes. A deferred tax liability was established to reflect the federal and state liability associated with not deducting the acquisition-related amortization expenses. The balance of this liability was $2,430,000 as of December 31, 2014.

While the deferred tax assets, net of valuation allowance, are not assured of realization, management has evaluated the realizability of these deferred tax assets and has determined that it is more likely than not that these assets will be realized. In reaching this conclusion, we have evaluated certain relevant criteria including the Company’s historical profitability, current projections of future profitability, and the lives of tax credits, net operating losses, and other carryforwards. Should the Company fail to generate sufficient pretax profits in future periods, we may be required to establish valuation allowances against these deferred tax assets, resulting in a charge to income in the period of determination.

The Company does not provide U.S. income taxes on its foreign subsidiaries’ undistributed earnings, as they are deemed to be permanently reinvested outside the United States. Non-U.S. income taxes are, however, provided on those foreign subsidiaries’ undistributed earnings. Upon repatriation, the Company would provide the appropriate U.S. income taxes on these earnings, net of applicable foreign tax credits. It is not practicable to determine the income tax liability that might be incurred if the earnings were to be distributed.

67

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The Company recorded $354,000 and $141,000 of other income in 2013 and 2012, respectively, upon the expiration of the statutes of limitations relating to tax holidays, during which time the Company collected value-added taxes from customers that were not required to be remitted to the government authority.

Cash paid for income taxes totaled $17,549,000 in 2014, $8,831,000 in 2013, and $13,551,000 in 2012.

NOTE 18:  Weighted Average Shares

In July 2013, the Company’s Board of Directors declared a two-for-one stock split of the Company’s common stock, which was effected through a stock dividend distributed on September 16, 2013. All references made to share or per share amounts in the accompanying consolidated financial statements and applicable disclosures reflect this two-for-one stock split.

Weighted-average shares were calculated as follows (in thousands):

	Year Ended December 31,
	2014	2013	2012
Basic weighted-average common shares outstanding	86,858	86,946	85,666
Effect of dilutive stock options	2,213	1,955	1,614
Diluted weighted-average common and common-equivalent shares outstanding	89,071	88,901	87,280

Stock options to purchase 1,286,403, 1,385,901, and 1,790,911 shares of common stock, on a weighted-average basis, were outstanding in 2014, 2013, and 2012, respectively, but were not included in the calculation of dilutive net income per share because they were anti-dilutive.

NOTE 19:  Segment and Geographic Information

The Company has two reportable segments: the Modular Vision Systems Division (MVSD) and the Surface Inspection Systems Division (SISD). MVSD develops, manufactures, and markets modular vision systems and ID products that are used to automate the manufacture and tracking of discrete items by locating, identifying, inspecting, and measuring them during the manufacturing or distribution process. SISD develops, manufactures, and markets surface inspection vision systems that are used to inspect surfaces of materials processed in a continuous fashion, such as metals, papers, nonwoven, plastics, and glass, to ensure there are no flaws or defects on the surfaces. Segments are determined based upon the way that management organizes its business for making operating decisions and assessing performance. The Company evaluates segment performance based upon income or loss from operations, excluding stock-based compensation expense.

68

COGNEX CORPORATION - NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes information about the Company’s segments (in thousands):

	MVSD		SISD		Reconciling Items			Consolidated
Year Ended December 31, 2014
Product revenue	$	409,017	$	42,049				$	451,066
Service revenue	17,432		17,772					35,204
Depreciation and amortization	10,580		1,138		$	749		12,467
Goodwill and intangibles	87,059		5,329		—			92,388
Operating income	156,552		15,598		(28,487		)	143,663
Year Ended December 31, 2013
Product revenue	$	298,186	$	28,600				$	326,786
Service revenue	9,465		17,635					27,100
Depreciation and amortization	9,569		1,078		$	455		11,102
Goodwill and intangibles	90,718		5,694		—			96,412
Operating income	99,383		8,990		(22,005		)	86,368
Year Ended December 31, 2012
Product revenue	$	263,308	$	32,280				$	295,588
Service revenue	10,388		18,303					28,691
Depreciation and amortization	9,505		963		$	390		10,858
Goodwill and intangibles	90,390		6,069		—			96,459
Operating income	89,378		11,941		(17,912		)	83,407

Reconciling items consist of stock-based compensation expense and unallocated corporate expenses, which primarily include corporate headquarters costs, professional fees, and patent infringement litigation. Additional asset information by segment is not produced internally for use by the chief operating decision maker, and therefore, is not presented. Additional asset information is not provided because cash and investments are commingled and the segments share assets and resources in a number of locations around the world.

The following table summarizes information about geographic areas (in thousands):

	United States		Europe		Japan		Other		Total
Year Ended December 31, 2014
Product revenue	$	132,298	$	192,463	$	38,952	$	87,353	$	451,066
Service revenue	15,143		12,536		4,434		3,091		35,204
Long-lived assets	118,991		11,385		1,551		9,904		141,831
Year Ended December 31, 2013
Product revenue	$	103,610	$	104,497	$	33,763	$	84,916	$	326,786
Service revenue	13,505		6,012		4,103		3,480		27,100
Long-lived assets	118,619		5,059		1,732		10,276		135,686
Year Ended December 31, 2012
Product revenue	$	87,877	$	95,376	$	38,151	$	74,184	$	295,588
Service revenue	13,248		6,083		5,043		4,317		28,691
Long-lived assets	120,596		4,939		2,229		6,342		134,106

Revenue is presented geographically based upon the customer’s country of domicile.

In 2014, revenue from a single MVSD customer accounted for 14% of total revenue. In 2013 and 2012, no customer accounted for greater than 10% of total revenue.

69

COGNEX CORPORATION - SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

	Quarter Ended
	March 30, 2014		June 29, 2014		September 28, 2014		December 31, 2014
	(In thousands, except per share amounts)
Revenue	$	90,929	$	108,802	$	169,356	$	117,183
Gross margin	69,845		83,012		125,029		87,364
Operating income	22,443		30,722		59,428		31,070
Net income	18,506		25,948		50,400		26,631
Basic net income per share	0.21		0.30		0.58		0.31
Diluted net income per share	0.21		0.29		0.57		0.30

	Quarter Ended
	March 31, 2013		June 30, 2013		September 29, 2013		December 31, 2013
	(In thousands, except per share amounts)
Revenue	$	80,892	$	86,510	$	90,788	$	95,696
Gross margin	61,469		65,360		69,440		73,537
Operating income	17,981		20,173		23,379		24,835
Net income	15,583		16,820		20,727		20,443
Basic net income per share (1)	0.18		0.19		0.24		0.23
Diluted net income per share (1)	0.18		0.19		0.23		0.23

(1) Prior period results have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.

70

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Cognex Corporation:

We have audited in accordance with the standards of the Public Company Accounting Oversight Board (United States) the consolidated financial statements of Cognex Corporation and subsidiaries (the “Company”) referred to in our report dated February 12, 2015, which is included in the 2014 Annual Report on Form 10-K of Cognex Corporation. Our audits of the basic consolidated financial statements included the financial statement schedule listed in the index appearing under Item 15(2) of this Form 10-K, which is the responsibility of the Company’s management. In our opinion, this financial statement schedule, when considered in relation to the basic consolidated financial statements taken as a whole, presents fairly, in all material respects, the information set forth therein.

/s/ GRANT THORNTON LLP

Boston, Massachusetts

February 12, 2015

71

COGNEX CORPORATION – SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses			Charged to Other Accounts		Deductions				Other				Balance at End of Period
	(In thousands)
Reserve for Uncollectible Accounts Receivable:
2014	$	1,354	$	(60	)	$	—	$	(141	)	(a)	$	(58	)	(b)	$	1,095
2013	$	1,131	$	286		$	—	$	(77	)	(a)	$	14		(b)	$	1,354
2012	$	1,240	$	63		$	—	$	(184	)	(a)	$	12		(b)	$	1,131
Reserve for Excess and Obsolete Inventory:
2014	$	4,893	$	3,535		$	—	$	(1,989	)	(a)	$	(469	)	(c)	$	5,970
2013	$	3,414	$	2,368		$	—	$	(1,009	)	(a)	$	120		(c)	$	4,893
2012	$	4,359	$	949		$	—	$	(1,924	)	(a)	$	30		(c)	$	3,414
Deferred Tax Valuation Allowance:
2014	$	1,758	$	725		$	—	$	—			—				$	2,483
2013	$	1,489	$	642		$	—	$	(373	)		—				$	1,758
2012	$	3,400	$	546		$	—	$	(2,457	)		—				$	1,489

(a) Specific write-offs

(b) Collections of previously written-off accounts and foreign currency exchange rate changes

(c) Foreign currency exchange rate changes

72

ITEM 9: CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

There were no disagreements with accountants on accounting or financial disclosure during 2014 or 2013.

ITEM 9A: CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

As required by Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, the Company has evaluated, with the participation of management, including the Chief Executive Officer and the Chief Financial Officer, the effectiveness of its disclosure controls and procedures (as defined in such rules) as of the end of the period covered by this report. Based on such evaluation, the Chief Executive Officer and Chief Financial Officer concluded that such disclosure controls and procedures were effective as of that date.

Management’s Report on Internal Control over Financial Reporting

Management is responsible for establishing and maintaining adequate internal control over financial reporting. Management has evaluated the effectiveness of the Company’s internal control over financial reporting based upon the framework in Internal Control – Integrated Framework issued in 2013 by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

Based upon our evaluation, management has concluded that the Company’s internal control over financial reporting was effective as of December 31, 2014.

Attestation Report of the Registered Public Accounting Firm on Internal Control over Financial Reporting

The Company’s internal control over financial reporting as of December 31, 2014 has been audited by Grant Thornton LLP, an independent registered public accounting firm, as stated in their report which is included herein.

Changes in Internal Control over Financial Reporting

There have been no changes in the Company’s internal control over financial reporting that occurred during the fourth quarter of the year ended December 31, 2014 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company continues to review its disclosure controls and procedures, including its internal control over financial reporting, and may from time to time make changes aimed at enhancing their effectiveness and to ensure that the Company’s systems evolve with its business.

73

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Cognex Corporation:

We have audited the internal control over financial reporting of Cognex Corporation (a Massachusetts corporation) and subsidiaries (the “Company”) as of December 31, 2014, based on criteria established in the 2013 Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying management’s report on internal control over financial reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2014, based on criteria established in the 2013 Internal Control—Integrated Framework issued by COSO.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated financial statements of the Company as of and for the year ended December 31, 2014, and our report dated February 12, 2015 expressed an unqualified opinion on those financial statements.

/s/ GRANT THORNTON LLP

Boston, Massachusetts

February 12, 2015

74

ITEM 9B: OTHER INFORMATION

None

PART III

ITEM 10:  DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE

Information with respect to Directors and Executive Officers of the Company and the other matters required by Item 10 shall be included in the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on April 17, 2015 and is incorporated herein by reference. In addition, certain information with respect to Executive Officers of the Company may be found in the section captioned “Executive Officers of the Registrant,” appearing in Part I – Item 4A of this Annual Report on Form 10-K.

The Company has adopted a Code of Business Conduct and Ethics covering all employees, which is available, free of charge, on the Company’s website, www.cognex.comunder "Company-Investor Information-Governance". The Company intends to disclose on its website any amendments to or waivers of the Code of Business Conduct and Ethics on behalf of the Company’s directors and executive officers that would otherwise be required to be disclosed under the rules of the SEC or The NASDAQ Stock Market LLC.

ITEM 11:  EXECUTIVE COMPENSATION

Information with respect to executive compensation and the other matters required by Item 11 shall be included in the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on April 17, 2015 and is incorporated herein by reference.

ITEM 12:  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information with respect to security ownership and the other matters required by Item 12 shall be included in the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on April 17, 2015 and is incorporated herein by reference.

The following table provides information as of December 31, 2014 regarding shares of common stock that may be issued under the Company’s existing equity compensation plans:

Plan Category	Number of securities to be issued upon exercise of outstanding options, warrants, and rights		Weighted-average exercise price of outstanding options, warrants, and  rights		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
	(a)
Equity compensation plans approved by shareholders (4)	5,095,236	(1)	$	26.1510	9,203,289	(2)
Equity compensation plans not approved by shareholders (4)	1,736,626	(3)	14.8995		—
	6,831,862		$	23.2910	9,203,289

(1) Includes shares to be issued upon exercise of outstanding options under the Company’s 1991 Isys Controls, Inc. Long-Term Equity Incentive Plan, 1998 Stock Incentive Plan, 2007 Stock Option and Incentive Plan, and subsequent to shareholder approval, the 2001 General Stock Option Plan, as amended and restated.

(2) Includes shares remaining available for future issuance under the Company’s 2007 Stock Option and Incentive Plan and 2001 General Stock Option Plan, as amended and restated.

(3) Includes shares to be issued upon the exercise of outstanding options granted prior to shareholder approval under the 2001 General Stock Option Plan, as amended and restated.

(4) All references made to share or per share amounts have been adjusted to reflect the two-for-one stock split which occurred in the third quarter of 2013.

The 2001 General Stock Option Plan was originally adopted by the Board of Directors in December 2001 without shareholder approval. In December 2011, this plan received shareholder approval for an amendment and restatement of the plan, extending the plan until September 2021. This plan provides for the granting of nonqualified stock options and incentive stock options to any employee who is actively employed by the Company and is not an officer or director of the Company. The maximum number of shares of common stock available for grant under this plan is 14,220,000 shares. All option grants must have an exercise price per share that is no less than the fair market value per share of the Company’s common stock on the grant date and must have a term that is no longer than ten years from the grant date. 7,471,470 stock options have been granted under the 2001 General Stock Option Plan.

75

ITEM 13:  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Information with respect to certain relationships and related transactions and the other matters required by Item 13 shall be included in the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on April 17, 2015 and is incorporated herein by reference.

ITEM 14:  PRINCIPAL ACCOUNTING FEES AND SERVICES

Information with respect to principal accounting fees and services and the other matters required by Item 14 shall be included in the Company’s definitive Proxy Statement for the Annual Meeting of Shareholders to be held on April 17, 2015 and is incorporated herein by reference.

PART IV

ITEM 15:  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(1) Financial Statements

The financial statements are included in Part II – Item 8 of this Annual Report on Form 10-K.

(2) Financial Statement Schedule

Financial Statement Schedule II is included in Part II – Item 8 of this Annual Report on Form 10-K.

Other schedules are omitted because of the absence of conditions under which they are required or because the required information is given in the consolidated financial statements or notes thereto.

(3) Exhibits

The Exhibits filed as part of this Annual Report on Form 10-K are listed in the Exhibit Index, immediately preceding such Exhibits.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	COGNEX CORPORATION
By:	/s/    Robert J. Willett
	Robert J. Willett
	President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/    Robert J. Shillman	Chairman of the Board of Directors and Chief Culture Officer	February 12, 2015
Robert J. Shillman
/s/    Robert J. Willett	President, Chief Executive Officer, and Director (principal executive officer)	February 12, 2015
Robert J. Willett
/s/    Richard A. Morin	Executive Vice President of Finance and Administration and Chief Financial Officer (principal financial and accounting officer)	February 12, 2015
Richard A. Morin
/s/    Patrick Alias	Director	February 12, 2015
Patrick Alias
/s/    Theodor Krantz	Director	February 12, 2015
Theodor Krantz
/s/    Jeffrey Miller	Director	February 12, 2015
Jeffrey Miller
/s/    J. Bruce Robinson	Director	February 12, 2015
J. Bruce Robinson
/s/    Anthony Sun	Director	February 12, 2015
Anthony Sun
/s/    Reuben Wasserman	Director	February 12, 2015
Reuben Wasserman

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EXHIBIT INDEX

EXHIBIT NUMBER
3A	Restated Articles of Organization of Cognex Corporation effective June 27, 1989, as amended April 30, 1991, April 21, 1992, April 25, 1995, April 23, 1996, and May 8, 2000 (incorporated by reference to Exhibit 3A of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
3B	Articles of Amendment to the Articles of Organization of Cognex Corporation establishing Series E Junior Participating Preferred Stock (incorporated by reference to Exhibit 3.1 to Cognex's Registration Statement on Form 8-A filed on December 5, 2008 [File No. 1-34218])
3C	By-laws of Cognex Corporation, as amended and restated through December 5, 2013 (incorporated by reference to Exhibit 3.1 of Cognex’s Current Report on Form 8-K filed on December 10, 2013 [File No. 1-34218])
4A	Specimen Certificate for Shares of Common Stock (incorporated by reference to Exhibit 4 to the Registration Statement on Form S-1 [Registration No. 33-29020])
4B	Shareholder Rights Agreement, dated December 4, 2008, between Cognex Corporation and National City Bank (incorporated by reference to Exhibit 4.1 to Cognex's Registration Statement on Form 8-A filed on December 5, 2008 [File No. 1-34218])
10A *	1991 Isys Controls, Inc. Long-Term Equity Incentive Plan (incorporated by reference to Exhibit 4A to the Registration Statement on Form S-8 [Registration No. 333-02151])
10B *	Cognex Corporation 1998 Non-Employee Director Stock Option Plan (incorporated by reference to Exhibit 4.1 to the Registration Statement on Form S-8 [Registration No. 333-60807])
10C *	Amendment to Cognex Corporation 1998 Non-Employee Director Stock Option Plan, effective as of July 26, 2007 (incorporated by reference to Exhibit 10C of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
10D *	Cognex Corporation 1998 Stock Incentive Plan (incorporated by reference to Exhibit 4.2 to the Registration Statement on Form S-8 [Registration No. 333-60807])
10E *	First Amendment to the Cognex Corporation 1998 Stock Incentive Plan (incorporated by reference to Exhibit 4.3 to the Registration Statement on Form S-8 [Registration No. 333-60807])
10F *	Second Amendment to the Cognex Corporation 1998 Stock Incentive Plan (incorporated by reference to Exhibit 10F of Cognex’s Annual Report on Form 10-K for the year ended December 31, 2011 [File No. 1-34218])
10G *	Amendment to Cognex Corporation 1998 Stock Incentive Plan, effective as of July 26, 2007 (incorporated by reference to Exhibit 10G of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
10H *	Cognex Corporation 2001 General Stock Option Plan, as amended and restated (filed herewith)
10I *	Cognex Corporation 2007 Stock Option and Incentive Plan (incorporated by reference to Exhibit 10J of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
10J *	First Amendment to Cognex Corporation 2007 Stock Option and Incentive Plan (incorporated by reference to Exhibit 10.2 of Cognex's Quarterly Report on Form 10-Q for the quarter ended September 29, 2013 [File No. 1-34218])
10K *	Form of Letter Agreement between Cognex Corporation and each of Robert J. Shillman, Patrick A. Alias, Anthony Sun and Reuben Wasserman (incorporated by reference to Exhibit 10K of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
10L *	Form of Stock Option Agreement (Non-Qualified) under 1998 Stock Incentive Plan (incorporated by reference to Exhibit 10L of Cognex's Annual Report on Form 10-K for the year ended December 31, 2012 [File No. 1-34218])
10M *	Form of Indemnification Agreement with each of the Directors of Cognex Corporation (incorporated by reference to Exhibit 10R of Cognex's Annual Report on Form 10-K for the year ended December 31, 2013 [File No. 1-34218])
10N *	Employment Agreement, dated June 17, 2008, by and between Cognex Corporation and Robert Willett (incorporated by reference to Exhibit 10S of Cognex's Annual Report on Form 10-K for the year ended December 31, 2013 [File No. 1-34218])

78

10O *	Amendment to Employment Agreement with Robert Willett, dated November 14, 2008 (incorporated by reference to Exhibit 10T of Cognex's Annual Report on Form 10-K for the year ended December 31, 2013 [File No. 1-34218])
10P *	Form of Stock Option Agreement (Non-Qualified) under 2007 Stock Option and Incentive Plan (incorporated by reference to Exhibit 10U of Cognex's Annual Report on Form 10-K for the year ended December 31, 2013 [File No. 1-34218])
10Q *	Letter from the Company to Richard A. Morin regarding Stock Option Agreements (incorporated by reference to Exhibit 10V of Cognex's Annual Report on Form 10-K for the year ended December 31, 2013 [File No. 1-34218])
10R *	Summary of Annual Bonus Program (filed herewith)
10S *	Stock Option Agreements with Robert Willett dated November 3, 2014 (filed herewith)
10T *	Summary of Director Compensation (filed herewith)
14	Code of Business Conduct and Ethics as amended March 12, 2004 (incorporated by reference to Exhibit 14 of Cognex's Annual Report on Form 10-K for the year ended December 31, 2009 [File No. 001-34218])
21	Subsidiaries of the registrant (filed herewith)
23.1	Consent of Grant Thornton LLP (filed herewith)
31.1	Certification of Chief Executive Officer (filed herewith)
31.2	Certification of Chief Financial Officer (filed herewith)
32.1	Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (CEO) (furnished herewith)
32.2	Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (CFO) (furnished herewith)
101	xBRL (Extensible Business Reporting Language)
	The following materials from Cognex Corporation's Annual Report on Form 10-K for the period ended December 31, 2014, formatted in xBRL: (i) Consolidated Statements of Operations for the years ended December 31, 2014, December 31, 2013, and December 31, 2012; (ii) Consolidated Statements of Comprehensive Income for the years ended December 31, 2014, December 31, 2013, and December 31, 2012; (iii) Consolidated Balance Sheets as of December 31, 2014 and December 31, 2013; (iv) Consolidated Statements of Cash Flows for the years ended December 31, 2014, December 31, 2013, and December 31, 2012; (v) Consolidated Statement of Shareholders’ Equity for the years ended December 31, 2014, December 31, 2013, and December 31, 2012; and (vi) Notes to Consolidated Financial Statements. *    Indicates management contract or compensatory plan or arrangement

79

EX-10.H

EXHIBIT 10H

COGNEX CORPORATION

2001 GENERAL STOCK OPTION PLAN

As Amended and Restated

1.     PURPOSE OF THE PLAN.

This stock option plan (the “Plan”) is intended to provide a means by which eligible employees of Cognex Corporation (the “Company”) and any present or future subsidiaries of the Company may purchase common stock in the Company through the exercise of stock options.

2.     STOCK SUBJECT TO THE PLAN.

(a)     The maximum number of shares of common stock, par value $.002 per share, of the Company (“Common Stock”) available for stock options granted under the Plan shall be 14,220,000 shares of Common Stock. The maximum number of shares of Common Stock available for grants shall be subject to adjustment in accordance with Section 11 hereof. Shares issued under the Plan may be authorized but unissued shares of Common Stock or, to the extent applicable, shares of Common Stock held in treasury.

(b)     To the extent that any stock option shall lapse, terminate, expire or otherwise be cancelled without the issuance of shares of Common Stock, the shares of Common Stock covered by such option shall again be available for the granting of stock options. Notwithstanding the foregoing, shares tendered or held back upon option exercises to cover the exercise price or tax withholding shall not be added to the shares of Common Stock authorized for grants under the Plan. In the event the Company repurchases shares of Common Stock on the open market, such shares shall not be added to the shares of Common Stock available for issuance under the Plan.

(c)     Common Stock issuable under the Plan may be subject to such restrictions on transfer, repurchase rights or other restrictions as shall be determined by the Committee (as defined in Section 3 below).

3.     ADMINISTRATION OF THE PLAN.

(a)     At the discretion of the Company’s Board of Directors, the Plan shall be administered either: (i) by the full Board of Directors of the Company; or (ii) by a committee (the “Committee”) consisting of two or more members of the Company’s Board of Directors. In the event the full Board of Directors is the administrator of the Plan, references herein to the Committee shall be deemed to include the full Board of Directors. The Board of Directors may from time to time appoint a member or members of the Committee in substitution for or in addition to the member or members then in office and may fill vacancies on the Committee however caused. The Committee shall choose one of its members as Chairman and shall hold meetings at such times and places as it shall deem advisable. A majority of the members of the Committee shall constitute a quorum and any action may be taken by a majority of those present and voting at any meeting.

(b)     Any action may also be taken without the necessity of a meeting by a written instrument signed by a majority of the Committee. The decision of the Committee as to all questions of interpretation and application of the Plan shall be final, binding and conclusive on all persons. The Committee shall have the authority to adopt, amend and rescind such rules and regulations as, in its opinion, may be advisable in the administration of the Plan. The Committee may correct any defect or supply any omission or reconcile any inconsistency in the Plan or in any option agreement granted hereunder in the manner and to the extent it shall deem expedient to carry the Plan into effect and shall be the sole and final judge of such expediency. No Committee member shall be liable for any action or determination made in good faith.

(c)     Subject to the terms of the Plan, the Committee shall have the authority to: (i) determine the employees of the Company and its subsidiaries (from among the class of employees eligible under Section 4 to receive options) to whom options may be granted; (ii) determine the time or times at which options may be granted; (iii) determine the option price of shares subject to each option which price shall not be less than the minimum price specified in Section 6; (iv) determine (subject to Section 9) the time or times when each option shall become exercisable and the duration of the exercise period; (v) determine the extent and nature of any restrictions on any options or shares (including any

EXHIBIT 10H

repurchase rights and any forfeiture of options and shares for engaging in activities detrimental to the interests of the Company or any of its subsidiaries); and (vi) determine the size of any options under the Plan, taking

into account the position or office of the optionee with the Company, the job performance of the optionee and such other factors as the Committee may deem relevant in the good faith exercise of its independent business judgment.

(d)     The Chief Executive Officer of the Company may grant stock options under the Plan on such terms and conditions as deemed appropriate by the Chief Executive Officer; provided, however, that the terms and conditions otherwise comply with all provisions of this Plan (including the limitations of Section 2(a)), the number of shares of Common Stock underlying options granted to any one eligible individual in any calendar year may not exceed 40,000 shares per individual, and the exercise price of any option shall not be less than 100% of the fair market value of a share of Common Stock on the date of grant. All grants by the Chief Executive Officer shall be in writing and filed with the records of the Committee.

4.     OPTIONS.

Options may be granted to any employee of the Company or of any of its subsidiaries other than an employee who is either: (i) designated by the Company as a Section 16 reporting person for purposes of the Securities Exchange Act of 1934, as amended; (ii) determined by the Company as likely to be subject to the tax deduction limitations of Section 162(m) of the Internal Revenue Code of 1986, as amended (the “Code”); or (iii) a ten percent shareholder of the Company. In determining the eligibility of an individual to be granted an option, as well as in determining the number of shares to be optioned to any individual, the Committee shall take into account the position and responsibilities of the individual being considered, the nature and value to the Company or its subsidiaries of his or her service and accomplishments, his or her present and potential contribution to the success of the Company or its subsidiaries, and such other factors as the Committee may deem relevant. Options granted under the Plan may be either incentive stock options qualified under Section 422 of the Code or nonqualified stock options, except no incentive stock options may be granted under the Plan until shareholder approval has been obtained.

5.     OPTION AWARD CERTIFICATE.

Each option shall be evidenced by a written or electronic document (the “Award Certificate”) which sets forth the terms of grants and which may contain such other terms, provisions and conditions which are not inconsistent with the Plan as may be determined by the Committee. The date of grant of an option shall be as determined by the Committee or the Chief Executive Officer if acting pursuant to Section 3(d) above. More than one option may be granted to an individual.

6.     OPTION PRICE.

The option exercise price of options granted by the Committee shall be determined by the Committee, but in no event shall the option price be less than 100% of the fair market value of a share of Common Stock on the date of grant.

7.     MANNER OF PAYMENT; MANNER OF EXERCISE.

(a)     The Award Certificate may provide for the payment of the exercise price by delivery of: (i) cash or a check payable to the order of the Company in an amount equal to the exercise price of such options; (ii) shares of Common Stock of the Company owned by the optionee having a fair market value equal in amount to the exercise price of the options being exercised; or (iii) any combination of (i) and (ii); provided, however, that payment of the exercise price by delivery of shares of Common Stock of the Company owned by such optionee may be made only if such payment does not result in a charge to earnings for financial accounting purposes as determined by the Committee. The fair market value of any shares of the Company’s Common Stock which may be delivered upon exercise of an option shall be determined by the Committee. With the consent of the Committee, the delivery of shares used to exercise any option may be made through attestation rather than physical delivery of stock certificates. With the consent of the Committee, payment may also be made by delivery of a properly executed exercise notice to the Company, together with a copy of irrevocable instruments to a broker to deliver promptly to the Company the amount of proceeds necessary to pay the exercise price and relevant taxes. To facilitate the foregoing, the Company may enter into agreements for coordinated procedures with one or more brokerage firms.

(b)     To the extent that the right to purchase shares under an option has accrued and is in effect, options may be exercised in full at one time or in part from time to time, by giving written notice, signed by the person or persons exercising the option, to the Company, stating the number of shares with respect to which the option is being exercised,

EXHIBIT 10H

accompanied by payment in full for such shares as provided in subparagraph (a) above. Upon such exercise, delivery of a certificate for paid-up non-assessable shares shall be made at the principal office of the Company to the person or persons exercising the option at such time, during ordinary business hours, not earlier than ten business days from the date of receipt of the notice by the Company, as shall be designated in such notice, or at such time, place and manner as may be agreed upon by the Company and the person or persons exercising the option.

8.     EXERCISE OF OPTIONS.

Each option granted under the Plan shall, subject to the other provisions of this Plan, be exercisable at such time or times and during such period as shall be set forth in the Award Certificate; provided, however, that no option granted under the Plan shall have a term in excess of ten (10) years from the date of grant. To the extent that an option to purchase shares is not exercised by an optionee when it becomes initially exercisable, it shall not expire but shall be carried forward and shall be exercisable, on a cumulative basis, until the expiration of the exercise period.

9.     TERM OF OPTIONS; EXERCISABILITY.

(a)     Term.

(1)     Except as otherwise provided in this Section 9, an option granted to any employee optionee who ceases to be an employee of the Company or one of its subsidiaries shall terminate on the seventh business day after the date such optionee ceases to be an employee of the Company or one of its subsidiaries, or on the date on which the option expires by its terms, whichever occurs first.

(2)     If such termination of employment is because of dismissal for cause or because the employee is in breach of any employment agreement, such option will terminate immediately on the date the optionee ceases to be an employee of the Company or one of its subsidiaries.

(3)     If such termination of employment is because the optionee has become permanently disabled (within the meaning of Section 22(e)(3) of the Code), such option shall terminate on the last day of the twelfth month from the date such optionee ceases to be an employee, or on the date on which the option expires by its terms, whichever occurs first.

(4)     In the event of the death of any optionee, any option granted to such optionee shall terminate on the last day of the twelfth month from the date of death, or on the date on which the option expires by its terms, whichever occurs first.

(5)     Notwithstanding subparagraphs (2), (3) and (4) above, the Committee shall have the authority to extend the expiration date of any outstanding option in circumstances in which it deems such action to be appropriate; provided that no such extension shall extend the term of an option beyond the date on which the option would have expired if no termination of the optionee’s employment had occurred.

(b)     Exercisability.

(1)     An option granted to an employee optionee who ceases to be an employee of the Company or one of its subsidiaries shall be exercisable only to the extent that the right to purchase shares under such option has accrued and is in effect on the date such optionee ceases to be an employee of the Company or one of its subsidiaries.

(2)     In the event of the death of any optionee, the option granted to such optionee may be exercised by the estate of such optionee, or by any person or persons who acquired the right to exercise such option by bequest or inheritance or by reason of the death of such optionee.

10.     TRANSFERABILITY.

The right of any optionee to exercise any option granted to him or her shall not be assignable or transferable by such optionee otherwise than by will or the laws of descent and distribution. Options shall be exercisable during the lifetime of such optionee only by him/her. Any option granted under the Plan shall be null and void and without effect upon the bankruptcy of the optionee to whom the option is granted, or upon any attempted assignment or transfer, except as herein provided, including without limitation any purported assignment, whether voluntary or by operation of law,

EXHIBIT 10H

pledge, hypothecation or other disposition, attachment, divorce, trustee process or similar process, whether legal or equitable, upon such option.

11.     ADJUSTMENTS FOR RECAPITALIZATIONS, REORGANIZATIONS AND OTHER EVENTS.

(a)     In the event that the outstanding shares of the Common Stock of the Company are changed into or exchanged for a different number or kind of shares or other securities of the Company or of another corporation by reason of any reorganization, merger, consolidation, recapitalization, reclassification, stock split-up, combination of shares, or dividends payable in capital stock, appropriate adjustment shall be made in the number and kind of shares as to which options may be granted under the Plan and as to which outstanding options or portions thereof then unexercised shall be exercisable, to the end that the proportionate interest of the optionee shall be maintained as before the occurrence of such event; such adjustment in outstanding options shall be made without change in the total price applicable to the unexercised portion of such options and with a corresponding adjustment in the option price per share.

(b)     Except as the Committee may otherwise specify with respect to particular options in the relevant Award Certificate, upon the effective time of a Sale Event, the Plan and all outstanding options granted hereunder shall terminate, unless provision is made in connection with the Sale Event in the sole discretion of the parties thereto for the assumption or continuation of options theretofore granted by the successor entity, or the substitution of such options with new options of the successor entity or parent thereof, with appropriate adjustment as to the number and kind of shares and, if appropriate, the per share exercise prices, as such parties shall agree (after taking into account any acceleration hereunder). In the event of such termination, (x) the Company shall have the option (in its sole discretion) to make or provide for a cash payment to the grantees holding options, in exchange for the cancellation thereto, in an amount equal to the difference between (A) the Sale Price multiplied by the number of shares of Common Stock subject to outstanding options (to the extent then exercisable (after taking into account any acceleration thereof) at prices not in excess of the Sale Price) and (B) the aggregate exercise price of all such outstanding options; or (y) each grantee shall be permitted, within a specified period of time prior to the consummation of the Sale Event as determined by the Committee, to exercise all outstanding options (to the extent then exercisable after taking into account any acceleration thereof) held by such grantee. For purposes of the Plan, “Sale Event” shall mean (i) the sale of all or substantially all of the assets of the Company on a consolidated basis to an unrelated person or entity, (ii) a merger, reorganization or consolidation pursuant to which the holders of the Company’s outstanding voting power immediately prior to such transaction do not own a majority of the outstanding voting power of the resulting or successor entity (or its ultimate parent, if applicable) immediately upon completion of such transaction, (iii) the sale of all of the Common Stock of the Company to an unrelated third party, or (iv) any other transaction in which the owners of the Company’s outstanding voting power prior to such transaction do not own at least a majority of the outstanding voting power of the Company or any successor entity immediately upon completion of the transaction other than as a result of the acquisition of securities directly from the Company, and “Sale Price” shall mean the value as determined by the Committee of the consideration payable, or otherwise to be received by shareholders, per share of Common Stock pursuant to a Sale Event.

(c)     Upon dissolution or liquidation of the Company, all options granted under this Plan shall terminate, but each optionee (if at such time in the employ of or otherwise associated with the Company or any of its subsidiaries) shall have the right, immediately prior to such dissolution or liquidation, to exercise his or her option to the extent then exercisable.

(d)     No fraction of a share shall be purchasable or deliverable upon the exercise of any option, but in the event any adjustment hereunder of the number of shares covered by the option shall cause such number to include a fraction of a share, such fraction shall be adjusted to the nearest smaller whole number of shares.

12. NO SPECIAL EMPLOYMENT RIGHTS.

Nothing contained in the Plan or in any option granted under the Plan shall confer upon any option holder any right with respect to the continuation of his employment by the Company (or any subsidiary) or interfere in any way with the right of the Company (or any subsidiary), subject to the terms of any separate employment agreement to the contrary, at any time to terminate such employment or to increase or decrease the compensation of the option holder from the rate in existence at the time of the grant of an option. Whether an authorized leave of absence, or absence in military or government service, shall constitute termination of employment shall be determined by the Committee at the time.

EXHIBIT 10H

13. WITHHOLDING.

The Company’s obligation to deliver shares upon the exercise of any option granted under the Plan, or to make any payments or transfers under Section 11 hereof, shall be subject to the option holder’s satisfaction of all applicable Federal, state, local, and foreign governmental tax withholding requirements. Whenever shares of Common Stock are to be delivered pursuant to the exercise of an option under the Plan, the Company shall be entitled to require as a condition of delivery that the option holder remit to the Company an amount sufficient in the opinion of the Company to satisfy all applicable tax withholding requirements related thereto. With the approval of the Committee, which it shall have sole discretion to grant, and on such terms and conditions as the Committee may impose, the option holder may satisfy the foregoing condition by electing to have the Company withhold from delivery shares having a value equal to the amount of tax required to be withheld. The Committee shall also have the right to require that shares be withheld from delivery to satisfy such condition.

14. RESTRICTIONS ON ISSUE OF SHARES.

(a)     Notwithstanding the provisions of Section 7, the Company may delay the issuance of shares covered by the exercise of an option and the delivery of a certificate for such shares until the delivery of any shares issued under this Plan complies with all applicable laws (including, without limitation, the Securities Act of 1933, as amended), and with the applicable rules of any stock exchange or market upon which the shares of the Company are listed or traded.

(b)     It is intended that all exercises of options shall be effective, and the Company shall use its best efforts to bring about compliance with the above conditions within a reasonable time, except that the Company shall be under no obligation to qualify shares or to cause a registration statement or a post-effective amendment to any registration statement to be prepared for the purpose of covering the issue of shares in respect of which any option may be exercised, except as otherwise agreed to by the Company in writing.

15.     LOANS.

The Company may not make loans to optionees to permit them to exercise options.

16.     NO OPTION REPRICING.

Unless otherwise approved by shareholders, in no event may the Committee exercise its discretion to reduce the exercise price of outstanding options or affect re-pricing through cancellation and re-grants or cancellation of options in exchange for cash.

17.     EFFECTIVE DATE.

The Plan shall take effect as of the date of adoption by the Board of Directors of the Company; provided, however, that the term of the Plan shall expire on December 10, 2011 unless the restated Plan receives shareholder approval prior to such date.

18.     TERMINATION AND AMENDMENT.

If approved by shareholders, the Plan shall terminate ten (10) years from the date upon which the Plan restatement was duly approved by the Board of Directors. The Board of Directors may at any time terminate the Plan or make such modification or amendment thereof as it deems advisable. Subject to Section 11, without the consent of the optionee, the Committee shall not change the number of shares subject to an option, nor the exercise price thereof, nor reduce the term of such option.

19.     RESERVATION OF STOCK.

The Company shall at all times during the term of the Plan reserve and keep available such number of shares of stock as will be sufficient to satisfy the requirements of the Plan and shall pay all fees and expenses necessarily incurred by the Company in connection therewith.

EXHIBIT 10H

20.     NOTICES.

Any communication or notice required or permitted to be given under the Plan shall be in writing, and mailed by registered or certified mail or delivered by hand, if to the Company, to its principal place of business, attention: Chief Executive Officer, and, if to an optionee, to the address as appearing on the records of the Company.

Approved by the Directors: December 11, 2001

Restatement approved by the Directors: September 30, 2011

Approved by the Shareholders: December 6, 2011

(Adjusted for Stock Split on July 25, 2013)

EX-10.R

EXHIBIT 10R

COGNEX CORPORATION

SUMMARY OF ANNUAL BONUS PROGRAM

Cognex Corporation (the “Company”) provides selected employees, including the Company’s named executive officers, with an opportunity to earn cash bonuses pursuant to an annual bonus program (the “Bonus Program”). Each participant in the Bonus Program is assigned a target annual cash bonus. Participants may earn their bonuses based on the achievement of certain financial goals set forth in the Company’s annual budget related to the Company’s operating income (excluding stock-based compensation expense) as a percentage of revenue, or “operating margin.” The Compensation/Stock Option Committee of the Company’s Board of Directors establishes a minimum level of operating margin, which must be achieved for any cash bonus to be paid to a participant. Once the minimum threshold has been achieved, each participant’s eligible bonus is calculated as follows:

if the operating margin is above the minimum threshold but below the operating margin target in the annual budget, each employee is eligible to receive a pro-rata portion of his or her target bonus;

if the operating margin is equal to the operating margin set forth in the annual budget, each employee is eligible to receive 100% of his or her target bonus; and

if the operating margin is above the operating margin set forth in the annual budget, all exempt employees are eligible to receive an additional amount depending upon his or her grade level and up to a maximum level approved by the Compensation/Stock Option Committee.

The Compensation/Stock Option Committee approves the target bonus for each employee at director level and above, which includes the Company’s named executive officers, and the amount by which each individual can participate in any increase due to performance in excess of the budget target. Once the operating margin criterion is met, the amount each employee at director level and above, which includes the Company’s named executive officers, receives depends upon the achievement of individual performance goals, which are established annually.

Under the Bonus Program, Robert J. Shillman, the Chairman of the Board of Directors and Chief Culture Officer, has the opportunity to earn 0-250% of his target bonus amount based on the achievement of the specified performance goals, Robert J. Willett, President and Chief Executive Officer, has the opportunity to earn 0-300% of his target bonus amount based on the achievement of the specified performance goals, and Richard A. Morin, Executive Vice President of Finance and Administration and Chief Financial Officer has the opportunity to earn 0-200% of his target bonus amounts based on the achievement of the specified performance goals.

The annual bonuses for the Company’s named executive officers are listed in the Summary Compensation Table set forth in the Company’s proxy statement for its annual meeting of shareholders.

EX-10.S

EXHIBIT 10S

                                                                                                              Grant # OT002535

ROBERT WILLETT

COGNEX CORPORATION

STOCK OPTION AGREEMENT (NON-QUALIFIED)

UNDER 2007 STOCK OPTION AND INCENTIVE PLAN

AGREEMENT entered into as of 11/03/2014, by and between COGNEX CORPORATION, a Massachusetts corporation (the "Company") and the undersigned employee, director or consultant of the Company or one of its subsidiaries (the "Optionee").

Recitals:

 1.            The Company desires to afford the Optionee an opportunity to purchase shares of its common stock ($0.002 par value) ("Shares") to carry out the purposes of the Cognex Corporation 2007 Stock Option and Incentive Plan (the "Plan").

 2.            Section 2(d) of the Plan provides that each option is to be evidenced by an option agreement, setting forth the terms and conditions of the option.

ACCORDINGLY, in consideration of the premises and of the mutual covenants and agreements contained herein, the Company and the Optionee hereby agree as follows:

 1.            Grant of Option

The Company hereby grants to the Optionee a non-qualified stock option (the "Option") to purchase all or any part of an aggregate of  240,000 Shares on the terms and conditions hereinafter set forth, and the terms and conditions set forth in the Plan.

2.            Purchase Price

The purchase price ("Purchase Price") for the Shares covered by the Option shall be $40.39

 3.            Time and Manner of Exercise of Option

3.1          The Option shall not be exercisable prior to 11/03/2015.  Thereafter, the Option shall only be exercisable in four equal annual installments, in the amounts and on or after the vesting dates as follows:

	Shares
	Becoming Available
On or After	for Exercise
11/3/2015	60,000
11/3/2016	60,000
11/3/2017	60,000
11/3/2018	60,000

 Notwithstanding the foregoing, the Option shall not be exercisable until such time that the Optionee and the Company have duly executed all of the agreements required at the time of grant of the Option by the Company for 1) full-time employment by the Company, if the Optionee is an employee of the Company, including, but not limited to, the Company's Employee Invention, Non-Disclosure and Non-Competition Agreement, or 2) consultancy by the Company, if the optionee is a consultant to the Company, including, but not limited to, the Company's Consultant Agreement, or 3) directorship of the Company, if the Optionee is a director of the Company, including, but not limited to, the Company's Confidentiality and Non-Competition Agreement.

Except as may otherwise be specifically determined by the Administrator of the Plan, the Option shall not vest or become exercisable in the event of a change in control of the Company or other corporate transaction, merger or reorganization. 

EXHIBIT 10S

 3.2             To the extent that the right to exercise the Option has accrued and is in effect, the Option may be exercised in full at one time or in part from time to time, by giving written notice, signed by the person or persons exercising the Option, to the Company, stating the number of Shares with respect to which the Option is being exercised, accompanied by payment in full of the Purchase Price for such Shares, which payment may, at the Optionee’s request and in the Company's sole discretion, be in whole or in part in shares of the common stock of the Company already owned by the person or persons exercising the Option, valued at fair market value.  If such stock is traded on the NASDAQ Global Select Market System, the price shall be the last reported sale price of the stock reported by NASDAQ on such date or if no stock is traded on such date the next preceding date on which stock was traded.  The Option may also be exercised by means of a broker-assisted cashless exercise method contemplated by Section 5(e)(iii) of the Plan.

3.3        The Company shall at all times during the term of the Option reserve and keep available such number of shares of its common stock as will be sufficient to satisfy the requirements of the Option, shall pay all original issue and transfer taxes with respect to the issue and transfer of Shares pursuant hereto, and all other fees and expenses necessarily incurred by the Company in connection therewith.  The holder of this Option shall not have any of the rights of a stockholder of the Company in respect of the Shares until one or more certificates for such Shares shall be delivered to him upon the due exercise of the Option.

3.4        Optionee agrees that he/she will not claim, now or at any time in the future, whether during Optionee’s affiliation with the Company (i.e. during Optionee’s employment if an employee, or during Optionee’s consultancy engagement if a consultant, or during Optionee’s tenure as a director if a director of Company) or after such affiliation has terminated (either voluntarily or involuntarily and whether with or without cause), that Optionee should be entitled to exercise any of the then remaining unvested shares prior to the vesting dates for any reason, including, but not limited to, any claim for services, contributions or efforts made by Optionee on behalf of Cognex during his/her affiliation with Cognex.

4.            Term of Option

4.1        The Option shall terminate on November 3, 2024, but shall be subject to earlier termination as hereinafter provided.

4.2        In the event that the Optionee ceases to be affiliated with the Company  (or one of its subsidiaries) by reason of termination of his or her employment (whether voluntary or involuntary and whether with or without cause), consultancy or directorship, the Option may be exercised, only to the extent then exercisable under Section 3.1 within seven (7) business days after the date on which the Optionee ceased his or her such affiliation with the Company unless termination (a) was by the Company for

cause or was by the Optionee in breach of an employment, consulting or directorship contract, in any of which cases the Option shall terminate immediately at the time the Optionee ceases his or her such affiliation with the Company and shall not be exercisable, (b) was because the Optionee has become disabled (within the meaning of Section 105(d)(4) of the Internal Revenue Code of 1986, as amended), or (c) was by reason of the death of the Optionee.  In the case of disability, the Option may be exercised, to the extent then exercisable under Section 3.1, at any time within twelve (12) months after the date of termination of his or her such affiliation with the Company, but in any event prior to the expiration of ten (10) years from the date hereof.

4.3        In the event of the death of the Optionee, the Option may be exercised, to the extent the Optionee was entitled to do so on the date of his or her death under the provisions of Section 3.1 by the estate of the Optionee or by any person or persons who acquire the right to exercise the Option by bequest or inheritance or otherwise by reason of the death of the Optionee.  In such circumstances, the Option may be exercised at any time within twelve (12) months after the date of death of the Optionee, but in any event prior to the expiration of ten (10) years from the date hereof.

5.            Transferability of Options

The right of the Optionee to exercise the Option shall not be assignable or transferable by the Optionee otherwise than by will or the laws of descent and distribution, and the Option may be exercised during the lifetime of the Optionee only by him, except that (i) the Optionee may transfer the Option to the Optionee’s spouse or children or to a trust for the benefit of the Optionee or the Optionee’s spouse or children and (ii) the Optionee may transfer the Option pursuant to a divorce decree or other domestic relations order as defined in the Code or Title I of the Employee Retirement Income Security Act of 1974, as amended (or the rules thereunder).  The Option shall be null and void and without effect upon any attempted assignment or transfer, except as hereinabove provided, including without limitation, any

EXHIBIT 10S

purported assignment, whether voluntary or by operation of law, pledge, hypothecation or other disposition contrary to the provisions hereof, or other disposition, attachment, trustee process or similar process, whether legal or equitable, upon the Option.

6.            Severability

Each provision of this Agreement shall be treated as a separate and independent clause, and the unenforceability of any one clause shall in no way impair the enforceability of any of the other clauses herein.  In the event that any provision hereof or any obligation or grant, or rights by the undersigned hereunder is found invalid or unenforceable pursuant to judicial decree or decision, any such provision, obligation, or grant of right shall be deemed and construed to extend only to the maximum permitted by law, and the remainder of this Agreement shall remain valid and enforceable according to its terms.

 7.            Withholding Taxes

Whenever Shares are to be issued upon exercise of this Option, the Company shall have the right to require the Optionee to remit to the Company an amount sufficient to satisfy all Federal, state and local withholding tax requirements prior to the delivery of any certificate or certificates for such Shares.

8.            No Special Rights

Nothing contained in the Plan or in this Agreement shall be construed or deemed by any person under any circumstances to bind the Company to continue the affiliation of the Optionee, as either employee or consultant or director,  with the Company for the period within which this Option may be exercised.  If Optionee is an employee of the Company, he/she acknowledges the he/she is an employee “at will” and that Company provides no guarantee or assurance of Optionee’s employment with Company prior to or after the vesting dates contained in Section 3 above.

9.            Non-Competition

The Optionee reaffirms his/her promise to be bound by the non-competition provision as stated in the Employee Invention, Non-Disclosure and Non-Competition Agreement entered into between the Optionee and the Company (the “Employment Agreement”).  The Optionee agrees that the granting of this Option and any pre-tax gains realized by the Optionee pursuant to the exercise of this Option (along with other good and valuable consideration including, but not limited to employment by the Company, salary and other Company-provided benefits) are additional and sufficient consideration for the Optionee’s performance of his/her non-competition obligations as stated in the Optionee’s Employment Agreement.  Optionee agrees that if he or she breaches the non-competition obligations of Optionee’s Employment Agreement then he or she shall pay damages to the Company, including, but not limited to an amount equal to the sum of: (a) the total of all pre-tax gains realized by Optionee as a result of the exercise of any portion of the Option and (b) the total of all pre-tax gains realized by Optionee as a result of the sale of any shares acquired by him/her through the exercise of any portion of the Option.

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed and its corporate seal to be hereto affixed by Robert J. Shillman, its Chairman thereunto duly authorized, and the Optionee has hereunto set his hand and seal, all as of the day and year first above written.

COGNEX CORPORATION
By:
	Chairman
	Optionee
	ROBERT WILLETT

           V: 11/5/2014

EXHIBIT 10S

         Grant # OT002536

ROBERT WILLETT

COGNEX CORPORATION

STOCK OPTION AGREEMENT (NON-QUALIFIED)

UNDER 2007 STOCK OPTION AND INCENTIVE PLAN

AGREEMENT entered into as of 11/03/2014, by and between COGNEX CORPORATION, a Massachusetts corporation (the "Company") and the undersigned employee, director or consultant of the Company or one of its subsidiaries (the "Optionee").

Recitals:

1.          The Company desires to afford the Optionee an opportunity to purchase shares of its common stock ($0.002 par value) ("Shares") to carry out the purposes of the Cognex Corporation 2007 Stock Option and Incentive Plan (the "Plan").

2.           Section 2(d) of the Plan provides that each option is to be evidenced by an option agreement, setting forth the terms and conditions of the option.

 ACCORDINGLY, in consideration of the premises and of the mutual covenants and agreements contained herein, the Company and the Optionee hereby agree as follows:

1.            Grant of Option

The Company hereby grants to the Optionee a non-qualified stock option (the "Option") to purchase all or any part of an aggregate of  200,000 Shares on the terms and conditions hereinafter set forth, and the terms and conditions set forth in the Plan.

 2.            Purchase Price

The purchase price ("Purchase Price") for the Shares covered by the Option shall be $40.39

3.            Time and Manner of Exercise of Option

3.1          The Option shall not be exercisable prior to 11/03/2019  and, thereafter, shall be exercisable in full.

	Shares
	Becoming Available
On or After	for Exercise
11/03/2019	200,000

Not withstanding the foregoing, the Option shall not be exercisable until such time that the Optionee and the Company have duly executed all of the agreements required at the time of grant of the Option by the Company for 1) full-time employment by the Company, if the Optionee is an employee of the Company, including, but not limited to, the Company's Employee Invention, Non-Disclosure and Non-Competition Agreement, or 2) consultancy by the Company, if the optionee is a consultant to the Company, including, but not limited to, the Company's Consultant Agreement, or 3) directorship of the Company, if the Optionee is a director of the Company, including, but not limited to, the Company's Confidentiality and Non-Competition Agreement.

In the event of a corporate transaction, including a merger or reorganization, whereby the holders of the outstanding shares of common stock of the Company before the transaction fail to have a beneficial interest of 51 percent or more of the shares of outstanding common stock of the Company or its successor (or its ultimate parent) after the consummation of the transaction, and within 12 months of the consummation of the transaction, the Optionee’s employment is involuntarily terminated, the Option shall become immediately exercisable and shall be vested as if the Optionee had remained employed by the Company for two additional years beyond the actual date of termination of the Optionee’s employment with the Company. For purposes

EXHIBIT 10S

hereof, the Optionee’s employment is considered to be involuntarily terminated if the Company or its successor terminates the Optionee’s employment without Cause or the Optionee resigns his employment for Good Reason. The term “Cause” shall mean (i) the Optionee’s willful and continued failure to perform substantially his duties with the Company (other than any failure resulting from incapacity due to physical or mental illness), after a written demand of performance is delivered to the Optionee by the Board or the Chairman of the Company which identifies the manner in which the Board or Chairman believes that the Optionee has not substantially performed his duties; or (ii) the Optionee’s willful engagement in illegal conduct or gross misconduct which is materially injurious to the Company. The term “Good Reason”’ shall mean (i) a material diminution in the Optionee’s duties or responsibilities, excluding for this purpose any diminution related solely to the Company ceasing to be a reporting company for purposes of the Securities Exchange Act of 1934, or (ii) the Company requiring the Optionee to be based at any office or location that is more than fifty (50) miles from his current office.

3.2        To the extent that the right to exercise the Option has accrued and is in effect, the Option may be exercised in full at one time or in part from time to time, by giving written notice, signed by the person or persons exercising the Option, to the Company, stating the number of Shares with respect to which the Option is being exercised, accompanied by payment in full of the Purchase Price for such Shares, which payment may, at the Optionee’s request and in the Company's sole discretion, be in whole or in part in shares of the common stock of the Company already owned by the person or persons exercising the Option, valued at fair market value.  If such stock is traded on the NASDAQ Global Select Market System, the price shall be the last reported sale price of the stock reported by NASDAQ on such date or if no stock is traded on such date the next preceding date on which stock was traded.  The Option may also be exercised by means of a broker-assisted cashless exercise method contemplated by Section 5(e)(iii) of the Plan.

3.3        The Company shall at all times during the term of the Option reserve and keep available such number of shares of its common stock as will be sufficient to satisfy the requirements of the Option, shall pay all original issue and transfer taxes with respect to the issue and transfer of Shares pursuant hereto, and all other fees and expenses necessarily incurred by the Company in connection therewith.  The holder of this Option shall not have any of the rights of a stockholder of the Company in respect of the Shares until one or more certificates for such Shares shall be delivered to him upon the due exercise of the Option.

3.4        Optionee agrees that he/she will not claim, now or at any time in the future, whether during Optionee’s affiliation with the Company (i.e. during Optionee’s employment if an employee, or during Optionee’s consultancy engagement if a consultant, or during Optionee’s tenure as a director if a director of Company) or after such affiliation has terminated (either voluntarily or involuntarily and whether with or without cause), that Optionee should be entitled to exercise any of the then remaining unvested shares prior to the vesting dates for any reason, including, but not limited to, any claim for services, contributions or efforts made by Optionee on behalf of Cognex during his/her affiliation with Cognex.

4.            Term of Option

4.1        The Option shall terminate on November 3, 2024, but shall be subject to earlier termination as hereinafter provided.

4.2        In the event that the Optionee ceases to be affiliated with the Company  (or one of its subsidiaries) by reason of termination of his or her employment (whether voluntary or involuntary and whether with or without cause), consultancy or directorship, the Option may be exercised, only to the extent then exercisable under Section 3.1 within seven (7) business days after the date on which the Optionee ceased his or her such affiliation with the Company unless termination (a) was by the Company for

cause or was by the Optionee in breach of an employment, consulting or directorship contract, in any of which cases the Option shall terminate immediately at the time the Optionee ceases his or her such affiliation with the Company and shall not be exercisable, (b) was because the Optionee has become disabled (within the meaning of Section 105(d)(4) of the Internal Revenue Code of 1986, as amended), or (c) was by reason of the death of the Optionee.  In the case of disability, the Option may be exercised, to the extent then exercisable under Section 3.1, at any time within twelve (12) months after the date of termination of his or her such affiliation with the Company, but in any event prior to the expiration of ten (10) years from the date hereof.

4.3        In the event of the death of the Optionee, the Option may be exercised, to the extent the Optionee was entitled to do so on the date of his or her death under the provisions of Section 3.1 by the estate of the Optionee or

EXHIBIT 10S

by any person or persons who acquire the right to exercise the Option by bequest or inheritance or otherwise by reason of the death of the Optionee.  In such circumstances, the Option may be exercised at any time within twelve (12) months after the date of death of the Optionee, but in any event prior to the expiration of ten (10) years from the date hereof.

5.            Transferability of Options

The right of the Optionee to exercise the Option shall not be assignable or transferable by the Optionee otherwise than by will or the laws of descent and distribution, and the Option may be exercised during the lifetime of the Optionee only by him, except that (i) the Optionee may transfer the Option to the Optionee’s spouse or children or to a trust for the benefit of the Optionee or the Optionee’s spouse or children and (ii) the Optionee may transfer the Option pursuant to a divorce decree or other domestic relations order as defined in the Code or Title I of the Employee Retirement Income Security Act of 1974, as amended (or the rules thereunder).  The Option shall be null and void and without effect upon any attempted assignment or transfer, except as hereinabove provided, including without limitation, any purported assignment, whether voluntary or by operation of law, pledge, hypothecation or other disposition contrary to the provisions hereof, or other disposition, attachment, trustee process or similar process, whether legal or equitable, upon the Option.

6.            Severability

Each provision of this Agreement shall be treated as a separate and independent clause, and the unenforceability of any one clause shall in no way impair the enforceability of any of the other clauses herein.  In the event that any provision hereof or any obligation or grant, or rights by the undersigned hereunder is found invalid or unenforceable pursuant to judicial decree or decision, any such provision, obligation, or grant of right shall be deemed and construed to extend only to the maximum permitted by law, and the remainder of this Agreement shall remain valid and enforceable according to its terms.

7.            Withholding Taxes

Whenever Shares are to be issued upon exercise of this Option, the Company shall have the right to require the Optionee to remit to the Company an amount sufficient to satisfy all Federal, state and local withholding tax requirements prior to the delivery of any certificate or certificates for such Shares.

8.            No Special Rights

Nothing contained in the Plan or in this Agreement shall be construed or deemed by any person under any circumstances to bind the Company to continue the affiliation of the Optionee, as either employee or consultant or director,  with the Company for the period within which this Option may be exercised.  If Optionee is an employee of the Company, he/she acknowledges the he/she is an employee “at will” and that Company provides no guarantee or assurance of Optionee’s employment with Company prior to or after the vesting dates contained in Section 3 above.

9.            Non-Competition

The Optionee reaffirms his/her promise to be bound by the non-competition provision as stated in the Employee Invention, Non-Disclosure and Non-Competition Agreement entered into between the Optionee and the Company (the “Employment Agreement”).  The Optionee agrees that the granting of this Option and any pre-tax gains realized by the Optionee pursuant to the exercise of this Option (along with other good and valuable consideration including, but not limited to employment by the Company, salary and other Company-provided benefits) are additional and sufficient consideration for the Optionee’s performance of his/her non-competition obligations as stated in the Optionee’s Employment Agreement.  Optionee agrees that if he or she breaches the non-competition obligations of Optionee’s Employment Agreement then he or she shall pay damages to the Company, including, but not limited to an amount equal to the sum of: (a) the total of all pre-tax gains realized by Optionee as a result of the exercise of any portion of the Option and (b) the total of all pre-tax gains realized by Optionee as a result of the sale of any shares acquired by him/her through the exercise of any portion of the Option.

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed and its corporate seal to be hereto affixed by Robert J. Shillman, its Chairman thereunto duly authorized, and the Optionee has hereunto set his hand and seal, all as of the day and year first above written.

EXHIBIT 10S

COGNEX CORPORATION
By:
Chairman
	Optionee
	ROBERT WILLETT

V: 11/5/2014

EXHIBIT 10S

                                                                                    Grant # OT002537

ROBERT WILLETT

COGNEX CORPORATION

STOCK OPTION AGREEMENT (NON-QUALIFIED)

UNDER 2007 STOCK OPTION AND INCENTIVE PLAN

AGREEMENT entered into as of 11/03/2014, by and between COGNEX CORPORATION, a Massachusetts corporation (the "Company") and the undersigned employee, director or consultant of the Company or one of its subsidiaries (the "Optionee").

Recitals:

1.            The Company desires to afford the Optionee an opportunity to purchase shares of its common stock ($0.002 par value) ("Shares") to carry out the purposes of the Cognex Corporation 2007 Stock Option and Incentive Plan (the "Plan").

2.            Section 2(d) of the Plan provides that each option is to be evidenced by an option agreement, setting forth the terms and conditions of the option.

 ACCORDINGLY, in consideration of the premises and of the mutual covenants and agreements contained herein, the Company and the Optionee hereby agree as follows:

 1.            Grant of Option

The Company hereby grants to the Optionee a non-qualified stock option (the "Option") to purchase all or any part of an aggregate of  200,000 Shares on the terms and conditions hereinafter set forth, and the terms and conditions set forth in the Plan.

 2.            Purchase Price

The purchase price ("Purchase Price") for the Shares covered by the Option shall be $40.39

3.            Time and Manner of Exercise of Option

3.1          The Option shall not be exercisable prior to 11/03/2020  and, thereafter, shall be exercisable in full.

	Shares
	Becoming Available
On or After	for Exercise
11/03/2020	200,000

             Notwithstanding the foregoing, the Option shall not be exercisable until such time that the Optionee and the Company have duly executed all of the agreements required at the time of grant of the Option by the Company for 1) full-time employment by the Company, if the Optionee is an employee of the Company, including, but not limited to, the Company's Employee Invention, Non-Disclosure and Non-Competition Agreement, or 2) consultancy by the Company, if the optionee is a consultant to the Company, including, but not limited to, the Company's Consultant Agreement, or 3) directorship of the Company, if the Optionee is a director of the Company, including, but not limited to, the Company's Confidentiality and Non-Competition Agreement.

In the event of a corporate transaction, including a merger or reorganization, whereby the holders of the outstanding shares of common stock of the Company before the transaction fail to have a beneficial interest of 51 percent or more of the shares of outstanding common stock of the Company or its successor (or its ultimate parent) after the consummation of the transaction, and within 12 months of the consummation of the transaction, the Optionee’s employment is involuntarily terminated, the Option shall become immediately exercisable and shall be vested as if the Optionee had remained employed by the Company for two additional years beyond the actual date of termination of the Optionee’s employment with the Company. For purposes hereof, the Optionee’s employment is considered to be involuntarily terminated if the Company or its successor

EXHIBIT 10S

terminates the Optionee’s employment without Cause or the Optionee resigns his employment for Good Reason. The term “Cause” shall mean (i) the Optionee’s willful and continued failure to perform substantially his duties with the Company (other than any failure resulting from incapacity due to physical or mental illness), after a written demand of performance is delivered to the Optionee by the Board or the Chairman of the Company which identifies the manner in which the Board or Chairman believes that the Optionee has not substantially performed his duties; or (ii) the Optionee’s willful engagement in illegal conduct or gross misconduct which is materially injurious to the Company. The term “Good Reason”’ shall mean (i) a material diminution in the Optionee’s duties or responsibilities, excluding for this purpose any diminution related solely to the Company ceasing to be a reporting company for purposes of the Securities Exchange Act of 1934, or (ii) the Company requiring the Optionee to be based at any office or location that is more than fifty (50) miles from his current office.

3.2         To the extent that the right to exercise the Option has accrued and is in effect, the Option may be exercised in full at one time or in part from time to time, by giving written notice, signed by the person or persons exercising the Option, to the Company, stating the number of Shares with respect to which the Option is being exercised, accompanied by payment in full of the Purchase Price for such Shares, which payment may, at the Optionee’s request and in the Company's sole discretion, be in whole or in part in shares of the common stock of the Company already owned by the person or persons exercising the Option, valued at fair market value.  If such stock is traded on the NASDAQ Global Select Market System, the price shall be the last reported sale price of the stock reported by NASDAQ on such date or if no stock is traded on such date the next preceding date on which stock was traded.  The Option may also be exercised by means of a broker-assisted cashless exercise method contemplated by Section 5(e)(iii) of the Plan.

3.3         The Company shall at all times during the term of the Option reserve and keep available such number of shares of its common stock as will be sufficient to satisfy the requirements of the Option, shall pay all original issue and transfer taxes with respect to the issue and transfer of Shares pursuant hereto, and all other fees and expenses necessarily incurred by the Company in connection therewith.  The holder of this Option shall not have any of the rights of a stockholder of the Company in respect of the Shares until one or more certificates for such Shares shall be delivered to him upon the due exercise of the Option.

3.4        Optionee agrees that he/she will not claim, now or at any time in the future, whether during Optionee’s affiliation with the Company (i.e. during Optionee’s employment if an employee, or during Optionee’s consultancy engagement if a consultant, or during Optionee’s tenure as a director if a director of Company) or after such affiliation has terminated (either voluntarily or involuntarily and whether with or without cause), that Optionee should be entitled to exercise any of the then remaining unvested shares prior to the vesting dates for any reason, including, but not limited to, any claim for services, contributions or efforts made by Optionee on behalf of Cognex during his/her affiliation with Cognex.

4.            Term of Option

4.1          The Option shall terminate on November 3, 2024, but shall be subject to earlier termination as hereinafter provided.

4.2        In the event that the Optionee ceases to be affiliated with the Company  (or one of its subsidiaries) by reason of termination of his or her employment (whether voluntary or involuntary and whether with or without cause), consultancy or directorship, the Option may be exercised, only to the extent then exercisable under Section 3.1 within seven (7) business days after the date on which the Optionee ceased his or her such affiliation with the Company unless termination (a) was by the Company for

cause or was by the Optionee in breach of an employment, consulting or directorship contract, in any of which cases the Option shall terminate immediately at the time the Optionee ceases his or her such affiliation with the Company and shall not be exercisable, (b) was because the Optionee has become disabled (within the meaning of Section 105(d)(4) of the Internal Revenue Code of 1986, as amended), or (c) was by reason of the death of the Optionee.  In the case of disability, the Option may be exercised, to the extent then exercisable under Section 3.1, at any time within twelve (12) months after the date of termination of his or her such affiliation with the Company, but in any event prior to the expiration of ten (10) years from the date hereof.

4.3         In the event of the death of the Optionee, the Option may be exercised, to the extent the Optionee was entitled to do so on the date of his or her death under the provisions of Section 3.1 by the estate of the Optionee or by any person or persons who acquire the right to exercise the Option by bequest or inheritance or otherwise

EXHIBIT 10S

by reason of the death of the Optionee.  In such circumstances, the Option may be exercised at any time within twelve (12) months after the date of death of the Optionee, but in any event prior to the expiration of ten (10) years from the date hereof.

5.            Transferability of Options

The right of the Optionee to exercise the Option shall not be assignable or transferable by the Optionee otherwise than by will or the laws of descent and distribution, and the Option may be exercised during the lifetime of the Optionee only by him, except that (i) the Optionee may transfer the Option to the Optionee’s spouse or children or to a trust for the benefit of the Optionee or the Optionee’s spouse or children and (ii) the Optionee may transfer the Option pursuant to a divorce decree or other domestic relations order as defined in the Code or Title I of the Employee Retirement Income Security Act of 1974, as amended (or the rules thereunder).  The Option shall be null and void and without effect upon any attempted assignment or transfer, except as hereinabove provided, including without limitation, any purported assignment, whether voluntary or by operation of law, pledge, hypothecation or other disposition contrary to the provisions hereof, or other disposition, attachment, trustee process or similar process, whether legal or equitable, upon the Option.

 6.            Severability

Each provision of this Agreement shall be treated as a separate and independent clause, and the unenforceability of any one clause shall in no way impair the enforceability of any of the other clauses herein.  In the event that any provision hereof or any obligation or grant, or rights by the undersigned hereunder is found invalid or unenforceable pursuant to judicial decree or decision, any such provision, obligation, or grant of right shall be deemed and construed to extend only to the maximum permitted by law, and the remainder of this Agreement shall remain valid and enforceable according to its terms.

 7.            Withholding Taxes

Whenever Shares are to be issued upon exercise of this Option, the Company shall have the right to require the Optionee to remit to the Company an amount sufficient to satisfy all Federal, state and local withholding tax requirements prior to the delivery of any certificate or certificates for such Shares.

 8.            No Special Rights

Nothing contained in the Plan or in this Agreement shall be construed or deemed by any person under any circumstances to bind the Company to continue the affiliation of the Optionee, as either employee or consultant or director,  with the Company for the period within which this Option may be exercised.  If Optionee is an employee of the Company, he/she acknowledges the he/she is an employee “at will” and that Company provides no guarantee or assurance of Optionee’s employment with Company prior to or after the vesting dates contained in Section 3 above.

 9.            Non-Competition

The Optionee reaffirms his/her promise to be bound by the non-competition provision as stated in the Employee Invention, Non-Disclosure and Non-Competition Agreement entered into between the Optionee and the Company (the “Employment Agreement”).  The Optionee agrees that the granting of this Option and any pre-tax gains realized by the Optionee pursuant to the exercise of this Option (along with other good and valuable consideration including, but not limited to employment by the Company, salary and other Company-provided benefits) are additional and sufficient consideration for the Optionee’s performance of his/her non-competition obligations as stated in the Optionee’s Employment Agreement.  Optionee agrees that if he or she breaches the non-competition obligations of Optionee’s Employment Agreement then he or she shall pay damages to the Company, including, but not limited to an amount equal to the sum of: (a) the total of all pre-tax gains realized by Optionee as a result of the exercise of any portion of the Option and (b) the total of all pre-tax gains realized by Optionee as a result of the sale of any shares acquired by him/her through the exercise of any portion of the Option.

EXHIBIT 10S

IN WITNESS WHEREOF, the Company has caused this Agreement to be executed and its corporate seal to be hereto affixed by Robert J. Shillman, its Chairman thereunto duly authorized, and the Optionee has hereunto set his hand and seal, all as of the day and year first above written.

COGNEX CORPORATION
By:
Chairman
	Optionee
	ROBERT WILLETT

V: 11/5/2014

EX-10.T

EXHIBIT 10T

COGNEX CORPORATION

SUMMARY OF DIRECTOR COMPENSATION

Cognex Corporation (the “Company”) pays each Director (other than Robert J. Shillman, Robert J. Willett, and Patrick A. Alias) an annual fee for his services on the Company’s Board of Directors and its committees, plus additional amounts for participation in on-site and telephonic meetings. Each Director receives cash compensation in the amount of $10,500, plus an additional $5,250 for each on-site meeting.  Each Director receives $525 for each telephonic meeting attended.

Each Director who serves on the Compensation/Stock Option Committee of the Company’s Board of Directors receives an annual fee of $2,100, plus $525 for each telephonic meeting attended on a day other than that of a Board meeting.  Each Director who serves on the Audit Committee of the Company’s Board of Directors receives an annual fee of $4,725, plus $1,575 for each on-site meeting attended on a day other than that of a Board meeting or $525 for each telephonic meeting attended.  The Chairman of the Audit Committee receives an additional fee of $4,200.  Each Director who serves on the Nominating Committee receives an annual fee of $525.

Neither Dr. Shillman, Mr. Willett, nor Mr. Alias receive additional cash compensation to serve on the Company’s Board of Directors. 

Mr. Willett and Mr. Alias receive stock options as employees of the Company. Dr. Shillman is eligible to receive options as an employee of the Company, but he has refused to accept any since 2009 as he feels that he has been adequately rewarded in the past. He would prefer that any options that would be granted to him be available for granting to other employees. Directors are also eligible to receive stock options as part of the Company’s annual grant. All stock option grants are reviewed by the Compensation Committee.

EX-21

EXHIBIT 21

COGNEX CORPORATION

SUBSIDIARIES OF THE REGISTRANT

As of December 31, 2014, the registrant had the following subsidiaries, the financial statements of which are all included in the consolidated financial statements of the registrant:

NAME OF SUBSIDIARY	STATE/COUNTRY OF INCORPORATION	PERCENT OWNERSHIP
Cognex Asia, Inc. (formerly Cognex China, Inc.)	Delaware	100%
Cognex Canada, Inc.	Delaware	100%
Cognex Canada Technology, Inc.	California	100%
Cognex Europe, B.V.	Netherlands	100%
Cognex Europe, Inc.	Delaware	100%
Cognex Foreign Sales Corporation	Barbados	100%
Cognex Germany, Inc.	Massachusetts	100%
Cognex Germany Aachen GmbH	Germany	100%
Cognex Goruntu Sistemleri Satis ve Ticaret Limited Sirketi	Turkey	100%
Cognex Hungary Kft.	Hungary	100%
Cognex International, Inc.	Delaware	100%
Cognex Ireland Ltd.	Ireland	100%
Cognex K.K.	Japan	100%
Cognex Korea, Inc.	Delaware	100%
Cognex, Ltd.	Ireland	100%
Cognex Representacao Comercial E Participacoes Ltda.	Brazil	100%
Cognex Sensors India Private Limited	India	100%
Cognex Service, Inc	Delaware	100%
Cognex Service Ltd.	Ireland	100%
Cognex Singapore, Inc.	Delaware	100%
Cognex Taiwan, Inc.	Delaware	100%
Cognex Technology and Investment LLC	California	100%
Cognex UK Ltd.	United Kingdom	100%
Cognex Vision B.V.	Netherlands	100%
Cognex Vision Inspection System (Shanghai) Co., Ltd.	China	100%
Vision Drive, Inc.	Delaware	100%
One Vision Drive LLC (formerly Vision Drive Retail LLC)	Massachusetts	100%

EX-23.1

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated February 12, 2015, with respect to the consolidated financial statements, schedule, and internal control over financial reporting included in the Annual Report of Cognex Corporation on Form 10-K for the year ended December 31, 2014. We hereby consent to the incorporation by reference of said reports in the Registration Statements of Cognex Corporation on Forms S-8 (File Nos. 333-02151, effective April 21, 1996; 333-60807, effective August 6, 1998; 333-96961, effective July 23, 2002; 333-100709, effective October 24, 2002; 333-126787, effective July 21, 2005; and 333-150315, effective April 18, 2008).

/s/ GRANT THORNTON LLP

Boston, Massachusetts

February 12, 2015

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, Robert J. Willett, certify that:

1	I have reviewed this Annual Report on Form 10-K of Cognex Corporation;
2	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3	Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4	The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
	(a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	(b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	(c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
	(d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5	The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	(a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	(b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 12, 2015	By:	/s/ Robert J. Willett
			Robert J. Willett
			President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Richard A. Morin, certify that:

1	I have reviewed this Annual Report on Form 10-K of Cognex Corporation;
2	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3	Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4	The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
	(a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	(b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	(c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
	(d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5	The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	(a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	(b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	February 12, 2015	By:	/s/ Richard A. Morin
			Richard A. Morin
			Executive Vice President of Finance and Administration and Chief Financial Officer

EX-32.1

EXHIBIT 32.1*

CERTIFICATION PURSUANT TO

18 U.S.C. 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned officer of Cognex Corporation (the “Company”) hereby certifies that the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	February 12, 2015	By:	/s/ Robert J. Willett
			Robert J. Willett
			President and Chief Executive Officer
			(principal executive officer)

* This certification shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.

EX-32.2

EXHIBIT 32.2*

CERTIFICATION PURSUANT TO

18 U.S.C. 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned officer of Cognex Corporation (the “Company”) hereby certifies that the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	February 12, 2015	By:	/s/ Richard A. Morin
			Richard A. Morin
			Executive Vice President of Finance and Administration and Chief Financial Officer
			(principal financial officer)

* This certification shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.

XML

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Future Minimum Rental Payments Under Lease Agreements

Future minimum rental payments under these agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	5,315
2016	3,309
2017	2,050
2018	1,490
2019	1,416
Thereafter	2,217
	$	15,797

Future Minimum Rental Receipts Under Non - Cancelable Lease Agreements

Rental income and related expenses are included in “Other income (expense)” on the Consolidated Statements of Operations. Future minimum rental receipts under non-cancelable lease agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	1,678
2016	1,675
2017	1,415
2018	1,009
2019	1,035
Thereafter	1,417
	$	8,229

XML

Cash, Cash Equivalents and Investments - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Cash balance included foreign bank balance	$ 43,732,000	$ 32,096,000
Gross realized gains on sale of debt securities	843,000	508,000	1,990,000
Gross realized losses on sale of debt securities	170,000	194,000	295,000
Maximum amount committed to invest in limited partnership	20,500,000
Contribution to limited partnership	19,886,000
Remaining amount of commitment in limited partnership	614,000
Received a stock distribution		362,000	2,193,000
Proceeds for liquidation of stock		347,000	2,128,000
Recorded a realized loss on stock distribution		15,000	65,000
Proceeds from Limited Partnership Investments		1,422,000
Carrying value of investment	1,956,000	1,956,000
Cost Method Investments, Fair Value Disclosure	6,200,000
Payments to Acquire Marketable Securities			2,136,000
Trading Securities, Unrealized Holding Loss			5,000
Trading Securities		1,429,000
Trading Securities, Realized Loss		$ 702,000

XML

Summary of Significant Accounting Policies Summary of Significant Accounting Policies- Goodwill (Details)	12 Months Ended
	Dec. 31, 2014
Goodwill [Line Items]
Qualitative Assessment, years	four

XML

Guarantees (Details) (Standby Letters of Credit [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 2,127
Bank Guarantees
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	990
Warranty Bonds
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	713
Performance Bonds
Guarantor Obligations [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 424

XML

Cash, Cash Equivalents, and Investments - Amortized Cost to Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 489,447
Gross Unrealized Gains	578
Gross Unrealized Losses	(680)
Fair Value, Total	489,345
Euro liquidity fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	48,235
Euro liquidity fund [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	48,229
Gross Unrealized Gains	6
Fair Value, Total	48,235
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	247,183
Corporate Bonds [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	30,842
Gross Unrealized Gains	50
Gross Unrealized Losses	(3)
Fair Value, Total	30,889
Corporate Bonds [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	216,404
Gross Unrealized Gains	442
Gross Unrealized Losses	(552)
Fair Value, Total	216,294
Agency Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	16,449
Agency Bonds [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	6,883
Fair Value, Total	6,883
Agency Bonds [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,570
Gross Unrealized Gains	4
Gross Unrealized Losses	(8)
Fair Value, Total	9,566
Supranational bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	1,901
Supranational bonds [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,900
Gross Unrealized Gains	1
Fair Value, Total	1,901
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	63,867
Asset-Backed Securities [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,311
Fair Value, Total	1,311
Asset-Backed Securities [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	62,590
Gross Unrealized Gains	18
Gross Unrealized Losses	(52)
Fair Value, Total	62,556
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	7,837
Municipal Bonds [Member] | Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,232
Gross Unrealized Gains	5
Fair Value, Total	1,237
Municipal Bonds [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	6,567
Gross Unrealized Gains	33
Fair Value, Total	6,600
Treasury Bills [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	90,412
Treasury Bills [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	90,458
Gross Unrealized Gains	8
Gross Unrealized Losses	(54)
Fair Value, Total	90,412
Sovereign Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Total	13,461
Sovereign Bonds [Member] | Long-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	13,461
Gross Unrealized Gains	11
Gross Unrealized Losses	(11)
Fair Value, Total	$ 13,461

XML

Stock-Based Compensation Expense - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014 Employees	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of groups within the employee population	2
Percentage of stock options granted to all other employees expected to vest	70.00%
Percentage of stock options granted to senior management expected to vest	72.00%
Estimated forfeiture rate for unvested options for senior management	11.00%
Estimated forfeiture rate for unvested options for all non-senior management	12.00%
Increase In Compensation Expense Due To Revised Estimated Forfeiture Rates	$ 288,000	$ 300,000	$ 200,000
Weighted-average grant-date fair values of stock options granted	$ 15.97	$ 8.21	$ 6.58
Total intrinsic values of stock options exercised	31,884,000	32,096,000	16,296,000
Total fair values of stock options vested	11,627,000	9,717,000	9,362,000
Total unrecognized compensation expense related to non-vested stock options	19,389,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Period for Recognition	1 year 6 months 30 days
Stock-based compensation expense	15,158,000	10,620,000	8,520,000
Income tax benefit recognized related to stock-based compensation expense	4,977,000	3,482,000	2,772,000
Compensation expense capitalized	$ 0	$ 0	$ 0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under stock option plans	9,203,289
Vesting period for stock option plans	4 years
Expiration period of stock option plan	10 years
Expected dividend yield, beginning in 2015	0.56%

XML

Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Effective maturity of investments	10 years
Maximum investment of the company in partnership	5.00%
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	39 years
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Computer Hardware and Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	2 years
Computer Hardware and Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Manufacturing test equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	2 years
Manufacturing test equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	2 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years

XML

Cash, Cash Equivalents, and Investments (Tables)

12 Months Ended

Dec. 31, 2014

Cash and Cash Equivalents [Abstract]

Components of Cash, Cash Equivalents and Investments

Cash, cash equivalents, and investments consisted of the following (in thousands):

	December 31,
	2014		2013
Cash	$	54,917	$	40,124
Money market instruments	777		520
Cash and cash equivalents	55,694		40,644
Euro liquidity fund	48,235		—
Corporate bonds	30,889		109,040
Agency bonds	6,883		1,499
Supranational bonds	1,901		—
Asset-backed securities	1,311		53,559
Municipal bonds	1,237		9,276
Sovereign bonds	—		11,448
Short-term investments	90,456		184,822
Corporate bonds	216,294		109,909
Treasury bills	90,412		73,666
Asset-backed securities	62,556		21,820
Sovereign bonds	13,461		16,385
Agency bonds	9,566		—
Municipal bonds	6,600		5,919
Limited partnership interest (accounted for using cost method)	1,956		1,956
Long-term investments	400,845		229,655
	$	546,995	$	455,121

Summary of Available-for-Sale Investments

The following tables summarize the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Short-term:
Euro liquidity fund	$	48,229	$	6	$	—		$	48,235
Corporate bonds	30,842		50		(3		)	30,889
Agency bonds	6,883		—		—			6,883
Supranational bonds	1,900		1		—			1,901
Asset-backed securities	1,311		—		—			1,311
Municipal bonds	1,232		5		—			1,237
Long-term:
Corporate bonds	216,404		442		(552		)	216,294
Treasury bills	90,458		8		(54		)	90,412
Asset-backed securities	62,590		18		(52		)	62,556
Sovereign bonds	13,461		11		(11		)	13,461
Agency bonds	9,570		4		(8		)	9,566
Municipal bonds	6,567		33		—			6,600
	$	489,447	$	578	$	(680	)	$	489,345

Gross Unrealized Losses and Fair Value for Available-for-Sale Investments

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of December 31, 2014 (in thousands):

	Unrealized Loss Position For Less than 12 Months					Unrealized Loss Position For Greater than 12 Months					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate bonds	$	126,038	$	(555	)	$	—	$	—		$	126,038	$	(555	)
Treasury bills	70,901		(54		)	—		—			70,901		(54		)
Asset-backed securities	33,603		(36		)	3,487		(16		)	37,090		(52		)
Agency bonds	7,135		(8		)	—		—			7,135		(8		)
Sovereign bonds	6,553		(11		)	—		—			6,553		(11		)
	$	244,230	$	(664	)	$	3,487	$	(16	)	$	247,717	$	(680	)

Effective Maturity Dates of Available-for-Sale Investments

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	<1 Year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		5-8 Years		Total
Corporate bonds	$	30,889	$	82,238	$	97,921	$	19,718	$	16,417	$	—	$	247,183
Treasury bills	—		85,629		4,783		—		—		—		90,412
Asset-backed securities	1,311		4,788		19,542		23,815		8,967		5,444		63,867
Euro liquidity fund	48,235		—		—		—		—		—		48,235
Agency bonds	6,883		4,506		5,060		—		—		—		16,449
Sovereign bonds	—		9,768		3,693		—		—		—		13,461
Municipal bonds	1,237		1,719		4,881		—		—		—		7,837
Supranational bonds	1,901		—		—		—		—		—		1,901
	$	90,456	$	188,648	$	135,880	$	43,533	$	25,384	$	5,444	$	489,345

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Stock-Based Compensation Expense - Summary of Stock Option Activity (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding, Shares	6,138
Granted	2,115
Exercised	(1,232)
Forfeited or expired	(209)
Outstanding, Shares	6,812
Exercisable, Shares	2,208
Options vested or expected to vest	6,098	[1]
Outstanding, Weighted-Average Exercise Price	$ 15.65
Granted, Weighted-Average Exercise Price	$ 39.49
Exercised, Weighted-Average Exercise Price	$ 13.74
Forfeited or expired, Weighted-Average Exercise Price	$ 20.12
Outstanding, Weighted-Average Exercise Price	$ 23.26
Exercisable, Weighted-Average Exercise Price	$ 13.38
Options vested or expected to vest, Weighted-Average Exercise Price	$ 22.04	[1]
Outstanding, Weighted-Average Remaining Contractual Term (in years)	7 years 3 months 12 days
Exercisable, Weighted-Average Remaining Contractual Term (in years)	5 years 2 months 24 days
Options vested or expected to vest, Weighted-Average Remaining Contractual Term (in years)	7 years 1 month 0 days	[1]
Outstanding, Aggregate Intrinsic Value	$ 123,252
Exercisable, Aggregate Intrinsic Value	61,711
Options vested or expected to vest, Aggregate Intrinsic Value	$ 117,733	[1]

[1] (1) In addition to the vested options, the Company expects a portion of the unvested options to vest at some point in the future. Options expected to vest are calculated by applying an estimated forfeiture rate to the unvested options.

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Derivative Instruments - Balance Sheet Location (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Net amount of assets presented	$ 114	$ 210
Net amount of liabilities presented	97	122
Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net amount of assets presented	108	204
Designated as Hedging Instrument [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Net amount of liabilities presented	84	98
Not Designated as Hedging Instrument [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net amount of assets presented	6	6
Not Designated as Hedging Instrument [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Net amount of liabilities presented	$ 13	$ 24

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Weighted Average Shares - Calculation of Weighted Average Shares (Detail) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013		Dec. 31, 2012
Earnings Per Share [Abstract]
Basic weighted-average common shares outstanding	86,858	86,946	[1]	85,666	[1]
Effect of dilutive stock options	2,213	1,955		1,614
Diluted weighted-average common and common-equivalent shares outstanding	89,071	88,901	[1]	87,280	[1]

[1] Prior period results have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.

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Cash, Cash Equivalents and Investments - Effective Maturity Dates of Available-for-Sale Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	$ 90,456
1-2 Years	188,648
2-3 Years	135,880
3-4 Years	43,533
4-5 Years	25,384
5-8 Years	5,444
Fair Value, Total	489,345
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	30,889
1-2 Years	82,238
2-3 Years	97,921
3-4 Years	19,718
4-5 Years	16,417
5-8 Years	0
Fair Value, Total	247,183
Treasury Bills [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	0
1-2 Years	85,629
2-3 Years	4,783
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	90,412
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	1,311
1-2 Years	4,788
2-3 Years	19,542
3-4 Years	23,815
4-5 Years	8,967
5-8 Years	5,444
Fair Value, Total	63,867
Euro liquidity fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	48,235
1-2 Years	0
2-3 Years	0
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	48,235
Agency Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	6,883
1-2 Years	4,506
2-3 Years	5,060
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	16,449
Sovereign Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	0
1-2 Years	9,768
2-3 Years	3,693
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	13,461
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	1,237
1-2 Years	1,719
2-3 Years	4,881
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	7,837
Supranational bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 1 Year	1,901
1-2 Years	0
2-3 Years	0
3-4 Years	0
4-5 Years	0
5-8 Years	0
Fair Value, Total	$ 1,901

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Derivative Instruments - Changes in AOCI (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance		$ (29,833)
Ending balance	(39,399)	(29,833)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	104
Reclassification of net realized loss on cash flow hedges into current operations	46
Net unrealized loss on cash flow hedges	(118)
Ending balance	$ 32

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Taxes - Reconciliation of the United States Federal Statutory Corporate Tax Rate to Company's Effective Tax Rate or Income Tax Provision (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax provision at federal statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	1.00%	1.00%	1.00%
Foreign tax rate differential	(17.00%)	(17.00%)	(14.00%)
Tax credit	0.00%	(1.00%)	0.00%
Discrete tax events	(1.00%)	(3.00%)	0.00%
Other	0.00%	1.00%	(1.00%)
Income tax provision	18.00%	16.00%	21.00%

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Stock-Based Compensation Stock-Based Compensation Expense- Summary of Restricted Stock Option Activity (Detail) (Details) (Restricted Stock [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Restricted Stock [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options, Shares Nonvested	20	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	20
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 34.05
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$ 0
Options, Nonvested, Weighted-Average Exercise Price, in dollars per share	$ 34.05	$ 0
Nonvested as of December 31, 2014, Aggregate Intrinsic Value	$ 146

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Taxes - Changes in the Reserve for Income Taxes, Excluding Interest and Penalties (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Balance of reserve for income taxes	$ 4,408	$ 4,024
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in prior periods		438
Unrecognized Tax Benefits, Period Increase (Decrease)	(226)
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,095	1,048
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(15)	0
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(135)	(1,102)
Balance of reserve for income taxes	$ 5,127	$ 4,408

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Shareholders' Equity - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended		0 Months Ended	3 Months Ended
	Dec. 31, 2014 Vote	Dec. 31, 2012	Dec. 31, 2014 Vote	Dec. 31, 2013	Jul. 31, 2013	Sep. 29, 2013	Sep. 30, 2013	Dec. 05, 2008 Right	Apr. 27, 2008	Nov. 27, 2011	Apr. 29, 2014
Class of Stock [Line Items]
Authorized shares	400,000		400,000
Preferred stock Par value (in dollars per share)	$ 0.01		$ 0.01
Vote entitled for each common share outstanding	1		1
Common stock par value, in dollars per share	$ 0.002		$ 0.002	$ 0.002			$ 0.002
Number of preferred stock purchase right for dividend distribution								1
Outstanding common share to be acquiring person	15.00%		15.00%
Stock Repurchased During Period, Value			$ 59,673,000	$ 47,908,000
Cash dividend declared per common share	$ 0	$ 0.055
Special dividend declared and paid		$ 0.50
Common Stock [Member]
Class of Stock [Line Items]
Stock split ratio					2	2
Common Stock [Member] | Repurchase Program 2008 [Member]
Class of Stock [Line Items]
Repurchase of authorized common stock									50,000,000
Common Stock [Member] | Repurchase Program 2011 [Member]
Class of Stock [Line Items]
Repurchase of authorized common stock										80,000,000
Aggregate stock repurchased, shares	2,243,000		2,243,000
Aggregate stock repurchased, value	80,000,000		80,000,000
Stock Repurchased During Period, Shares			1,351,000
Stock Repurchased During Period, Value			52,095,000
Common Stock [Member] | Repurchase Program 2014 [Member]
Class of Stock [Line Items]
Repurchase of authorized common stock											50,000,000
Stock Repurchased During Period, Shares			183,000
Stock Repurchased During Period, Value			$ 7,578,000

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Derivative Instruments Derivative Instruments - Additional Details (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Derivative [Line Items]
Net gains expected to be reclassified from accumulated other comprehensive income (loss)	$ 47
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Maturities of forward of contracts	45 days
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Maturities of foreign currency forward contracts	18 months

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Stock-Based Compensation

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Stock Option Plans

The Company’s share-based payments that result in compensation expense consist of stock option grants and restricted stock awards. As of December 31, 2014, the Company had 9,203,289 shares available for grant. Generally, stock options are granted with an exercise price equal to the market value of the Company’s common stock at the grant date, vest over four years based upon continuous service, and expire ten years from the grant date. Restricted stock awards are granted with an exercise price equal to the market value of the Company's common stock at the time of grant. Conditions of the award may be based upon continuing employment and/or achievement of pre-established performance goals and objectives. Vesting for performance-based restricted stock awards and time-based restricted stock awards must be greater than one year and three years, respectively.

The following table summarizes the Company’s stock option activity for the year ended December 31, 2014:

	Shares (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2013	6,138		$	15.65
Granted	2,115		39.49
Exercised	(1,232	)	13.74
Forfeited or expired	(209	)	20.12
Outstanding as of December 31, 2014	6,812		$	23.26	7.28	$	123,252
Exercisable as of December 31, 2014	2,208		$	13.38	5.23	$	61,711
Options vested or expected to vest at   December 31, 2014 (1)	6,098		$	22.04	7.08	$	117,733

(1) In addition to the vested options, the Company expects a portion of the unvested options to vest at some point in the future. Options expected to vest are calculated by applying an estimated forfeiture rate to the unvested options.

The fair values of stock options granted in each period presented were estimated using the following weighted-average assumptions:

	Year Ended December 31,
	2014		2013		2012
Risk-free rate	2.6	%	2.0	%	2.0	%
Expected dividend yield	—	%	—	%	1.2	%
Expected volatility	41	%	42	%	44	%
Expected term (in years)	5.4		5.8		5.7

Risk-free rate

The risk-free rate was based upon a treasury instrument whose term was consistent with the contractual term of the option.

Expected dividend yield

Generally, the current dividend yield is calculated by annualizing the cash dividend declared by the Company’s Board of Directors and dividing that result by the closing stock price on the grant date.  However, in the fourth quarter of 2012, the Company paid the full annual dividends for 2013 and 2014 in advance, and therefore, the dividend yield for those years has been adjusted to zero.  A dividend yield of 0.56% was estimated for future periods from 2015 through the expected life of the option.

Expected volatility

The expected volatility was based upon a combination of historical volatility of the Company’s common stock over the contractual term of the option and implied volatility for traded options of the Company’s stock.

Expected term

The expected term was derived from the binomial lattice model from the impact of events that trigger exercises over time.

The Company stratifies its employee population into two groups: one consisting of senior management and another consisting of all other employees. The Company currently expects that approximately 72% of its stock options granted to senior management and 70% of its options granted to all other employees will actually vest. Therefore, the Company currently applies an estimated forfeiture rate of 11% to all unvested options for senior management and a rate of 12% for all other employees. The Company revised its estimated forfeiture rates in the first quarter of2014, 2013 and 2012, resulting in an increase to compensation expense of $288,000, $300,000, and $200,000 in 2014, 2013, and 2012, respectively.

The weighted-average grant-date fair value of stock options granted was $15.97 in 2014, $8.21 in 2013, and $6.58 in 2012.

The total intrinsic value of stock options exercised was $31,884,000 in 2014, $32,096,000 in 2013, and $16,296,000 in 2012. The total fair value of stock options vested was $11,627,000 in 2014, $9,717,000 in 2013, and $9,362,000 in 2012.

As of December 31, 2014, total unrecognized compensation expense related to non-vested stock options was $19,389,000, which is expected to be recognized over a weighted-average period of 1.58 years.

The following table summarizes the Company's restricted stock activity for the year ended December 31, 2014:

	Shares (in thousands)	Weighted-Average Exercise Price		Aggregate Intrinsic Value (in thousands)
Nonvested as of December 31, 2013	—	$	—
Granted	20	34.05
Vested	—	—
Forfeited or expired	—	—
Nonvested as of December 31, 2014	20	$	34.05	$	146

The fair values of restricted stock awards granted were determined based upon the market value of the Company's common stock at the time of grant. The initial cost is then amortized over the period of vesting until the restrictions lapse. These restricted shares will be fully vested in 2018. Participants are entitled to dividends on restricted stock awards, but only receive those amounts if the shares vest. The sale or transfer of these shares is restricted during the vesting period.

The total stock-based compensation expense and the related income tax benefit recognized was $15,158,000 and $4,977,000, respectively, in 2014, $10,620,000 and $3,482,000, respectively, in 2013, and $8,520,000 and $2,772,000, respectively, in 2012. No compensation expense was capitalized in 2014, 2013, or 2012.

The following table details the stock-based compensation expense by caption for each period presented on the Consolidated Statements of Operations (in thousands):

	Year Ended December 31,
	2014		2013		2012
Product cost of revenue	$	1,033	$	747	$	581
Service cost of revenue	171		177		161
Research, development, and engineering	3,832		2,585		2,149
Selling, general, and administrative	10,122		7,111		5,629
	$	15,158	$	10,620	$	8,520

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Summary of Significant Accounting Policies - Advertising Costs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accounting Policies [Abstract]
Advertising costs	$ 1,289	$ 1,656	$ 1,792

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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Activity

The following table summarizes the Company’s stock option activity for the year ended December 31, 2014:

	Shares (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2013	6,138		$	15.65
Granted	2,115		39.49
Exercised	(1,232	)	13.74
Forfeited or expired	(209	)	20.12
Outstanding as of December 31, 2014	6,812		$	23.26	7.28	$	123,252
Exercisable as of December 31, 2014	2,208		$	13.38	5.23	$	61,711
Options vested or expected to vest at   December 31, 2014 (1)	6,098		$	22.04	7.08	$	117,733

(1) In addition to the vested options, the Company expects a portion of the unvested options to vest at some point in the future. Options expected to vest are calculated by applying an estimated forfeiture rate to the unvested options.

Weighted-Average Assumptions Used in Estimating Fair Values of Stock Options Granted

The fair values of stock options granted in each period presented were estimated using the following weighted-average assumptions:

	Year Ended December 31,
	2014		2013		2012
Risk-free rate	2.6	%	2.0	%	2.0	%
Expected dividend yield	—	%	—	%	1.2	%
Expected volatility	41	%	42	%	44	%
Expected term (in years)	5.4		5.8		5.7

Nonvested Restricted Stock Shares Activity [Table Text Block]

The following table summarizes the Company's restricted stock activity for the year ended December 31, 2014:

	Shares (in thousands)	Weighted-Average Exercise Price		Aggregate Intrinsic Value (in thousands)
Nonvested as of December 31, 2013	—	$	—
Granted	20	34.05
Vested	—	—
Forfeited or expired	—	—
Nonvested as of December 31, 2014	20	$	34.05	$	146

Stock-Based Compensation Expense

The following table details the stock-based compensation expense by caption for each period presented on the Consolidated Statements of Operations (in thousands):

	Year Ended December 31,
	2014		2013		2012
Product cost of revenue	$	1,033	$	747	$	581
Service cost of revenue	171		177		161
Research, development, and engineering	3,832		2,585		2,149
Selling, general, and administrative	10,122		7,111		5,629
	$	15,158	$	10,620	$	8,520

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Derivative Instruments - Gain (Loss) Recognized in Other Comprehensive Income (Loss) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Total gains (losses) reclassified from accumulated other comprehensive income (loss) into net income	$ (46,000)	$ 0	$ 0
Accumulated other comprehensive income (loss), net of tax | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recorded in shareholders' equity (effective portion)	32,000	104,000	0
Total gains (losses) reclassified from accumulated other comprehensive income (loss) into net income	(46,000)	0	0
Product Revenue | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	(14,000)	0	0
Research, development, and engineering expenses | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	(42,000)	0	0
Selling, general and administrative expenses | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) reclassified from accumulated other comprehensive income (loss) into net income (effective portion)	10,000	0	0
Foreign currency gain (loss) | Designated as Hedging Instrument [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Gains (losses) recognized in net income on derivatives (ineffective portion and discontinued derivatives)	0	0	0
Foreign currency gain (loss) | Not Designated as Hedging Instrument [Member]
Derivative, Gain (Loss) on Derivative, Net [Abstract]
Gains (losses) recognized in net income	$ 540,000	$ (193,000)	$ (722,000)

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Goodwill (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Value of Goodwill

The changes in the carrying value of goodwill were as follows (in thousands):

	MVSD		SISD		Consolidated
Balance as of December 31, 2012	$	77,388	$	4,301	$	81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2013	77,388		4,301		81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2014	$	77,388	$	4,301	$	81,689

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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Liabilities:
Other than temporary impairment loss	$ 0	$ 0	$ 0
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net, non current	0	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets:
Money market instruments	777,000
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Corporate bonds	247,183,000
Treasury bills	90,412,000
Asset-backed securities	63,867,000
Euro liquidity funds	48,235,000
Agency bonds	16,449,000
Sovereign bonds	13,461,000
Municipal bonds	7,837,000
Supranational bonds	1,901,000
Cash flow hedge forward contracts	108,000
Economic hedge forward contracts	6,000
Liabilities:
Cash flow hedge forward contracts	84,000
Economic hedge forward contracts	$ 13,000

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Commitments and Contingencies - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended				12 Months Ended
	Apr. 30, 2014	Jul. 31, 2010 patent	Jul. 31, 2010 Patents	Dec. 31, 2009 Respondent	Sep. 30, 2009 Respondent	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Number of respondents with whom a settlement was reached				5	2
Number of the Company's patents found invalid			2
Number of the Company's patents found invalid		2
Proceeds from Legal Settlements	$ 2,600,000
Purchase order outstanding						4,748,000
Total annual rental expense						6,021,000	5,772,000	5,806,000
Total annual rental income						$ 1,794,000	$ 676,000	$ 854,000

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Intangible Assets - Amortized Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 49,540	$ 49,540
Accumulated Amortization	38,841	34,817
Net Carrying Value	10,699	14,723
Distribution networks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	38,060	38,060
Accumulated Amortization	31,765	28,479
Net Carrying Value	6,295	9,581
Customer contracts and relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	6,690	6,690
Accumulated Amortization	5,877	5,661
Net Carrying Value	813	1,029
Completed technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,420	4,420
Accumulated Amortization	877	407
Net Carrying Value	3,543	4,013
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	370	370
Accumulated Amortization	322	270
Net Carrying Value	$ 48	$ 100

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Summary of Significant Accounting Policies - Intangible Assets (Details)	12 Months Ended
	Dec. 31, 2014
Distribution Rights [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	11 years
Distribution Rights [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Customer Contracts And Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	8 years
Customer Contracts And Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Completed Technologies And Other Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Completed Technologies And Other Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	8 years

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Dec. 31, 2011	$ 552,980	$ 168	$ 135,584	$ 434,581	$ (17,353)
Beginning Balance, Shares at Dec. 31, 2011		84,446,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock option plans	17,468	4	17,464
Issuance of common stock under stock option plans, shares		1,664,000
Stock-based compensation expense	8,520		8,520
Excess tax benefit from stock option exercises	3,594		3,594
Payment of dividends	(66,213)			(66,213)
Net income	68,098			68,098
Net unrealized gain (loss) on cash flow hedges, net of tax	0
Reclassification of net realized (gain) loss into current operations	0
Net unrealized gain (loss) on available-for-sale investments, net of tax	2,079				2,079
Reclassification of net realized gain on the sale of available-for-sale investments	(1,695)				(1,695)
Foreign currency translation adjustments, net of tax	(12,546)				(12,546)
Balance at Dec. 31, 2012	572,285	172	165,162	436,466	(29,515)
Balance, Shares at Dec. 31, 2012		86,110,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock option plans	27,792	2	27,790
Issuance of common stock under stock option plans, shares		2,440,000
Repurchase of common stock	(47,908)			(47,908)
Repurchase of common stock, shares		(1,719,000)
Stock-based compensation expense	10,620		10,620
Excess tax benefit from stock option exercises	7,658		7,658
Tax benefit for research and development credits as a result of stock options	210		210
Net income	73,573			73,573
Net unrealized gain (loss) on cash flow hedges, net of tax	104				104
Reclassification of net realized (gain) loss into current operations	0
Net unrealized gain (loss) on available-for-sale investments, net of tax	(190)				(190)
Reclassification of net realized gain on the sale of available-for-sale investments	(314)				(314)
Foreign currency translation adjustments, net of tax	82				82
Balance at Dec. 31, 2013	643,912	174	211,440	462,131	(29,833)
Balance, Shares at Dec. 31, 2013	86,831,000	86,831,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under stock option plans	16,930	2	16,928
Issuance of common stock under stock option plans, shares	1,232,000	1,245,000
Repurchase of common stock	(59,673)	(3)		(59,670)
Repurchase of common stock, shares		(1,534,000)
Stock-based compensation expense	15,158		15,158
Excess tax benefit from stock option exercises	7,871		7,871
Tax benefit for research and development credits as a result of stock options	320		320
Net income	121,485			121,485
Net unrealized gain (loss) on cash flow hedges, net of tax	(118)				(118)
Reclassification of net realized (gain) loss into current operations	46				46
Net unrealized gain (loss) on available-for-sale investments, net of tax	579				579
Reclassification of net realized gain on the sale of available-for-sale investments	(673)				(673)
Foreign currency translation adjustments, net of tax	(9,400)				(9,400)
Balance at Dec. 31, 2014	$ 736,437	$ 173	$ 251,717	$ 523,946	$ (39,399)
Balance, Shares at Dec. 31, 2014	86,542,000	86,542,000

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Intangible Assets - Estimated Amortization Expense Succeeding Fiscal Years (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
2015	$ 4,366
2016	3,427
2017	1,618
2018	913
2019	375
Thereafter	0
Net Carrying Value	$ 10,699	$ 14,723

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Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Constituents of Provision for Income Taxes

The provision for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2014			2013		2012
Current:
Federal	$	23,484		$	8,720	$	11,284
State	973			721		789
Foreign	4,854			3,167		5,790
	29,311			12,608		17,863
Deferred:
Federal	(2,569		)	1,580		428
State	7			119		36
Foreign	(837		)	6		205
	(3,399		)	1,705		669
	$	25,912		$	14,313	$	18,532

Reconciliation of the United States Federal Statutory Corporate Tax Rate to the Company's Effective Tax Rate or Income Tax Provision

A reconciliation of the United States federal statutory corporate tax rate to the Company’s effective tax rate was as follows:

	Year Ended December 31,
	2014		2013		2012
Income tax provision at federal statutory rate	35	%	35	%	35	%
State income taxes, net of federal benefit	1		1		1
Foreign tax rate differential	(17	)	(17	)	(14	)
Tax credit	—		(1	)	—
Discrete tax events	(1	)	(3	)	—
Other	—		1		(1	)
Income tax provision	18	%	16	%	21	%

Changes in the Reserve for Income Taxes, Excluding Interest and Penalties

The changes in the reserve for income taxes, excluding gross interest and penalties, were as follows (in thousands):

Balance of reserve for income taxes as of December 31, 2012	$	4,024
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in prior periods	438
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,048
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	—
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(1,102		)
Balance of reserve for income taxes as of December 31, 2013	4,408
Gross amounts of decreases in unrecognized tax benefits as a result of tax positions taken in prior periods	(226		)
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,095
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(15		)
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(135		)
Balance of reserve for income taxes as of December 31, 2014	$	5,127

Constituents of Deferred Tax Assets

Deferred tax assets consisted of the following (in thousands):

	December 31,
	2014			2013
Current deferred tax assets:
Inventory and revenue related	$	4,911		$	5,614
Bonuses, commissions, and other compensation	2,280			1,377
Other	1,794			1,292
Gross current deferred tax assets	8,985			8,283
Valuation allowance	—			(672		)
Net current deferred tax assets	$	8,985		$	7,611
Noncurrent deferred tax assets:
Stock-based compensation expense	$	10,290		$	7,488
Federal and state tax credit carryforwards	4,547			5,418
Depreciation	1,945			1,831
Acquired completed technologies and other intangible assets	450			835
Unrealized investment gains and losses	355			601
Correlative tax relief and deferred interest related to reserves	342			252
Other	1,436			1,178
Gross noncurrent deferred tax assets	19,365			17,603
Noncurrent deferred tax liabilities:
Nondeductible intangible assets	(2,430		)	(3,662		)
Other	—			(548		)
Gross noncurrent deferred tax liabilities	(2,430		)	(4,210		)
Valuation allowance	(2,483		)	(1,086		)
Net noncurrent deferred tax assets	$	14,452		$	12,307

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Segment and Geographic Information

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Segment and Geographic Information

Segment and Geographic Information

The Company has two reportable segments: the Modular Vision Systems Division (MVSD) and the Surface Inspection Systems Division (SISD). MVSD develops, manufactures, and markets modular vision systems and ID products that are used to automate the manufacture and tracking of discrete items by locating, identifying, inspecting, and measuring them during the manufacturing or distribution process. SISD develops, manufactures, and markets surface inspection vision systems that are used to inspect surfaces of materials processed in a continuous fashion, such as metals, papers, nonwoven, plastics, and glass, to ensure there are no flaws or defects on the surfaces. Segments are determined based upon the way that management organizes its business for making operating decisions and assessing performance. The Company evaluates segment performance based upon income or loss from operations, excluding stock-based compensation expense.

The following table summarizes information about the Company’s segments (in thousands):

	MVSD		SISD		Reconciling Items			Consolidated
Year Ended December 31, 2014
Product revenue	$	409,017	$	42,049				$	451,066
Service revenue	17,432		17,772					35,204
Depreciation and amortization	10,580		1,138		$	749		12,467
Goodwill and intangibles	87,059		5,329		—			92,388
Operating income	156,552		15,598		(28,487		)	143,663
Year Ended December 31, 2013
Product revenue	$	298,186	$	28,600				$	326,786
Service revenue	9,465		17,635					27,100
Depreciation and amortization	9,569		1,078		$	455		11,102
Goodwill and intangibles	90,718		5,694		—			96,412
Operating income	99,383		8,990		(22,005		)	86,368
Year Ended December 31, 2012
Product revenue	$	263,308	$	32,280				$	295,588
Service revenue	10,388		18,303					28,691
Depreciation and amortization	9,505		963		$	390		10,858
Goodwill and intangibles	90,390		6,069		—			96,459
Operating income	89,378		11,941		(17,912		)	83,407

Reconciling items consist of stock-based compensation expense and unallocated corporate expenses, which primarily include corporate headquarters costs, professional fees, and patent infringement litigation. Additional asset information by segment is not produced internally for use by the chief operating decision maker, and therefore, is not presented. Additional asset information is not provided because cash and investments are commingled and the segments share assets and resources in a number of locations around the world.

The following table summarizes information about geographic areas (in thousands):

	United States		Europe		Japan		Other		Total
Year Ended December 31, 2014
Product revenue	$	132,298	$	192,463	$	38,952	$	87,353	$	451,066
Service revenue	15,143		12,536		4,434		3,091		35,204
Long-lived assets	118,991		11,385		1,551		9,904		141,831
Year Ended December 31, 2013
Product revenue	$	103,610	$	104,497	$	33,763	$	84,916	$	326,786
Service revenue	13,505		6,012		4,103		3,480		27,100
Long-lived assets	118,619		5,059		1,732		10,276		135,686
Year Ended December 31, 2012
Product revenue	$	87,877	$	95,376	$	38,151	$	74,184	$	295,588
Service revenue	13,248		6,083		5,043		4,317		28,691
Long-lived assets	120,596		4,939		2,229		6,342		134,106

Revenue is presented geographically based upon the customer’s country of domicile.

In 2014, revenue from a single MVSD customer accounted for 14% of total revenue. In 2013 and 2012, no customer accounted for greater than 10% of total revenue.

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Weighted Average Shares

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Weighted Average Shares

Weighted Average Shares

In July 2013, the Company’s Board of Directors declared a two-for-one stock split of the Company’s common stock, which was effected through a stock dividend distributed on September 16, 2013. All references made to share or per share amounts in the accompanying consolidated financial statements and applicable disclosures reflect this two-for-one stock split.

Weighted-average shares were calculated as follows (in thousands):

	Year Ended December 31,
	2014	2013	2012
Basic weighted-average common shares outstanding	86,858	86,946	85,666
Effect of dilutive stock options	2,213	1,955	1,614
Diluted weighted-average common and common-equivalent shares outstanding	89,071	88,901	87,280

Stock options to purchase 1,286,403, 1,385,901, and 1,790,911 shares of common stock, on a weighted-average basis, were outstanding in 2014, 2013, and 2012, respectively, but were not included in the calculation of dilutive net income per share because they were anti-dilutive.

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Cash, Cash Equivalents and Investments - Gross Unrealized Losses and Fair Value for Available-for-Sale Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	$ 244,230
Unrealized Losses, Less than 12 months	(664)
Fair Value, Greater than 12 Months	3,487
Unrealized Losses, Greater than 12 Months	(16)
Fair Value	247,717
Unrealized Losses	(680)
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	126,038
Unrealized Losses, Less than 12 months	(555)
Fair Value, Greater than 12 Months	0
Unrealized Losses, Greater than 12 Months	0
Fair Value	126,038
Unrealized Losses	(555)
Treasury Bills [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	70,901
Unrealized Losses, Less than 12 months	(54)
Fair Value, Greater than 12 Months	0
Unrealized Losses, Greater than 12 Months	0
Fair Value	70,901
Unrealized Losses	(54)
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	33,603
Unrealized Losses, Less than 12 months	(36)
Fair Value, Greater than 12 Months	3,487
Unrealized Losses, Greater than 12 Months	(16)
Fair Value	37,090
Unrealized Losses	(52)
Agency Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	7,135
Unrealized Losses, Less than 12 months	(8)
Fair Value, Greater than 12 Months	0
Unrealized Losses, Greater than 12 Months	0
Fair Value	7,135
Unrealized Losses	(8)
Sovereign Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less than 12 months	6,553
Unrealized Losses, Less than 12 months	(11)
Fair Value, Greater than 12 Months	0
Unrealized Losses, Greater than 12 Months	0
Fair Value	6,553
Unrealized Losses	$ (11)

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Weighted Average Shares (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Calculation of Weighted Average Shares

Weighted-average shares were calculated as follows (in thousands):

	Year Ended December 31,
	2014	2013	2012
Basic weighted-average common shares outstanding	86,858	86,946	85,666
Effect of dilutive stock options	2,213	1,955	1,614
Diluted weighted-average common and common-equivalent shares outstanding	89,071	88,901	87,280

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Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2014

Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

COGNEX CORPORATION – SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses			Charged to Other Accounts		Deductions				Other				Balance at End of Period
	(In thousands)
Reserve for Uncollectible Accounts Receivable:
2014	$	1,354	$	(60	)	$	—	$	(141	)	(a)	$	(58	)	(b)	$	1,095
2013	$	1,131	$	286		$	—	$	(77	)	(a)	$	14		(b)	$	1,354
2012	$	1,240	$	63		$	—	$	(184	)	(a)	$	12		(b)	$	1,131
Reserve for Excess and Obsolete Inventory:
2014	$	4,893	$	3,535		$	—	$	(1,989	)	(a)	$	(469	)	(c)	$	5,970
2013	$	3,414	$	2,368		$	—	$	(1,009	)	(a)	$	120		(c)	$	4,893
2012	$	4,359	$	949		$	—	$	(1,924	)	(a)	$	30		(c)	$	3,414
Deferred Tax Valuation Allowance:
2014	$	1,758	$	725		$	—	$	—			—				$	2,483
2013	$	1,489	$	642		$	—	$	(373	)		—				$	1,758
2012	$	3,400	$	546		$	—	$	(2,457	)		—				$	1,489

(a) Specific write-offs

(b) Collections of previously written-off accounts and foreign currency exchange rate changes

(c) Foreign currency exchange rate changes

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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Nature of Operations

Nature of Operations

Cognex Corporation is a leading provider of machine vision products that capture and analyze visual information in order to automate tasks, primarily in manufacturing processes, where vision is required.

Use of Estimates in the Preparation of Financial Statements

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities as of the balance sheet date, and the reported amounts of revenues and expenses during the year. Actual results could differ from those estimates. Significant estimates and judgments include those related to revenue recognition, investments, accounts receivable, inventories, long-lived assets, goodwill, warranty obligations, contingencies, stock-based compensation, income taxes, derivative instruments, and purchase accounting.

Basis of Consolidation

Basis of Consolidation

The consolidated financial statements include the accounts of Cognex Corporation and its subsidiaries, all of which are wholly-owned. All intercompany accounts and transactions have been eliminated.

Foreign Currency

Foreign Currency Translation

The financial statements of the Company’s foreign subsidiaries, where the local currency is the functional currency, are translated using exchange rates in effect at the end of the year for assets and liabilities and average exchange rates during the year for results of operations. The resulting foreign currency translation adjustment, net of tax, is recorded in shareholders’ equity as other comprehensive income (loss).

Fair Value Measurements

Fair Value Measurements

The Company applies a three-level valuation hierarchy for fair value measurements. The categorization of assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the measurement of fair value. Level 1 inputs to the valuation methodology utilize unadjusted quoted market prices in active markets for identical assets and liabilities. Level 2 inputs to the valuation methodology are other observable inputs, including quoted market prices for similar assets and liabilities, quoted prices for identical and similar assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. Level 3 inputs to the valuation methodology are unobservable inputs based upon management’s best estimate of the inputs that market participants would use in pricing the asset or liability at the measurement date, including assumptions about risk. A change to the level of an asset or liability within the fair value hierarchy is determined at the end of a reporting period.

Cash, Cash Equivalents, and Investments

Cash, Cash Equivalents, and Investments

Money market instruments purchased with original maturities of three months or less are classified as cash equivalents and are stated at amortized cost. Debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as short-term investments, as well as equity securities that the Company intends to sell within one year. Debt securities with remaining maturities greater than one year, as well as a limited partnership interest, are classified as long-term investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax, recorded in shareholders’ equity as other comprehensive income (loss). Equity securities that are held for short periods of time with the intention of selling them in the near term are designated as trading and are reported at fair value, with unrealized gains and losses recorded in current operations. Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies. Furthermore, the investment does not have a readily determinable market value, and therefore, does not qualify for fair value accounting.

Management monitors the carrying value of its investments in debt securities and a limited partnership interest compared to their fair value to determine whether an other-than-temporary impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the impairment is other-than-temporary. In considering whether a decline in fair value is other-than-temporary, we consider many factors. In its evaluation of its debt securities, management considers the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our intent and ability to hold the security to expected recovery of value, and other meaningful information. An impairment is considered other-than-temporary if (i) the Company has the intent to sell the security, (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis, or (iii) the Company does not expect to recover the entire amortized cost basis of the security. If impairment is considered other-than-temporary based upon condition (i) or (ii) described above, the entire difference between the amortized cost and the fair value of the security is recognized in current operations. If an impairment is considered other-than-temporary based upon condition (iii), the amount representing credit losses (defined as the difference between the present value of the cash flows expected to be collected and the amortized cost basis of the security) is recognized in current operations and the amount relating to all other factors is recognized in shareholders' equity as other comprehensive income (loss). In its evaluation of its limited partnership interest, management considers the duration and extent of the decline, the length of the Company’s commitment to the investment, general economic trends, and specific communications with the General Partner.

Accounts Receivable

Accounts Receivable

The Company extends credit with various payment terms to customers based upon an evaluation of their financial condition. Accounts that are outstanding longer than the payment terms are considered to be past due. The Company establishes reserves against accounts receivable for potential credit losses and records bad debt expense in current operations when it determines receivables are at risk for collection based upon the length of time the receivable has been outstanding, the customer’s current ability to pay its obligations to the Company, general economic and industry conditions, as well as various other factors. Receivables are written off against these reserves in the period they are determined to be uncollectible and payments subsequently received on previously written-off receivables are recorded as a reversal of the bad debt expense.

Inventories

Inventories

Inventories are stated at the lower of cost or market. Cost is determined using standard costs, which approximates actual costs under the first-in, first-out (FIFO) method. The Company’s inventory is subject to rapid technological change or obsolescence. The Company reviews inventory quantities on hand and estimates excess and obsolescence exposures based upon assumptions about future demand, product transitions, and market conditions, and records reserves to reduce the carrying value of inventories to their net realizable value. If actual future demand is less than estimated, additional inventory write-downs would be required.

The Company generally disposes of obsolete inventory upon determination of obsolescence. The Company does not dispose of excess inventory immediately, due to the possibility that some of this inventory could be sold to customers as a result of differences between actual and forecasted demand. When inventory has been written down below cost, such reduced amount is considered the new cost basis for subsequent accounting purposes. As a result, the Company would recognize a higher than normal gross margin if the reserved inventory were subsequently sold.

Property, Plant, and Equipment

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost and depreciated using the straight-line method over the assets’ estimated useful lives. Buildings’ useful lives are 39 years, building improvements’ useful lives are ten years, and the useful lives of computer hardware and software, manufacturing test equipment, and furniture and fixtures range from two to five years. Leasehold improvements are depreciated over the shorter of the estimated useful lives or the remaining terms of the leases. Maintenance and repairs are expensed when incurred; additions and improvements are capitalized. Upon retirement or disposition, the cost and related accumulated depreciation of the disposed assets are removed from the accounts, with any resulting gain or loss included in current operations.

Intangible Assets

Intangible Assets

Intangible assets are stated at cost and amortized over the assets’ estimated useful lives. Intangible assets are either amortized in relation to the relative cash flows anticipated from the intangible asset or using the straight-line method, depending upon facts and circumstances. The useful lives of distribution networks range from eleven to twelve years, of customer contracts and relationships from eight to twelve years, and of completed technologies and other intangible assets from three to eight years. The Company evaluates the possible impairment of long-lived assets, including intangible assets, whenever events or circumstances indicate the carrying value of the assets may not be recoverable. At the occurrence of a certain event or change in circumstances, the Company evaluates the potential impairment of an asset by estimating the future undiscounted cash flows expected to result from the use and eventual disposition of the asset. If the sum of the estimated future cash flows is less than the carrying value, the Company determines the amount of such impairment by comparing the fair value of the asset to its carrying value. The fair value is based upon the present value of the estimated future cash flows using a discount rate commensurate with the risks involved.

Goodwill

Goodwill

Goodwill is stated at cost. The Company evaluates the possible impairment of goodwill annually each fourth quarter and whenever events or circumstances indicate the carrying value of the goodwill may not be recoverable. For the past four years, the Company has performed a qualitative assessment of goodwill (commonly known as “step zero”) to determine whether further impairment testing is necessary. Factors that management considers in this assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management takes into consideration the goodwill valuation under the last quantitative analysis that was performed. If this qualitative assessment indicates that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, the entity would proceed to a two-step process. Step one compares the fair value of the reporting unit with its carrying value, including goodwill. If the carrying amount exceeds the fair value of the reporting unit, step two is required to measure the amount of impairment loss. Step two compares the implied fair value of the reporting unit goodwill to the carrying amount of the goodwill.

Warranty Obligations

Warranty Obligations

The Company warrants its products to be free from defects in material and workmanship for periods primarily ranging from six months to three years from the time of sale based upon the product being purchased and the terms of the customer arrangement. Warranty obligations are evaluated and recorded at the time of sale since it is probable that customers will make claims under warranties related to products that have been sold and the amount of these claims can be reasonably estimated based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or circumstances impacting product quality become known that would not have been taken into account using historical data.

Contingencies

Contingencies

Loss contingencies are accrued if the loss is probable and the amount of the loss can be reasonably estimated. Legal costs associated with potential loss contingencies, such as patent infringement matters, are expensed as incurred.

Revenue Recognition

Revenue Recognition

The Company’s product revenue is derived from the sale of machine vision systems, which can take the form of hardware with embedded software or software-only, and related accessories. The Company also generates revenue by providing maintenance and support, training, consulting, and installation services to its customers. Certain of the Company’s arrangements include multiple deliverables that provide the customer with a combination of products or services. In order to recognize revenue, the Company requires that a signed customer contract or purchase order is received, the fee from the arrangement is fixed or determinable, and collection of the resulting receivable is probable. Assuming that these criteria have been met, product revenue is generally recognized upon delivery, revenue from maintenance and support programs is recognized ratably over the program period, revenue from training andconsulting services is recognized over the period that the services are provided, and revenue from installation services is recognized when the customer has signed off that the installation is complete. When customer-specified acceptance criteria exists that are substantive, product revenue is deferred until these criteria have been met, along with the associated incremental direct costs.

The majority of the Company’s product offerings consist of hardware with embedded software. Under the revenue recognition rules for tangible products, the fee from a multiple-deliverable arrangement is allocated to each of the deliverables based upon their relative selling prices as determined by a selling-price hierarchy. A deliverable in an arrangement qualifies as a separate unit of accounting if the delivered item has value to the customer on a stand-alone basis. A delivered item that does not qualify as a separate unit of accounting is combined with the other undelivered items in the arrangement and revenue is recognized for those combined deliverables as a single unit of accounting. The selling price used for each deliverable is based upon vendor-specific objective evidence (VSOE) if available, third-party evidence (TPE) if VSOE is not available, and management’s best estimate of selling price (BESP) if neither VSOE nor TPE are available. VSOE is the price charged for a deliverable when it is sold separately. TPE is the price of the Company’s or any competitor’s largely interchangeable products or services in stand-alone sales to similarly-situated customers. BESP is the price at which the Company would sell the deliverable if it were sold regularly on a stand-alone basis, considering market conditions and entity-specific factors.

The selling prices used in the relative selling price allocation method for (1) certain of the Company’s services are based upon VSOE, (2) third-party accessories available from other vendors are based upon TPE, and (3) hardware products with embedded software, custom accessories, and services for which VSOE does not exist are based upon BESP. The Company does not believe TPE exists for these products and services because they are differentiated from competing products and services in terms of functionality and performance and there are no competing products or services that are largely interchangeable. For the Company’s Modular Vision Systems Division (MVSD), BESP has been established for each product line within each region, and for the Company’s Surface Inspection Systems Division (SISD), BESP has been established for each industry within each region. Management establishes BESP with consideration for market conditions, such as the impact of competition and geographic considerations, and entity-specific factors, such as the cost of the product and the division’s profit objectives. Management believes that BESP is reflective of reasonable pricing of that deliverable as if priced on a stand-alone basis.

Under the revenue recognition rules for software-only products, the fee from a multiple-deliverable arrangement is allocated to each of the undelivered elements based upon VSOE, which is limited to the price charged when the same deliverable is sold separately, with the residual value from the arrangement allocated to the delivered element. The portion of the fee that is allocated to each deliverable is then recognized as revenue when the criteria for revenue recognition are met with respect to that deliverable. If VSOE does not exist for all of the undelivered elements, then all revenue from the arrangement is typically deferred until all elements have been delivered to the customer.

The Company’s products are sold directly to end users, as well as to resellers including original equipment manufacturers (OEMs), distributors, and integrators. Revenue is recognized upon delivery of the product to the reseller, assuming all other revenue recognition criteria have been met. The Company establishes reserves against revenue for potential product returns, since the amount of future returns can be reasonably estimated based upon experience. These reserves have historically been immaterial.

Amounts billed to customers related to shipping and handling, as well as reimbursements received from customers for out-of-pocket expenses, are classified as revenue, with the associated costs included in cost of revenue.

Research and Development

Research and Development

Research and development costs for internally-developed or acquired products are expensed when incurred until technological feasibility has been established for the product. Thereafter, all software costs are capitalized until the product is available for general release to customers. The Company determines technological feasibility at the time the product reaches beta in its stage of development. Historically, the time incurred between beta and general release to customers has been short, and therefore, the costs have been insignificant. As a result, the Company has not capitalized software costs associated with internally-developed products.

Advertising Costs

Advertising Costs

Advertising costs are expensed as incurred and totaled $1,289,000 in 2014, $1,656,000 in 2013, and $1,792,000 in 2012.

Stock-Based Compensation

Stock-Based Compensation

The Company’s share-based payments that result in compensation expense consist of stock option grants and restricted stock awards. The Company has reserved a specific number of shares of its authorized but unissued shares for issuance upon the exercise of stock options or the granting of restricted stock. When a stock option is exercised or a restricted stock award is granted, the Company issues new shares from this pool. The fair values of stock options are estimated on the grant date using a binomial lattice model. Management is responsible for determining the appropriate valuation model and estimating these fair values, and in doing so, considers a number of factors, including information provided by an outside valuation advisor.

The Company recognizes compensation expense related to stock options using the graded attribution method, in which expense is recognized on a straight-line basis over the service period for each separately vesting portion of the stock option as if the option was, in substance, multiple awards. The amount of compensation expense recognized at the end of the vesting period is based upon the number of stock options for which the requisite service has been completed. No compensation expense is recognized for options that are forfeited for which the employee does not render the requisite service. The term “forfeitures” is distinct from “expirations” and represents only the unvested portion of the surrendered option. The Company applies estimated forfeiture rates to its unvested options to arrive at the amount of compensation expense that is expected to be recognized over the requisite service period. At the end of each separately vesting portion of an option, the expense that was recognized by applying the estimated forfeiture rate is compared to the expense that should be recognized based upon the employee’s service, and a credit to expense is recorded related to those employees that have not rendered the requisite service.

Taxes

Taxes

The Company recognizes a tax position in its financial statements when that tax position, based solely upon its technical merits, is more likely than not to be sustained upon examination by the relevant taxing authority. Those tax positions failing to qualify for initial recognition are recognized in the first interim period in which they meet the more likely than not standard, or are resolved through negotiation or litigation with the taxing authority, or upon expiration of the statutes of limitations. Derecognition of a tax position that was previously recognized occurs when an entity subsequently determines that a tax position no longer meets the more likely than not threshold of being sustained.

Only the portion of the liability that is expected to be paid within one year is classified as a current liability. As a result, liabilities expected to be resolved without the payment of cash (e.g., resolution due to the expiration of the statutes of limitations) or are not expected to be paid within one year are not classified as current. It is the Company’s policy to record estimated interest and penalties as income tax expense and tax credits as a reduction in income tax expense.

Deferred tax assets and liabilities are determined based upon the differences between the financial statement and tax bases of assets and liabilities as measured by the enacted tax rates that will be in effect when these differences reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

Sales tax in the United States and similar taxes in other jurisdictions that are collected from customers and remitted to government authorities are presented on a gross basis (i.e., a receivable from the customer with a corresponding payable to the government). Amounts collected from customers and retained by the Company during tax holidays are recognized as nonoperating income when earned.

Net Income Per Share

Net Income Per Share

Basic net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period plus potential dilutive common shares. Dilutive common equivalent shares consist of stock options and are calculated using the treasury stock method. Common equivalent shares do not qualify as participating securities. In periods where the Company records a net loss, potential common stock equivalents are not included in the calculation of diluted net loss per share.

Comprehensive Income

Comprehensive Income

Comprehensive income is defined as the change in equity of a company during a period from transactions and other events and circumstances, excluding transactions resulting from investments by owners and distributions to owners. Accumulated other comprehensive loss, net of tax, as of December 31, 2014 and December 31, 2013, consists of foreign currency translation adjustments of $38,030,000 and $28,630,000, respectively; net unrealized losses on available-for-sale investments of $130,000 and $36,000, respectively; net unrealized gains on derivative instruments of $32,000 and $104,000, respectively; and losses on currency swaps, net of gains on long-term intercompany loans, of $1,271,000 and $1,271,000, respectively.

Amounts reclassified from accumulated other comprehensive income to investment income on the Consolidated Statements of Operations were net realized gains of $673,000, $314,000, and $1,695,000 for 2014, 2013, and 2012, respectively.

Concentrations of Risk

Concentrations of Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade receivables. The Company has certain domestic and foreign cash balances that exceed the insured limits set by the Federal Deposit Insurance Corporation (FDIC) in the United States and equivalent regulatory agencies in foreign countries. The Company primarily invests in investment-grade debt securities and has established guidelines relative to credit ratings, diversification, and maturities of its debt securities that maintain safety and liquidity. The Company has not experienced any significant realized losses on its debt securities.

The Company performs ongoing credit evaluations of its customers and maintains allowances for potential credit losses. The Company has not experienced any significant losses related to the collection of its accounts receivable.

A significant portion of the Company’s MVSD product is manufactured by a third-party contractor located in Indonesia. This contractor has agreed to provide Cognex with termination notification periods and last-time-buy rights, if and when that may be applicable. We rely upon this contractor to provide quality product and meet delivery schedules. We engage in extensive product quality programs and processes, including actively monitoring the performance of our third-party manufacturers. Certain components are presently available only from a single source. Certain key electronic components that are purchased from strategic suppliers, such as processors or imagers, are fundamental to the design of Cognex products. A disruption in the supply of these key components, such as a last-time-buy announcement, natural disaster, financial bankruptcy, or other event, may require us to purchase a significant amount of inventory at unfavorable prices resulting in lower gross margins and higher risk of carrying excess or obsolete inventory. If we are unable to secure adequate supply from alternative sources, we may have to redesign our products, which may lead to a delay in manufacturing and a possible loss of sales.

Derivative Instruments

Derivative Instruments

Derivative instruments are recorded on the Consolidated Balance Sheets at fair value. Changes in the fair value of derivatives are recorded each period in current operations or in shareholders' equity as other comprehensive income (loss), depending upon whether the derivative is designated as a hedge transaction and, if it is, the effectiveness of the hedge. At the inception of the contract, the Company designates foreign currency forward exchange contracts as either a cash flow hedge of certain forecasted foreign currency denominated sales and purchase transactions or as an economic hedge. Changes in the fair value of a derivative that is highly effective and that is designated and qualifies as a cash flow hedge are recorded in shareholders' equity as other comprehensive income (loss), and reclassified into current operations in the same period during which the hedged transaction affects current operations and in the same financial statement line item as that of the forecasted transaction. Cash flow hedges are evaluated for effectiveness quarterly. Any hedge ineffectiveness (which represents the amount by which the changes in the fair value of the derivative exceed the variability in the cash flows of the forecasted transaction) is recorded in current operations in the period in which ineffectiveness is determined. Changes in the fair value of the Company’s economic hedges (not designated as a cash flow hedge) are reported in current operations. The cash flows from derivative instruments are presented in the same category on the Consolidated Statements of Cash Flows as the category for the cash flows from the hedged item. Generally, this accounting policy election results in cash flows related to derivative instruments being classified as an operating activity on the Consolidated Statements of Cash Flows.

The Company formally documents all relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedge transactions. This process includes linking all derivatives that are designated as cash flow hedges to specific forecasted transactions. The Company also formally assesses (both at the hedge’s inception and on an ongoing basis) whether the derivatives that are used in hedging transactions have been highly effective in offsetting changes in the fair value or cash flows of hedged items and whether those derivatives may be expected to remain highly effective in future periods. When it is determined that a derivative is not (or has ceased to be) highly effective as a hedge, the Company discontinues hedge accounting prospectively, as discussed below.

The Company discontinues hedge accounting prospectively when (1) it determines that the derivative is no longer effective in offsetting changes in the cash flows of a hedged item; (2) the derivative expires or is sold, terminated, or exercised; (3) it is no longer probable that the forecasted transaction will occur; or (4) management determines that designating the derivative as a hedging instrument is no longer appropriate or desired. When the Company discontinues hedge accounting because it is no longer probable that the forecasted transaction will occur in the originally expected period, the gain or loss on the derivative remains in accumulated other comprehensive income (loss) and is reclassified into current operations when the forecasted transaction affects current operations. However, if it is probable that a forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter, the gain or loss that was accumulated in other comprehensive income (loss) is recognized immediately in current operations. In all situations in which hedge accounting is discontinued and the derivative remains outstanding, the Company carries the derivative at fair value on the Consolidated Balance Sheets, recognizing changes in the fair value in current operations, unless it is designated in a new hedging relationship.

The Company recognizes all derivative instruments as either current assets or current liabilities at fair value on the Consolidated Balance Sheets. When the Company is engaged in more than one outstanding derivative contract with the same counterparty and also has a legally enforceable master netting agreement with that counterparty, the “net” mark-to-market exposure represents the netting of the positive and negative exposures with that counterparty. Accordingly, cash flow hedges are presented net on the Consolidated Balance Sheets.

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income	$ 121,485	$ 73,573	$ 68,098
Adjustments to reconcile net income to net cash provided by operations:
Stock-based compensation expense	15,158	10,620	8,520
Depreciation of property, plant, and equipment	8,443	7,305	6,721
Amortization of intangible assets	4,024	3,797	4,137
Amortization of discounts or premiums on investments	1,823	2,519	5,735
Realized (gain) loss on sale of investments	(673)	403	(1,625)
Change in deferred income taxes	(2,364)	2,234	429
Tax effect of stock option exercises	(7,871)	(7,658)	(3,594)
Accounts receivable	(915)	(11,311)	5,035
Inventories	(11,750)	666	1,872
Accounts payable	10,896	2,644	(246)
Accrued expenses	7,812	5,593	(1,974)
Accrued income taxes	7,700	7,968	3,363
Deferred revenue and customer deposits	5,893	3,228	(761)
Other	(3,691)	(6,126)	5,421
Net cash provided by operating activities	155,970	95,455	101,131
Cash flows from investing activities:
Purchases of investments	(422,633)	(370,781)	(460,486)
Maturities and sales of investments	339,470	296,091	431,510
Purchases of property, plant, and equipment	(20,934)	(9,630)	(9,878)
Cash paid for purchased technology		(3,750)	0
Net cash used in investing activities	(104,097)	(88,070)	(38,854)
Cash flows from financing activities:
Issuance of common stock under stock option plans	16,930	27,792	17,468
Payment of dividends	0	0	(66,213)
Repurchase of common stock	(59,673)	(47,908)	0
Tax effect of stock option exercises	7,871	7,658	3,594
Net cash used in financing activities	(34,872)	(12,458)	(45,151)
Effect of foreign exchange rate changes on cash and cash equivalents	(1,951)	557	(10,069)
Net change in cash and cash equivalents	15,050	(4,516)	7,057
Cash and cash equivalents at beginning of year	40,644	45,160	38,103
Cash and cash equivalents at end of year	$ 55,694	$ 40,644	$ 45,160

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table summarizes the financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2014 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Money market instruments	$	777	$	—
Corporate bonds	—		247,183
Treasury bills	—		90,412
Asset-backed securities	—		63,867
Euro liquidity fund	—		48,235
Agency bonds	—		16,449
Sovereign bonds	—		13,461
Municipal bonds	—		7,837
Supranational bonds	—		1,901
Cash flow hedge forward contracts	—		108
Economic hedge forward contracts	—		6
Liabilities:
Cash flow hedge forward contracts	—		84
Economic hedge forward contracts	—		13

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Employee Savings Plan - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]
Minimum age to be eligible to defined contribution plan	21 years
Maximum contribution by company expressed, per dollar of employee contributions	$ 0.5
Maximum contribution by company expressed as percentage of employee pre-tax salary	25.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
Company contributions vest at end of two years	20.00%
Company contributions vest at end of three years	40.00%
Company contributions vest at end of four years	60.00%
Company contributions vest at end of five years	100.00%
Company contributions to employee savings plan	$ 1,555,000	$ 1,423,000	$ 1,362,000

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Guarantees (Tables)

12 Months Ended

Dec. 31, 2014

Guarantees [Abstract]

Schedule of Guarantor Obligations

The following table details the letters of credit outstanding as of December 31, 2014 (in thousands):

Type	Guarantee Amount		Guarantee due date
Bank Guarantees	$	990	Various from January 2015 to August 2016
Warranty Bonds	713		Various from January 2015 to October 2016
Performance Bonds	424		Various from January 2015 to December 2017
	$	2,127

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Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Cash	$ 54,917	$ 40,124
Money market instruments	777	520
Cash and cash equivalents	55,694	40,644	45,160	38,103
Short-term investments	90,456	184,822
Limited partnership interest (accounted for using cost method)	1,956	1,956
Long-term investments	400,845	229,655
Total	546,995	455,121
Euro liquidity fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	48,235
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	30,889	109,040
Long-term investments	216,294	109,909
Agency Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	6,883	1,499
Long-term investments	9,566	0
Supranational bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	1,901
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	1,311	53,559
Long-term investments	62,556	21,820
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	1,237	9,276
Long-term investments	6,600	5,919
Sovereign Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Short-term investments	0	11,448
Long-term investments	13,461	16,385
Treasury Bills [Member]
Schedule of Available-for-sale Securities [Line Items]
Long-term investments	$ 90,412	$ 73,666

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Derivative Instruments - Outstanding Forward Contracts (Details) In Thousands, unless otherwise specified	Dec. 31, 2014 Designated as Hedging Instrument [Member] Japan, Yen USD ($)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Japan, Yen JPY (¥)	Dec. 31, 2013 Designated as Hedging Instrument [Member] Japan, Yen USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] Japan, Yen JPY (¥)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Hungary, Forint USD ($)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Hungary, Forint HUF	Dec. 31, 2013 Designated as Hedging Instrument [Member] Hungary, Forint USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] Hungary, Forint HUF	Dec. 31, 2014 Designated as Hedging Instrument [Member] Singapore, Dollars USD ($)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Singapore, Dollars SGD	Dec. 31, 2013 Designated as Hedging Instrument [Member] Singapore, Dollars USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] Singapore, Dollars SGD	Dec. 31, 2014 Designated as Hedging Instrument [Member] United Kingdom, Pounds USD ($)	Dec. 31, 2014 Designated as Hedging Instrument [Member] United Kingdom, Pounds GBP (£)	Dec. 31, 2013 Designated as Hedging Instrument [Member] United Kingdom, Pounds USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] United Kingdom, Pounds GBP (£)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Canada, Dollars USD ($)	Dec. 31, 2014 Designated as Hedging Instrument [Member] Canada, Dollars CAD	Dec. 31, 2013 Designated as Hedging Instrument [Member] Canada, Dollars USD ($)	Dec. 31, 2013 Designated as Hedging Instrument [Member] Canada, Dollars CAD	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Japan, Yen USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Japan, Yen JPY (¥)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Japan, Yen USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Japan, Yen JPY (¥)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Hungary, Forint USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Hungary, Forint HUF	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Hungary, Forint USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Hungary, Forint HUF	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Singapore, Dollars USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Singapore, Dollars BRL	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Singapore, Dollars USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Singapore, Dollars BRL	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] United Kingdom, Pounds USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] United Kingdom, Pounds GBP (£)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] United Kingdom, Pounds USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] United Kingdom, Pounds GBP (£)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Taiwan, New Dollars USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Taiwan, New Dollars TWD	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Taiwan, New Dollars USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Taiwan, New Dollars TWD	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Korea (South), Won USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Korea (South), Won KPW	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Korea (South), Won USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Korea (South), Won KPW	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Euro Member Countries, Euro USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Euro Member Countries, Euro EUR (€)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Euro Member Countries, Euro USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Euro Member Countries, Euro EUR (€)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] China, Yuan Renminbi USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] China, Yuan Renminbi CNY	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] China, Yuan Renminbi USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] China, Yuan Renminbi CNY	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Brazil, Brazil Real USD ($)	Dec. 31, 2014 Not Designated as Hedging Instrument [Member] Brazil, Brazil Real BRL	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Brazil, Brazil Real USD ($)	Dec. 31, 2013 Not Designated as Hedging Instrument [Member] Brazil, Brazil Real BRL
Derivative [Line Items]
Derivative Asset, Notional Amount	$ 10,211	¥ 1,225,000	$ 6,122	¥ 625,000	$ 3,099	803,000	$ 2,603	570,175	$ 2,564	3,515	$ 2,346	2,867	$ 732	£ 491	$ 1,010	£ 613	$ 688	758	$ 932	985	$ 4,464	¥ 535,000	$ 2,797	¥ 294,500	$ 1,569	410,000	$ 568	123,000	$ 922	1,225	$ 0	0	$ 2,183	£ 1,400	$ 1,820	£ 1,100	$ 883	28,000	$ 908	27,000	$ 858	940,000	$ 620	650,000	$ 0	€ 0	$ 3,887	€ 2,828	$ 0	0	$ 1,467	9,000	$ 0	0	$ 106	250

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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013		Dec. 31, 2012
Revenue
Product	$ 451,066	$ 326,786		$ 295,588
Service	35,204	27,100		28,691
Total revenue	486,270	353,886		324,279
Cost of revenue
Product	101,448	71,893		65,432
Service	19,572	12,187		14,063
Total cost of revenue	121,020	84,080		79,495
Gross margin
Product	349,618	254,893		230,156
Service	15,632	14,913		14,628
Total gross margin	365,250	269,806		244,784
Research, development, and engineering expenses	59,920	48,087		41,549
Selling, general, and administrative expenses	161,667	135,351		119,828
Operating income	143,663	86,368		83,407
Foreign currency gain (loss)	861	(646)		(880)
Investment income	3,156	2,604		4,470
Other expense	(283)	(440)		(367)
Income before income tax expense	147,397	87,886		86,630
Income tax expense	25,912	14,313		18,532
Net income	$ 121,485	$ 73,573		$ 68,098
Net income per common and common-equivalent share:
Basic (in dollars per share)	$ 1.40	$ 0.85	[1]	$ 0.79	[1]
Diluted (in dollars per share)	$ 1.36	$ 0.83	[1]	$ 0.78	[1]
Weighted-average common and common-equivalent shares outstanding:
Basic (in dollars per share)	86,858	86,946	[1]	85,666	[1]
Diluted (in dollars per share)	89,071	88,901	[1]	87,280	[1]
Cash dividends per common share (in dollars per share)				$ 0.77	[1]

[1] Prior period results have been adjusted to reflect the two-for-one stock split effected in the form of a stock dividend which occurred in the third quarter of 2013.

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Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Information About the Company's Segments

The following table summarizes information about the Company’s segments (in thousands):

	MVSD		SISD		Reconciling Items			Consolidated
Year Ended December 31, 2014
Product revenue	$	409,017	$	42,049				$	451,066
Service revenue	17,432		17,772					35,204
Depreciation and amortization	10,580		1,138		$	749		12,467
Goodwill and intangibles	87,059		5,329		—			92,388
Operating income	156,552		15,598		(28,487		)	143,663
Year Ended December 31, 2013
Product revenue	$	298,186	$	28,600				$	326,786
Service revenue	9,465		17,635					27,100
Depreciation and amortization	9,569		1,078		$	455		11,102
Goodwill and intangibles	90,718		5,694		—			96,412
Operating income	99,383		8,990		(22,005		)	86,368
Year Ended December 31, 2012
Product revenue	$	263,308	$	32,280				$	295,588
Service revenue	10,388		18,303					28,691
Depreciation and amortization	9,505		963		$	390		10,858
Goodwill and intangibles	90,390		6,069		—			96,459
Operating income	89,378		11,941		(17,912		)	83,407

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table summarizes information about geographic areas (in thousands):

	United States		Europe		Japan		Other		Total
Year Ended December 31, 2014
Product revenue	$	132,298	$	192,463	$	38,952	$	87,353	$	451,066
Service revenue	15,143		12,536		4,434		3,091		35,204
Long-lived assets	118,991		11,385		1,551		9,904		141,831
Year Ended December 31, 2013
Product revenue	$	103,610	$	104,497	$	33,763	$	84,916	$	326,786
Service revenue	13,505		6,012		4,103		3,480		27,100
Long-lived assets	118,619		5,059		1,732		10,276		135,686
Year Ended December 31, 2012
Product revenue	$	87,877	$	95,376	$	38,151	$	74,184	$	295,588
Service revenue	13,248		6,083		5,043		4,317		28,691
Long-lived assets	120,596		4,939		2,229		6,342		134,106

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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 55,694	$ 40,644
Short-term investments	90,456	184,822
Accounts receivable, less reserves of $1,095 and $1,354 in 2014 and 2013, respectively	50,938	53,015
Inventories	35,536	25,694
Deferred income taxes	8,985	7,611
Prepaid expenses and other current assets	22,997	20,265
Total current assets	264,606	332,051
Long-term investments	400,845	229,655
Property, plant, and equipment, net	47,907	37,136
Deferred income taxes	14,452	12,307
Intangible assets, net	10,699	14,723
Goodwill	81,689	81,689
Other assets	1,536	2,138
Total assets	821,734	709,699
Current liabilities:
Accounts payable	19,114	9,487
Accrued expenses	39,949	34,331
Accrued income taxes	1,048	1,263
Deferred revenue and customer deposits	20,563	15,941
Total current liabilities	80,674	61,022
Reserve for income taxes	4,623	4,765
Commitments and contingencies (Note 10)
Shareholders’ equity:
Common stock, $.002 par value – Authorized: 140,000 shares, issued and outstanding: 86,542 and 86,831 shares in 2014 and 2013, respectively	173	174
Additional paid-in capital	251,717	211,440
Retained earnings	523,946	462,131
Accumulated other comprehensive loss, net of tax	(39,399)	(29,833)
Total shareholders’ equity	736,437	643,912
Total liabilities and shareholders' equity	$ 821,734	$ 709,699

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Schedule II -Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reserve for Uncollectible Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 1,354	$ 1,131	$ 1,240
Charged to Costs and Expenses	(60)	286	63
Deductions	(141)	(77)	(184)
Other	(58)	14	12
Balance at End of Period	1,095	1,354	1,131
Reserve for Inventory Obsolescence [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	4,893	3,414	4,359
Charged to Costs and Expenses	3,535	2,368	949
Deductions	(1,989)	(1,009)	(1,924)
Other	(469)	120	30
Balance at End of Period	5,970	4,893	3,414
Deferred Tax Valuation Allowance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	1,758	1,489	3,400
Charged to Costs and Expenses	725	642	546
Deductions	0	(373)	(2,457)
Balance at End of Period	$ 2,483	$ 1,758	$ 1,489

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Property, Plant, and Equipment - Property, Plant, and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	$ 105,568	$ 91,203
Less: accumulated depreciation	(57,661)	(54,067)
Property, Plant and Equipment, Net, Total	47,907	37,136
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	3,951	3,951
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	23,815	18,371
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	20,985	15,711
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	5,738	5,185
Hardware And Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	31,816	29,353
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	15,133	14,715
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and equipment, gross	$ 4,130	$ 3,917

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Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, plant, and equipment consisted of the following (in thousands):

	December 31,
	2014			2013
Land	$	3,951		$	3,951
Buildings	23,815			18,371
Building improvements	20,985			15,711
Leasehold improvements	5,738			5,185
Computer hardware and software	31,816			29,353
Manufacturing test equipment	15,133			14,715
Furniture and fixtures	4,130			3,917
	105,568			91,203
Less: accumulated depreciation	(57,661		)	(54,067		)
	$	47,907		$	37,136

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Accrued Expenses - Constituents of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Constituents of accrued expenses
Company bonuses	$ 9,294	$ 6,880
Salaries, commissions, and payroll taxes	5,802	6,111
Vacation	5,076	4,598
Warranty obligations	4,494	3,016
Foreign retirement obligations	3,626	3,726
Japanese consumption taxes	2,286	1,372
Other	9,371	8,628
Accrued expenses	$ 39,949	$ 34,331

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Indemnification Provisions

12 Months Ended

Dec. 31, 2014

Guarantees [Abstract]

Indemnification Provisions

Indemnification Provisions

Except as limited by Massachusetts law, the by-laws of the Company require it to indemnify certain current or former directors, officers, and employees of the Company against expenses incurred by them in connection with each proceeding in which he or she is involved as a result of serving or having served in certain capacities. Indemnification is not available with respect to a proceeding as to which it has been adjudicated that the person did not act in good faith in the reasonable belief that the action was in the best interests of the Company. The maximum potential amount of future payments the Company could be required to make under these provisions is unlimited. The Company has never incurred significant costs related to these indemnification provisions. As a result, the Company believes the estimated fair value of these provisions is minimal.

In the ordinary course of business, the Company may accept standard limited indemnification provisions in connection with the sale of its products, whereby it indemnifies its customers for certain direct damages incurred in connection with third-party patent or other intellectual property infringement claims with respect to the use of the Company’s products. The term of these indemnification provisions generally coincides with the customer’s use of the Company’s products. The maximum potential amount of future payments the Company could be required to make under these provisions is generally subject to fixed monetary limits. The Company has never incurred significant costs to defend lawsuits or settle claims related to these indemnification provisions. As a result, the Company believes the estimated fair value of these provisions is minimal.

In the ordinary course of business, the Company also accepts limited indemnification provisions from time to time, whereby it indemnifies customers for certain direct damages incurred in connection with bodily injury and property damage arising from the installation of the Company’s products. The term of these indemnification provisions generally coincides with the period of installation. The maximum potential amount of future payments the Company could be required to make under these provisions is generally limited and is likely recoverable under the Company’s insurance policies. As a result of this coverage, and the fact that the Company has never incurred significant costs to defend lawsuits or settle claims related to these indemnification provisions, the Company believes the estimated fair value of these provisions is minimal.

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Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Amortized Intangible Assets

Amortized intangible assets consisted of the following (in thousands):

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	31,765	$	6,295
Customer contracts and relationships	6,690		5,877		813
Completed technologies	4,420		877		3,543
Other	370		322		48
Balance as of December 31, 2014	$	49,540	$	38,841	$	10,699
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	28,479	$	9,581
Customer contracts and relationships	6,690		5,661		1,029
Completed technologies	4,420		407		4,013
Other	370		270		100
Balance as of December 31, 2013	$	49,540	$	34,817	$	14,723

Estimated Amortization Expense Succeeding Fiscal Years

Estimated amortization expense for each of the five succeeding fiscal years and thereafter is as follows (in thousands):

Year Ending December 31,	Amount
2015	$	4,366
2016	3,427
2017	1,618
2018	913
2019	375
Thereafter	—
	$	10,699

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Shareholders' Equity

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Shareholders’ Equity

Shareholders’ Equity

Preferred Stock

The Company has 400,000 shares of authorized but unissued $.01 par value preferred stock.

Common Stock

Each outstanding share of common stock entitles the record holder to one vote on all matters submitted to a vote of the Company’s shareholders. Common shareholders are also entitled to dividends when and if declared by the Company’s Board of Directors.

In July 2013, the Company’s Board of Directors declared a two-for-one stock split, effected in the form of a stock dividend, on the shares of the Company’s common stock. Each shareholder of record on August 26, 2013, received an additional share of common stock for each share of common stock then held. The stock was distributed on September 16, 2013. The Company retained the current par value of $0.002 per share for all shares of common stock. Shareholders’ equity reflects the stock split by reclassifying from “Additional paid-in capital” to “Common stock” an amount equal to the par value of the additional shares arising from the split. All references in the financial statements to the number of shares outstanding, number of shares repurchased, per-share amounts, and stock option data related to the Company’s common stock have been restated to reflect the effect of the stock split for all periods presented.

Shareholder Rights Plan

The Company has adopted a Shareholder Rights Plan, the purpose of which is, among other things, to enhance the Board of Directors’ ability to protect shareholder interests and to ensure that shareholders receive fair treatment in the event any coercive takeover attempt of the Company is made in the future. The Shareholder Rights Plan could make it more difficult for a third party to acquire, or could discourage a third party from acquiring, the Company or a large block of the Company’s common stock. The following summary description of the Shareholder Rights Plan does not purport to be complete and is qualified in its entirety by reference to the Company’s Shareholder Rights Plan, which has been previously filed by the Company with the Securities and Exchange Commission as an exhibit to a Registration Statement on Form 8-A filed on December 5, 2008.

In connection with the adoption of the Shareholder Rights Plan, the Board of Directors of the Company declared a dividend distribution of one purchase right (a “Right”) for each outstanding share of common stock to shareholders of record as of the close of business on December 5, 2008. The Rights currently are not exercisable and are attached to and trade with the outstanding shares of common stock. Under the Shareholder Rights Plan, the Rights become exercisable if a person becomes an “acquiring person” by acquiring 15% or more of the outstanding shares of common stock or if a person commences a tender offer that would result in that person owning 15% or more of the common stock. If a person becomes an “acquiring person,” each holder of a Right (other than the acquiring person) would be entitled to purchase, at the then-current exercise price, such number of shares of the Company’s preferred stock which are equivalent to shares of common stock having twice the exercise price of the Right. If the Company is acquired in a merger or other business combination transaction after any such event, each holder of a Right would then be entitled to purchase, at the then-current exercise price, shares of the acquiring company’s common stock having a value of twice the exercise price of the Right.

Stock Repurchase Program

In April 2008, the Company’s Board of Directors authorized the repurchase of up to $50,000,000 of the Company’s common stock, primarily as a means to reduce the dilutive effect of employee stock options. Stock repurchases under this program were completed in 2013. In November 2011, the Company’s Board of Directors authorized the repurchase of up to $80,000,000 of the Company’s common stock. Purchases under this 2011 program began in 2013 upon completion of the 2008 program. As of December 31, 2014, the Company had repurchased a total of 2,243,000 shares at a cost of $80,000,000 under the 2011 program, including 1,351,000 shares at a cost of $52,095,000 in 2014. Stock repurchases under this program are now complete. In April 2014, the Company's Board of Directors authorized the repurchase of an additional $50,000,000 of the Company's common stock. Purchases under this 2014 program began in the fourth quarter of 2014 upon completion of the 2011 program. In 2014, the Company repurchased a total of 183,000 shares at a cost of $7,578,000 under this 2014 program. The Company may repurchase shares under this program in future periods depending on a variety of factors, including, among other things, the impact of dilution from employee stock options, stock price, share availability, and cash requirements.

Dividends

In December 2012, the Company’s Board of Directors declared and paid a dividend of $0.055 per share that would typically have been declared in the first quarter of 2013 in conjunction with the 2012 earnings release. A special dividend of $0.50 per share was also declared and paid in December 2012 to replace expected quarterly dividend declarations for the next eight quarters, beginning in 2013. The additional $0.055 dividend and the $0.50 dividend were accelerated due to the anticipated increase in the federal tax on dividends paid after December 31, 2012. Due to the accelerated payments, no cash dividends were declared or paid in 2013 or 2014. Future dividends will be declared at the discretion of the Company's Board of Directors and will depend upon such factors as the Board deems relevant, including, among other things, the Company's ability to generate positive cash flow from operations.

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Commitments and Contingencies - Future Minimum Rental Payments Under Lease Agreements (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Future minimum rental payments under lease agreements
2015	$ 5,315
2016	3,309
2017	2,050
2018	1,490
2019	1,416
Thereafter	2,217
Total	$ 15,797

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Common stock par value, in dollars per share	$ 0.002	$ 0.002
Common stock, shares authorized	140,000	140,000
Common stock, shares issued	86,542	86,831
Common stock, shares outstanding	86,542	86,831

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CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) (Common Stock [Member])	0 Months Ended	3 Months Ended
	Jul. 31, 2013	Sep. 29, 2013
Common Stock [Member]
Stock split ratio	2	2

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Intangible Assets

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Amortized intangible assets consisted of the following (in thousands):

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	31,765	$	6,295
Customer contracts and relationships	6,690		5,877		813
Completed technologies	4,420		877		3,543
Other	370		322		48
Balance as of December 31, 2014	$	49,540	$	38,841	$	10,699
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	28,479	$	9,581
Customer contracts and relationships	6,690		5,661		1,029
Completed technologies	4,420		407		4,013
Other	370		270		100
Balance as of December 31, 2013	$	49,540	$	34,817	$	14,723

Estimated amortization expense for each of the five succeeding fiscal years and thereafter is as follows (in thousands):

Year Ending December 31,	Amount
2015	$	4,366
2016	3,427
2017	1,618
2018	913
2019	375
Thereafter	—
	$	10,699

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Segment and Geographic Information - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Product revenue	$ 451,066	$ 326,786	$ 295,588
Service revenue	35,204	27,100	28,691
Long-lived assets	141,831	135,686	134,106
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Product revenue	132,298	103,610	87,877
Service revenue	15,143	13,505	13,248
Long-lived assets	118,991	118,619	120,596
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Product revenue	192,463	104,497	95,376
Service revenue	12,536	6,012	6,083
Long-lived assets	11,385	5,059	4,939
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Product revenue	38,952	33,763	38,151
Service revenue	4,434	4,103	5,043
Long-lived assets	1,551	1,732	2,229
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Product revenue	87,353	84,916	74,184
Service revenue	3,091	3,480	4,317
Long-lived assets	$ 9,904	$ 10,276	$ 6,342

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Segment and Geographic Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014 Segment
Concentration Risk [Line Items]
Number of reportable segments	2
Total Revenue | Revenue from a single customer, percentage
Concentration Risk [Line Items]
Maximum percentage of revenue accountability	14.00%

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Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Feb. 01, 2015	Jun. 29, 2014
Entity Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Trading Symbol	CGNX
Entity Registrant Name	COGNEX CORP
Entity Central Index Key	0000851205
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		86,544,015
Entity Public Float			$ 3,112,594,000

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Goodwill

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The Company has two reporting units with goodwill, the Modular Vision Systems Division (MVSD) and the Surface Inspection Systems Division (SISD), which are also reportable segments.

The changes in the carrying value of goodwill were as follows (in thousands):

	MVSD		SISD		Consolidated
Balance as of December 31, 2012	$	77,388	$	4,301	$	81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2013	77,388		4,301		81,689
Foreign currency exchange rate changes	—		—		—
Balance as of December 31, 2014	$	77,388	$	4,301	$	81,689

For its 2014 analysis of goodwill, management elected to perform a qualitative assessment. Based upon this assessment, management does not believe that it is more likely than not that the carrying value of either reporting unit exceeds its fair value. Factors that management considered in this assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management took into consideration the goodwill valuation performed under the last quantitative analysis as of October 4, 2010. At that date, the fair value of the MVSD unit exceeded its carrying value by approximately 208%, while the fair value of the SISD unit exceeded its carrying value by approximately 119%. As of December 31, 2014, management does not believe any qualitative factors exist that would change the conclusion of their assessment.

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Stock-Based Compensation Expense - Weighted-Average Assumptions Used in Estimating Fair Values of Stock Options Granted (Detail) (Employee Stock Option [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free rate	2.60%	2.00%	2.00%
Expected dividend yield	0.00%	0.00%	1.20%
Expected volatility	41.00%	42.00%	44.00%
Expected term (in years)	5 years 5 months 6 days	5 years 10 months 6 days	5 years 8 months 12 days
Expected dividend yield, beginning in 2015	0.56%

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Weighted Average Shares - Additional Information (Detail)	12 Months Ended			0 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 31, 2013	Sep. 29, 2013
Class of Stock [Line Items]
Stock options to purchase anti-dilutive common stock	1,286,403	1,385,901	1,790,911
Common Stock [Member]
Class of Stock [Line Items]
Stock split ratio				2	2

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 121,485	$ 73,573	$ 68,098
Cash flows hedges [Abstract]
Net unrealized gain (loss), net of tax of $0, $13, and $0 in 2014, 2013, and 2012, respectively	(118)	104	0
Reclassification of net realized (gain) loss into current operations	46	0	0
Net change related to cash flow hedges	(72)	104	0
Net unrealized gain (loss), net of tax of $40, ($147), and $129 in 2014, 2013, and 2012, respectively	579	(190)	2,079
Reclassification of net realized (gain) loss into current operations	(673)	(314)	(1,695)
Net change related to available-for-sale investments	(94)	(504)	384
Currency translation adjustments
Foreign currency translation adjustments, net of tax of ($870), $22, and ($7) in 2014, 2013, and 2012, respectively	(9,400)	82	(12,546)
Other comprehensive income (loss), net of tax	(9,566)	(318)	(12,162)
Total comprehensive income	$ 111,919	$ 73,255	$ 55,936

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New Pronouncements

12 Months Ended

Dec. 31, 2014

Accounting Changes and Error Corrections [Abstract]

New Pronouncements

New Pronouncements

Accounting Standards Update (ASU) 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360) - Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity”

ASU 2014-08 defines a discontinued operation as a component or group of components that is disposed of or is classified as held for sale and represents a strategic shift that has (or will have) a major effect on an entity’s operations and financial results. A strategic shift could include a disposal of (1) a major geographical area of operations, (2) a major line of business, (3) a major equity method investment, or (4) other major parts of an entity. In addition, having significant continuing involvement with a component after a disposal or failing to eliminate the operations or cash flows of a disposed component from an entity’s ongoing operations will no longer preclude presentation as a discontinued operation. The ASU will require new disclosures related to discontinued operations and to disposals of individually significant components that do not qualify as discontinued operations. The guidance in ASU 2014-08 applies prospectively to new disposals of components and new classifications as held for sale beginning in 2015 for most entities, with early adoption allowed. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-09, “Revenue from Contracts with Customers”

The amendments in ASU 2014-09 will supersede and replace all currently existing U.S. GAAP, including industry-specific revenue recognition guidance, with a single, principle-based revenue recognition framework. The concept guiding this new model is that revenue recognition will depict transfer of control to the customer in an amount that reflects consideration to which an entity expects to be entitled. The core principles supporting this framework include (1) identifying the contract with a customer, (2) identifying separate performance obligations within the contract, (3) determining the transaction price, (4) allocating the transaction price to the performance obligations, and (5) recognizing revenue. This new framework will require entities to apply significantly more judgment. This increase in management judgment will require expanded disclosure on estimation methods, inputs, and assumptions for revenue recognition. The guidance in ASU 2014-09 is effective for public companies for annual reporting periods beginning after December 15, 2016. Early adoption is not permitted. Management is in the process of evaluating the impact of this update.

Accounting Standards Update (ASU) 2014-15, "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern"

ASU 2014-15 requires management to perform interim and annual assessments of an entity's ability to continue as a going concern within one year of the date of issuance of the entity's financial statements. The entity must provide certain disclosures if "conditions or events raise substantial doubt about the entity's ability to continue as a going concern." The ASU will require management to disclose principal conditions or events contributing to the "doubt" to continue as a going concern, as well as management's evaluations and plans to try to alleviate these uncertainties. The guidance in ASU 2014-15 applies to all entities and is effective for annual periods beginning after December 15, 2015, and interim periods thereafter. Early adoption is permitted. Given the Company's financial condition, management does not expect ASU 2014-15 to have a significant impact on our disclosures.

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Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

The accompanying consolidated financial statements reflect the application of the significant accounting policies described below.

Nature of Operations

Cognex Corporation is a leading provider of machine vision products that capture and analyze visual information in order to automate tasks, primarily in manufacturing processes, where vision is required.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (U.S. GAAP) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities as of the balance sheet date, and the reported amounts of revenues and expenses during the year. Actual results could differ from those estimates. Significant estimates and judgments include those related to revenue recognition, investments, accounts receivable, inventories, long-lived assets, goodwill, warranty obligations, contingencies, stock-based compensation, income taxes, derivative instruments, and purchase accounting.

Basis of Consolidation

The consolidated financial statements include the accounts of Cognex Corporation and its subsidiaries, all of which are wholly-owned. All intercompany accounts and transactions have been eliminated.

Foreign Currency Translation

The financial statements of the Company’s foreign subsidiaries, where the local currency is the functional currency, are translated using exchange rates in effect at the end of the year for assets and liabilities and average exchange rates during the year for results of operations. The resulting foreign currency translation adjustment, net of tax, is recorded in shareholders’ equity as other comprehensive income (loss).

Fair Value Measurements

The Company applies a three-level valuation hierarchy for fair value measurements. The categorization of assets and liabilities within the valuation hierarchy is based upon the lowest level of input that is significant to the measurement of fair value. Level 1 inputs to the valuation methodology utilize unadjusted quoted market prices in active markets for identical assets and liabilities. Level 2 inputs to the valuation methodology are other observable inputs, including quoted market prices for similar assets and liabilities, quoted prices for identical and similar assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data. Level 3 inputs to the valuation methodology are unobservable inputs based upon management’s best estimate of the inputs that market participants would use in pricing the asset or liability at the measurement date, including assumptions about risk. A change to the level of an asset or liability within the fair value hierarchy is determined at the end of a reporting period.

Cash, Cash Equivalents, and Investments

Money market instruments purchased with original maturities of three months or less are classified as cash equivalents and are stated at amortized cost. Debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as short-term investments, as well as equity securities that the Company intends to sell within one year. Debt securities with remaining maturities greater than one year, as well as a limited partnership interest, are classified as long-term investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax, recorded in shareholders’ equity as other comprehensive income (loss). Equity securities that are held for short periods of time with the intention of selling them in the near term are designated as trading and are reported at fair value, with unrealized gains and losses recorded in current operations. Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies. Furthermore, the investment does not have a readily determinable market value, and therefore, does not qualify for fair value accounting.

Management monitors the carrying value of its investments in debt securities and a limited partnership interest compared to their fair value to determine whether an other-than-temporary impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the impairment is other-than-temporary. In considering whether a decline in fair value is other-than-temporary, we consider many factors. In its evaluation of its debt securities, management considers the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our intent and ability to hold the security to expected recovery of value, and other meaningful information. An impairment is considered other-than-temporary if (i) the Company has the intent to sell the security, (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis, or (iii) the Company does not expect to recover the entire amortized cost basis of the security. If impairment is considered other-than-temporary based upon condition (i) or (ii) described above, the entire difference between the amortized cost and the fair value of the security is recognized in current operations. If an impairment is considered other-than-temporary based upon condition (iii), the amount representing credit losses (defined as the difference between the present value of the cash flows expected to be collected and the amortized cost basis of the security) is recognized in current operations and the amount relating to all other factors is recognized in shareholders' equity as other comprehensive income (loss). In its evaluation of its limited partnership interest, management considers the duration and extent of the decline, the length of the Company’s commitment to the investment, general economic trends, and specific communications with the General Partner.

Accounts Receivable

The Company extends credit with various payment terms to customers based upon an evaluation of their financial condition. Accounts that are outstanding longer than the payment terms are considered to be past due. The Company establishes reserves against accounts receivable for potential credit losses and records bad debt expense in current operations when it determines receivables are at risk for collection based upon the length of time the receivable has been outstanding, the customer’s current ability to pay its obligations to the Company, general economic and industry conditions, as well as various other factors. Receivables are written off against these reserves in the period they are determined to be uncollectible and payments subsequently received on previously written-off receivables are recorded as a reversal of the bad debt expense.

Inventories

Inventories are stated at the lower of cost or market. Cost is determined using standard costs, which approximates actual costs under the first-in, first-out (FIFO) method. The Company’s inventory is subject to rapid technological change or obsolescence. The Company reviews inventory quantities on hand and estimates excess and obsolescence exposures based upon assumptions about future demand, product transitions, and market conditions, and records reserves to reduce the carrying value of inventories to their net realizable value. If actual future demand is less than estimated, additional inventory write-downs would be required.

The Company generally disposes of obsolete inventory upon determination of obsolescence. The Company does not dispose of excess inventory immediately, due to the possibility that some of this inventory could be sold to customers as a result of differences between actual and forecasted demand. When inventory has been written down below cost, such reduced amount is considered the new cost basis for subsequent accounting purposes. As a result, the Company would recognize a higher than normal gross margin if the reserved inventory were subsequently sold.

Property, Plant, and Equipment

Property, plant, and equipment are stated at cost and depreciated using the straight-line method over the assets’ estimated useful lives. Buildings’ useful lives are 39 years, building improvements’ useful lives are ten years, and the useful lives of computer hardware and software, manufacturing test equipment, and furniture and fixtures range from two to five years. Leasehold improvements are depreciated over the shorter of the estimated useful lives or the remaining terms of the leases. Maintenance and repairs are expensed when incurred; additions and improvements are capitalized. Upon retirement or disposition, the cost and related accumulated depreciation of the disposed assets are removed from the accounts, with any resulting gain or loss included in current operations.

Intangible Assets

Intangible assets are stated at cost and amortized over the assets’ estimated useful lives. Intangible assets are either amortized in relation to the relative cash flows anticipated from the intangible asset or using the straight-line method, depending upon facts and circumstances. The useful lives of distribution networks range from eleven to twelve years, of customer contracts and relationships from eight to twelve years, and of completed technologies and other intangible assets from three to eight years. The Company evaluates the possible impairment of long-lived assets, including intangible assets, whenever events or circumstances indicate the carrying value of the assets may not be recoverable. At the occurrence of a certain event or change in circumstances, the Company evaluates the potential impairment of an asset by estimating the future undiscounted cash flows expected to result from the use and eventual disposition of the asset. If the sum of the estimated future cash flows is less than the carrying value, the Company determines the amount of such impairment by comparing the fair value of the asset to its carrying value. The fair value is based upon the present value of the estimated future cash flows using a discount rate commensurate with the risks involved.

Goodwill

Goodwill is stated at cost. The Company evaluates the possible impairment of goodwill annually each fourth quarter and whenever events or circumstances indicate the carrying value of the goodwill may not be recoverable. For the past four years, the Company has performed a qualitative assessment of goodwill (commonly known as “step zero”) to determine whether further impairment testing is necessary. Factors that management considers in this assessment include macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management or strategy, and changes in the composition or carrying amount of net assets. In addition, management takes into consideration the goodwill valuation under the last quantitative analysis that was performed. If this qualitative assessment indicates that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, the entity would proceed to a two-step process. Step one compares the fair value of the reporting unit with its carrying value, including goodwill. If the carrying amount exceeds the fair value of the reporting unit, step two is required to measure the amount of impairment loss. Step two compares the implied fair value of the reporting unit goodwill to the carrying amount of the goodwill.

Warranty Obligations

The Company warrants its products to be free from defects in material and workmanship for periods primarily ranging from six months to three years from the time of sale based upon the product being purchased and the terms of the customer arrangement. Warranty obligations are evaluated and recorded at the time of sale since it is probable that customers will make claims under warranties related to products that have been sold and the amount of these claims can be reasonably estimated based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or circumstances impacting product quality become known that would not have been taken into account using historical data.

Contingencies

Loss contingencies are accrued if the loss is probable and the amount of the loss can be reasonably estimated. Legal costs associated with potential loss contingencies, such as patent infringement matters, are expensed as incurred.

Revenue Recognition

The Company’s product revenue is derived from the sale of machine vision systems, which can take the form of hardware with embedded software or software-only, and related accessories. The Company also generates revenue by providing maintenance and support, training, consulting, and installation services to its customers. Certain of the Company’s arrangements include multiple deliverables that provide the customer with a combination of products or services. In order to recognize revenue, the Company requires that a signed customer contract or purchase order is received, the fee from the arrangement is fixed or determinable, and collection of the resulting receivable is probable. Assuming that these criteria have been met, product revenue is generally recognized upon delivery, revenue from maintenance and support programs is recognized ratably over the program period, revenue from training andconsulting services is recognized over the period that the services are provided, and revenue from installation services is recognized when the customer has signed off that the installation is complete. When customer-specified acceptance criteria exists that are substantive, product revenue is deferred until these criteria have been met, along with the associated incremental direct costs.

The majority of the Company’s product offerings consist of hardware with embedded software. Under the revenue recognition rules for tangible products, the fee from a multiple-deliverable arrangement is allocated to each of the deliverables based upon their relative selling prices as determined by a selling-price hierarchy. A deliverable in an arrangement qualifies as a separate unit of accounting if the delivered item has value to the customer on a stand-alone basis. A delivered item that does not qualify as a separate unit of accounting is combined with the other undelivered items in the arrangement and revenue is recognized for those combined deliverables as a single unit of accounting. The selling price used for each deliverable is based upon vendor-specific objective evidence (VSOE) if available, third-party evidence (TPE) if VSOE is not available, and management’s best estimate of selling price (BESP) if neither VSOE nor TPE are available. VSOE is the price charged for a deliverable when it is sold separately. TPE is the price of the Company’s or any competitor’s largely interchangeable products or services in stand-alone sales to similarly-situated customers. BESP is the price at which the Company would sell the deliverable if it were sold regularly on a stand-alone basis, considering market conditions and entity-specific factors.

The selling prices used in the relative selling price allocation method for (1) certain of the Company’s services are based upon VSOE, (2) third-party accessories available from other vendors are based upon TPE, and (3) hardware products with embedded software, custom accessories, and services for which VSOE does not exist are based upon BESP. The Company does not believe TPE exists for these products and services because they are differentiated from competing products and services in terms of functionality and performance and there are no competing products or services that are largely interchangeable. For the Company’s Modular Vision Systems Division (MVSD), BESP has been established for each product line within each region, and for the Company’s Surface Inspection Systems Division (SISD), BESP has been established for each industry within each region. Management establishes BESP with consideration for market conditions, such as the impact of competition and geographic considerations, and entity-specific factors, such as the cost of the product and the division’s profit objectives. Management believes that BESP is reflective of reasonable pricing of that deliverable as if priced on a stand-alone basis.

Under the revenue recognition rules for software-only products, the fee from a multiple-deliverable arrangement is allocated to each of the undelivered elements based upon VSOE, which is limited to the price charged when the same deliverable is sold separately, with the residual value from the arrangement allocated to the delivered element. The portion of the fee that is allocated to each deliverable is then recognized as revenue when the criteria for revenue recognition are met with respect to that deliverable. If VSOE does not exist for all of the undelivered elements, then all revenue from the arrangement is typically deferred until all elements have been delivered to the customer.

The Company’s products are sold directly to end users, as well as to resellers including original equipment manufacturers (OEMs), distributors, and integrators. Revenue is recognized upon delivery of the product to the reseller, assuming all other revenue recognition criteria have been met. The Company establishes reserves against revenue for potential product returns, since the amount of future returns can be reasonably estimated based upon experience. These reserves have historically been immaterial.

Amounts billed to customers related to shipping and handling, as well as reimbursements received from customers for out-of-pocket expenses, are classified as revenue, with the associated costs included in cost of revenue.

Research and Development

Research and development costs for internally-developed or acquired products are expensed when incurred until technological feasibility has been established for the product. Thereafter, all software costs are capitalized until the product is available for general release to customers. The Company determines technological feasibility at the time the product reaches beta in its stage of development. Historically, the time incurred between beta and general release to customers has been short, and therefore, the costs have been insignificant. As a result, the Company has not capitalized software costs associated with internally-developed products.

Advertising Costs

Advertising costs are expensed as incurred and totaled $1,289,000 in 2014, $1,656,000 in 2013, and $1,792,000 in 2012.

Stock-Based Compensation

The Company’s share-based payments that result in compensation expense consist of stock option grants and restricted stock awards. The Company has reserved a specific number of shares of its authorized but unissued shares for issuance upon the exercise of stock options or the granting of restricted stock. When a stock option is exercised or a restricted stock award is granted, the Company issues new shares from this pool. The fair values of stock options are estimated on the grant date using a binomial lattice model. Management is responsible for determining the appropriate valuation model and estimating these fair values, and in doing so, considers a number of factors, including information provided by an outside valuation advisor.

The Company recognizes compensation expense related to stock options using the graded attribution method, in which expense is recognized on a straight-line basis over the service period for each separately vesting portion of the stock option as if the option was, in substance, multiple awards. The amount of compensation expense recognized at the end of the vesting period is based upon the number of stock options for which the requisite service has been completed. No compensation expense is recognized for options that are forfeited for which the employee does not render the requisite service. The term “forfeitures” is distinct from “expirations” and represents only the unvested portion of the surrendered option. The Company applies estimated forfeiture rates to its unvested options to arrive at the amount of compensation expense that is expected to be recognized over the requisite service period. At the end of each separately vesting portion of an option, the expense that was recognized by applying the estimated forfeiture rate is compared to the expense that should be recognized based upon the employee’s service, and a credit to expense is recorded related to those employees that have not rendered the requisite service.

Taxes

The Company recognizes a tax position in its financial statements when that tax position, based solely upon its technical merits, is more likely than not to be sustained upon examination by the relevant taxing authority. Those tax positions failing to qualify for initial recognition are recognized in the first interim period in which they meet the more likely than not standard, or are resolved through negotiation or litigation with the taxing authority, or upon expiration of the statutes of limitations. Derecognition of a tax position that was previously recognized occurs when an entity subsequently determines that a tax position no longer meets the more likely than not threshold of being sustained.

Only the portion of the liability that is expected to be paid within one year is classified as a current liability. As a result, liabilities expected to be resolved without the payment of cash (e.g., resolution due to the expiration of the statutes of limitations) or are not expected to be paid within one year are not classified as current. It is the Company’s policy to record estimated interest and penalties as income tax expense and tax credits as a reduction in income tax expense.

Deferred tax assets and liabilities are determined based upon the differences between the financial statement and tax bases of assets and liabilities as measured by the enacted tax rates that will be in effect when these differences reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

Sales tax in the United States and similar taxes in other jurisdictions that are collected from customers and remitted to government authorities are presented on a gross basis (i.e., a receivable from the customer with a corresponding payable to the government). Amounts collected from customers and retained by the Company during tax holidays are recognized as nonoperating income when earned.

Net Income Per Share

Basic net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed by dividing net income available to common shareholders by the weighted-average number of common shares outstanding for the period plus potential dilutive common shares. Dilutive common equivalent shares consist of stock options and are calculated using the treasury stock method. Common equivalent shares do not qualify as participating securities. In periods where the Company records a net loss, potential common stock equivalents are not included in the calculation of diluted net loss per share.

Comprehensive Income

Comprehensive income is defined as the change in equity of a company during a period from transactions and other events and circumstances, excluding transactions resulting from investments by owners and distributions to owners. Accumulated other comprehensive loss, net of tax, as of December 31, 2014 and December 31, 2013, consists of foreign currency translation adjustments of $38,030,000 and $28,630,000, respectively; net unrealized losses on available-for-sale investments of $130,000 and $36,000, respectively; net unrealized gains on derivative instruments of $32,000 and $104,000, respectively; and losses on currency swaps, net of gains on long-term intercompany loans, of $1,271,000 and $1,271,000, respectively.

Amounts reclassified from accumulated other comprehensive income to investment income on the Consolidated Statements of Operations were net realized gains of $673,000, $314,000, and $1,695,000 for 2014, 2013, and 2012, respectively.

Concentrations of Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash, cash equivalents, investments, and trade receivables. The Company has certain domestic and foreign cash balances that exceed the insured limits set by the Federal Deposit Insurance Corporation (FDIC) in the United States and equivalent regulatory agencies in foreign countries. The Company primarily invests in investment-grade debt securities and has established guidelines relative to credit ratings, diversification, and maturities of its debt securities that maintain safety and liquidity. The Company has not experienced any significant realized losses on its debt securities.

The Company performs ongoing credit evaluations of its customers and maintains allowances for potential credit losses. The Company has not experienced any significant losses related to the collection of its accounts receivable.

A significant portion of the Company’s MVSD product is manufactured by a third-party contractor located in Indonesia. This contractor has agreed to provide Cognex with termination notification periods and last-time-buy rights, if and when that may be applicable. We rely upon this contractor to provide quality product and meet delivery schedules. We engage in extensive product quality programs and processes, including actively monitoring the performance of our third-party manufacturers. Certain components are presently available only from a single source. Certain key electronic components that are purchased from strategic suppliers, such as processors or imagers, are fundamental to the design of Cognex products. A disruption in the supply of these key components, such as a last-time-buy announcement, natural disaster, financial bankruptcy, or other event, may require us to purchase a significant amount of inventory at unfavorable prices resulting in lower gross margins and higher risk of carrying excess or obsolete inventory. If we are unable to secure adequate supply from alternative sources, we may have to redesign our products, which may lead to a delay in manufacturing and a possible loss of sales.

Derivative Instruments

Derivative instruments are recorded on the Consolidated Balance Sheets at fair value. Changes in the fair value of derivatives are recorded each period in current operations or in shareholders' equity as other comprehensive income (loss), depending upon whether the derivative is designated as a hedge transaction and, if it is, the effectiveness of the hedge. At the inception of the contract, the Company designates foreign currency forward exchange contracts as either a cash flow hedge of certain forecasted foreign currency denominated sales and purchase transactions or as an economic hedge. Changes in the fair value of a derivative that is highly effective and that is designated and qualifies as a cash flow hedge are recorded in shareholders' equity as other comprehensive income (loss), and reclassified into current operations in the same period during which the hedged transaction affects current operations and in the same financial statement line item as that of the forecasted transaction. Cash flow hedges are evaluated for effectiveness quarterly. Any hedge ineffectiveness (which represents the amount by which the changes in the fair value of the derivative exceed the variability in the cash flows of the forecasted transaction) is recorded in current operations in the period in which ineffectiveness is determined. Changes in the fair value of the Company’s economic hedges (not designated as a cash flow hedge) are reported in current operations. The cash flows from derivative instruments are presented in the same category on the Consolidated Statements of Cash Flows as the category for the cash flows from the hedged item. Generally, this accounting policy election results in cash flows related to derivative instruments being classified as an operating activity on the Consolidated Statements of Cash Flows.

The Company formally documents all relationships between hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking various hedge transactions. This process includes linking all derivatives that are designated as cash flow hedges to specific forecasted transactions. The Company also formally assesses (both at the hedge’s inception and on an ongoing basis) whether the derivatives that are used in hedging transactions have been highly effective in offsetting changes in the fair value or cash flows of hedged items and whether those derivatives may be expected to remain highly effective in future periods. When it is determined that a derivative is not (or has ceased to be) highly effective as a hedge, the Company discontinues hedge accounting prospectively, as discussed below.

The Company discontinues hedge accounting prospectively when (1) it determines that the derivative is no longer effective in offsetting changes in the cash flows of a hedged item; (2) the derivative expires or is sold, terminated, or exercised; (3) it is no longer probable that the forecasted transaction will occur; or (4) management determines that designating the derivative as a hedging instrument is no longer appropriate or desired. When the Company discontinues hedge accounting because it is no longer probable that the forecasted transaction will occur in the originally expected period, the gain or loss on the derivative remains in accumulated other comprehensive income (loss) and is reclassified into current operations when the forecasted transaction affects current operations. However, if it is probable that a forecasted transaction will not occur by the end of the originally specified time period or within an additional two-month period of time thereafter, the gain or loss that was accumulated in other comprehensive income (loss) is recognized immediately in current operations. In all situations in which hedge accounting is discontinued and the derivative remains outstanding, the Company carries the derivative at fair value on the Consolidated Balance Sheets, recognizing changes in the fair value in current operations, unless it is designated in a new hedging relationship.

The Company recognizes all derivative instruments as either current assets or current liabilities at fair value on the Consolidated Balance Sheets. When the Company is engaged in more than one outstanding derivative contract with the same counterparty and also has a legally enforceable master netting agreement with that counterparty, the “net” mark-to-market exposure represents the netting of the positive and negative exposures with that counterparty. Accordingly, cash flow hedges are presented net on the Consolidated Balance Sheets.

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Derivative Instruments

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

The Company’s foreign currency risk management strategy is principally designed to mitigate the potential financial impact of changes in the value of transactions and balances denominated in foreign currencies resulting from changes in foreign currency exchange rates. Currently, the Company enters into two types of hedges to manage this risk. The first are economic hedges which utilize foreign currency forward contracts with maturities of up to 45 days to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. These economic hedges are not designated as hedging instruments for hedge accounting treatment. The second are cash flow hedges which utilize foreign currency forward contracts with maturities of up to 18 months to hedge specific forecasted transactions of the Company's foreign subsidiaries with the goal of protecting our budgeted revenues and expenses against foreign currency exchange rate changes compared to our budgeted rates. These cash flow hedges are designated as hedging instruments for hedge accounting treatment.

The Company had the following outstanding forward contracts (in thousands):

	As of December 31, 2014			As of December 31, 2013
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Designated as Hedging Instruments:
Japanese Yen	1,225,000	$	10,211	625,000	$	6,122
Hungarian Forint	803,000	3,099		570,175	2,603
Singapore Dollar	3,515	2,564		2,867	2,346
British Pound	491	732		613	1,010
Canadian Dollar	758	688		985	932
Derivatives Not Designated as Hedging Instruments:
Japanese Yen	535,000	$	4,464	294,500	$	2,797
British Pound	1,400	2,183		1,100	1,820
Hungarian Forint	410,000	1,569		123,000	568
Singapore Dollar	1,225	922		—	—
Taiwanese Dollar	28,000	883		27,000	908
Korean Won	940,000	858		650,000	620
Euro	—	—		2,828	3,887
Chinese Yuan	—	—		9,000	1,467
Brazilian Real	—	—		250	106

Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):

	Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
		December 31, 2014		December 31, 2013			December 31, 2014		December 31, 2013
Derivatives Designated as Hedging Instruments:
Cash flow hedge forward contracts	Prepaid expenses and other current assets	$	108	$	204	Accrued expenses	$	84	$	98
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	6	$	6	Accrued expenses	$	13	$	24

The table below details the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):

Asset Derivatives						Liability Derivatives
	December 31, 2014			December 31, 2013			December 31, 2014			December 31, 2013
Gross amounts of recognized assets	$	188		$	210	Gross amounts of recognized liabilities	$	149		$	122
Gross amounts offset	(74		)	—		Gross amounts offset	(52		)	—
Net amount of assets presented	$	114		$	210	Net amount of liabilities presented	$	97		$	122

Information regarding the effect of derivative instruments, net of the underlying exposure, on the consolidated financial statements was as follows (in thousands):

	Location in Financial Statements
		2014			2013			2012
Derivatives Designated as Hedging Instruments:
Gains (losses) recorded in shareholders' equity (effective portion)	Accumulated other comprehensive income (loss), net of tax	$	32		$	104		$	—
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion)	Product revenue	(14		)	—			—
	Research, development, and engineering expenses	(42		)	—			—
	Selling, general, and administrative expenses	10			—			—
	Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations	$	(46	)	$	—		$	—
Gains (losses) recognized in current operations (ineffective portion and discontinued derivatives)	Foreign currency gain (loss)	$	—		$	—		$	—
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	540		$	(193	)	$	(722	)

The following table provides the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):

Balance as of December 31, 2013	$	104
Reclassification of net realized loss on cash flow hedges into current operations	46
Net unrealized loss on cash flow hedges	(118		)
Balance as of December 31, 2014	$	32

Net gains expected to be reclassified from accumulated other comprehensive income (loss), net of tax, into current operations within the next twelve months are $47,000.

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Accrued Expenses

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2014		2013
Company bonuses	$	9,294	$	6,880
Salaries, commissions, and payroll taxes	5,802		6,111
Vacation	5,076		4,598
Warranty obligations	4,494		3,016
Foreign retirement obligations	3,626		3,726
Japanese consumption taxes	2,286		1,372
Other	9,371		8,628
	$	39,949	$	34,331

The changes in the warranty obligation were as follows (in thousands):

Balance as of December 31, 2012	$	2,256
Provisions for warranties issued during the period	2,770
Fulfillment of warranty obligations	(2,114		)
Foreign exchange rate changes	104
Balance as of December 31, 2013	3,016
Provisions for warranties issued during the period	5,250
Fulfillment of warranty obligations	(3,354		)
Foreign exchange rate changes	(418		)
Balance as of December 31, 2014	$	4,494

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Taxes - Additional Information (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Tax Credit Carryforward [Line Items]
Domestic income from continuing operations before taxes	$ 41,226,000	$ 29,576,000	$ 36,754,000
Foreign income from continuing operations before taxes	106,171,000	58,310,000	49,876,000
Increase (decrease) in tax expense for the final true-up of the prior year's tax accrual upon filing the actual tax returns	(674,000)	267,000	84,000
Increase (decrease) in tax expense upon the expiration of the statutes of limitation for certain reserves for income tax uncertainties	(217,000)	(1,790,000)	(441,000)
Income Tax Examination, Increase (Decrease) in Liability from Prior Year	(553,000)
Increase (decrease) in tax expense for release of tax reserves resulting from audit	(296,000)
Increase (decrease) in interest and penalties	(46,000)	(854,000)	(58,000)
Increase (decrease) in tax expense from write down of noncurrent deferred tax asset			101,000
Unrecognized tax benefit shown as a reduction to noncurrent deferred tax assets	1,028,000
Reserve for income taxes	4,623,000	4,765,000
Deferred Tax Liabilities, Gross, Noncurrent	5,651,000
Interest and penalties, gross	524,000	357,000
Minimum decrease in income tax expense due to release in reserves	900,000
Maximum decrease in income tax expense due to release in reserves	1,000,000
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals	342,000
Non deductible federal and state liabilities	2,430,000	3,662,000
Income from expiration of the statute of limitations relating to a tax		354,000	141,000
Income tax paid net	17,549,000	8,831,000	13,551,000
Open Tax Year State Authorities	2011 through 2013
Open tax year United States Internal Revenue Service	2012 through 2013
Tax years open to examination, various authorities	2010 through 2013
Tax years covered through Advanced Pricing Agreement		2006 through 2011
Tax years in negotiation for APA agreement	Between 2014 and 2018
State research and experimentation tax carryforwards	2014 through 2016
Research and Development tax credit [Member]
Tax Credit Carryforward [Line Items]
Reduction in tax expense	757,000	555,000
Research Tax Credit Carryforward [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Valuation Allowance	725,000
State Research And Experimentation [Member]
Tax Credit Carryforward [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Research	$ 5,575,000

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Inventories

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following (in thousands):

	December 31,
	2014		2013
Raw materials	$	23,498	$	13,101
Work-in-process	5,753		4,472
Finished goods	6,285		8,121
	$	35,536	$	25,694

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Property, Plant and Equipment - Additional Information (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 EUR (€)	Mar. 01, 2015 Building purchase, final payment [Member] EUR (€)
Property, Plant and Equipment [Line Items]
Total purchase price of property	$ 5,444		€ 4,500
Building purchase down payment			450
Building purchase, final payment				4,050
Disposals in period	2,620	1,616
Buildings include rental property	5,750	5,750
Accumulated depreciation	$ 2,627	$ 2,480

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Fair Value Measurements

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Financial Assets and Liabilities that are Measured at Fair Value on a Recurring Basis

The following table summarizes the financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2014 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Money market instruments	$	777	$	—
Corporate bonds	—		247,183
Treasury bills	—		90,412
Asset-backed securities	—		63,867
Euro liquidity fund	—		48,235
Agency bonds	—		16,449
Sovereign bonds	—		13,461
Municipal bonds	—		7,837
Supranational bonds	—		1,901
Cash flow hedge forward contracts	—		108
Economic hedge forward contracts	—		6
Liabilities:
Cash flow hedge forward contracts	—		84
Economic hedge forward contracts	—		13

The Company’s money market instruments are reported at fair value based upon the daily market price for identical assets in active markets, and are therefore classified as Level 1.

The Company’s debt securities and forward contracts are reported at fair value based upon model-driven valuations in which all significant inputs are observable or can be derived from or corroborated by observable market data for substantially the full term of the asset or liability, and are therefore classified as Level 2. Management is responsible for estimating the fair value of these financial assets and liabilities, and in doing so, considers valuations provided by a large, third-party pricing service. For debt securities, this service maintains regular contact with market makers, brokers, dealers, and analysts to gather information on market movement, direction, trends, and other specific data. They use this information to structure yield curves for various types of debt securities and arrive at the daily valuations. The Company's forward contracts are typically traded or executed in over-the-counter markets with a high degree of pricing transparency. The market participants are generally large commercial banks.

The Company did not record an other-than-temporary impairment of these financial assets or liabilities in 2014, 2013, or 2012.

Financial Assets that are Measured at Fair Value on a Non-recurring Basis

The Company has an interest in a limited partnership, which is accounted for using the cost method and is required to be measured at fair value on a non-recurring basis. Management is responsible for estimating the fair value of this investment, and in doing so, considers valuations of the partnership’s investments as determined by the General Partner. Publicly-traded investments in active markets are reported at the market closing price less a discount, as appropriate, to reflect restricted marketability. Fair value for private investments for which observable market prices in active markets do not exist is based upon the best information available including the value of a recent financing, reference to observable valuation measures for comparable companies (such as revenue multiples), public or private transactions (such as the sale of a comparable company), and valuations for publicly-traded comparable companies. The valuations also incorporate the General Partner’s own judgment and close familiarity with the business activities of each portfolio company. Significant increases or decreases in any of these inputs in isolation may result in a significantly lower or higher fair value measurement. The portfolio consists of securities of public and private companies, and consequently, inputs used in the fair value calculation are classified as Level 3. The Company did not record an other-than-temporary impairment of this investment in 2014, 2013, or 2012.

Non-financial Assets that are Measured at Fair Value on a Non-recurring Basis

Non-financial assets such as property, plant, and equipment, intangible assets, and goodwill are required to be measured at fair value only when an impairment loss is recognized. The Company did not record an impairment charge related to these assets in 2014, 2013, or 2012.

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Cash, Cash Equivalents, and Investments

12 Months Ended

Dec. 31, 2014

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents, and Investments

Cash, Cash Equivalents, and Investments

Cash, cash equivalents, and investments consisted of the following (in thousands):

	December 31,
	2014		2013
Cash	$	54,917	$	40,124
Money market instruments	777		520
Cash and cash equivalents	55,694		40,644
Euro liquidity fund	48,235		—
Corporate bonds	30,889		109,040
Agency bonds	6,883		1,499
Supranational bonds	1,901		—
Asset-backed securities	1,311		53,559
Municipal bonds	1,237		9,276
Sovereign bonds	—		11,448
Short-term investments	90,456		184,822
Corporate bonds	216,294		109,909
Treasury bills	90,412		73,666
Asset-backed securities	62,556		21,820
Sovereign bonds	13,461		16,385
Agency bonds	9,566		—
Municipal bonds	6,600		5,919
Limited partnership interest (accounted for using cost method)	1,956		1,956
Long-term investments	400,845		229,655
	$	546,995	$	455,121

The Company’s cash balance included foreign bank balances totaling $43,732,000 and $32,096,000 as of December 31, 2014 and 2013, respectively.

The Euro liquidity fund invests in a portfolio of investment-grade bonds; corporate bonds consist of debt securities issued by both domestic and foreign companies; agency bonds consist of domestic or foreign obligations of government agencies and government- sponsored enterprises that have government backing; supranational bonds consist of direct debt issued by two or more foreign central governments; asset-backed securities consist of debt securities collateralized by pools of receivables or loans with credit enhancement; municipal bonds consist of debt securities issued by state and local government entities; treasury bills consist of debt securities issued by both the U.S. and foreign governments; and sovereign bonds consist of direct debt issued by foreign governments. The Euro liquidity fund is denominated in Euros, and the remaining securities are denominated in U.S. Dollars.

The following tables summarize the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Short-term:
Euro liquidity fund	$	48,229	$	6	$	—		$	48,235
Corporate bonds	30,842		50		(3		)	30,889
Agency bonds	6,883		—		—			6,883
Supranational bonds	1,900		1		—			1,901
Asset-backed securities	1,311		—		—			1,311
Municipal bonds	1,232		5		—			1,237
Long-term:
Corporate bonds	216,404		442		(552		)	216,294
Treasury bills	90,458		8		(54		)	90,412
Asset-backed securities	62,590		18		(52		)	62,556
Sovereign bonds	13,461		11		(11		)	13,461
Agency bonds	9,570		4		(8		)	9,566
Municipal bonds	6,567		33		—			6,600
	$	489,447	$	578	$	(680	)	$	489,345

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of December 31, 2014 (in thousands):

	Unrealized Loss Position For Less than 12 Months					Unrealized Loss Position For Greater than 12 Months					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate bonds	$	126,038	$	(555	)	$	—	$	—		$	126,038	$	(555	)
Treasury bills	70,901		(54		)	—		—			70,901		(54		)
Asset-backed securities	33,603		(36		)	3,487		(16		)	37,090		(52		)
Agency bonds	7,135		(8		)	—		—			7,135		(8		)
Sovereign bonds	6,553		(11		)	—		—			6,553		(11		)
	$	244,230	$	(664	)	$	3,487	$	(16	)	$	247,717	$	(680	)

As of December 31, 2014, the Company did not recognize an other-than-temporary impairment of these investments. In its evaluation, management considered the type of security, the credit rating of the security, the length of time the security has been in a loss position, the size of the loss position, our intent and ability to hold the security to expected recovery of value, and other meaningful information. The Company does not intend to sell, and is unlikely to be required to sell, any of these available-for-sale investments before its effective maturity or market price recovery.

The Company recorded gross realized gains on the sale of debt securities totaling $843,000 in 2014, $508,000 in 2013, and $1,990,000 in 2012, and gross realized losses on the sale of debt securities totaling $170,000 in 2014, $194,000 in 2013, and $295,000 in 2012. These gains and losses are included in "Investment income" on the Consolidated Statement of Operations. Prior to the sale of these securities, unrealized gains and losses for these debt securities, net of tax, are recorded in shareholders’ equity as other comprehensive income (loss).

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of December 31, 2014 (in thousands):

	<1 Year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		5-8 Years		Total
Corporate bonds	$	30,889	$	82,238	$	97,921	$	19,718	$	16,417	$	—	$	247,183
Treasury bills	—		85,629		4,783		—		—		—		90,412
Asset-backed securities	1,311		4,788		19,542		23,815		8,967		5,444		63,867
Euro liquidity fund	48,235		—		—		—		—		—		48,235
Agency bonds	6,883		4,506		5,060		—		—		—		16,449
Sovereign bonds	—		9,768		3,693		—		—		—		13,461
Municipal bonds	1,237		1,719		4,881		—		—		—		7,837
Supranational bonds	1,901		—		—		—		—		—		1,901
	$	90,456	$	188,648	$	135,880	$	43,533	$	25,384	$	5,444	$	489,345

The Company is a Limited Partner in Venrock Associates III, L.P. (Venrock), a venture capital fund. The Company has committed to a total investment in the limited partnership of up to $20,500,000, with the commitment period expiring December 31, 2015. As of December 31, 2014, the Company contributed $19,886,000 to the partnership. The remaining commitment of $614,000 can be called by Venrock at any time before December 31, 2015. Contributions and distributions are at the discretion of Venrock’s management. No contributions were made and no distributions were received in 2014. The Company received stock distributions totaling $362,000 in 2013 and $2,193,000 in 2012. The Company immediately liquidated these stocks for proceeds of $347,000 and $2,128,000, respectively, resulting in realized losses of $15,000 and $65,000 in 2013 and 2012, respectively. Cash distributions in the amount of $1,422,000 were also received in 2013. All distributions are accounted for as return of capital. As of December 31, 2014, the carrying value of this investment was $1,956,000 compared to an estimated fair value of $6,200,000.

In 2012, the Company purchased stock in a publicly-traded U.S. Company for $2,136,000, which was accounted for as a trading security. As of December 31, 2012, the Company recorded an unrealized loss of $5,000 on this investment. In 2013, the Company sold all shares of this security at an aggregate fair value of $1,429,000, resulting in a realized loss of $702,000.

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Property, Plant, and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment

Property, Plant, and Equipment

Property, plant, and equipment consisted of the following (in thousands):

	December 31,
	2014			2013
Land	$	3,951		$	3,951
Buildings	23,815			18,371
Building improvements	20,985			15,711
Leasehold improvements	5,738			5,185
Computer hardware and software	31,816			29,353
Manufacturing test equipment	15,133			14,715
Furniture and fixtures	4,130			3,917
	105,568			91,203
Less: accumulated depreciation	(57,661		)	(54,067		)
	$	47,907		$	37,136

On December 29, 2014, the Company purchased a building in Cork, Ireland for 4,500,000 Euros (approximately $5,444,000) where the Company had previously leased space for several years and that serves as the distribution center for MVSD customers outside of the Americas. 450,000 Euros of the purchase price was paid in December 2014. The remaining 4,050,000 Euros were paid in early February 2015 and is included in "Accounts payable" on the Consolidated Balance Sheet at December 31, 2014.

The cost of property, plant, and equipment totaling $2,620,000 and $1,616,000 was removed from both the asset and accumulated depreciation balances in 2014 and 2013, respectively. Losses on these disposals were immaterial in both periods.

Buildings include rental property with a cost basis of $5,750,000 as of December 31, 2014 and 2013, and accumulated depreciation of $2,627,000 and $2,480,000 as of December 31, 2014 and 2013, respectively.

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Goodwill - Additional Information (Detail)	Oct. 04, 2010
MVSD [Member]
Goodwill [Line Items]
Fair value in excess to carrying value	208.00%
SISD [Member]
Goodwill [Line Items]
Fair value in excess to carrying value	119.00%

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Taxes - Constituents of Provision for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 23,484	$ 8,720	$ 11,284
State	973	721	789
Foreign	4,854	3,167	5,790
Current income tax expense (benefit), Total	29,311	12,608	17,863
Deferred:
Federal	(2,569)	1,580	428
State	7	119	36
Foreign	(837)	6	205
Deferred income tax expense (benefit), Total	(3,399)	1,705	669
Income tax expense (benefit), continuing operations, Total	$ 25,912	$ 14,313	$ 18,532

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Accrued Expenses - Changes in Warranty Obligations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning Balance	$ 3,016	$ 2,256
Provisions for warranties issued during the period	5,250	2,770
Fulfillment of warranty obligations	(3,354)	(2,114)
Foreign exchange rate changes	(418)	104
Ending Balance	$ 4,494	$ 3,016

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Goodwill - Changes in the Carrying Value of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 81,689	$ 81,689
Foreign currency exchange rate changes	0	0
Goodwill, Ending Balance	81,689	81,689
MVSD [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	77,388	77,388
Foreign currency exchange rate changes	0	0
Goodwill, Ending Balance	77,388	77,388
SISD [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	4,301	4,301
Foreign currency exchange rate changes	0	0
Goodwill, Ending Balance	$ 4,301	$ 4,301

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Segment and Geographic Information - Information About the Company's Segments (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Product revenue	$ 451,066	$ 326,786	$ 295,588
Service revenue	35,204	27,100	28,691
Depreciation and amortization	12,467	11,102	10,858
Goodwill and intangibles	92,388	96,412	96,459
Operating income	143,663	86,368	83,407
MVSD [Member]
Segment Reporting Information [Line Items]
Product revenue	409,017	298,186	263,308
Service revenue	17,432	9,465	10,388
Depreciation and amortization	10,580	9,569	9,505
Goodwill and intangibles	87,059	90,718	90,390
Operating income	156,552	99,383	89,378
SISD [Member]
Segment Reporting Information [Line Items]
Product revenue	42,049	28,600	32,280
Service revenue	17,772	17,635	18,303
Depreciation and amortization	1,138	1,078	963
Goodwill and intangibles	5,329	5,694	6,069
Operating income	15,598	8,990	11,941
Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	749	455	390
Operating income	$ (28,487)	$ (22,005)	$ (17,912)

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Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in thousands):

	December 31,
	2014		2013
Raw materials	$	23,498	$	13,101
Work-in-process	5,753		4,472
Finished goods	6,285		8,121
	$	35,536	$	25,694

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Summary of Significant Accounting Policies - Comprehensive Income (Loss) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss consists of foreign currency translation adjustments, net of tax	$ 38,030,000	$ 28,630,000
Net unrealized losses on available-for-sale investments, net of tax	130,000	36,000
Losses on currency swaps, net of gains on long-term intercompany loans	1,271,000	1,271,000
Net realized gains reclassified into current operations	673,000	314,000	1,695,000
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized gains reclassified into current operations	673,000	314,000	1,695,000
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized gains on derivative instruments	$ (32,000)	$ (104,000)	$ 0

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Guarantees

12 Months Ended

Dec. 31, 2014

Guarantees [Abstract]

Guarantees

Guarantees

In the ordinary course of business, the Company enters into guarantee contracts with certain customers, generally in the Company’s Surface Inspection Systems Division (SISD) business. These guarantees are collateralized by standby letters of credit (LOC) which can be grouped into three categories: (1) bank guarantees which may require the Company to return a customer’s initial payment if the Company cannot deliver the order; (2) warranty bonds which may require the Company to resolve warranty issues within a specified time period; and (3) performance bonds which include a combination of the above two options. The type of LOC is generally determined based upon customer request and the guarantee amount represents the maximum potential amount of future payments. All of the Company’s LOCs are with the same counterparty and they do not contain any recourse provisions or collateral obligations.

The following table details the letters of credit outstanding as of December 31, 2014 (in thousands):

Type	Guarantee Amount		Guarantee due date
Bank Guarantees	$	990	Various from January 2015 to August 2016
Warranty Bonds	713		Various from January 2015 to October 2016
Performance Bonds	424		Various from January 2015 to December 2017
	$	2,127

The Company evaluates losses for guarantees under accounting for contingencies. The Company considers such factors as the degree of probability that the Company would be required to satisfy the liability and the ability to make a reasonable estimate of the loss. To date, the Company has not incurred any losses as a result of these obligations, and therefore, has not recorded any liability related to such obligation in its financial statements. The fair value of the Company’s outstanding guarantees is immaterial for all periods presented.

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Employee Savings Plan

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Employee Savings Plan

Employee Savings Plan

Under the Company’s Employee Savings Plan, a defined contribution plan, U.S. employees who have attained age 21 may contribute up to 25% of their salary on a pretax basis subject to the annual dollar limitations established by the Internal Revenue Service. The Company currently contributes fifty cents for each dollar an employee contributes, with a maximum contribution of 3% of an employee’s pretax salary. Company contributions vest 20%, 40%, 60%, and 100% after two, three, four, and five years of continuous employment with the Company, respectively. Company contributions totaled $1,555,000 in 2014, $1,423,000 in 2013, and $1,362,000 in 2012. Cognex stock is not an investment alternative and Company contributions are not made in the form of Cognex stock.

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Summary of Significant Accounting Policies - Warranty (Details)	12 Months Ended
	Dec. 31, 2014
Minimum [Member]
Product Liability Contingency [Line Items]
Product Warranty Period	6 months
Maximum [Member]
Product Liability Contingency [Line Items]
Product Warranty Period	3 years

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Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

The Company had the following outstanding forward contracts (in thousands):

	As of December 31, 2014			As of December 31, 2013
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Designated as Hedging Instruments:
Japanese Yen	1,225,000	$	10,211	625,000	$	6,122
Hungarian Forint	803,000	3,099		570,175	2,603
Singapore Dollar	3,515	2,564		2,867	2,346
British Pound	491	732		613	1,010
Canadian Dollar	758	688		985	932
Derivatives Not Designated as Hedging Instruments:
Japanese Yen	535,000	$	4,464	294,500	$	2,797
British Pound	1,400	2,183		1,100	1,820
Hungarian Forint	410,000	1,569		123,000	568
Singapore Dollar	1,225	922		—	—
Taiwanese Dollar	28,000	883		27,000	908
Korean Won	940,000	858		650,000	620
Euro	—	—		2,828	3,887
Chinese Yuan	—	—		9,000	1,467
Brazilian Real	—	—		250	106

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):

	Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
		December 31, 2014		December 31, 2013			December 31, 2014		December 31, 2013
Derivatives Designated as Hedging Instruments:
Cash flow hedge forward contracts	Prepaid expenses and other current assets	$	108	$	204	Accrued expenses	$	84	$	98
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	6	$	6	Accrued expenses	$	13	$	24

Offsetting Assets

The table below details the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):

Asset Derivatives						Liability Derivatives
	December 31, 2014			December 31, 2013			December 31, 2014			December 31, 2013
Gross amounts of recognized assets	$	188		$	210	Gross amounts of recognized liabilities	$	149		$	122
Gross amounts offset	(74		)	—		Gross amounts offset	(52		)	—
Net amount of assets presented	$	114		$	210	Net amount of liabilities presented	$	97		$	122

Derivative Instruments, Gain (Loss)

Information regarding the effect of derivative instruments, net of the underlying exposure, on the consolidated financial statements was as follows (in thousands):

	Location in Financial Statements
		2014			2013			2012
Derivatives Designated as Hedging Instruments:
Gains (losses) recorded in shareholders' equity (effective portion)	Accumulated other comprehensive income (loss), net of tax	$	32		$	104		$	—
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion)	Product revenue	(14		)	—			—
	Research, development, and engineering expenses	(42		)	—			—
	Selling, general, and administrative expenses	10			—			—
	Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations	$	(46	)	$	—		$	—
Gains (losses) recognized in current operations (ineffective portion and discontinued derivatives)	Foreign currency gain (loss)	$	—		$	—		$	—
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	540		$	(193	)	$	(722	)

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)

The following table provides the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):

Balance as of December 31, 2013	$	104
Reclassification of net realized loss on cash flow hedges into current operations	46
Net unrealized loss on cash flow hedges	(118		)
Balance as of December 31, 2014	$	32

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Partners' Capital [Abstract]
Tax effect of unrealized gain on cash flow hedges	$ 0	$ 13	$ 0
Tax effect of unrealized gain (loss) on available-for-sale investments	40	(147)	129
Tax effect of foreign currency translation adjustment	$ (870)	$ 22	$ (7)

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Taxes - Constituents of Deferred Tax Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current deferred tax assets:
Inventory and revenue related	$ 4,911	$ 5,614
Bonuses, commissions, and other compensation	2,280	1,377
Other	1,794	1,292
Gross current deferred tax assets	8,985	8,283
Valuation allowance	0	(672)
Net current deferred tax assets	8,985	7,611
Noncurrent deferred tax assets:
Stock-based compensation expense	10,290	7,488
Federal and state tax credit carryforwards	4,547	5,418
Depreciation	1,945	1,831
Acquired completed technologies and other intangible assets	450	835
Unrealized investment gains and losses	355	601
Correlative tax relief and deferred interest related to reserves	342	252
Other	1,436	1,178
Gross noncurrent deferred tax assets	19,365	17,603
Noncurrent deferred tax liabilities:
Nondeductible intangible assets	(2,430)	(3,662)
Other	0	(548)
Gross noncurrent deferred tax liabilities	(2,430)	(4,210)
Valuation allowance	(2,483)	(1,086)
Net noncurrent deferred tax assets	$ 14,452	$ 12,307

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Tax effect of unrealized gain on derivative instruments	$ 0	$ 13	$ 0
Tax effect of unrealized gain on available-for-sale investments	40	(147)	129
Tax benefit of foreign currency translation adjustment	$ (870)	$ 22	$ 7

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Inventories - Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 23,498	$ 13,101
Work-in-process	5,753	4,472
Finished goods	6,285	8,121
Inventories	$ 35,536	$ 25,694

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Stock-Based Compensation Expense - Stock-Based Compensation Expense (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Period for Recognition	1 year 6 months 30 days
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 15,158,000	$ 10,620,000	$ 8,520,000
Income tax benefit recognized related to stock-based compensation expense	4,977,000	3,482,000	2,772,000
Compensation expense capitalized	0	0	0
Product cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,033,000	747,000	581,000
Service cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	171,000	177,000	161,000
Research, development, and engineering expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	3,832,000	2,585,000	2,149,000
Selling, general, and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 10,122,000	$ 7,111,000	$ 5,629,000

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Commitments and Contingencies - Future Minimum Rental Receipts Under Non - Cancelable Lease Agreements (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Future minimum rental receipts under non-cancelable lease agreements
2015	$ 1,678
2016	1,675
2017	1,415
2018	1,009
2019	1,035
Thereafter	1,417
Total	$ 8,229

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Taxes

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Taxes

Taxes

Domestic income before taxes was $41,226,000 in 2014, $29,576,000 in 2013, and $36,754,000 in 2012. Foreign income before taxes was $106,171,000 in 2014, $58,310,000 in 2013, and $49,876,000 in 2012.

The provision for income taxes consisted of the following (in thousands):

	Year Ended December 31,
	2014			2013		2012
Current:
Federal	$	23,484		$	8,720	$	11,284
State	973			721		789
Foreign	4,854			3,167		5,790
	29,311			12,608		17,863
Deferred:
Federal	(2,569		)	1,580		428
State	7			119		36
Foreign	(837		)	6		205
	(3,399		)	1,705		669
	$	25,912		$	14,313	$	18,532

A reconciliation of the United States federal statutory corporate tax rate to the Company’s effective tax rate was as follows:

	Year Ended December 31,
	2014		2013		2012
Income tax provision at federal statutory rate	35	%	35	%	35	%
State income taxes, net of federal benefit	1		1		1
Foreign tax rate differential	(17	)	(17	)	(14	)
Tax credit	—		(1	)	—
Discrete tax events	(1	)	(3	)	—
Other	—		1		(1	)
Income tax provision	18	%	16	%	21	%

The effective tax rate for 2014 included the impact of the following discrete events: (1) a decrease in tax expense of $674,000 from the final true-up of the prior year's tax accrual upon filing the actual returns, (2) a decrease in tax expense of $217,000 from the expiration of statutes of limitations for certain reserves for income tax uncertainties, (3) a decrease in tax expense of $553,000, which includes $296,000 for the release of certain tax reserves, related to the closing of the Internal Revenue Service audit of the Company for tax years 2010 and 2011, and (4) a decrease in tax expense, net of reserves, of $757,000 from the retroactive application of the 2014 research and development tax credit. The Tax Increase Prevention Act of 2014 was passed by Congress in December 2014 and the provisions under this act are to be applied retroactively to January 1, 2014. Interest and penalties included in these amounts was a decrease to tax expense of $46,000.

The effective tax rate for 2013 included the impact of the following discrete events: (1) a decrease in tax expense of $1,790,000 from the expiration of the statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $267,000 from the final true-up of the prior year’s tax accrual upon filing the actual tax returns, and (3) a decrease in tax expense of $555,000 from the retroactive application of the 2012 research and development credit. The American Taxpayer Relief Act of 2012 was passed by Congress and signed into law on January 1, 2013 and the provisions under this act are to be applied retroactively to January 1, 2012. As a result of the law being signed on January 1, 2013, the financial impact of the retroactive provision was recorded as a discrete event in the first quarter of 2013. Interest and penalties included in these amounts was a decrease to tax expense of $854,000.

The effective tax rate for 2012 included the impact of the following discrete events: (1) a decrease in tax expense of $441,000 from the expiration of the statutes of limitations for certain reserves for income tax uncertainties, (2) an increase in tax expense of $101,000 from the write-down of a noncurrent deferred tax asset based upon a change in the tax rate in Japan, and (3) an increase in tax expense of $84,000 from the final true-up of the prior year's tax accrual upon filing the actual tax returns. Interest and penalties included in these amounts was a decrease to tax expense of $58,000.

The changes in the reserve for income taxes, excluding gross interest and penalties, were as follows (in thousands):

Balance of reserve for income taxes as of December 31, 2012	$	4,024
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in prior periods	438
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,048
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	—
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(1,102		)
Balance of reserve for income taxes as of December 31, 2013	4,408
Gross amounts of decreases in unrecognized tax benefits as a result of tax positions taken in prior periods	(226		)
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	1,095
Gross amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(15		)
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(135		)
Balance of reserve for income taxes as of December 31, 2014	$	5,127

In the first quarter of 2014, management adopted Accounting Standards Update (ASU) 2013-11, "Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." This ASU requires companies to present an unrecognized tax benefit, or a portion thereof, as a reduction to a deferred tax asset for a net operating loss (NOL) carryforward or a similar tax loss or tax credit carryforward. In the first quarter of 2014, the Company reclassified a reserve for income taxes of $1,028,000 as a reduction to noncurrent deferred tax assets in compliance with this new guidance. Retroactive application was not required under this ASU, and therefore, prior periods were not restated.

The Company’s reserve for income taxes, including gross interest and penalties, was $5,651,000 as of December 31, 2014, which included $4,623,000 classified as a noncurrent liability and $1,028,000 recorded as a reduction to noncurrent deferred tax assets. The reserve for income taxes, including gross interest and penalties, was $4,765,000, as of December 31, 2013, all of which was classified as a noncurrent liability. The amount of gross interest and penalties included in these balances was $524,000 and $357,000 as of December 31, 2014 and December 31, 2013, respectively. If the Company’s tax positions were sustained or the statutes of limitations related to certain positions expired, these reserves would be released and income tax expense would be reduced in a future period. As a result of the expiration of certain statutes of limitations, there is a potential that a portion of these reserves could be released, which would decrease income tax expense by approximately $900,000 to $1,000,000 over the next twelve months.

The Company has defined its major tax jurisdictions as the United States, Ireland, China, and Japan, and within the United States, Massachusetts and California. Within the United States, the tax years 2012 through 2013 remain open to examination by the Internal Revenue Service, while the tax years 2011 through 2013 remain open to various state taxing authorities, and the tax years 2010 through 2013 remain open to examination by various taxing authorities in other jurisdictions in which the Company operates.

In 2010, the Company concluded its Competent Authority tax case with Japan. A settlement was finalized between Japan and Ireland as a transfer price adjustment and no finding of a permanent establishment against the Company in Japan was noted. This Competent Authority agreement closed the Company’s tax years 2002 through 2005 to future examination in Japan. In 2011, the Company finalized an Advanced Pricing Agreement (APA) with Japan that will cover tax years 2006 through 2011, with a requested extension to 2012. The Company is currently in negotiations for an APA between Japan and Ireland that will cover tax years 2014 through 2018 with retroactive application to 2013. The Company believes it is adequately reserved for these open years.

Deferred tax assets consisted of the following (in thousands):

	December 31,
	2014			2013
Current deferred tax assets:
Inventory and revenue related	$	4,911		$	5,614
Bonuses, commissions, and other compensation	2,280			1,377
Other	1,794			1,292
Gross current deferred tax assets	8,985			8,283
Valuation allowance	—			(672		)
Net current deferred tax assets	$	8,985		$	7,611
Noncurrent deferred tax assets:
Stock-based compensation expense	$	10,290		$	7,488
Federal and state tax credit carryforwards	4,547			5,418
Depreciation	1,945			1,831
Acquired completed technologies and other intangible assets	450			835
Unrealized investment gains and losses	355			601
Correlative tax relief and deferred interest related to reserves	342			252
Other	1,436			1,178
Gross noncurrent deferred tax assets	19,365			17,603
Noncurrent deferred tax liabilities:
Nondeductible intangible assets	(2,430		)	(3,662		)
Other	—			(548		)
Gross noncurrent deferred tax liabilities	(2,430		)	(4,210		)
Valuation allowance	(2,483		)	(1,086		)
Net noncurrent deferred tax assets	$	14,452		$	12,307

In 2014, the Company recorded a valuation allowance of $725,000 for state research and development tax credits that were not considered to be realizable. Should these credits be utilized in a future period, the reserve associated with these credits would be reversed in the period when it is determined that the credits can be utilized to offset future state income tax liabilities. In addition, the Company had $5,575,000 of state research and development tax credit carryforwards, net of federal tax, as of December 31, 2014, which will begin to expire in 2016.

If certain of the Company’s tax liabilities were paid, the Company would receive correlative tax relief in other jurisdictions. Accordingly, the Company has recognized a deferred tax asset in the amount of $342,000 as of December 31, 2014, which represents this correlative tax relief and deferred interest.

The Company recorded certain intangible assets as a result of the acquisition of DVT Corporation in 2005. The amortization of these intangible assets is not deductible for U.S. tax purposes. A deferred tax liability was established to reflect the federal and state liability associated with not deducting the acquisition-related amortization expenses. The balance of this liability was $2,430,000 as of December 31, 2014.

While the deferred tax assets, net of valuation allowance, are not assured of realization, management has evaluated the realizability of these deferred tax assets and has determined that it is more likely than not that these assets will be realized. In reaching this conclusion, we have evaluated certain relevant criteria including the Company’s historical profitability, current projections of future profitability, and the lives of tax credits, net operating losses, and other carryforwards. Should the Company fail to generate sufficient pretax profits in future periods, we may be required to establish valuation allowances against these deferred tax assets, resulting in a charge to income in the period of determination.

The Company does not provide U.S. income taxes on its foreign subsidiaries’ undistributed earnings, as they are deemed to be permanently reinvested outside the United States. Non-U.S. income taxes are, however, provided on those foreign subsidiaries’ undistributed earnings. Upon repatriation, the Company would provide the appropriate U.S. income taxes on these earnings, net of applicable foreign tax credits. It is not practicable to determine the income tax liability that might be incurred if the earnings were to be distributed.

The Company recorded $354,000 and $141,000 of other income in 2013 and 2012, respectively, upon the expiration of the statutes of limitations relating to tax holidays, during which time the Company collected value-added taxes from customers that were not required to be remitted to the government authority.

Cash paid for income taxes totaled $17,549,000 in 2014, $8,831,000 in 2013, and $13,551,000 in 2012.

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Derivative Instruments Derivative Instruments- Assets and liabilities presented on a net basis due to the right of setuoff (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Asset, Fair Value, Gross Asset	$ 188	$ 210
Derivative Asset gross amount offset	(74)	0
Net amount of assets presented	114	210
Derivative Liability, Fair Value, Gross Liability	149	122
Derivative liability gross amount offset	(52)	0
Net amount of liabilities presented	$ 97	$ 122

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Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Constituents of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2014		2013
Company bonuses	$	9,294	$	6,880
Salaries, commissions, and payroll taxes	5,802		6,111
Vacation	5,076		4,598
Warranty obligations	4,494		3,016
Foreign retirement obligations	3,626		3,726
Japanese consumption taxes	2,286		1,372
Other	9,371		8,628
	$	39,949	$	34,331

Changes in Warranty Obligations

The changes in the warranty obligation were as follows (in thousands):

Balance as of December 31, 2012	$	2,256
Provisions for warranties issued during the period	2,770
Fulfillment of warranty obligations	(2,114		)
Foreign exchange rate changes	104
Balance as of December 31, 2013	3,016
Provisions for warranties issued during the period	5,250
Fulfillment of warranty obligations	(3,354		)
Foreign exchange rate changes	(418		)
Balance as of December 31, 2014	$	4,494

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Commitments

As of December 31, 2014, the Company had outstanding purchase orders totaling $4,748,000 to purchase inventory from various vendors. Certain of these purchase orders may be canceled by the Company, subject to cancellation penalties. These purchase commitments relate to expected sales in 2015.

The Company conducts certain of its operations in leased facilities. These lease agreements expire at various dates through 2023 and are accounted for as operating leases. Certain of these leases contain renewal options, retirement obligations, escalation clauses, rent holidays, and leasehold improvement incentives. Annual rental expense totaled $6,021,000 in 2014, $5,772,000 in 2013, and $5,806,000 in 2012. Future minimum rental payments under these agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	5,315
2016	3,309
2017	2,050
2018	1,490
2019	1,416
Thereafter	2,217
	$	15,797

The Company owns buildings adjacent to its corporate headquarters that are currently occupied with tenants who have lease agreements that expire at various dates through 2021. Annual rental income totaled $1,794,000 in 2014, $676,000 in 2013, and $854,000 in 2012. Rental income and related expenses are included in “Other income (expense)” on the Consolidated Statements of Operations. Future minimum rental receipts under non-cancelable lease agreements are as follows (in thousands):

Year Ending December 31,	Amount
2015	$	1,678
2016	1,675
2017	1,415
2018	1,009
2019	1,035
Thereafter	1,417
	$	8,229

Contingencies

In May 2008, the Company filed a complaint against MvTec Software GmbH, MvTec LLC, and Fuji America Corporation in the United States District Court for the District of Massachusetts alleging infringement of certain patents owned by the Company. In May 2014, the parties mutually agreed to dismiss this action with prejudice. This matter is now closed.

In May 2009, the Company pre-filed a complaint with the United States International Trade Commission (ITC) pursuant to Section 337 of the Tariff Act of 1930, as amended, 19 U.S.C. §1337, against MvTec Software GmbH, MvTec LLC, Fuji America, and several other respondents alleging unfair methods of competition and unfair acts in the unlawful importation into the United States, sale for importation, or sale within the United States after importation. By this filing, the Company requested the ITC to investigate the Company’s contention that certain machine vision software, machine vision systems, and products containing the same infringe, and respondents directly infringe and/or actively induce and/or contribute to the infringement in the United States, of one or more of the Company’s U.S. patents. In September 2009, the Company reached a settlement with two of the respondents, and in December 2009, the Company reached a settlement with five additional respondents. In March 2010, the Company reached a settlement with respondent Fuji Machine Manufacturing Co., Ltd. and its subsidiary Fuji America Corporation. These settlements did not have a material impact on the Company’s financial results. An ITC hearing was held in May 2010. In July 2010, the Administrative Law Judge issued an initial determination finding two of the Company’s patents invalid and that respondents did not infringe the patents-at-issue. In September 2010, the ITC issued a notice that it would review the initial determination of the Administrative Law Judge. The ITC issued its Final Determination in November 2010 in which it determined to modify-in-part and affirm-in-part the Administrative Law Judge’s determination, and terminate the investigation with a finding of no violation of Section 337 of the Tariff Act of 1930 (as amended 19 U.S.C. §1337). The Company filed an appeal of the decision with the United States Court of Appeals for the Federal Circuit. An oral hearing before the United States Court of Appeals occurred in February 2012. In December 2013, the Federal Circuit affirmed the ITC’s finding of non-infringement, and therefore did not also need to address the ITC’s finding regarding validity. This matter is now closed.

In March 2013, the Company filed a lawsuit against Microscan Systems, Inc. (“Microscan”) and Code Corporation in the United States District Court for the Southern District of New York alleging that Microscan’s Mobile Hawk handheld imager infringes U.S. Patent 7,874,487 owned by the Company (the “'487 patent”). The lawsuit sought to prohibit Code Corporation from manufacturing the product, and Microscan from selling and distributing the product. The Company also sought monetary damages resulting from the alleged infringement. Late in the day on April 30, 2014, the jury found that Microscan willfully infringed the ‘487 patent and awarded Cognex $2.6 million in damages. Following the verdict, Microscan filed motions requesting judgment as a matter of law on the issues of infringement, invalidity, and willfulness, as well as a motion to dismiss for lack of standing. The Company filed motions seeking treble damages (based on the finding of willfulness), attorneys’ fees as an exceptional case, and a permanent injunction against future infringement of the ‘487 patent and the import, manufacture and/or sale of Microscan’s Mobile Hawk product within the U.S. In June 2014, the court issued an order denying all of Microscan’s motions and the Company’s motion for treble damages, while granting the Company’s motion for permanent injunction (limited to enjoining future infringement of the ‘487 patent and the import, manufacture and/or sale of infringingversionsofMicroscan’s Mobile Hawk product within the U.S.) and the Company’s motion for attorneys’ fees, in part, pending a determination thereof following submission of supplemental briefs by both parties. In July 2014, Microscan filed a Notice of Appeal with the Federal Circuit appealing all orders, findings, and/or conclusions of the District Court that were adverse to Microscan. In August 2014, the Company filed a Notice of Appeal with the Federal Circuit appealing the order granting summary judgment that claims 23, 28, and 29 of the ’487 patent are invalid. Also in August 2014, the Federal Circuit consolidated Microscan’s appeal and the Company’s appeal. In November 2014, the Company filed an unopposed motion to dismiss the Company's appeal, and in December 2014, the Court of Appeals granted the Company's motion to dismiss the Company's appeal. In January 2015, Microscan submitted their appeal brief asserting that the damage award should be vacated, the infringement judgment should be reversed, and that the remaining '487 claims are invalid.

In August 2014, Microscan filed a lawsuit against the Company in the United States District Court for the Southern District of New York alleging that the Company’s DataMan^® 8500 handheld imager infringes U.S. Patent 6,352,204 (the “'204 patent”). The lawsuit sought to prohibit the Company from manufacturing, selling, and distributing the DataMan^® 8500 product. Microscan also sought monetary damages resulting from the alleged infringement. In September 2014, the Company filed an Answer to the Complaint denying all allegations and asserting in a counterclaim that the ’204 patent is invalid. In October 2014, the Company filed an Amended Answer further explaining its counterclaim of invalidity. Also in October 2014, Microscan filed an Amended Complaint alleging that the Company’s DataMan^® 7500 and DataMan^® 8600 also infringe the ’204 patent. The Company subsequently responded in October 2014 with its Answer to the Amended Complaint. In December 2014, a Markman hearing regarding the legal construction of the relevant patent claim terms was held. In January 2015, the Court issued an order construing such patent claim terms, as the case continues to proceed. In early February 2015, the Company submitted summary judgment motions. Trial is scheduled to begin in April 2015. This matter is ongoing.

The Company cannot predict the outcome of the above-referenced pending matter and an adverse resolution of this lawsuit could have a material adverse effect on the Company’s financial position, liquidity, results of operations, and/or indemnification obligations. In addition, various other claims and legal proceedings generally incidental to the normal course of business are pending or threatened on behalf of or against the Company. While we cannot predict the outcome of these incidental matters, we believe that any liability arising from them will not have a material adverse effect on our financial position, liquidity, or results of operations.