10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2011

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 1-12981

AMETEK, Inc.

(Exact name of registrant as specified in its charter)

Delaware	14-1682544
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1100 Cassatt Road P.O. Box 1764 Berwyn, Pennsylvania	19312-1177 (Zip Code)
(Address of principal executive offices)

Registrant’s telephone number, including area code: (610) 647-2121

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

Title of each class	Name of each exchange on which registered
Common Stock, $0.01 Par Value (voting)	New York Stock Exchange

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

None

(Title of Class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  þ        No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.    Yes  ¨        No  þ

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  þ        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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  þ        No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of 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.    ¨

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.

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ¨        No  þ

The aggregate market value of the voting stock held by non-affiliates of the registrant was approximately $7.2 billion as of June 30, 2011, the last business day of the registrant’s most recently completed second fiscal quarter.

The number of shares of the registrant’s Common Stock outstanding as of January 31, 2012 was 160,491,092.

Documents Incorporated by Reference

Part III incorporates information by reference from the Proxy Statement for the Annual Meeting of Stockholders on May 1, 2012.

AMETEK, Inc.

2011 Form 10-K Annual Report

Table of Contents

		Page
PART I
Item 1.	Business		2
Item 1A.	Risk Factors		11
Item 1B.	Unresolved Staff Comments		15
Item 2.	Properties		16
Item 3.	Legal Proceedings		16
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities		17
Item 6.	Selected Financial Data		20
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		22
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk		36
Item 8.	Financial Statements and Supplementary Data		37
Item 9.	Changes in and Disagreements With Accountants on Accounting and Financial Disclosure		81
Item 9A.	Controls and Procedures		81
Item 9B.	Other Information		81
PART III
Item 10.	Directors, Executive Officers and Corporate Governance		81
Item 11.	Executive Compensation		82
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters		82
Item 13.	Certain Relationships and Related Transactions, and Director Independence		82
Item 14.	Principal Accounting Fees and Services		82
PART IV
Item 15.	Exhibits and Financial Statement Schedules		83
SIGNATURES			84
Index to Exhibits			85

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PART I

Item 1. Business

General Development of Business

AMETEK, Inc. (“AMETEK” or the “Company”) is incorporated in Delaware. Its predecessor was originally incorporated in Delaware in 1930 under the name American Machine and Metals, Inc. The Company maintains its principal executive offices in suburban Philadelphia, Pennsylvania at 1100 Cassatt Road, Berwyn, Pennsylvania, 19312. AMETEK is a leading global manufacturer of electronic instruments and electromechanical devices with operations in North America, Europe, Asia and South America. The Company is listed on the New York Stock Exchange (symbol: AME). The common stock of AMETEK is a component of the S&P MidCap 400 and the Russell 1000 Indices.

Website Access to Information

The Company’s annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and all amendments to those reports filed or furnished pursuant to Section 13(a) of the Securities Exchange Act of 1934 are made available free of charge on the Company’s website at www.ametek.com (in the “Investors — Financial News and Information” section), as soon as reasonably practicable after such material is electronically filed with, or furnished to, the Securities and Exchange Commission. The Company has posted, free of charge, to the investor information portion of its website, its corporate governance guidelines, Board committee charters and codes of ethics. Such documents are also available in published form, free of charge, to any stockholder who requests them by writing to the Investor Relations Department at AMETEK, Inc., 1100 Cassatt Road, Berwyn, Pennsylvania, 19312.

Products and Services

The Company markets its products worldwide through two operating groups, the Electronic Instruments Group (“EIG”) and the Electromechanical Group (“EMG”). EIG builds monitoring, testing, calibration and display devices for the process, aerospace, industrial, power and medical markets. EMG produces highly engineered electromechanical connectors for hermetic (moisture-proof) applications, specialty metals for niche markets and brushless air-moving motors, blowers and heat exchangers. End markets include aerospace, defense, mass transit, medical, office products and other industrial markets. The Company continues to grow through strategic acquisitions focused on differentiated niche markets in instrumentation and electromechanical devices.

Competitive Strengths

Management believes that the Company has several significant competitive advantages that assist it in sustaining and enhancing its market positions. Its principal strengths include:

Significant Market Share.    AMETEK maintains a significant share in many of its targeted niche markets because of its ability to produce and deliver high-quality products at competitive prices. In EIG, the Company maintains significant market positions in many niche segments within the process, aerospace, industrial and power instrumentation markets. In EMG, the Company maintains significant market positions in many niche segments including aerospace, defense, mass transit, medical, office products and air-moving motors for the floorcare market.

Technological and Development Capabilities.    AMETEK believes it has certain technological advantages over its competitors that allow it to develop innovative products and maintain leading market positions. Historically, the Company has grown by extending its technical expertise into the manufacture of customized products for its customers, as well as through strategic acquisitions. EIG competes primarily on

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the basis of product innovation in several highly specialized instrumentation markets, including process measurement, aerospace, power, heavy-vehicle dashboard and medical instrumentation. EMG’s differentiated businesses focus on developing customized products for specialized applications in aerospace and defense, medical, business machines and other industrial applications. In its floorcare and specialty motor business, EMG focuses on low-cost design and manufacturing, while enhancing motor-blower performance through advances in power, efficiency, lighter weight and quieter operation.

Efficient and Low-Cost Manufacturing Operations.    EMG has motor manufacturing plants in China, the Czech Republic, Mexico and Brazil to lower its costs and achieve strategic proximity to its customers, providing the opportunity to increase international sales and market share. Certain of the Company’s electronic instrument businesses have relocated manufacturing operations to low-cost locales. Furthermore, strategic acquisitions and joint ventures in Europe, North America and Asia have resulted in additional cost savings and synergies through the consolidation of operations, product lines and distribution channels, which benefits both operating groups.

Experienced Management Team.    Another key component of AMETEK’s success is the strength of its management team and its commitment to the performance of the Company. AMETEK’s senior management has extensive experience, averaging approximately 26 years with the Company, and is financially committed to the Company’s success through Company-established stock ownership guidelines and equity incentive programs.

Business Strategy

AMETEK’s objectives are to increase the Company’s earnings and financial returns through a combination of operational and financial strategies. Those operational strategies include Operational Excellence, New Product Development, Global and Market Expansion and Strategic Acquisitions and Alliances programs designed to achieve double-digit annual percentage growth in earnings per share over the business cycle and a superior return on total capital. To support those operational objectives, financial initiatives have been, or may be, undertaken, including public and private debt or equity issuance, bank debt refinancing, local financing in certain foreign countries and share repurchases. AMETEK’s commitment to earnings growth is reflected in its continued implementation of cost-reduction programs designed to achieve the Company’s long-term best-cost objectives.

AMETEK’s Corporate Growth Plan consists of four key strategies:

Operational Excellence.    Operational Excellence is AMETEK’s cornerstone strategy for improving profit margins and strengthening the Company’s competitive position across its businesses. Through its Operational Excellence strategy, the Company seeks to reduce production costs and improve its market positions. The strategy has played a key role in achieving synergies from newly acquired companies. AMETEK believes that Operational Excellence, which focuses on Six Sigma process improvements, global sourcing and lean manufacturing and also emphasizes team building and a participative management culture, has enabled the Company to improve operating efficiencies and product quality, increase customer satisfaction and yield higher cash flow from operations, while lowering operating and administrative costs and shortening manufacturing cycle times.

New Product Development.    New products are essential to AMETEK’s long-term growth. As a result, AMETEK has consistently maintained its investment in new product development, and, in 2011, added to its highly differentiated product portfolio with a range of new products across each of its businesses. Its most recent product introductions include:

• CAMECA EX-300 metrology tool that utilizes a unique surface profiling technique developed specifically for advanced semiconductor fabrication;

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• Pittman^® high-performance slotless, brushless DC motors in autoclavable versions for medical instruments, dental drills and other compact medical devices;

• SPECTROBLUE™ high-performance spectrometer with a robust design and simplified operation for high-accuracy analysis of metals and other materials;

• GEMCO^® 955 eBrik linear displacement transducer for accurate and reliable position sensing for a wide range of factory automation applications;

• Talyrond 500 multi-functional metrology tool for roundness, roughness and surface finish analysis used in ultraprecision machining applications;

• Eclipse II™ high-frequency industrial battery charging system that provides high-efficiency battery charging of fork lifts and other electric vehicles;

• MINIFLASH™ Touch flash point tester that provides fast screening of diesel, other fuels and flammable liquids utilizing a user friendly touch-screen design;

• Haydon Kerk^® SRA04 Motorized ScrewRail linear actuator that combines a precision rolled lead screw with a compact stepper motor for a range of precision motion control applications;

• Chatillon^® digital force gauges that include a full-color display and Bluetooth connectivity for a host of automotive, biomedical, general manufacturing, military and pharmaceutical applications;

• Arc Series robust thermal imaging cameras that provide accurate high-temperature thermal profiles for highly demanding industrial applications;

• C110 Grade Pfinodal alloys made with proprietary powder metal technology and patented forging techniques for demanding industrial applications such as oil and gas exploration and production; and

• Lloyd Instruments™ LS1 advanced materials tester used to determine the performance characteristics of plastics, packaging, medical devices, automotive electronics, textiles, rubber and pharmaceuticals among others.

Global and Market Expansion.    AMETEK’s largest presence outside the United States is in Europe, where it has operations in the United Kingdom, Germany, Denmark, Italy, the Czech Republic, Romania, France, Austria, Switzerland and the Netherlands. These operations provide design, engineering and manufacturing capability, product-line breadth, enhanced European distribution channels and low-cost production. AMETEK has a leading market position in European floorcare motors and a significant presence in many of its instrument businesses. It has grown sales in Latin America and Asia by building and expanding low-cost electric motor and instrument plants in Reynosa, Mexico and motor manufacturing plants near Sao Paulo, Brazil and in Shanghai, China. It also continues to achieve geographic expansion and market expansion in Asia through joint ventures in China, Taiwan and Japan and a direct sales and marketing presence in Singapore, Japan, China, Taiwan, Hong Kong, South Korea, India, the Middle East and Russia.

Strategic Acquisitions and Alliances.    The Company continues to pursue strategic acquisitions, both domestically and internationally, to expand and strengthen its product lines, improve its market share positions and increase earnings through sales growth and operational efficiencies at the acquired businesses. Since the beginning of 2007, through December 31, 2011, the Company has completed 27 acquisitions with annualized sales totaling approximately $1 billion, including five acquisitions in 2011 (see “Recent Acquisitions”). Through these and prior acquisitions, the Company’s management team has gained

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considerable experience in successfully acquiring and integrating new businesses. The Company intends to continue to pursue this acquisition strategy.

2011 OVERVIEW

Operating Performance

In 2011, AMETEK achieved sales of $3.0 billion, an increase of 21% from 2010 and established records for net sales, operating income, operating income margins, net income, diluted earnings per share and operating cash flow. The Company achieved these results from strong internal growth in each of the Company’s two reportable segments, as well as contributions from recent acquisitions.

Financing

In September 2011, AMETEK completed a new five-year revolving credit facility with a total borrowing capacity of $700 million, which excludes an accordion feature that permits the Company to request up to an additional $200 million in revolving credit commitments at any time during the life of the revolving credit agreement under certain conditions. The new revolving credit facility replaced a $450 million total borrowing capacity revolving credit facility, which excluded a $100 million accordion feature, that was due to expire in June 2012. The new revolving credit facility provides the Company with additional financial flexibility to support its growth plans, including its successful acquisition strategy.

In the fourth quarter of 2011, the Company issued a 55 million Swiss franc ($59.0 million) 2.44% senior note due December 2021.

Recent Acquisitions

The Company spent $474.9 million in cash, net of cash acquired, for five business acquisitions in 2011.

In April 2011, the Company acquired Avicenna Technology, Inc. (“Avicenna”), a supplier of custom, fine-featured components used in the medical device industry. Avicenna is part of EMG.

In May 2011, the Company acquired Coining Holding Company (“Coining”), a leading supplier of custom-shaped metal preforms, microstampings and bonding wire solutions for interconnect applications in microelectronics packaging and assembly. Coining is part of EMG.

In October 2011, the Company acquired Reichert Technologies, a manufacturer of analytical instruments and diagnostic devices for the eye care market. Reichert Technologies is part of EIG.

In October 2011, the Company acquired EM Test (Switzerland) GmbH, a manufacturer of advanced monitoring, testing, calibrating and display instruments in the electrical immunity testing and emissions measurement market. EM Test is part of EIG.

In December 2011, the Company acquired Technical Manufacturing Corporation (“TMC”), a world leader in high-performance vibration isolation systems and optical test benches used to isolate highly sensitive instruments for the microelectronics, life sciences, photonics and ultra-precision manufacturing industries. TMC is part of EIG.

Financial Information About Reportable Segments, Foreign Operations and Export Sales

Information with respect to reportable segments and geographic areas is set forth in Note 16 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

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The Company’s international sales increased 24% to $1,501.1 million in 2011. The increase in international sales resulted from overall higher sales growth, driven by continued strong expansion into Asia, as well as growth in Europe, and includes the effect of foreign currency translation. The Company experienced increases in export sales of products manufactured in the United States, as well as increased sales from overseas operations. International sales represented 50.2% of consolidated net sales in 2011 compared with 49.0% in 2010.

Description of Business

The products and markets of each reportable segment are described below:

EIG

EIG is comprised of a group of differentiated businesses. EIG applies its specialized market focus and technology to manufacture instruments used for testing, monitoring, calibration and display for the process, aerospace, industrial and power markets. EIG’s growth is based on the four strategies outlined in AMETEK’s Corporate Growth Plan. EIG designs products that, in many instances, are significantly different from, or technologically better than, competing products. It has reduced costs by implementing operational improvements, achieving acquisition synergies, improving supply chain management, moving production to low-cost locales and reducing headcount. EIG is among the leaders in many of the specialized markets it serves, including aerospace engine sensors, heavy-vehicle instrument panels, analytical instrumentation, level measurement products, power instruments and pressure gauges. It has joint venture operations in China, Taiwan and Japan. EIG’s 2011 net sales to customers outside the United States were 56%.

At December 31, 2011, EIG employed approximately 6,100 people, of whom approximately 800 were covered by collective bargaining agreements. EIG had 56 operating facilities: 35 in the United States, seven in the United Kingdom, five in Germany, three in France, two in Switzerland and one each in Argentina, Austria, Canada and Denmark at December 31, 2011. EIG also shares operating facilities with EMG in China and Mexico.

Process and Analytical Instrumentation Markets and Products

Process and analytical measurement and analysis instruments represented 66% of EIG’s 2011 net sales. These include: oxygen, moisture, combustion and liquid analyzers; emission monitors; spectrometers; mechanical and electronic pressure sensors and transmitters; radiation measurement devices; level measurement devices; precision pumping systems; and force-measurement and materials testing instrumentation. EIG’s focus is on the process industries, including oil, gas and petrochemical refining, power generation, specialty gas production, water and waste treatment, natural gas distribution and semiconductor manufacturing. AMETEK’s analytical instruments are also used for precision measurement in a number of other applications including radiation detection for the U.S. Department of Homeland Security, materials analysis, nanotechnology research and other test and measurement applications.

TMC, acquired in December 2011, serves the leading manufacturers of life sciences, photonics and semiconductor equipment with a broad range of custom active piezoelectric vibration cancellation systems, based on their patented active piezo technology. TMC also supplies passive vibration cancellation systems, optical test tables, acoustic isolation hoods and magnetic isolation hoods. TMC is an excellent fit with the Company’s high-end analytical instruments businesses and further broadens AMETEK’s product offerings and expertise in ultra precision manufacturing.

Reichert Technologies, acquired in October 2011, is a leader and innovator in high-technology instruments used by ophthalmologists, optometrists, and opticians for vision correction and the screening and diagnosis of eye diseases such as glaucoma and macular degeneration. Reichert Technologies expands AMETEK’s business in the medical market.

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Atlas Material Testing Technology LLC (“Atlas”), acquired in November 2010, has products which include weather exposure test systems, corrosion-testing instruments, specialty lighting systems, and large-scale weathering test chambers. In addition, Atlas offers indoor laboratory and outdoor testing services, photovoltaic and solar testing and consulting. Atlas provides the Company with another growth platform in the materials testing equipment market and broadens AMETEK’s presence in the fast-growing photovoltaic testing market.

Power and Industrial Instrumentation Markets and Products

Power and industrial instrumentation markets represented 24% of EIG’s 2011 net sales.

AMETEK’s power businesses provide analytical instruments, uninterruptible power supply systems and programmable power supplies used in a wide variety of industrial settings.

EIG is a leader in the design and manufacture of power measurement and recording instrumentation used by the electric power and manufacturing industries. Those products include power transducers and meters, event and transient recorders, annunciators and alarm monitoring systems used to measure, monitor and record variables in the transmission and distribution of electric power.

EIG’s Solidstate Controls business designs and manufactures uninterruptible power supply systems for the process and power generation industries. EIG also manufactures sensor systems for land-based gas turbines and for boilers and burners used by the utility, petrochemical, process and marine industries worldwide.

EIG’s programmable power business is a leader in programmable AC and DC power sources and pursues growth opportunities in the highly attractive electronic test and measurement equipment market.

EM Test, acquired in October 2011, is a global leader in equipment used to perform electrical immunity and electromagnetic compatibility testing. EM Test manufactures a full line of conducted electromagnetic compatibility test equipment, including electrical fast transient generators, electrostatic discharge simulators, surge generators, waveform simulators and multifunctional generators. Its products are used in test applications by a wide range of industries to ensure that electronic and electrical products are not susceptible to external electromagnetic disturbances and do not generate electromagnetic disturbances that might affect other products or instruments.

Aerospace Instrumentation Markets and Products

Aerospace products represented 10% of EIG’s 2011 net sales. AMETEK’s aerospace products are designed to customer specifications and are manufactured to stringent operational and reliability requirements. Its aerospace business operates in specialized markets, where its products have a technological and/or cost advantage. Acquisitions have complemented and expanded EIG’s core sensor and transducer product line, used in a wide range of aerospace applications.

Aerospace products include: airborne data systems; turbine engine temperature measurement products; vibration-monitoring systems; indicators; displays; fuel and fluid measurement products; sensors; switches; cable harnesses; and transducers. EIG serves all segments of commercial aerospace, including helicopters, business jets, commuter aircraft and commercial airliners, as well as the military market.

Among its more significant competitive advantages are EIG’s 50-plus years of experience as an aerospace supplier and its long-standing customer relationships with global commercial aircraft Original Equipment Manufacturers (“OEMs”). Its customers are the leading producers of airframes and jet engines and other aerospace system integrators. It also serves the commercial aerospace aftermarket with spare part sales and repair and overhaul services.

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Customers

EIG is not dependent on any single customer such that the loss of that customer would have a material adverse effect on EIG’s operations. Approximately 9% of EIG’s 2011 net sales were made to its five largest customers.

EMG

EMG is among the leaders in many of the specialized markets it serves, including highly engineered motors, blowers, fans, heat exchangers, connectors, and other electromechanical products or systems for commercial and military aerospace applications, defense, medical equipment, business machines, computers and other power or industrial applications. In its floorcare and specialty motor business, the Company believes it is an industry leader in the development and production of high-speed, air-moving electric motors for OEMs of floorcare products and other specialty applications. EMG designs products that, in many instances, are significantly different from, or technologically better than, competing products. It has reduced costs by implementing operational improvements, achieving acquisition synergies, improving supply chain management, moving production to low-cost locales and reducing headcount. EMG’s 2011 net sales to customers outside the United States were 43%.

At December 31, 2011, EMG employed approximately 5,900 people, of whom approximately 1,300 were covered by collective bargaining agreements (including some that are covered by local unions). EMG had 58 operating facilities: 34 in the United States, nine in the United Kingdom, three in France, two each in China, Czech Republic, Italy and Mexico and one each in Brazil, Malaysia, Morocco and Taiwan at December 31, 2011.

Differentiated Businesses

Differentiated businesses account for an increasing proportion of EMG’s overall sales base. Differentiated businesses represented 82% of EMG’s net sales in 2011 and are comprised of the technical motors and systems businesses and the engineered materials, interconnects and packaging businesses.

Technical Motors and Systems Markets and Products

Technical motors and systems, representing 45% of EMG’s 2011 net sales, consist of brushless motors, blowers and pumps, as well as other electromechanical systems. These products are used in aerospace and defense, business machines, computer equipment, mass transit vehicles, medical equipment, power, and industrial applications.

EMG produces electronically commutated (brushless) motors, blowers and pumps that offer long life, reliability and near maintenance-free operation. These motor-blower systems and heat exchangers are used for thermal management and other applications on a wide variety of military and commercial aircraft and military ground vehicles, and are used increasingly in medical and other applications, in which their long life, and spark-free and reliable operation is very important. These motors provide cooling and ventilation for business machines, computers and mass transit vehicles.

Haydon Enterprises, acquired in July 2010, complements the Company’s highly differentiated technical motor business, which shares common markets, customers and distribution channels, and places AMETEK in a unique position as the premier industry provider of high-end linear and rotary motion control solutions.

EMG also serves the commercial and military aerospace third-party maintenance, repair and overhaul (“MRO”) market. These services are provided on a global basis with facilities in the United States, Europe and Singapore.

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Engineered Materials, Interconnects and Packaging Markets and Products

Engineered materials, interconnects and packaging products represented 37% of EMG’s 2011 net sales. AMETEK is an innovator and market leader in specialized metal powder, strip, wire and bonded products. It produces stainless steel and nickel clad alloys; stainless steel, cobalt and nickel alloy powders; metal strip; specialty shaped and electronic wire; and advanced metal matrix composites used in electronic thermal management. Its products are used in automotive, appliance, medical and surgical, aerospace, telecommunications, marine and general industrial applications. Its niche market focus is based upon proprietary manufacturing technology and strong customer relationships.

Coining, acquired in May 2011, is a global leader in custom-shaped preforms, microstampings and wire used for joining electronic circuitry, packaging microelectronics and providing thermal protection and electric conductivity for a wide range of electronic devices. Coining’s products are used in highly engineered applications for the RF/microwave, photonics, medical, aerospace and defense, and general electronics industries.

Avicenna, acquired in April 2011, provides the Company with additional expertise in producing fine-featured catheter and other medical components for leads, guide wires and custom medical assemblies. Avicenna complements the Company’s medical device market businesses and is an excellent fit with its Technical Services for Electronics (“TSE”) business.

TSE, acquired in June 2010, expands the Company’s position in the medical device market and is an excellent fit with the HCC Industries division, which manufactures highly engineered electronic interconnects and microelectronics packaging for sophisticated electronic applications.

The combination of Avicenna and TSE positions AMETEK as the only medical interconnects provider with integrated capabilities for the catheter, cardiac and neurostimulation markets.

Floorcare and Specialty Motor Markets and Products

Floorcare and specialty motor markets represented 18% of EMG’s 2011 net sales, where it sells air-moving electric motors to many of the world’s major floorcare OEMs, including vertically integrated OEMs that produce some of their own motors. EMG produces motor-blowers for a full range of floorcare products, ranging from hand-held, canister and upright vacuums to central vacuums for residential use. High-performance vacuum motors also are marketed for commercial and industrial applications.

The Company also manufactures a variety of specialty motors used in a wide range of products, such as household and personal care appliances; fitness equipment; electric materials handling vehicles; and sewing machines. Additionally, its products are used in outdoor power equipment, such as electric chain saws, leaf blowers, string trimmers and power washers.

EMG has been successful in directing a portion of its global floorcare marketing at vertically integrated vacuum cleaner manufacturers, who seek to outsource all or part of their motor production. By purchasing their motors from EMG, these customers are able to realize economic and operational advantages by reducing or discontinuing their own motor production and avoiding the capital investment required to keep their motor manufacturing current with changing technologies and market demands.

Customers

EMG is not dependent on any single customer such that the loss of that customer would have a material adverse effect on EMG’s operations. Approximately 9% of EMG’s 2011 net sales were made to its five largest customers.

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Marketing

The Company’s marketing efforts generally are organized and carried out at the division level. EIG makes significant use of distributors and sales representatives in marketing its products, as well as direct sales in some of its more technically sophisticated products. Within aerospace, its specialized customer base of aircraft and jet engine manufacturers is served primarily by direct sales engineers. Given the technical nature of many of its products, as well as its significant worldwide market share, EMG conducts much of its domestic and international marketing activities through a direct sales force and makes some use of sales representatives and distributors both in the United States and in other countries.

Competition

In general, most of the Company’s markets are highly competitive. The principal elements of competition for the Company’s products are product technology, distribution, quality, service and price.

In the markets served by EIG, the Company believes that it ranks among the leading U.S. producers of certain measuring and control instruments. It also is a leader in the U.S. heavy-vehicle instrumentation and power instrument markets and one of the leading instrument and sensor suppliers to the commercial aviation market. Competition remains strong and can intensify for certain EIG products, especially its pressure gauge and heavy-vehicle instrumentation products. Both of these businesses have several strong competitors. In the process and analytical instruments market, numerous companies in each specialized market compete on the basis of product quality, performance and innovation. The aerospace and power instrument businesses have a number of diversified competitors, which vary depending on the specific market niche.

EMG’s differentiated businesses have competition from a limited number of companies in each of their markets. Competition is generally based on product innovation, performance and price. There also is competition from alternative materials and processes. In its floorcare and specialty motor businesses, EMG has limited domestic competition in the U.S. floorcare market from independent manufacturers. Competition is strong from Asian motor manufacturers that serve both the U.S. and the European floorcare markets. Global vacuum motor production is continually being shifted to Asia where AMETEK has a smaller market position. There is potential competition from vertically integrated manufacturers of floorcare products that produce their own motor-blowers. Many of these manufacturers would also be potential EMG customers if they decided to outsource their motor production.

Backlog and Seasonal Variations of Business

The Company’s backlog of unfilled orders by business segment was as follows at December 31:

	2011		2010		2009
	(In millions)
Electronic Instruments	$	437.5	$	370.2	$	284.3
Electromechanical		473.9		458.6		364.1
Total	$	911.4	$	828.8	$	648.4

The higher backlog at December 31, 2011 was due to higher order levels and the acquired backlog of 2011 acquisitions.

Of the total backlog of unfilled orders at December 31, 2011, approximately 88% is expected to be shipped by December 31, 2012. The Company believes that neither its business as a whole, nor either of its reportable segments, is subject to significant seasonal variations, although certain individual operations experience some seasonal variability.

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Availability of Raw Materials

The Company’s reportable segments obtain raw materials and supplies from a variety of sources and generally from more than one supplier. However, for EMG, certain items, including various base metals and certain steel components, are available only from a limited number of suppliers. The Company believes its sources and supplies of raw materials are adequate for its needs.

Research, Development and Engineering

The Company is committed to research, development and engineering activities that are designed to identify and develop potential new and improved products or enhance existing products. Research, development and engineering costs before customer reimbursement were $137.6 million, $112.1 million and $101.4 million in 2011, 2010 and 2009, respectively. Customer reimbursements in 2011, 2010 and 2009 were $6.1 million, $6.4 million and $5.5 million, respectively. These amounts included net Company-funded research and development expenses of $78.0 million, $56.8 million and $50.5 million in 2011, 2010 and 2009, respectively. All such expenditures were directed toward the development of new products and processes and the improvement of existing products and processes.

Environmental Matters

Information with respect to environmental matters is set forth in the section of Management’s Discussion and Analysis of Financial Condition and Results of Operations entitled “Environmental Matters” and in Note 14 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

Patents, Licenses and Trademarks

The Company owns numerous unexpired U.S. patents and foreign patents, including counterparts of its more important U.S. patents, in the major industrial countries of the world. The Company is a licensor or licensee under patent agreements of various types and its products are marketed under various registered and unregistered U.S. and foreign trademarks and trade names. However, the Company does not consider any single patent or trademark, or any group thereof, essential either to its business as a whole or to either of its business segments. The annual royalties received or paid under license agreements are not significant to either of its reportable segments or to the Company’s overall operations.

Employees

At December 31, 2011, the Company employed approximately 12,200 people in its EMG, EIG and corporate operations, of whom approximately 2,100 employees were covered by collective bargaining agreements. The Company has two collective bargaining agreements that will expire in 2012, which cover less than 100 employees. The Company expects no material adverse effects from the pending labor contract negotiations.

Working Capital Practices

The Company does not have extraordinary working capital requirements in either of its reportable segments. Customers generally are billed at normal trade terms, which may include extended payment provisions. Inventories are closely controlled and maintained at levels related to production cycles and are responsive to the normal delivery requirements of customers.

Item 1A. Risk Factors

You should consider carefully the following risk factors and all other information contained in this Annual Report on Form 10-K and the documents we incorporate by reference in this Annual Report on Form 10-K. Any of the following risks could materially and adversely affect our business, financial condition, results of operations and cash flows.

11

A prolonged downturn in the aerospace and defense, process instrumentation or electric motor markets could adversely affect our business.

Several of the industries in which we operate are cyclical in nature and therefore are affected by factors beyond our control. A prolonged downturn in the aerospace and defense, process instrumentation or electric motor markets could have an adverse effect on our business, financial condition and results of operations.

Our growth strategy includes strategic acquisitions. We may not be able to consummate future acquisitions or successfully integrate recent and future acquisitions.

A portion of our growth has been attributed to acquisitions of strategic businesses. Since the beginning of 2007, through December 31, 2011, we have completed 27 acquisitions. We plan to continue making strategic acquisitions to enhance our global market position and broaden our product offerings. Although we have been successful with our acquisition strategies in the past, our ability to successfully effectuate acquisitions will be dependent upon a number of factors, including:

• Our ability to identify acceptable acquisition candidates;

• The impact of increased competition for acquisitions, which may increase acquisition costs and affect our ability to consummate acquisitions on favorable terms and may result in us assuming a greater portion of the seller’s liabilities;

• Successfully integrating acquired businesses, including integrating the financial, technological and management processes, procedures and controls of the acquired businesses with those of our existing operations;

• Adequate financing for acquisitions being available on terms acceptable to us;

• U.S. and foreign competition laws and regulations affecting our ability to make certain acquisitions;

• Unexpected losses of key employees, customers and suppliers of acquired businesses;

• Mitigating assumed, contingent and unknown liabilities; and

• Challenges in managing the increased scope, geographic diversity and complexity of our operations.

The process of integrating acquired businesses into our existing operations may result in unforeseen operating difficulties and may require additional financial resources and attention from management that would otherwise be available for the ongoing development or expansion of our existing operations. Furthermore, even if successfully integrated, the acquired business may not achieve the results we expected or produce expected benefits in the time frame planned. Failure to continue with our acquisition strategy and the successful integration of acquired businesses could have a material adverse effect on our business, financial condition, results of operations and cash flows.

We may experience unanticipated start-up expenses and production delays in opening new facilities or product line transfers.

Certain of our businesses are relocating or have recently relocated manufacturing operations to low-cost locales. Unanticipated start-up expenses and production delays in opening new facilities or completing product line transfers, as well as possible underutilization of our existing facilities, could result in production inefficiencies, which would adversely affect our business and operations.

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Our substantial international sales and operations are subject to customary risks associated with international operations.

International sales for 2011 and 2010 represented 50.2% and 49.0% of our consolidated net sales, respectively. As a result of our growth strategy, we anticipate that the percentage of sales outside the United States will increase in the future. International operations are subject to the customary risks of operating in an international environment, including:

• Potential imposition of trade or foreign exchange restrictions;

• Overlap of different tax structures;

• Unexpected changes in regulatory requirements;

• Changes in tariffs and trade barriers;

• Fluctuations in foreign currency exchange rates, including changes in the relative value of currencies in the countries where we operate, subjecting us to exchange rate exposures;

• Restrictions on currency repatriation;

• General economic conditions;

• Unstable political situations;

• Nationalization of assets; and

• Compliance with a wide variety of international and U.S. laws and regulatory requirements.

Our international sales and operations may be adversely impacted by compliance with export laws.

We are required to comply with various import, export, export control and economic sanctions laws, which may affect our transactions with certain customers, business partners and other persons, including in certain cases dealings with or between our employees and subsidiaries. In certain circumstances, export control and economic sanctions regulations may prohibit the export of certain products, services and technologies and in other circumstances, we may be required to obtain an export license before exporting a controlled item. In addition, failure to comply with any of these regulations could result in civil and criminal, monetary and non-monetary penalties, disruptions to our business, limitations on our ability to import and export products and services and damage to our reputation.

Any inability to hire, train and retain a sufficient number of skilled officers and other employees could impede our ability to compete successfully.

If we cannot hire, train and retain a sufficient number of qualified employees, we may not be able to effectively integrate acquired businesses and realize anticipated results from those businesses, manage our expanding international operations and otherwise profitably grow our business. Even if we do hire and retain a sufficient number of employees, the expense necessary to attract and motivate these officers and employees may adversely affect our results of operations.

If we are unable to develop new products on a timely basis, it could adversely affect our business and prospects.

We believe that our future success depends, in part, on our ability to develop, on a timely basis, technologically advanced products that meet or exceed appropriate industry standards. Although we believe we have certain

13

technological and other advantages over our competitors, maintaining such advantages will require us to continue investing in research and development and sales and marketing. There can be no assurance that we will have sufficient resources to make such investments, that we will be able to make the technological advances necessary to maintain such competitive advantages or that we can recover major research and development expenses. We are not currently aware of any emerging standards or new products which could render our existing products obsolete, although there can be no assurance that this will not occur or that we will be able to develop and successfully market new products.

A shortage of or price increases in our raw materials could increase our operating costs.

We have multiple sources of supply for our major raw material requirements and we are not dependent on any one supplier; however, certain items, including base metals and certain steel components, are available only from a limited number of suppliers and are subject to commodity market fluctuations. Shortages in raw materials or price increases therefore could affect the prices we charge, our operating costs and our competitive position, which could adversely affect our business, financial condition, results of operations and cash flows.

Certain environmental risks may cause us to be liable for costs associated with hazardous or toxic substance clean-up which may adversely affect our financial condition.

Our businesses, operations and facilities are subject to a number of federal, state, local and foreign environmental and occupational health and safety laws and regulations concerning, among other things, air emissions, discharges to waters and the use, manufacturing, generation, handling, storage, transportation and disposal of hazardous substances and wastes. Environmental risks are inherent in many of our manufacturing operations. Certain laws provide that a current or previous owner or operator of property may be liable for the costs of investigating, removing and remediating hazardous materials at such property, regardless of whether the owner or operator knew of, or was responsible for, the presence of such hazardous materials. In addition, the Comprehensive Environmental Response, Compensation and Liability Act generally imposes joint and several liability for clean-up costs, without regard to fault, on parties contributing hazardous substances to sites designated for clean-up under the Act. We have been named a potentially responsible party at several sites, which are the subject of government-mandated clean-ups. As the result of our ownership and operation of facilities that use, manufacture, store, handle and dispose of various hazardous materials, we may incur substantial costs for investigation, removal, remediation and capital expenditures related to compliance with environmental laws. While it is not possible to precisely quantify the potential financial impact of pending environmental matters, based on our experience to date, we believe that the outcome of these matters is not likely to have a material adverse effect on our financial position or future results of operations. In addition, new laws and regulations, new classification of hazardous materials, stricter enforcement of existing laws and regulations, the discovery of previously unknown contamination or the imposition of new clean-up requirements could require us to incur costs or become the basis for new or increased liabilities that could have a material adverse effect on our business, financial condition and results of operations. There can be no assurance that future environmental liabilities will not occur or that environmental damages due to prior or present practices will not result in future liabilities.

We are subject to numerous governmental regulations, which may be burdensome or lead to significant costs.

Our operations are subject to numerous federal, state, local and foreign governmental laws and regulations. In addition, existing laws and regulations may be revised or reinterpreted and new laws and regulations, including with respect to climate change, may be adopted or become applicable to us or customers for our products. We cannot predict the form any such new laws or regulations will take or the impact any of these laws and regulations will have on our business or operations.

We may be required to defend lawsuits or pay damages in connection with alleged or actual harm caused by our products.

We face an inherent business risk of exposure to product liability claims in the event that the use of our products is alleged to have resulted in harm to others or to property. For example, our operations expose us to

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potential liabilities for personal injury or death as a result of the failure of, for instance, an aircraft component that has been designed, manufactured or serviced by us. We may incur a significant liability if product liability lawsuits against us are successful. While we believe our current general liability and product liability insurance is adequate to protect us from future claims, we cannot assure that coverage will be adequate to cover all claims that may arise. Additionally, we may not be able to maintain insurance coverage in the future at an acceptable cost. Any liability not covered by insurance or for which third-party indemnification is not available could have a material adverse effect on our business, financial condition and results of operations.

We operate in highly competitive industries, which may adversely affect our results of operations or ability to expand our business.

Our markets are highly competitive. We compete, domestically and internationally, with individual producers, as well as with vertically integrated manufacturers, some of which have resources greater than we do. The principal elements of competition for our products are price, product technology, distribution, quality and service. EMG’s competition in specialty metal products stems from alternative materials and processes. In the markets served by EIG, although we believe EIG is a market leader, competition is strong and could intensify. In the pressure gauge, aerospace and heavy-vehicle markets served by EIG, a limited number of companies compete on the basis of product quality, performance and innovation. Our competitors may develop new or improve existing products that are superior to our products or may adapt more readily to new technologies or changing requirements of our customers. There can be no assurance that our business will not be adversely affected by increased competition in the markets in which it operates or that our products will be able to compete successfully with those of our competitors.

Restrictions contained in our revolving credit facility and other debt agreements may limit our ability to incur additional indebtedness.

Our existing revolving credit facility and other debt agreements contain restrictive covenants, including restrictions on our ability to incur indebtedness. These restrictions could limit our ability to effectuate future acquisitions or restrict our financial flexibility.

We are subject to possible insolvency of financial counterparties.

We engage in numerous financial transactions and contracts including insurance policies, letters of credit, credit facilities, financial derivatives and investment management agreements involving various counterparties. We are subject to the risk that one or more of these counterparties may become insolvent and, therefore, be unable to discharge its obligations under such contracts.

Our goodwill and other intangible assets represent a substantial amount of our total assets and the impairment of such substantial goodwill and intangible assets could have a negative impact on our financial condition and results of operations.

Our total assets include substantial amounts of intangible assets, primarily goodwill. At December 31, 2011, goodwill and other intangible assets, net of accumulated amortization, totaled $2,789.2 million or 65% of our total assets. The goodwill results from our acquisitions, representing the excess of cost over the fair value of the net tangible and other identifiable intangible assets we have acquired. At a minimum, we assess annually whether there has been impairment in the value of our intangible assets. If future operating performance at one or more of our business units were to fall significantly below current levels, we could record, under current applicable accounting rules, a non-cash charge to operating income for goodwill or other intangible asset impairment. Any determination requiring the impairment of a significant portion of goodwill or other intangible assets would negatively affect our financial condition and results of operations.

Item 1B. Unresolved Staff Comments

None.

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Item 2. Properties

At December 31, 2011, the Company had 114 operating facilities in 23 states and 16 foreign countries. Of these facilities, 55 are owned by the Company and 59 are leased. The properties owned by the Company consist of approximately 677 acres, of which approximately 4.3 million square feet are under roof. Under lease is a total of approximately 1.8 million square feet. The leases expire over a range of years from 2011 to 2082, with renewal options for varying terms contained in many of the leases. Production facilities in China, Taiwan and Japan provide the Company with additional production capacity through the Company’s investment in 50% or less owned joint ventures. The Company’s executive offices in Berwyn, Pennsylvania, occupy approximately 43,000 square feet under a lease that expires in September 2023.

The Company’s machinery and equipment, plants and offices are in satisfactory operating condition and are adequate for the uses to which they are put. The operating facilities of the Company by business segment were as follows at December 31, 2011:

	Number of Operating Facilities				Square Feet Under Roof
	Owned		Leased		Owned		Leased
Electronic Instruments		26		30		2,000,000		1,091,000
Electromechanical		29		29		2,322,000		743,000
Total		55		59		4,322,000		1,834,000

Item 3. Legal Proceedings

Please refer to “Environmental Matters” in Management’s Discussion and Analysis of Financial Condition and Results of Operations and Note 14 to the Consolidated Financial Statements in this Annual Report on Form 10-K for information regarding certain litigation matters.

In addition to those litigation matters described above, the Company is, from time to time, subject to a variety of litigation and similar proceedings incidental to its business. These lawsuits may involve claims for damages arising out of the use of the Company’s products and services, personal injury, employment matters, tax matters, commercial disputes and intellectual property matters. The Company may also become subject to lawsuits as a result of past or future acquisitions. Based upon the Company’s experience, the Company does not believe that these proceedings and claims will have a material adverse effect on its results of operations, financial position or cash flows.

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PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

The principal market on which the Company’s common stock is traded is the New York Stock Exchange and it is traded under the symbol “AME.” On January 31, 2012, there were approximately 2,200 holders of record of the Company’s common stock.

Market price and dividend information with respect to the Company’s common stock is set forth below. Future dividend payments by the Company will be dependent on future earnings, financial requirements, contractual provisions of debt agreements and other relevant factors.

Under its share repurchase program, the Company repurchased 1.7 million shares of common stock for $59.3 million in 2011 and 3.1 million shares of common stock for $78.6 million in 2010 primarily to offset the dilutive effect of shares granted as equity-based compensation.

The high and low sales prices of the Company’s common stock on the New York Stock Exchange composite tape and the quarterly dividends per share paid on the common stock were:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2011
Dividends paid per share	$	0.06	$	0.06	$	0.06	$	0.06
Common stock trading range:
High	$	44.83	$	47.00	$	46.59	$	43.73
Low	$	38.38	$	40.38	$	32.67	$	30.87
2010
Dividends paid per share	$	0.04	$	0.04	$	0.04	$	0.06
Common stock trading range:
High	$	27.89	$	29.59	$	32.41	$	41.34
Low	$	23.76	$	25.33	$	26.46	$	31.55

Issuer Purchases of Equity Securities

The following table reflects purchases of AMETEK, Inc. common stock by the Company during the three months ended December 31, 2011:

Period	Total Number of  Shares Purchased(1)		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced  Plan(1)		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plan
October 1, 2011 to October 31, 2011		1,279,100	$	33.58		1,279,100	$	5,526,184
November 1, 2011 to November 30, 2011		—		—		—		105,526,184
December 1, 2011 to December 31, 2011		—		—		—		105,526,184
Total		1,279,100		33.58		1,279,100

(1) Consists of the number of shares purchased pursuant to the Company’s Board of Directors $75 million authorization for the repurchase of its common stock announced on January 28, 2010. In November 2011, the Board of Directors approved an increase of $100 million in the authorization for the repurchase of the Company’s common stock. Such purchases may be affected from time to time in the open market or in private transactions, subject to market conditions and at management’s discretion.

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Securities Authorized for Issuance Under Equity Compensation Plan Information

The following table sets forth information as of December 31, 2011 regarding all of the Company’s existing compensation plans pursuant to which equity securities are authorized for issuance to employees and nonemployee directors:

Plan category	Number of securities to be issued upon exercise of outstanding options, warrants and rights (a)		Weighted average exercise price of outstanding options, warrants and rights (b)		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a)) (c)
Equity compensation plans approved by security holders		5,466,439	$	27.75		9,947,284
Equity compensation plans not approved by security holders		—		—		—
Total		5,466,439	$	27.75		9,947,284

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Stock Performance Graph

The following stock performance graph and related information shall not be deemed “soliciting material” or to be “filed” with the Securities and Exchange Commission, nor shall such information be incorporated by reference into any future filing under the Securities Act of 1933 or Securities Exchange Act of 1934, each as amended, except to the extent that the Company specifically incorporates it by reference into such filing.

The following graph and accompanying table compare the cumulative total stockholder return for AMETEK, Inc. over the last five years ended December 31, 2011 with total returns for the same period for the Russell 1000 Index and the Dow Jones U.S. Electronic Equipment Index. The performance graph and table assume a $100 investment made on December 31, 2006 and reinvestment of all dividends. The stock performance shown on the graph below is based on historical data and is not necessarily indicative of future stock price performance.

COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN

	December 31,
	2006		2007		2008		2009		2010		2011
AMETEK, Inc.	$	100.00	$	148.01	$	96.01	$	122.40	$	189.54	$	204.50
Russell 1000 Index*		100.00		105.77		66.01		84.77		98.42		99.90
Dow Jones U.S. Electronic Equipment Index*		100.00		117.34		68.89		99.05		133.21		121.36

* Includes AMETEK, Inc.

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Item 6. Selected Financial Data

The following financial information for the five years ended December 31, 2011, has been derived from the Company’s consolidated financial statements. This information should be read in conjunction with Management’s Discussion and Analysis of Financial Condition and Results of Operations and the consolidated financial statements and related notes thereto included elsewhere in this Annual Report on Form 10-K.

	2011			2010			2009			2008			2007
	(In millions, except per share amounts)
Consolidated Operating Results (Year Ended December 31):
Net sales	$	2,989.9		$	2,471.0		$	2,098.4		$	2,531.1		$	2,136.9
Operating income	$	635.9		$	482.2		$	366.1		$	432.7		$	386.6
Interest expense	$	(69.7	)	$	(67.5	)	$	(68.8	)	$	(63.7	)	$	(46.9	)
Net income	$	384.5		$	283.9		$	205.8		$	247.0		$	228.0
Earnings per share:
Basic	$	2.40		$	1.79		$	1.28		$	1.55		$	1.44
Diluted	$	2.37		$	1.76		$	1.27		$	1.53		$	1.41
Dividends declared and paid per share	$	0.24		$	0.18		$	0.16		$	0.16		$	0.16
Weighted average common shares outstanding:
Basic		160.3			159.1			160.2			159.2			158.7
Diluted		162.1			160.9			161.8			161.2			161.4
Performance Measures and Other Data:
Operating income — Return on net sales		21.3	%		19.5	%		17.4	%		17.1	%		18.1	%
— Return on average total assets		15.6	%		13.6	%		11.6	%		14.9	%		15.9	%
Net income — Return on average total capital(1)		12.3	%		10.2	%		8.2	%		10.9	%		12.0	%
— Return on average stockholders’ equity(1)		20.1	%		17.0	%		14.4	%		19.5	%		20.7	%
EBITDA(2)	$	712.2		$	545.9		$	428.0		$	489.4		$	433.9
Ratio of EBITDA to interest expense(2)		10.2	x		8.2	x		6.3	x		7.7	x		9.3	x
Depreciation and amortization	$	86.5		$	72.9		$	65.5		$	63.3		$	52.7
Capital expenditures	$	50.8		$	39.2		$	33.1		$	44.2		$	37.6
Cash provided by operating activities	$	508.6		$	423.0		$	364.7		$	247.3		$	278.5
Free cash flow(3)	$	457.8		$	383.8		$	331.6		$	203.1		$	240.9
Consolidated Financial Position (At December 31):
Current assets	$	1,059.1		$	974.5		$	969.4		$	954.6		$	952.2
Current liabilities	$	628.9		$	550.9		$	424.3		$	447.5		$	640.8
Property, plant and equipment, net	$	325.3		$	318.1		$	310.1		$	307.9		$	293.1
Total assets	$	4,319.5		$	3,818.9		$	3,246.0		$	3,055.5		$	2,745.7
Long-term debt	$	1,123.4		$	1,071.4		$	955.9		$	1,093.2		$	667.0
Total debt	$	1,263.9		$	1,168.5		$	1,041.7		$	1,111.7		$	903.0
Stockholders’ equity(1)	$	2,052.8		$	1,775.2		$	1,567.0		$	1,287.8		$	1,240.7
Stockholders’ equity per share(1)	$	12.80		$	11.05		$	9.68		$	8.04		$	7.70
Total debt as a percentage of capitalization(1)		38.1	%		39.7	%		39.9	%		46.3	%		42.1	%
Net debt as a percentage of capitalization(1)(4)		34.8	%		36.2	%		33.7	%		44.3	%		37.1	%

See Notes to Selected Financial Data on the following page.

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Notes to Selected Financial Data

(1) The adoption of provisions in Financial Accounting Standards Board Accounting Standards Codification Topic 740, Income Taxes as of January 1, 2007, resulted in a $5.9 million charge to the opening balance of stockholders’ equity.

(2) EBITDA represents income before interest, income taxes, depreciation and amortization. EBITDA is presented because the Company is aware that it is used by rating agencies, securities analysts, investors and other parties in evaluating the Company. It should not be considered, however, as an alternative to operating income as an indicator of the Company’s operating performance or as an alternative to cash flows as a measure of the Company’s overall liquidity as presented in the Company’s consolidated financial statements. Furthermore, EBITDA measures shown for the Company may not be comparable to similarly titled measures used by other companies. The following table presents the reconciliation of net income reported in accordance with U.S. generally accepted accounting principles (“GAAP”) to EBITDA:

	Year Ended December 31,
	2011			2010			2009			2008			2007
	(In millions)
Net income	$	384.5		$	283.9		$	205.8		$	247.0		$	228.0
Add (deduct):
Interest expense		69.7			67.5			68.8			63.7			46.9
Interest income		(0.7	)		(0.7	)		(1.0	)		(3.9	)		(2.1	)
Income taxes		172.2			122.3			88.9			119.3			108.4
Depreciation		48.9			45.4			42.2			45.8			42.3
Amortization		37.6			27.5			23.3			17.5			10.4
Total adjustments		327.7			262.0			222.2			242.4			205.9
EBITDA	$	712.2		$	545.9		$	428.0		$	489.4		$	433.9

(3) Free cash flow represents cash flow from operating activities less capital expenditures. Free cash flow is presented because the Company is aware that it is used by rating agencies, securities analysts, investors and other parties in evaluating the Company. (Also see note 2 above). The following table presents the reconciliation of cash flow from operating activities reported in accordance with U.S. GAAP to free cash flow:

	Year Ended December 31,
	2011			2010			2009			2008			2007
	(In millions)
Cash provided by operating activities	$	508.6		$	423.0		$	364.7		$	247.3		$	278.5
Deduct: Capital expenditures		(50.8	)		(39.2	)		(33.1	)		(44.2	)		(37.6	)
Free cash flow	$	457.8		$	383.8		$	331.6		$	203.1		$	240.9

(4) Net debt represents total debt minus cash and cash equivalents. Net debt is presented because the Company is aware that it is used by securities analysts, investors and other parties in evaluating the Company. (Also see note 2 above). The following table presents the reconciliation of total debt reported in accordance with U.S. GAAP to net debt:

	December 31,
	2011			2010			2009			2008			2007
	(In millions)
Total debt	$	1,263.9		$	1,168.5		$	1,041.7		$	1,111.7		$	903.0
Less: Cash and cash equivalents		(170.4	)		(163.2	)		(246.4	)		(87.0	)		(170.1	)
Net debt		1,093.5			1,005.3			795.3			1,024.7			732.9
Stockholders’ equity		2,052.8			1,775.2			1,567.0			1,287.8			1,240.7
Capitalization (net debt plus stockholders’ equity)	$	3,146.3		$	2,780.5		$	2,362.3		$	2,312.5		$	1,973.6
Net debt as a percentage of capitalization		34.8	%		36.2	%		33.7	%		44.3	%		37.1	%

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Item 7.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

This report includes forward-looking statements based on the Company’s current assumptions, expectations and projections about future events. When used in this report, the words “believes,” “anticipates,” “may,” “expect,” “intend,” “estimate,” “project” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such words. In this report, the Company discloses important factors that could cause actual results to differ materially from management’s expectations. For more information on these and other factors, see “Forward-Looking Information” herein.

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with “Item 1A. Risk Factors,” “Item 6. Selected Financial Data” and the consolidated financial statements and related notes included elsewhere in this Annual Report on Form 10-K.

Business Overview

As a global business, AMETEK’s operations are affected by global, regional and industry economic factors. However, the Company’s strategic geographic and industry diversification, and its mix of products and services, have helped to limit the potential adverse impact of any unfavorable developments in any one industry or the economy of any single country on its consolidated operating results. In 2011, the Company established records for net sales, operating income, operating income margins, net income, diluted earnings per share and operating cash flow. The impact of contributions from recent acquisitions, combined with successful Operational Excellence initiatives, had a positive impact on 2011 results. The Company also benefited from its strategic initiatives under AMETEK’s four growth strategies: Operational Excellence, New Product Development, Global and Market Expansion and Strategic Acquisitions and Alliances. Highlights of 2011 were:

• In 2011, net sales were $3.0 billion, an increase of $518.9 million or 21.0% from 2010, on internal growth of approximately 16% in the Electronic Instruments Group (“EIG”) and 6% in the Electromechanical Group (“EMG”) excluding the effect of foreign currency translation, and contributions from the 2010 and 2011 acquisitions.

• Net income for 2011 was $384.5 million, an increase of $100.6 million or 35.4% when compared with $283.9 million in 2010.

• During 2011, the Company completed the following acquisitions:

• In April 2011, the Company acquired Avicenna Technology, Inc. (“Avicenna”), a supplier of custom, fine-featured components used in the medical device industry.

• In May 2011, the Company acquired Coining Holding Company (“Coining”), a leading supplier of custom-shaped metal preforms, microstampings and bonding wire solutions for interconnect applications in microelectronics packaging and assembly.

• In October 2011, the Company acquired Reichert Technologies, a manufacturer of analytical instruments and diagnostic devices for the eye care market.

• In October 2011, the Company acquired EM Test (Switzerland) GmbH, a manufacturer of advanced monitoring, testing, calibrating and display instruments in the electrical immunity testing and emissions measurement markets.

• In December 2011, the Company acquired Technical Manufacturing Corporation (“TMC”), a world leader in high-performance vibration isolation systems and optical test benches used to isolate highly sensitive instruments for the microelectronics, life sciences, photonics and ultra-precision manufacturing industries.

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• Higher earnings resulted in record cash flow provided by operating activities that totaled $508.6 million for 2011, a $85.6 million or 20.2% increase from 2010.

• The Company continues to maintain a strong international sales presence. International sales, including U.S. export sales, were $1,501.1 million or 50.2% of net sales in 2011, compared with $1,211.3 million or 49.0% of net sales in 2010.

• New orders for 2011 were $3,072.5 million, an increase of $421.2 million or 15.9% when compared with $2,651.3 million in 2010. As a result, the Company’s backlog of unfilled orders at December 31, 2011 was a year end record at $911.4 million.

• The Company continued its emphasis on investment in research, development and engineering, spending $137.6 million in 2011 before customer reimbursement of $6.1 million. Sales from products introduced in the last three years were $595.2 million or 19.9% of net sales.

• In September 2011, AMETEK completed a new five-year revolving credit facility with a total borrowing capacity of $700 million, which excludes an accordion feature that permits the Company to request up to an additional $200 million in revolving credit commitments at any time during the life of the revolving credit agreement under certain conditions. The new revolving credit facility replaced a $450 million total borrowing capacity revolving credit facility, which excluded a $100 million accordion feature, that was due to expire in June 2012. At December 31, 2011, the Company had $742.7 million available under its revolving credit facility, including the $200 million accordion feature.

• In the fourth quarter of 2011, the Company issued a 55 million Swiss franc ($59.0 million) 2.44% senior note due December 2021.

Results of Operations

The following table sets forth net sales and income by reportable segment and on a consolidated basis:

	Year Ended December 31,
	2011			2010			2009
	(In thousands)
Net sales(1):
Electronic Instruments	$	1,647,195		$	1,324,113		$	1,146,578
Electromechanical		1,342,719			1,146,839			951,777
Consolidated net sales	$	2,989,914		$	2,470,952		$	2,098,355
Operating income and income before income taxes:
Segment operating income(2):
Electronic Instruments	$	420,197		$	316,184		$	232,875
Electromechanical		262,710			210,397			166,582
Total segment operating income		682,907			526,581			399,457
Corporate administrative and other expenses		(46,966	)		(44,423	)		(33,407	)
Consolidated operating income		635,941			482,158			366,050
Interest and other expenses, net		(79,299	)		(75,908	)		(71,417	)
Consolidated income before income taxes	$	556,642		$	406,250		$	294,633

(1) After elimination of intra- and intersegment sales, which are not significant in amount.

(2) Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense.

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Year Ended December 31, 2011 Compared with Year Ended December 31, 2010

Results of Operations

In 2011, the Company established records for sales, operating income, operating income margins, net income, diluted earnings per share and operating cash flow. The Company achieved these results from strong internal growth in both EIG and EMG, as well as contributions from acquisitions completed in 2011 and the acquisitions of Technical Services for Electronics (“TSE”) in June 2010, Haydon Enterprises in July 2010 and Atlas Material Testing Technology LLC (“Atlas”) in November 2010. The full year impact of the 2011 acquisitions and our Operational Excellence capabilities should have a positive impact on our 2012 results.

Net sales for 2011 were $2,989.9 million, an increase of $518.9 million or 21.0% when compared with net sales of $2,471.0 million in 2010. Net sales for EIG were $1,647.2 million in 2011, an increase of 24.4% from net sales of $1,324.1 million in 2010. Net sales for EMG were $1,342.7 million in 2011, an increase of 17.1% from net sales of $1,146.8 million in 2010. The increase in net sales was primarily attributable to higher order rates, as well as the impact of the acquisitions mentioned above. The net sales increase for 2011 was driven by strong internal sales growth of approximately 11%, which excludes a 1% favorable effect of foreign currency translation. The acquisitions mentioned above contributed the remainder of the net sales increase.

Total international sales for 2011 were $1,501.1 million or 50.2% of net sales, an increase of $289.8 million or 23.9% when compared with international sales of $1,211.3 million or 49.0% of net sales in 2010. The $289.8 million increase in international sales resulted from higher sales growth noted above, driven by continued strong expansion into Asia, as well as growth in Europe, and includes the effect of foreign currency translation. Both reportable segments of the Company maintain a strong international sales presence in Europe and Asia. Export shipments from the United States, which are included in total international sales, were $774.9 million in 2011, an increase of $210.4 million or 37.3% compared with $564.5 million in 2010. Export shipments improved due to increased exports from both the base businesses and the acquisitions noted above.

New orders for 2011 were $3,072.5 million, an increase of $421.2 million or 15.9% when compared with $2,651.3 million in 2010. For 2011, internal order growth was approximately 8%, excluding a 1% favorable effect of foreign currency translation, driven by the differentiated businesses of both EIG and EMG, with the acquisitions mentioned above accounting for the remainder of the increase. As a result, the Company’s backlog of unfilled orders at December 31, 2011 was a year end record at $911.4 million, an increase of $82.6 million or 10.0% when compared with $828.8 million at December 31, 2010.

Segment operating income for 2011 was $682.9 million, an increase of $156.3 million or 29.7% when compared with segment operating income of $526.6 million in 2010. Segment operating income, as a percentage of net sales, increased to 22.8% in 2011 from 21.3% in 2010. The increase in segment operating income and segment operating margins resulted primarily from the leveraged impact of the Company’s net sales increase noted above, as well as the benefits of the Company’s lower cost structure through Operational Excellence initiatives.

Selling, general and administrative (“SG&A”) expenses for 2011 were $349.3 million, an increase of $52.8 million or 17.8% when compared with $296.5 million in 2010. As a percentage of net sales, SG&A expenses were 11.7% for 2011, compared with 12.0% in 2010. A portion of the increase in SG&A expenses was the result of a $2.1 million charge recorded in corporate administrative expenses related to the accelerated vesting of an April 2009 restricted stock grant in the second quarter of 2011. Selling expense increased $49.4 million or 19.5% for 2011 driven by the increase in net sales noted above. Selling expenses, as a percentage of net sales, decreased to 10.1% for 2011, compared with 10.3% for 2010. Base business selling expense increased approximately 11.6% for 2011, which was in line with internal sales growth.

Corporate administrative expenses for 2011 were $46.6 million, an increase of $3.5 million or 8.1% when compared with $43.1 million in 2010. As a percentage of net sales, corporate administrative expenses were 1.6%

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for 2011, compared with 1.7% in 2010. The increase in corporate administrative expenses was primarily the result of equity-based compensation associated with the accelerated vesting of restricted stock in the second quarter of 2011, noted above, as well as higher compensation related expenses.

Consolidated operating income was $635.9 million or 21.3% of net sales for 2011, an increase of $153.7 million or 31.9% when compared with $482.2 million or 19.5% of net sales in 2010.

Interest expense was $69.7 million for 2011, an increase of $2.2 million or 3.3% when compared with $67.5 million in 2010. The increase was primarily due to the full year impact of the issuance of an 80 million British pound senior note in the third quarter of 2010, partially offset by the repayment of a 50 million British pound senior note in the third quarter of 2010.

Other expenses, net were $9.6 million for 2011, an increase of $1.2 million when compared with $8.4 million in 2010. The increase was primarily driven by higher acquisition-related expenses and an unfavorable impact from foreign currency.

The effective tax rate for 2011 was 30.9% compared with 30.1% in 2010. The effective tax rate for 2011 included the impact of the accelerated vesting of non-deductible restricted stock amortization. The effective tax rate for 2011 and 2010 included the impact of international statutory tax rate reductions and benefits obtained from a favorable mix of international taxable earnings. See Note 8 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further details.

Net income for 2011 was $384.5 million, an increase of $100.6 million or 35.4% when compared with $283.9 million in 2010. Diluted earnings per share for 2011 were $2.37, an increase of $0.61 or 34.7% when compared with $1.76 per diluted share in 2010.

Segment Results

EIG’s net sales totaled $1,647.2 million for 2011, an increase of $323.1 million or 24.4% when compared with $1,324.1 million in 2010. The net sales increase was due to internal growth of approximately 16%, excluding a favorable 1% effect of foreign currency translation, and was driven primarily by increases in EIG’s process, power and industrial businesses. The acquisitions of EM Test, Reichert Technologies and Atlas accounted for the remainder of the net sales increase.

EIG’s operating income was $420.2 million for 2011, an increase of $104.0 million or 32.9% when compared with $316.2 million in 2010. EIG’s operating margins were 25.5% of net sales for 2011 compared with 23.9% of net sales in 2010. The increase in segment operating income and operating margins was driven by the leveraged impact of the Group’s increase in net sales noted above, as well as the benefit of the Group’s lower cost structure through Operational Excellence initiatives.

EMG’s net sales totaled $1,342.7 million for 2011, an increase of $195.9 million or 17.1% when compared with $1,146.8 million in 2010. The net sales increase was due to internal growth of approximately 6%, excluding a favorable 1% effect of foreign currency translation, and was driven by increases in EMG’s differentiated businesses. The acquisitions of Coining, Avicenna, Haydon Enterprises and TSE accounted for the remainder of the net sales increase.

EMG’s operating income was $262.7 million for 2011, an increase of $52.3 million or 24.9% when compared with $210.4 million in 2010. EMG’s operating margins were 19.6% of net sales for 2011 compared with 18.3% of net sales in 2010. EMG’s increase in operating income and operating margins was primarily due to the leveraged impact of the Group’s increase in net sales noted above, as well as the benefit of the Group’s lower cost structure through Operational Excellence initiatives.

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Year Ended December 31, 2010 Compared with Year Ended December 31, 2009

Results of Operations

In 2010, the Company posted strong sales and established records for operating income, operating income margins, net income, diluted earnings per share and operating cash flow. The Company achieved these results from strong internal growth in both EIG and EMG, as well as contributions from acquisitions of TSE, Haydon Enterprises and Atlas in 2010 and the acquisitions of High Standard Aviation in January 2009 and Ameron Global in December 2009. In the fourth quarter of 2009, the Company began to experience increased order rates which continued through 2010.

Net sales for 2010 were $2,471.0 million, an increase of $372.6 million or 17.8% when compared with net sales of $2,098.4 million in 2009. Net sales for EIG were $1,324.1 million in 2010, an increase of 15.5% from net sales of $1,146.6 million in 2009. Net sales for EMG were $1,146.8 million in 2010, an increase of 20.5% from net sales of $951.8 million in 2009. The increase in net sales was primarily attributable to higher order rates, as well as the impact of the acquisitions mentioned above. The net sales increase for 2010 was driven by strong internal sales growth of approximately 13%, with no impact from foreign currency translation. The acquisitions mentioned above contributed the remainder of the net sales increase.

Total international sales for 2010 were $1,211.3 million or 49.0% of net sales, an increase of $179.6 million or 17.4% when compared with international sales of $1,031.7 million or 49.2% of net sales in 2009. The $179.6 million increase in international sales resulted from higher sales growth noted above, as well as continued expansion into Asia, and includes the effect of foreign currency translation. Both reportable segments of the Company maintain a strong international sales presence in Europe and Asia. Export shipments from the United States, which are included in total international sales, were $564.5 million in 2010, an increase of $150.4 million or 36.3% compared with $414.1 million in 2009. Export shipments improved due to increased exports from both the base businesses and the acquisitions noted above.

New orders for 2010 were $2,651.3 million, an increase of $623.2 million or 30.7% when compared with $2,028.1 million in 2009. Throughout most of 2009, the Company experienced lower order rates primarily as a result of the global economic recession, which began in late 2008 and continued through most of 2009. However, order rates stabilized in the third quarter of 2009 and began to increase in the fourth quarter of 2009. For 2010, internal order growth was approximately 23%, excluding a 1% unfavorable effect of foreign currency translation, driven by both the Company’s differentiated and cost-driven businesses, with the acquisitions mentioned above accounting for the remainder of the increase. As a result, the Company’s backlog of unfilled orders at December 31, 2010 was $828.8 million, an increase of $180.4 million or 27.8% when compared with $648.4 million at December 31, 2009.

Segment operating income for 2010 was $526.6 million, an increase of $127.1 million or 31.8% when compared with segment operating income of $399.5 million in 2009. Segment operating income, as a percentage of net sales, increased to 21.3% in 2010 from 19.0% in 2009. The increase in segment operating income and segment operating margins resulted primarily from the leveraged impact of the Company’s net sales increase noted above, as well as the benefits of the Company’s lower cost structure through Operational Excellence initiatives.

SG&A expenses for 2010 were $296.5 million, an increase of $42.4 million or 16.7% when compared with $254.1 million in 2009. As a percentage of net sales, SG&A expenses were 12.0% for 2010, compared with 12.1% in 2009. Selling expense increased $32.4 million or 14.7% for 2010, which was in line with internal sales growth. Selling expenses, as a percentage of net sales, decreased to 10.3% for 2010, compared with 10.5% for 2009. Additionally, the Company’s acquisition strategy generally is to acquire differentiated businesses, which because of their distribution channels and higher marketing costs tend to have a higher content of selling expenses. Base business selling expense increased approximately 11.1% for 2010.

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Corporate administrative expenses for 2010 were $43.1 million, an increase of $9.9 million or 29.8% when compared with $33.2 million in 2009. As a percentage of net sales, corporate administrative expenses were 1.7% for 2010, compared with 1.6% in 2009. The increase in corporate administrative expenses was primarily driven by higher compensation related expenses, as well as other costs necessary to grow the business.

Consolidated operating income was $482.2 million or 19.5% of net sales for 2010, an increase of $116.1 million or 31.7% when compared with $366.1 million or 17.4% of net sales in 2009.

Interest expense was $67.5 million for 2010, a decrease of $1.3 million or 1.9% when compared with $68.8 million in 2009. The decrease was primarily due to the impact of the repayment of a 40 million British pound borrowing under the revolving credit facility in the second quarter of 2009 and a 50 million British pound senior note in the third quarter of 2010, partially offset by the issuance of an 80 million British pound senior note in the third quarter of 2010.

Other expenses, net were $8.4 million for 2010, an increase of $5.7 million when compared with $2.7 million in 2009. The increase was primarily driven by acquisition related expenses.

The effective tax rate for 2010 was 30.1% compared with 30.2% in 2009. The effective tax rate for 2010 primarily reflects the impact of settlements of income tax examinations and the benefits obtained from international and state income tax planning initiatives.

Net income for 2010 was $283.9 million, an increase of $78.1 million or 37.9% when compared with $205.8 million in 2009. Diluted earnings per share for 2010 were $1.76, an increase of $0.49 or 38.6% when compared with $1.27 per diluted share in 2009.

Segment Results

EIG’s net sales totaled $1,324.1 million for 2010, an increase of $177.5 million or 15.5% when compared with $1,146.6 million in 2009. The net sales increase was due to internal growth of approximately 15%, with no impact from foreign currency translation, driven primarily by EIG’s process, power and industrial businesses. The acquisition of Atlas primarily accounted for the remainder of the net sales increase.

EIG’s operating income was $316.2 million for 2010, an increase of $83.3 million or 35.8% when compared with $232.9 million in 2009. EIG’s operating margins were 23.9% of net sales for 2010 compared with 20.3% of net sales in 2009. The increase in segment operating income and operating margins was driven by the leveraged impact of the Group’s increase in net sales noted above, as well as the benefit of the Group’s lower cost structure through Operational Excellence initiatives.

EMG’s net sales totaled $1,146.8 million for 2010, an increase of $195.0 million or 20.5% when compared with $951.8 million in 2009. The net sales increase was due to internal growth of approximately 12%, with no impact from foreign currency translation. The acquisitions of Ameron Global, TSE and Haydon Enterprises primarily accounted for the remainder of the net sales increase.

EMG’s operating income was $210.4 million for 2010, an increase of $43.8 million or 26.3% when compared with $166.6 million in 2009. EMG’s operating margins were 18.3% of net sales for 2010 compared with 17.5% of net sales in 2009. EMG’s increase in operating income and operating margins was primarily due to the leveraged impact of the Group’s higher net sales, which includes the acquisitions mentioned above.

Liquidity and Capital Resources

Cash provided by operating activities totaled $508.6 million in 2011, an increase of $85.6 million or 20.2% when compared with $423.0 million in 2010. The increase in cash provided by operating activities was primarily

27

due to the $100.6 million increase in net income, partially offset by higher overall operating working capital levels necessary to grow the Company’s businesses. Free cash flow (cash flow provided by operating activities less capital expenditures) was $457.8 million in 2011, compared with $383.8 million in 2010. EBITDA (earnings before interest, income taxes, depreciation and amortization) was $712.2 million in 2011, compared with $545.9 million in 2010. Free cash flow and EBITDA are presented because the Company is aware that they are measures used by third parties in evaluating the Company. (See the “Notes to Selected Financial Data” included in Item 6 in this Annual Report on Form 10-K for a reconciliation of U.S. generally accepted accounting principles (“GAAP”) measures to comparable non-GAAP measures).

Cash used for investing activities totaled $526.5 million in 2011, compared with $566.8 million in 2010. In 2011, the Company paid $474.9 million for five business acquisitions, net of cash received, compared with $538.6 million paid for six business acquisitions, net of cash received, in 2010. Additions to property, plant and equipment totaled $50.8 million in 2011, compared with $39.2 million in 2010.

Cash provided by financing activities totaled $31.9 million in 2011, compared with $62.6 million in 2010. In 2011, net total borrowings increased by $99.1 million, compared with a net total borrowings increase of $139.3 million in 2010. In 2011, the Company repurchased 1.7 million shares of its common stock for $59.3 million, compared with $78.6 million used for repurchases of 3.1 million shares of the Company’s common stock in 2010. In November 2011, the Board of Directors approved an increase of $100 million in the authorization for the repurchase of the Company’s common stock. At December 31, 2011, $105.5 million was available under the Board authorization for future share repurchases.

In September 2011, AMETEK completed a new five-year revolving credit facility with a total borrowing capacity of $700 million, which excludes an accordion feature that permits the Company to request up to an additional $200 million in revolving credit commitments at any time during the life of the revolving credit agreement under certain conditions. Interest rates on outstanding loans under either the current or replaced revolving credit facility are at the applicable London Interbank Offered Rate (“LIBOR”) plus a negotiated spread, or at the U.S. prime rate. The new revolving credit facility replaced a $450 million total borrowing capacity revolving credit facility, which excluded a $100 million accordion feature, that was due to expire in June 2012. The new revolving credit facility provides the Company with additional financial flexibility to support its growth plans, including its successful acquisition strategy. At December 31, 2011, the Company had available borrowing capacity of $742.7 million under its revolving credit facility, including the $200 million accordion feature.

In the fourth quarter of 2011, the Company issued a 55 million Swiss franc ($59.0 million) 2.44% senior note due December 2021.

In the third quarter of 2010, the Company paid in full an expiring 50 million British pound ($78.2 million) 5.96% senior note. In the third quarter of 2010, the Company issued an 80 million British pound ($124.3 million at December 31, 2011) 4.68% senior note due September 2020.

At December 31, 2011, total debt outstanding was $1,263.9 million, compared with $1,168.5 million at December 31, 2010, with no significant maturities until 2015. The debt-to-capital ratio was 38.1% at December 31, 2011, compared with 39.7% at December 31, 2010. The net debt-to-capital ratio (total debt less cash and cash equivalents divided by the sum of net debt and stockholders’ equity) was 34.8% at December 31, 2011, compared with 36.2% at December 31, 2010. The net debt-to-capital ratio is presented because the Company is aware that this measure is used by third parties in evaluating the Company. (See the “Notes to Selected Financial Data” included in Item 6 in this Annual Report on Form 10-K for a reconciliation of U.S. GAAP measures to comparable non-GAAP measures).

Additional financing activities for 2011 include cash dividends paid of $38.4 million compared with $28.6 million in 2010. Proceeds from the exercise of employee stock options were $19.6 million in 2011, compared with $21.5 million in 2010.

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As a result of all of the Company’s cash flow activities in 2011, cash and cash equivalents at December 31, 2011 totaled $170.4 million, compared with $163.2 million at December 31, 2010. At December 31, 2011, the Company had $168.2 million in cash outside the United States. The Company utilizes this cash to operate its international operations, as well as acquire international businesses. In the fourth quarter 2011, the Company utilized cash outside the United States to purchase EM Test. The Company is in compliance with all covenants, including financial covenants, for all of its debt agreements. The Company believes it has sufficient cash-generating capabilities from domestic and unrestricted foreign sources, available credit facilities and access to long-term capital funds to enable it to meet its operating needs and contractual obligations in the foreseeable future.

The following table summarizes AMETEK’s contractual cash obligations and the effect such obligations are expected to have on the Company’s liquidity and cash flows in future years at December 31, 2011.

	Payments Due
Contractual Obligations(1)	Total		Less Than One Year		One to Three Years		Four to Five Years		After Five Years
	(In millions)
Long-term debt(2)	$	1,110.0	$	—	$	—	$	252.0	$	858.0
Revolving credit loans(3)		134.2		134.2		—		—		—
Capital lease(4)		10.8		0.9		2.0		2.1		5.8
Other indebtedness		8.9		5.4		2.1		1.4		—
Total debt		1,263.9		140.5		4.1		255.5		863.8
Interest on long-term fixed-rate debt		418.6		66.6		132.9		118.9		100.2
Noncancellable operating leases(5)		131.3		27.0		37.0		23.2		44.1
Purchase obligations(6)		275.5		264.9		10.4		0.2		—
Employee severance and other		11.6		11.6		—		—		—
Total	$	2,100.9	$	510.6	$	184.4	$	397.8	$	1,008.1

(1) The liability for uncertain tax positions was not included in the table of contractual obligations as of December 31, 2011 because the timing of the settlements of these uncertain tax positions cannot be reasonably estimated at this time. See Note 8 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further details.

(2) Includes the $450 million private placement completed in 2007 and the $350 million private placement completed in 2008.

(3) Although not contractually obligated, the Company expects to have the capability to repay the revolving credit loan within one year as permitted in the credit agreement. Accordingly, $134.2 million was classified as short-term debt at December 31, 2011.

(4) Represents a capital lease for a building and land associated with the Cameca SAS acquisition. The lease has a term of 12 years, which began in July 2006, and is payable quarterly.

(5) The leases expire over a range of years from 2012 to 2082 with renewal or purchase options, subject to various terms and conditions, contained in most of the leases.

(6) Purchase obligations primarily consist of contractual commitments to purchase certain inventories at fixed prices.

Other Commitments

The Company has standby letters of credit and surety bonds of $26.8 million related to performance and payment guarantees at December 31, 2011. Based on experience with these arrangements, the Company believes that any obligations that may arise will not be material to its financial position.

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Critical Accounting Policies

The Company has identified its critical accounting policies as those accounting policies that can have a significant impact on the presentation of the Company’s financial condition and results of operations and that require the use of complex and subjective estimates based upon past experience and management’s judgment. Because of the uncertainty inherent in such estimates, actual results may differ materially from the estimates used. The consolidated financial statements and related notes contain information that is pertinent to the Company’s accounting policies and to Management’s Discussion and Analysis. The information that follows represents additional specific disclosures about the Company’s accounting policies regarding risks, estimates, subjective decisions or assessments whereby materially different financial condition and results of operations could have been reported had different assumptions been used or different conditions existed. Primary disclosure of the Company’s significant accounting policies is in Note 1 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

• Revenue Recognition.    The Company recognizes revenue on product sales in the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, under which title and risk of loss have been transferred, collectability is reasonably assured and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The policy with respect to sales returns and allowances generally provides that the customer may not return products or be given allowances, except at the Company’s option. The Company has agreements with distributors that do not provide expanded rights of return for unsold products. The distributor purchases the product from the Company, at which time title and risk of loss transfers to the distributor. The Company does not offer substantial sales incentives and credits to its distributors other than volume discounts. The Company accounts for the sales incentive as a reduction of revenues when the sale is recognized. Accruals for sales returns, other allowances and estimated warranty costs are provided at the time revenue is recognized based upon past experience. At December 31, 2011, 2010 and 2009, the accrual for future warranty obligations was $22.5 million, $18.3 million and $16.0 million, respectively. The Company’s expense for warranty obligations was $13.2 million, $10.6 million and $8.2 million in 2011, 2010 and 2009, respectively. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses. If actual future sales returns and allowances and warranty amounts are higher than past experience, additional accruals may be required.

• Accounts Receivable.    The Company maintains allowances for estimated losses resulting from the inability of specific customers to meet their financial obligations to the Company. A specific reserve for bad debts is recorded against the amount due from these customers. For all other customers, the Company recognizes reserves for bad debts based on the length of time specific receivables are past due based on its historical experience. If the financial condition of the Company’s customers were to deteriorate, resulting in their inability to make payments, additional allowances may be required. The allowance for possible losses on receivables was $7.8 million and $6.0 million at December 31, 2011 and 2010, respectively.

• Inventories.    The Company uses the first-in, first-out (“FIFO”) method of accounting, which approximates current replacement cost, for approximately 74% of its inventories at December 31, 2011. The last-in, first-out (“LIFO”) method of accounting is used to determine cost for the remaining 26% of its inventory at December 31, 2011. For inventories where cost is determined by the LIFO method, the FIFO value would have been $25.1 million and $23.9 million higher than the LIFO value reported in the consolidated balance sheet at December 31, 2011 and 2010, respectively. The Company provides estimated inventory reserves for slow-moving and obsolete inventory based on current assessments about future demand, market conditions, customers who may be experiencing financial difficulties and related management initiatives. If these factors are less favorable than those projected by management, additional inventory reserves may be required.

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• Goodwill and Other Intangible Assets.    Goodwill and other intangible assets with indefinite lives, primarily trademarks and trade names, are not amortized; rather, they are tested for impairment at least annually. The impairment test for goodwill requires a two-step process. The first step is to compare the carrying amount of the reporting unit’s net assets to the fair value of the reporting unit. If the fair value exceeds the carrying value, no further evaluation is required and no impairment loss is recognized. If the carrying amount exceeds the fair value, then the second step must be completed, which involves allocating the fair value of the reporting unit to each asset and liability, with the excess being implied goodwill. An impairment loss occurs if the amount of the recorded goodwill exceeds the implied goodwill. The Company would be required to record any such impairment losses.

The Company identifies its reporting units at the component level, which is one level below our operating segments. Generally, goodwill arises from acquisitions of specific operating companies and is assigned to the reporting unit in which a particular operating company resides. Our reporting units are composed of the business units one level below our operating segment at which discrete financial information is prepared and regularly reviewed by segment management.

The Company principally relies on a discounted cash flow analysis to determine the fair value of each reporting unit, which considers forecasted cash flows discounted at an appropriate discount rate. The Company believes that market participants would use a discounted cash flow analysis to determine the fair value of its reporting units in a sale transaction. The annual goodwill impairment test requires the Company to make a number of assumptions and estimates concerning future levels of revenue growth, operating margins, depreciation, amortization and working capital requirements, which are based upon the Company’s long-range plan. The Company’s long-range plan is updated as part of its annual planning process and is reviewed and approved by management. The discount rate is an estimate of the overall after-tax rate of return required by a market participant whose weighted average cost of capital includes both equity and debt, including a risk premium. While the Company uses the best available information to prepare its cash flow and discount rate assumptions, actual future cash flows or market conditions could differ significantly resulting in future impairment charges related to recorded goodwill balances. While there are always changes in assumptions to reflect changing business and market conditions, the Company’s overall methodology and the population of assumptions used have remained unchanged. In order to evaluate the sensitivity of the goodwill impairment test to changes in the fair value calculations, the Company applied a hypothetical 10% decrease in fair values of each reporting unit. The results (expressed as a percentage of carrying value for the respective reporting unit) showed that, despite the hypothetical 10% decrease in fair value, the fair values of the Company’s reporting units still exceeded their respective carrying values by 66% to 443% for each of the Company’s reporting units.

The impairment test for indefinite-lived intangibles other than goodwill (primarily trademarks and trade names) consists of a comparison of the fair value of the indefinite-lived intangible asset to the carrying value of the asset as of the impairment testing date. The Company estimates the fair value of its indefinite-lived intangibles using the relief from royalty method. The Company believes the relief from royalty method is a widely used valuation technique for such assets. The fair value derived from the relief from royalty method is measured as the discounted cash flow savings realized from owning such trademarks and trade names and not having to pay a royalty for their use.

The Company’s acquisitions have generally included a significant goodwill component and the Company expects to continue to make acquisitions. At December 31, 2011, goodwill and other indefinite-lived intangible assets totaled $2,114.0 million or 48.9% of the Company’s total assets. The Company performed its required annual impairment tests in the fourth quarter of 2011 and determined that the Company’s goodwill and indefinite-lived intangibles were not impaired. There can be no assurance that goodwill or indefinite-lived intangibles impairment will not occur in the future.

Other intangible assets with finite lives are evaluated for impairment when events or changes in circumstances indicate the carrying value may not be recoverable. The carrying value of other intangible assets

31

with finite lives is considered impaired when the total projected undiscounted cash flows from those assets are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of those assets. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group.

• Pensions.    The Company has U.S. and foreign defined benefit and defined contribution pension plans. The most significant elements in determining the Company’s pension income or expense are the assumed pension liability discount rate and the expected return on plan assets. The pension discount rate reflects the current interest rate at which the pension liabilities could be settled at the valuation date. At the end of each year, the Company determines the assumed discount rate to be used to discount plan liabilities. In estimating this rate for 2011, the Company considered rates of return on high-quality, fixed-income investments that have maturities consistent with the anticipated funding requirements of the plan. The discount rate used in determining the 2011 pension cost was 5.6% for U.S. defined benefit pension plans and 5.71% for foreign plans. The discount rate used for determining the funded status of the plans at December 31, 2011 and determining the 2012 defined benefit pension cost was 5.0% for U.S. plans and 5.22% for foreign plans. In estimating the U.S. and foreign discount rates, the Company’s actuaries developed a customized discount rate appropriate to the plans’ projected benefit cash flow based on yields derived from a database of long-term bonds at consistent maturity dates. The Company used an expected long-term rate of return on plan assets for 2011 of 8.0% for U.S. defined benefit pension plans and 6.96% for foreign plans. The Company will use 8.0% for the U.S. plans in 2012 and 6.96% for the foreign plans in 2012. The Company determines the expected long-term rate of return based primarily on its expectation of future returns for the pension plans’ investments. Additionally, the Company considers historical returns on comparable fixed-income investments and equity investments and adjusts its estimate as deemed appropriate. The rate of compensation increase used in determining the 2011 pension expense for the U.S. plans was 3.75% and was 2.98% for the foreign plans. The U.S. rate of compensation increase will remain unchanged in 2012. The foreign plans’ rates of compensation increase will decrease slightly to 2.97% in 2012. In 2011, the Company recognized consolidated pre-tax pension income of $7.4 million from its U.S. and foreign defined benefit pension plans, compared with pre-tax pension income of $3.2 million recognized for these plans in 2010. The Company estimates its 2012 U.S. and foreign defined benefit pension pre-tax expense to be approximately $0.7 million.

All unrecognized prior service costs, remaining transition obligations or assets and actuarial gains and losses have been recognized, net of tax effects, as a charge to accumulated other comprehensive income in stockholders’ equity and will be amortized as a component of net periodic pension cost. The Company uses a December 31 measurement date (the date at which plan assets and benefit obligations are measured) for its U.S. and foreign defined benefit plans.

To fund the plans, the Company made cash contributions to its defined benefit pension plans in 2011 which totaled $5.4 million, compared with $3.6 million in 2010. The Company anticipates making approximately $3 million to $6 million in cash contributions to its defined benefit pension plans in 2012.

• Income Taxes.    The process of providing for income taxes and determining the related balance sheet accounts requires management to assess uncertainties, make judgments regarding outcomes and utilize estimates. The Company conducts a broad range of operations around the world and is therefore subject to complex tax regulations in numerous international taxing jurisdictions, resulting at times in tax audits, disputes and potential litigation, the outcome of which is uncertain. Management must make judgments currently about such uncertainties and determine estimates of the Company’s tax assets and liabilities. To the extent the final outcome differs, future adjustments to the Company’s tax assets and liabilities may be necessary.

The Company assesses the realizability of its deferred tax assets, taking into consideration the Company’s forecast of future taxable income, available net operating loss carryforwards and available tax planning

32

strategies that could be implemented to realize the deferred tax assets. Based on this assessment, management must evaluate the need for, and the amount of, valuation allowances against the Company’s deferred tax assets. To the extent facts and circumstances change in the future, adjustments to the valuation allowances may be required.

The Company assesses the uncertainty in its tax positions, by applying a minimum recognition threshold which a tax position is required to meet before a tax benefit is recognized in the financial statements. Once the minimum threshold is met, using a more likely than not standard, a series of probability estimates is made for each item to properly measure and record a tax benefit. The tax benefit recorded is generally equal to the highest probable outcome that is more than 50% likely to be realized after full disclosure and resolution of a tax examination. The underlying probabilities are determined based on the best available objective evidence such as recent tax audit outcomes, published guidance, external expert opinion, or by analogy to the outcome of similar issues in the past. There can be no assurance that these estimates will ultimately be realized given continuous changes in tax policy, legislation and audit practice. The Company recognizes interest and penalties accrued related to uncertain tax positions in income tax expense.

Recent Accounting Pronouncements

In January 2010, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2010-06, Fair Value Measurements and Disclosures (“ASU 2010-06”). ASU 2010-06 provides amendments that clarify existing disclosures and require new disclosures related to fair value measurements, providing greater disaggregated information on each class of assets and liabilities and more robust disclosures on transfers between levels 1 and 2, and activity in level 3 fair value measurements. The Company adopted the applicable provisions within ASU 2010-06 effective January 1, 2010. The Company adopted the level 3 disclosure requirements of ASU 2010-06 that are effective for fiscal years beginning after December 15, 2010 and for interim periods within those fiscal years as of January 1, 2011. The adoption of ASU 2010-06 did not have a significant impact on the Company’s fair value disclosures.

In April 2010, the FASB issued ASU No. 2010-17, Revenue Recognition — Milestone Method (“ASU 2010-17”). ASU 2010-17 establishes criteria for a milestone to be considered substantive and allows revenue recognition when the milestone is achieved in research or development arrangements. In addition, it requires disclosure of certain information with respect to arrangements that contain milestones. ASU 2010-17 was effective on January 1, 2011 for the Company and the adoption did not have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

In December 2010, the FASB issued ASU No. 2010-29, Business Combinations (“ASU 2010-29”). ASU 2010-29 addresses diversity in practice about the interpretation of the pro forma disclosure requirement for business combinations. ASU 2010-29 requires disclosure of pro forma revenue and earnings for the current reporting period as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period for both the current and any comparable periods reported. The Company adopted the disclosure requirements of ASU 2010-29 effective January 1, 2011. See Note 5 to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K for further details.

In May 2011, the FASB issued ASU No. 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”). ASU 2011-04 amendments result in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (“IFRSs”). ASU 2011-04 is effective for fiscal years beginning after December 15, 2011. The Company has evaluated ASU 2011-04 and does not expect its adoption will have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

33

In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income (“ASU 2011-05”). ASU 2011-05 requires that all nonowner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two-statement approach, the first statement should present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. These amendments do not change the items that must be reported in other comprehensive income. The Company is currently evaluating the impact of adopting ASU 2011-05 that is effective for fiscal years beginning after December 15, 2011 and does not expect its adoption to impact the Company’s consolidated financial statements other than the change in presentation.

In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment (“ASU 2011-08”). The amendments in ASU 2011-08 permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in FASB Accounting Standards Codification Topic 350, Intangibles — Goodwill and Other. ASU 2011-08 is effective for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impacts of adopting ASU 2011-08 and intends to adopt ASU 2011-08 for the year ending December 31, 2012.

Internal Reinvestment

Capital Expenditures

Capital expenditures were $50.8 million or 1.7% of net sales in 2011, compared with $39.2 million or 1.6% of net sales in 2010. 55% of the expenditures in 2011 were for improvements to existing equipment or additional equipment to increase productivity and expand capacity. The Company’s 2011 capital expenditures increased due to a continuing emphasis on spending to improve productivity and expand manufacturing capabilities. The 2012 capital expenditures are expected to approximate 1.8% of net sales, with a continued emphasis on spending to improve productivity.

Development and Engineering

The Company is committed to research, development and engineering activities that are designed to identify and develop potential new and improved products or enhance existing products. Research, development and engineering costs before customer reimbursement were $137.6 million, $112.1 million and $101.4 million in 2011, 2010 and 2009, respectively. Customer reimbursements in 2011, 2010 and 2009 were $6.1 million, $6.4 million and $5.5 million, respectively. These amounts included net Company-funded research and development expenses of $78.0 million, $56.8 million and $50.5 million, respectively. All such expenditures were directed toward the development of new products and processes and the improvement of existing products and processes.

Environmental Matters

Certain historic processes in the manufacture of products have resulted in environmentally hazardous waste by-products as defined by federal and state laws and regulations. The Company believes these waste products were handled in compliance with regulations existing at that time. At December 31, 2011, the Company is named a Potentially Responsible Party (“PRP”) at 15 non-AMETEK-owned former waste disposal or treatment sites (the “non-owned” sites). The Company is identified as a “de minimis” party in 14 of these sites based on the low volume of waste attributed to the Company relative to the amounts attributed to other named PRPs. In ten of these sites, the Company has reached a tentative agreement on the cost of the de minimis settlement to satisfy its obligation and is awaiting executed agreements. The tentatively agreed-to settlement amounts are fully reserved. In the other four sites, the Company is continuing to investigate the accuracy of the alleged volume attributed to the Company as estimated by the parties primarily responsible for remedial activity at the sites to establish an appropriate settlement amount. At the remaining site where the Company is a non-de minimis PRP, the Company

34

is participating in the investigation and/or related required remediation as part of a PRP Group and reserves have been established sufficient to satisfy the Company’s expected obligations. The Company historically has resolved these issues within established reserve levels and reasonably expects this result will continue. In addition to these non-owned sites, the Company has an ongoing practice of providing reserves for probable remediation activities at certain of its current or previously owned manufacturing locations (the “owned” sites). For claims and proceedings against the Company with respect to other environmental matters, reserves are established once the Company has determined that a loss is probable and estimable. This estimate is refined as the Company moves through the various stages of investigation, risk assessment, feasibility study and corrective action processes. In certain instances, the Company has developed a range of estimates for such costs and has recorded a liability based on the low end of the range. It is reasonably possible that the actual cost of remediation of the individual sites could vary from the current estimates and the amounts accrued in the consolidated financial statements; however, the amounts of such variances are not expected to result in a material change to the consolidated financial statements. In estimating the Company’s liability for remediation, the Company also considers the likely proportionate share of the anticipated remediation expense and the ability of the other PRPs to fulfill their obligations.

Total environmental reserves at December 31, 2011 and 2010 were $28.0 million and $31.3 million, respectively, for both non-owned and owned sites. In 2011, the Company recorded $1.2 million in reserves. Additionally, the Company spent $4.5 million on environmental matters in 2011. The Company’s reserves for environmental liabilities at December 31, 2011 and 2010 include reserves of $17.5 million and $18.9 million, respectively, for an owned site acquired in connection with the 2005 acquisition of HCC Industries (“HCC”). The Company is the designated performing party for the performance of remedial activities for one of several operating units making up a large Superfund site in the San Gabriel Valley of California. The Company has obtained indemnifications and other financial assurances from the former owners of HCC related to the costs of the required remedial activities. At December 31, 2011, the Company had $14.3 million in receivables related to HCC for probable recoveries from third-party escrow funds and other committed third-party funds to support the required remediation. Also, the Company is indemnified by HCC’s former owners for approximately $19.0 million of additional costs.

The Company has agreements with other former owners of certain of its acquired businesses, as well as new owners of previously owned businesses. Under certain of the agreements, the former or new owners retained, or assumed and agreed to indemnify the Company against, certain environmental and other liabilities under certain circumstances. The Company and some of these other parties also carry insurance coverage for some environmental matters. To date, these parties have met their obligations in all material respects.

The Company believes it has established reserves which are sufficient to perform all known responsibilities under existing claims and consent orders. The Company has no reason to believe that other third parties would fail to perform their obligations in the future. In the opinion of management, based upon presently available information and past experience related to such matters, an adequate provision for probable costs has been made and the ultimate cost resulting from these actions is not expected to materially affect the consolidated results of operations, financial position or cash flows of the Company.

Market Risk

The Company’s primary exposures to market risk are fluctuations in interest rates, foreign currency exchange rates and commodity prices, which could impact its financial condition and results of operations. The Company addresses its exposure to these risks through its normal operating and financing activities. The Company’s differentiated and global business activities help to reduce the impact that any particular market risk may have on its operating income as a whole.

The Company’s short-term debt carries variable interest rates and generally its long-term debt carries fixed rates. These financial instruments are more fully described in the Notes to the Consolidated Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

35

The foreign currencies to which the Company has the most significant exchange rate exposure are the Chinese renminbi, the Euro, the British pound, the Japanese yen and the Mexican peso. Exposure to foreign currency rate fluctuation is monitored, and when possible, mitigated through the occasional use of local borrowings and derivative financial instruments in the foreign country affected. The effect of translating foreign subsidiaries’ balance sheets into U.S. dollars is included in other comprehensive income within stockholders’ equity. Foreign currency transactions have not had a significant effect on the operating results reported by the Company because revenues and costs associated with the revenues are generally transacted in the same foreign currencies.

The primary commodities to which the Company has market exposure are raw material purchases of nickel, aluminum, copper, steel, titanium and gold. Exposure to price changes in these commodities is generally mitigated through adjustments in selling prices of the ultimate product and purchase order pricing arrangements, although forward contracts are sometimes used to manage some of those exposures.

Based on a hypothetical ten percent adverse movement in interest rates, commodity prices or foreign currency exchange rates, the Company’s best estimate is that the potential losses in future earnings, fair value of risk-sensitive financial instruments and cash flows are not material, although the actual effects may differ materially from the hypothetical analysis.

Forward-Looking Information

Certain matters discussed in this Form 10-K are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”), which involve risk and uncertainties that exist in the Company’s operations and business environment and can be affected by inaccurate assumptions, or by known or unknown risks and uncertainties. Many such factors will be important in determining the Company’s actual future results. The Company wishes to take advantage of the “safe harbor” provisions of the PSLRA by cautioning readers that numerous important factors, in some cases have caused, and in the future could cause, the Company’s actual results to differ materially from those expressed in any forward-looking statements made by, or on behalf of, the Company. Some, but not all, of the factors or uncertainties that could cause actual results to differ from present expectations are set forth above and under Item 1A. Risk Factors. The Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, subsequent events or otherwise, unless required by the securities laws to do so.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

Information concerning market risk is set forth under the heading “Market Risk” in Management’s Discussion and Analysis of Financial Condition and Results of Operations herein.

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Item 8. Financial Statements and Supplementary Data

	Page
Index to Financial Statements (Item 15(a) 1)
Reports of Management		38
Reports of Independent Registered Public Accounting Firm		39
Consolidated Statement of Income for the years ended December 31, 2011, 2010 and 2009		41
Consolidated Balance Sheet at December 31, 2011 and 2010		42
Consolidated Statement of Stockholders’ Equity for the years ended December  31, 2011, 2010 and 2009		43
Consolidated Statement of Cash Flows for the years ended December 31, 2011, 2010 and 2009		44
Notes to Consolidated Financial Statements		45

Financial Statement Schedules (Item 15(a) 2)

Financial statement schedules have been omitted because either they are not applicable or the required information is included in the financial statements or the notes thereto.

37

Management’s Responsibility for Financial Statements

Management has prepared and is responsible for the integrity of the consolidated financial statements and related information. The statements are prepared in conformity with U.S. generally accepted accounting principles consistently applied and include certain amounts based on management’s best estimates and judgments. Historical financial information elsewhere in this report is consistent with that in the financial statements.

In meeting its responsibility for the reliability of the financial information, management maintains a system of internal accounting and disclosure controls, including an internal audit program. The system of controls provides for appropriate division of responsibility and the application of written policies and procedures. That system, which undergoes continual reevaluation, is designed to provide reasonable assurance that assets are safeguarded and records are adequate for the preparation of reliable financial data.

Management is responsible for establishing and maintaining adequate internal control over financial reporting. We maintain a system of internal controls that is designed to provide reasonable assurance as to the fair and reliable preparation and presentation of the consolidated financial statements; however, there are inherent limitations in the effectiveness of any system of internal controls.

Management recognizes its responsibility for conducting the Company’s activities according to the highest standards of personal and corporate conduct. That responsibility is characterized and reflected in a code of business conduct for all employees and in a financial code of ethics for the Chief Executive Officer and Senior Financial Officers, as well as in other key policy statements publicized throughout the Company.

The Audit Committee of the Board of Directors, which is composed solely of independent directors who are not employees of the Company, meets with the independent registered public accounting firm, the internal auditors and management to satisfy itself that each is properly discharging its responsibilities. The report of the Audit Committee is included in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders. Both the independent registered public accounting firm and the internal auditors have direct access to the Audit Committee.

The Company’s independent registered public accounting firm, Ernst & Young LLP, is engaged to render an opinion as to whether management’s financial statements present fairly, in all material respects, the Company’s financial position and operating results. This report is included herein.

Management’s Report on Internal Control over Financial Reporting

Management of the Company is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in the Exchange Act Rules 13a-15(f) and 15d-15(f). Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of the Company’s internal control over financial reporting as of December 31, 2011 based on the framework in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based on that evaluation, our management concluded that the Company’s internal control over financial reporting was effective as of December 31, 2011.

The Company’s internal control over financial reporting as of December 31, 2011 has been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in their report, which is included herein.

AMETEK, Inc.

February 23, 2012

38

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

ON INTERNAL CONTROL OVER FINANCIAL REPORTING

To the Board of Directors and Stockholders of AMETEK, Inc.:

We have audited AMETEK, Inc.’s internal control over financial reporting as of December 31, 2011, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (the COSO criteria). AMETEK, Inc.’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, AMETEK, Inc. maintained, in all material respects, effective internal control over financial reporting as of December 31, 2011, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of AMETEK, Inc. as of December 31, 2011 and 2010, and the related consolidated statements of income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2011, and our report dated February 23, 2012 expressed an unqualified opinion thereon.

/s/ ERNST & YOUNG LLP

Philadelphia, Pennsylvania

February 23, 2012

39

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

ON FINANCIAL STATEMENTS

To the Board of Directors and Stockholders of AMETEK, Inc.:

We have audited the accompanying consolidated balance sheets of AMETEK, Inc. as of December 31, 2011 and 2010, and the related consolidated statements of income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2011. 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 financial statements referred to above present fairly, in all material respects, the consolidated financial position of AMETEK, Inc. at December 31, 2011 and 2010, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2011, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), AMETEK, Inc.’s internal control over financial reporting as of December 31, 2011, based on criteria established in Internal Control — Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 23, 2012 expressed an unqualified opinion thereon.

/s/ ERNST & YOUNG LLP

Philadelphia, Pennsylvania

February 23, 2012

40

AMETEK, Inc.

Consolidated Statement of Income

(In thousands, except per share amounts)

	Year Ended December 31,
	2011			2010			2009
Net sales	$	2,989,914		$	2,470,952		$	2,098,355
Operating expenses:
Cost of sales, excluding depreciation		1,955,779			1,646,892			1,435,953
Selling, general and administrative		349,321			296,482			254,143
Depreciation		48,873			45,420			42,209
Total operating expenses		2,353,973			1,988,794			1,732,305
Operating income		635,941			482,158			366,050
Other expenses:
Interest expense		(69,729	)		(67,522	)		(68,750	)
Other, net		(9,570	)		(8,386	)		(2,667	)
Income before income taxes		556,642			406,250			294,633
Provision for income taxes		172,178			122,318			88,863
Net income	$	384,464		$	283,932		$	205,770
Basic earnings per share	$	2.40		$	1.79		$	1.28
Diluted earnings per share	$	2.37		$	1.76		$	1.27
Weighted average common shares outstanding:
Basic shares		160,255			159,056			160,182
Diluted shares		162,108			160,884			161,775

See accompanying notes.

41

AMETEK, Inc.

Consolidated Balance Sheet

(In thousands, except share amounts)

	December 31,
	2011			2010
ASSETS
Current assets:
Cash and cash equivalents	$	170,392		$	163,208
Marketable securities		4,563			5,645
Receivables, less allowance for possible losses		438,245			399,913
Inventories		380,471			335,253
Deferred income taxes		29,268			27,106
Other current assets		36,180			43,367
Total current assets		1,059,119			974,492
Property, plant and equipment, net		325,329			318,126
Goodwill		1,806,237			1,573,645
Other intangibles, net of accumulated amortization		982,957			761,556
Investments and other assets		145,848			191,096
Total assets	$	4,319,490		$	3,818,915
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Short-term borrowings and current portion of long-term debt	$	140,508		$	97,152
Accounts payable		283,068			236,600
Income taxes payable		24,127			39,026
Accrued liabilities		181,172			178,081
Total current liabilities		628,875			550,859
Long-term debt		1,123,416			1,071,360
Deferred income taxes		389,088			311,466
Other long-term liabilities		125,306			110,026
Total liabilities		2,266,685			2,043,711
Stockholders’ equity:
Preferred stock, $0.01 par value; authorized: 5,000,000 shares; none issued		—			—
Common stock, $0.01 par value; authorized: 400,000,000 shares; issued: 2011 — 169,216,075 shares; 2010 — 168,050,869 shares		1,692			1,681
Capital in excess of par value		316,534			263,290
Retained earnings		2,101,615			1,755,742
Accumulated other comprehensive loss		(157,263	)		(91,958	)
Treasury stock: 2011 — 8,844,495 shares; 2010 — 7,341,520 shares		(209,773	)		(153,551	)
Total stockholders’ equity		2,052,805			1,775,204
Total liabilities and stockholders’ equity	$	4,319,490		$	3,818,915

See accompanying notes.

42

AMETEK, Inc.

Consolidated Statement of Stockholders’ Equity

(In thousands)

	Year Ended December 31,
	2011						2010						2009
	Comprehensive Income			Stockholders’ Equity			Comprehensive Income			Stockholders’ Equity			Comprehensive Income		Stockholders’ Equity
Capital Stock
Preferred stock, $0.01 par value				$	—					$	—				$	—
Common stock, $0.01 par value
Balance at the beginning of the year					1,681						1,665					1,653
Shares issued					11						16					12
Balance at the end of the year					1,692						1,681					1,665
Capital in Excess of Par Value
Balance at the beginning of the year					263,290						223,502					202,449
Issuance of common stock under employee stock plans					18,041						14,202					3,455
Share-based compensation costs					22,147						16,596					13,502
Excess tax benefits from exercise of stock options					13,056						8,990					4,096
Balance at the end of the year					316,534						263,290					223,502
Retained Earnings
Balance at the beginning of the year					1,755,742						1,500,471					1,320,470
Net income	$	384,464			384,464		$	283,932			283,932		$	205,770		205,770
Cash dividends paid					(38,366	)					(28,554	)				(25,579	)
Other					(225	)					(107	)				(190	)
Balance at the end of the year					2,101,615						1,755,742					1,500,471
Accumulated Other Comprehensive (Loss) Income
Foreign currency translation:
Balance at the beginning of the year					(41,402	)					(8,096	)				(50,706	)
Translation adjustments		(17,089	)					(29,791	)					38,357
(Loss) gain on net investment hedges, net of tax benefit (expense) of $221, $1,893 and ($2,290) in 2011, 2010 and 2009, respectively		(410	)					(3,515	)					4,253
		(17,499	)		(17,499	)		(33,306	)		(33,306	)		42,610		42,610
Balance at the end of the year					(58,901	)					(41,402	)				(8,096	)
Defined benefit pension plans:
Balance at the beginning of the year					(50,798	)					(67,121	)				(93,360	)
Change in pension plans, net of tax benefit (expense) of $27,117, ($9,938) and ($15,830) in 2011, 2010 and 2009, respectively		(47,635	)		(47,635	)		16,323			16,323			26,239		26,239
Balance at the end of the year					(98,433	)					(50,798	)				(67,121	)
Unrealized holding (loss) gain on available-for-sale securities:
Balance at the beginning of the year					242						(64	)				(701	)
(Decrease) increase during the year, net of tax (expense) benefit of ($92), $165 and $343 in 2011, 2010 and 2009, respectively		(171	)		(171	)		306			306			637		637
Balance at the end of the year					71						242					(64	)
Total other comprehensive (loss) income for the year		(65,305	)					(16,677	)					69,486
Total comprehensive income for the year	$	319,159					$	267,255					$	275,256
Accumulated other comprehensive loss at the end of the year					(157,263	)					(91,958	)				(75,281	)
Treasury Stock
Balance at the beginning of the year					(153,551	)					(83,333	)				(92,033	)
Issuance of common stock under employee stock plans					3,114						8,391					8,700
Purchase of treasury stock					(59,336	)					(78,609	)				—
Balance at the end of the year					(209,773	)					(153,551	)				(83,333	)
Total Stockholders’ Equity				$	2,052,805					$	1,775,204				$	1,567,024

See accompanying notes.

43

AMETEK, Inc.

Consolidated Statement of Cash Flows

(In thousands)

	Year Ended December 31,
	2011			2010			2009
Cash provided by (used for):
Operating activities:
Net income	$	384,464		$	283,932		$	205,770
Adjustments to reconcile net income to total operating activities:
Depreciation and amortization		86,532			72,896			65,500
Deferred income tax expense		12,154			3,774			5,768
Share-based compensation expense		22,147			16,596			13,502
Changes in assets and liabilities, net of acquisitions:
(Increase) decrease in receivables		(12,450	)		(43,179	)		87,146
(Increase) decrease in inventories and other current assets		(11,923	)		7,334			83,622
Increase (decrease) in payables, accruals and income taxes		28,053			77,773			(91,622	)
Increase in other long-term liabilities		550			6,382			3,345
Pension contribution		(5,386	)		(3,555	)		(21,127	)
Other		4,424			1,060			12,767
Total operating activities		508,565			423,013			364,671
Investing activities:
Additions to property, plant and equipment		(50,816	)		(39,183	)		(33,062	)
Purchases of businesses, net of cash acquired		(474,441	)		(538,585	)		(72,919	)
Decrease (increase) in marketable securities		985			(619	)		(638	)
Other		(2,181	)		11,564			275
Total investing activities		(526,453	)		(566,823	)		(106,344	)
Financing activities:
Net change in short-term borrowings		41,550			92,364			(13,013	)
Additional long-term borrowings		58,981			125,120			1,466
Reduction in long-term borrowings		(1,463	)		(78,200	)		(80,817	)
Repurchases of common stock		(59,336	)		(78,609	)		—
Cash dividends paid		(38,366	)		(28,554	)		(25,579	)
Excess tax benefits from share-based payments		13,056			8,990			4,096
Proceeds from employee stock plans and other		17,436			21,518			11,328
Total financing activities		31,858			62,629			(102,519	)
Effect of exchange rate changes on cash and cash equivalents		(6,786	)		(1,967	)		3,568
Increase (decrease) in cash and cash equivalents		7,184			(83,148	)		159,376
Cash and cash equivalents:
Beginning of year		163,208			246,356			86,980
End of year	$	170,392		$	163,208		$	246,356

See accompanying notes.

44

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Significant Accounting Policies

Basis of Consolidation

The accompanying consolidated financial statements reflect the results of operations, financial position and cash flows of AMETEK, Inc. (the “Company”), and include the accounts of the Company and subsidiaries, after elimination of all intercompany transactions in the consolidation. The Company’s investments in 50% or less owned joint ventures are accounted for by the equity method of accounting. Such investments are not significant to the Company’s consolidated results of operations, financial position or cash flows.

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Cash Equivalents, Securities and Other Investments

All highly liquid investments with maturities of three months or less when purchased are considered cash equivalents. At December 31, 2011 and 2010, all of the Company’s equity securities and fixed-income securities (primarily those of a captive insurance subsidiary) are classified as “available-for-sale,” although the Company may hold fixed-income securities until their maturity dates. Fixed-income securities generally mature within three years. The aggregate market value of equity and fixed-income securities at December 31, 2011 and 2010 was $7.3 million ($7.3 million amortized cost) and $4.7 million ($4.5 million amortized cost), respectively. The temporary unrealized gain or loss on such securities is recorded as a separate component of accumulated other comprehensive income (in stockholders’ equity), and is not significant. Certain of the Company’s other investments, which are not significant, are also accounted for by the equity method of accounting as discussed above.

Accounts Receivable

The Company maintains allowances for estimated losses resulting from the inability of specific customers to meet their financial obligations to the Company. A specific reserve for doubtful receivables is recorded against the amount due from these customers. For all other customers, the Company recognizes reserves for doubtful receivables based on the length of time specific receivables are past due based on past experience. The allowance for possible losses on receivables was $7.8 million and $6.0 million at December 31, 2011 and 2010, respectively. See Note 7.

Inventories

The Company uses the first-in, first-out (“FIFO”) method of accounting, which approximates current replacement cost, for 74% of its inventories at December 31, 2011. The last-in, first-out (“LIFO”) method of accounting is used to determine cost for the remaining 26% of the Company’s inventory at December 31, 2011. For inventories where cost is determined by the LIFO method, the excess of the FIFO value over the LIFO value was $25.1 million and $23.9 million at December 31, 2011 and 2010, respectively. The Company provides estimated inventory reserves for slow-moving and obsolete inventory based on current assessments about future demand, market conditions, customers who may be experiencing financial difficulties and related management initiatives.

45

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Expenditures for additions to plant facilities, or that extend their useful lives, are capitalized. The cost of minor tools, jigs and dies, and maintenance and repairs is charged to expense as incurred. Depreciation of plant and equipment is calculated principally on a straight-line basis over the estimated useful lives of the related assets. The range of lives for depreciable assets is generally three to ten years for machinery and equipment, five to 27 years for leasehold improvements and 25 to 50 years for buildings.

Revenue Recognition

The Company recognizes revenue on product sales in the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, under which title and risk of loss have been transferred, collectability is reasonably assured and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The policy, with respect to sales returns and allowances, generally provides that the customer may not return products or be given allowances, except at the Company’s option. The Company has agreements with distributors that do not provide expanded rights of return for unsold products. The distributor purchases the product from the Company, at which time title and risk of loss transfers to the distributor. The Company does not offer substantial sales incentives and credits to its distributors other than volume discounts. The Company accounts for these sales incentives as a reduction of revenues when the sale is recognized in the income statement. Accruals for sales returns, other allowances and estimated warranty costs are provided at the time revenue is recognized based upon past experience. At December 31, 2011, 2010 and 2009, the accrual for future warranty obligations was $22.5 million, $18.3 million and $16.0 million, respectively. The Company’s expense for warranty obligations was $13.2 million in 2011, $10.6 million in 2010 and $8.2 million in 2009. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses.

Research and Development

Company-funded research and development costs are charged to expense as incurred and were $78.0 million in 2011, $56.8 million in 2010 and $50.5 million in 2009.

Shipping and Handling Costs

Shipping and handling costs are included in cost of sales and were $35.9 million in 2011, $33.3 million in 2010 and $24.6 million in 2009.

46

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Earnings Per Share

The calculation of basic earnings per share is based on the weighted average number of common shares considered outstanding during the periods. The calculation of diluted earnings per share reflects the effect of all potentially dilutive securities (principally outstanding stock options and restricted stock grants). The number of weighted average shares used in the calculation of basic earnings per share and diluted earnings per share was as follows for the years ended December 31:

	2011		2010		2009
	(In thousands)
Weighted average shares:
Basic shares		160,255		159,056		160,182
Equity-based compensation plans		1,853		1,828		1,593
Diluted shares		162,108		160,884		161,775

Financial Instruments and Foreign Currency Translation

Assets and liabilities of foreign operations are translated using exchange rates in effect at the balance sheet date and their results of operations are translated using average exchange rates for the year. Certain transactions of the Company and its subsidiaries are made in currencies other than their functional currency. Exchange gains and losses from those transactions are included in operating results for the year.

The Company makes infrequent use of derivative financial instruments. Forward contracts are entered into from time to time to hedge specific firm commitments for certain inventory purchases or export sales, thereby minimizing the Company’s exposure to raw material commodity price or foreign currency fluctuation. No forward contracts were outstanding at December 31, 2011 or 2010. In instances where transactions are designated as hedges of an underlying item, the gains and losses on those transactions are included in accumulated other comprehensive income (“AOCI”) within stockholders’ equity to the extent they are effective as hedges. The Company has designated certain foreign-currency-denominated long-term borrowings as hedges of the net investment in certain foreign operations. As of December 31, 2011, these net investment hedges are the Company’s British-pound-denominated long-term debts, pertaining to certain of its investments in 100% owned subsidiaries whose functional currency is the British pound. As of December 31, 2010, these net investment hedges included the British-pound- and Euro-denominated long-term debts. These borrowings were designed to create net investment hedges in each of the foreign subsidiaries. The Company designated the British-pound- and Euro-denominated loans referred to above as hedging instruments to offset translation gains or losses on the net investment due to changes in the British pound and Euro exchange rates. These net investment hedges were evidenced by management’s documentation supporting the contemporaneous hedge designation on the acquisition dates. Any gain or loss on the hedging instrument (the debt) following hedge designation, is reported in AOCI in the same manner as the translation adjustment on the investment based on changes in the spot rate, which is used to measure hedge effectiveness. As of December 31, 2011 and 2010, all net investment hedges were effective. At December 31, 2011, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. At December 31, 2010, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. An evaluation of hedge effectiveness is performed by the Company on an ongoing basis and any changes in the hedge are made as appropriate. See Note 4.

47

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Share-Based Compensation

The Company accounts for share-based payments in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification Topic 718, Compensation–Stock Compensation. Accordingly, the Company expenses the fair value of awards made under its share-based plans. That cost is recognized in the consolidated financial statements over the requisite service period of the grants. See Note 11.

Goodwill and Other Intangible Assets

Goodwill and other intangible assets with indefinite lives, primarily trademarks and trade names, are not amortized; rather, they are tested for impairment at least annually.

The Company identifies its reporting units at the component level, which is one level below our operating segments. Generally, goodwill arises from acquisitions of specific operating companies and is assigned to the reporting unit in which a particular operating company resides. Our reporting units are composed of business units and are one level below our operating segment and for which discrete financial information is prepared and regularly reviewed by segment management.

The Company principally relies on a discounted cash flow analysis to determine the fair value of each reporting unit, which considers forecasted cash flows discounted at an appropriate discount rate. The Company believes that market participants would use a discounted cash flow analysis to determine the fair value of its reporting units in a sales transaction. The annual goodwill impairment test requires the Company to make a number of assumptions and estimates concerning future levels of revenue growth, operating margins, depreciation, amortization and working capital requirements, which are based upon the Company’s long-range plan. The Company’s long-range plan is updated as part of its annual planning process and is reviewed and approved by management. The discount rate is an estimate of the overall after-tax rate of return required by a market participant whose weighted average cost of capital includes both equity and debt, including a risk premium. While the Company uses the best available information to prepare its cash flow and discount rate assumptions, actual future cash flows or market conditions could differ significantly resulting in future impairment charges related to recorded goodwill balances.

The impairment test for indefinite-lived intangibles other than goodwill (primarily trademarks and trade names) consists of a comparison of the fair value of the indefinite-lived intangible asset to the carrying value of the asset as of the impairment testing date. The Company estimates the fair value of its indefinite-lived intangibles using the relief from royalty method. The fair value derived from the relief from royalty method is measured as the discounted cash flow savings realized from owning such trademarks and trade names and not having to pay a royalty for their use.

The Company completed its required annual impairment tests in the fourth quarter of 2011, 2010 and 2009 and determined that the carrying values of goodwill and other intangible assets with indefinite lives were not impaired.

The Company evaluates impairment of its long-lived assets, other than goodwill and indefinite-lived intangible assets when events or changes in circumstances indicate the carrying value may not be recoverable. The carrying value of a long-lived asset group is considered impaired when the total projected undiscounted cash flows from such asset group are separately identifiable and are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of the long-lived asset group. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group. Losses on long-lived assets held for sale, other than goodwill and indefinite-lived intangible assets, are determined in a similar manner, except that fair market values are reduced for disposal costs.

48

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Intangible assets, other than goodwill, with definite lives are amortized over their estimated useful lives. Patents are being amortized over useful lives of four to 20 years. Customer relationships are being amortized over a period of five to 20 years. Miscellaneous other intangible assets are being amortized over a period of three to 20 years. The Company periodically evaluates the reasonableness of the estimated useful lives of these intangible assets.

Income Taxes

The Company’s annual provision for income taxes and determination of the related balance sheet accounts requires management to assess uncertainties, make judgments regarding outcomes and utilize estimates. The Company conducts a broad range of operations around the world and is therefore subject to complex tax regulations in numerous international taxing jurisdictions, resulting at times in tax audits, disputes and potential litigation, the outcome of which is uncertain. Management must make judgments currently about such uncertainties and determine estimates of the Company’s tax assets and liabilities. To the extent the final outcome differs, future adjustments to the Company’s tax assets and liabilities may be necessary. The Company recognizes interest and penalties accrued related to uncertain tax positions in income tax expense.

The Company also is required to assess the realizability of its deferred tax assets, taking into consideration the Company’s forecast of future taxable income, the reversal of other existing temporary differences, available net operating loss carryforwards and available tax planning strategies that could be implemented to realize the deferred tax assets. Based on this assessment, management must evaluate the need for, and amount of, valuation allowances against the Company’s deferred tax assets. To the extent facts and circumstances change in the future, adjustments to the valuation allowances may be required.

2. Recent Accounting Pronouncements

In January 2010, the FASB issued Accounting Standards Update (“ASU”) No. 2010-06, Fair Value Measurements and Disclosures (“ASU 2010-06”). ASU 2010-06 provides amendments that clarify existing disclosures and require new disclosures related to fair value measurements, providing greater disaggregated information on each class of assets and liabilities and more robust disclosures on transfers between levels 1 and 2, and activity in level 3 fair value measurements. The Company adopted the applicable provisions within ASU 2010-06 effective January 1, 2010. The Company adopted the level 3 disclosure requirements of ASU 2010-06 that are effective for fiscal years beginning after December 15, 2010 and for interim periods within those fiscal years as of January 1, 2011. The adoption of ASU 2010-06 did not have a significant impact on the Company’s fair value disclosures.

In April 2010, the FASB issued ASU No. 2010-17, Revenue Recognition — Milestone Method (“ASU 2010-17”). ASU 2010-17 establishes criteria for a milestone to be considered substantive and allows revenue recognition when the milestone is achieved in research or development arrangements. In addition, it requires disclosure of certain information with respect to arrangements that contain milestones. ASU 2010-17 was effective on January 1, 2011 for the Company and the adoption did not have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

In December 2010, the FASB issued ASU No. 2010-29, Business Combinations (“ASU 2010-29”). ASU 2010-29 addresses diversity in practice about the interpretation of the pro forma disclosure requirement for business combinations. ASU 2010-29 requires disclosure of pro forma revenue and earnings for the current reporting period as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period for both the current and any comparable periods reported. The Company adopted the disclosure requirements of ASU 2010-29 effective January 1, 2011. See Note 5.

49

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

In May 2011, the FASB issued ASU No. 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”). ASU 2011-04 amendments result in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (“IFRSs”). ASU 2011-04 is effective for fiscal years beginning after December 15, 2011. The Company has evaluated ASU 2011-04 and does not expect its adoption will have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income (“ASU 2011-05”). ASU 2011-05 requires that all nonowner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two-statement approach, the first statement should present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. These amendments do not change the items that must be reported in other comprehensive income. The Company is currently evaluating the impact of adopting ASU 2011-05 that is effective for fiscal years beginning after December 15, 2011 and does not expect its adoption to impact the Company’s consolidated financial statements other than the change in presentation.

In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment (“ASU 2011-08”). The amendments in ASU 2011-08 permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in FASB Accounting Standards Codification Topic 350, Intangibles — Goodwill and Other. ASU 2011-08 is effective for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impacts of adopting ASU 2011-08 and intends to adopt ASU 2011-08 for the year ending December 31, 2012.

3. Fair Value Measurement

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

The Company utilizes a valuation hierarchy for disclosure of the inputs to the valuations used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. Level 3 inputs are unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value. A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

At December 31, 2011, $0.2 million of the Company’s marketable securities are valued as level 1 investments. In addition, the Company held $4.4 million of marketable securities in an institutional diversified equity securities mutual fund. These securities are valued as level 2 investments. The marketable securities are shown as a separate line on the consolidated balance sheet. For the year ended December 31, 2011, gains and losses on the investments noted above were not significant. No transfers between level 1 and level 2 investments occurred during the year ended December 31, 2011.

50

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Fair value of the institutional equity securities mutual fund was estimated using the net asset value of the Company’s ownership interests in the fund’s capital. The mutual fund seeks to provide long-term growth of capital by investing primarily in equity securities traded on U.S. exchanges and issued by large, established companies across many business sectors. There are no restrictions on the Company’s ability to redeem these equity securities investments.

4. Hedging Activities

The Company has designated certain foreign-currency-denominated long-term borrowings as hedges of the net investment in certain foreign operations. As of December 31, 2011, these net investment hedges are the Company’s British-pound-denominated long-term debt, pertaining to certain of its investments in 100% owned subsidiaries whose functional currency is the British pound. As of December 31, 2010, these net investment hedges included the British-pound- and Euro-denominated long-term debts. These borrowings were designed to create net investment hedges in each of the foreign subsidiaries. The Company designated the British-pound- and Euro-denominated loans referred to above as hedging instruments to offset translation gains or losses on the net investment due to changes in the British pound and Euro exchange rates. These net investment hedges were evidenced by management’s documentation supporting the contemporaneous hedge designation on the acquisition dates. Any gain or loss on the hedging instrument (the debt) following hedge designation is reported in accumulated other comprehensive income in the same manner as the translation adjustment on the investment based on changes in the spot rate, which is used to measure hedge effectiveness.

At December 31, 2011 and 2010, the Company had $186.5 million and $187.2 million, respectively, of British-pound-denominated loans, which are designated as a hedge against the net investment in foreign subsidiaries acquired in 2008, 2006, 2004 and 2003. At December 31, 2010, the Company had a $66.9 million Euro-denominated loan, which was designated as a hedge against the net investment in a foreign subsidiary acquired in 2005. As a result of these British-pound- and Euro-denominated loans being designated and effective as net investment hedges, $0.7 million and $9.9 million of currency remeasurement gains have been included in the foreign currency translation component of other comprehensive income at December 31, 2011 and 2010, respectively.

5. Acquisitions

In 2011, the Company spent $474.9 million in cash, net of cash acquired, to acquire Avicenna Technology, Inc. (“Avicenna”) in April 2011, Coining Holding Company (“Coining”) in May 2011, Reichert Technologies and EM Test (Switzerland) GmbH in October 2011 and Technical Manufacturing Corporation (“TMC”) in December 2011. Avicenna is a supplier of custom, fine-featured components used in the medical device industry. Coining is a leading supplier of custom-shaped metal preforms, microstampings and bonding wire solutions for interconnect applications in microelectronics packaging and assembly. Reichert Technologies is a manufacturer of analytical instruments and diagnostic devices for the eye care market. EM Test is a manufacturer of advanced monitoring, testing, calibrating and display instruments. TMC is a world leader in high-performance vibration isolation systems and optical test benches used to isolate highly sensitive instruments for the microelectronics, life sciences, photonics and ultra-precision manufacturing industries. Avicenna and Coining are part of AMETEK’s Electromechanical Group (“EMG”) and Reichert Technologies, EM Test and TMC are part of AMETEK’s Electronic Instruments Group (“EIG”).

The operating results of the above acquisitions have been included in the Company’s consolidated results from the respective dates of acquisitions.

51

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table represents the allocation of the aggregate purchase price for the net assets of the above acquisitions based on their estimated fair value at December 31, 2011 (in millions):

Property, plant and equipment	$	13.6
Goodwill		238.1
Other intangible assets		260.0
Deferred income taxes		(37.0	)
Net working capital and other*		0.2
Total purchase price	$	474.9

* Includes $28.3 million in accounts receivable, whose fair value, contractual cash flows and expected cash flows are approximately equal.

The amount allocated to goodwill is reflective of the benefits the Company expects to realize from the acquisitions as follows: Avicenna provides the Company with additional expertise in producing fine-featured catheter and other medical components for leads, guide wires and custom medical assemblies. Avicenna complements the Company’s medical device market businesses and is an excellent fit with its Technical Services for Electronics (“TSE”) business, which was acquired in 2010. The combination of these two businesses positions AMETEK as the only medical interconnects provider with integrated capabilities for the catheter, cardiac and neurostimulation markets. Coining is a global leader in custom-shaped preforms, microstampings and wire used for joining electronic circuitry, packaging microelectronics and providing thermal protection and electric conductivity for a wide range of electronic devices. Coining’s products are used in highly engineered applications for the RF/microwave, photonics, medical, aerospace and defense, and general electronics industries. Coining is an excellent fit with the engineered materials, interconnects and packaging businesses. Reichert Technologies is a leader and innovator in high-technology instruments used by ophthalmologists, optometrists, and opticians for vision correction and the screening and diagnosis of eye diseases such as glaucoma and macular degeneration. EM Test is a global leader in equipment used to perform electrical immunity and electromagnetic compatibility testing. EM Test provides a valuable platform for growth in the highly attractive markets for electrical immunity testing and emissions measurement. Its products are used in test applications by a wide range of industries to ensure that electronic and electrical products are not susceptible to external electromagnetic disturbances and do not generate electromagnetic disturbances that might affect other products or instruments. TMC serves the leading manufacturers of life sciences, photonics and semiconductor equipment with a broad range of custom active piezoelectric vibration cancellation systems, based on their patented active piezo technology. TMC also supplies passive vibration cancellation systems, optical test tables, acoustic isolation hoods and magnetic isolation hoods. TMC is an excellent fit with the Company’s high-end analytical instruments businesses and further broadens the Company’s product offerings and expertise in ultra precision manufacturing. The Company expects approximately $47.0 million of the goodwill recorded in connection with 2011 acquisitions will be tax deductible in future years.

The Company is in the process of finalizing the deferred taxes for its fourth quarter 2011 acquisitions of Reichert Technologies, EM Test and TMC. Additionally, the Company is in the process of finalizing its third-party valuations of certain tangible and intangible assets related to its TMC acquisition. The Company recorded $2.5 million in contingent liabilities for the TMC acquisition primarily related to final tax true ups tied to, among other things, the final third-party valuation.

At December 31, 2011, purchase price allocated to other intangible assets of $260.0 million consists of $63.0 million of indefinite-lived intangible trademarks and trade names, which are not subject to amortization.

52

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The remaining $197.0 million of other intangible assets consist of $178.9 million of customer relationships, which are being amortized over a period of 12 to 20 years and $18.1 million of purchased technology and other, which are being amortized over a period of three to 20 years. Amortization expense for each of the next five years for the 2011 acquisitions listed above is expected to approximate $11.1 million per year.

In 2010, the Company spent $538.6 million in cash, net of cash acquired, to acquire TSE in June 2010, Haydon Enterprises in July 2010, Atlas Material Testing Technology LLC (“Atlas”) in November 2010, as well as the small acquisitions of Sterling Ultra Precision in January 2010, Imago Scientific Instruments in April 2010 and American Reliance’s Power Division in August 2010. TSE is a manufacturer of engineered interconnect solutions for the medical device industry. Haydon Enterprises is a leader in linear actuators and lead screw assemblies for the medical, industrial equipment, aerospace, analytical instrument, computer peripheral and semiconductor industries. Atlas is the world’s leading provider of weathering test instruments and related testing and consulting services. Atlas is a part of EIG and TSE and Haydon Enterprises are part of EMG.

The 2011 acquisitions noted above had an immaterial impact on reported net sales, net income and diluted earnings per share for the year ended December 31, 2011. Had the 2011 acquisitions been made at the beginning of 2011 or 2010, unaudited pro forma net sales, net income and diluted earnings per share for the years ended December 31, 2011 and 2010, respectively, would not have been materially different than the amounts reported. Pro forma results are not necessarily indicative of the results that would have occurred if the acquisitions had been completed at the beginning of 2011 or 2010.

In 2009, the Company spent $72.9 million in cash, net of cash acquired, to acquire High Standard Aviation in January 2009, a small acquisition of two businesses in India, Unispec Marketing Pvt. Ltd. and Thelsha Technical Services Pvt. Ltd., in September 2009 and Ameron Global in December 2009. High Standard Aviation is a provider of electrical and electromechanical, hydraulic and pneumatic repair services to the aerospace industry. Ameron Global is a manufacturer of highly engineered pressurized gas components and systems for commercial and aerospace customers and is also a leader in maintenance, repair and overhaul of fire suppression and oxygen supply systems. High Standard Aviation and Ameron Global are a part of EMG.

Acquisitions Subsequent to December 31, 2011

In January 2012, the Company acquired O’Brien Corporation, a leading manufacturer of fluid and gas handling solutions, sample conditioning equipment and process analyzers. O’Brien was acquired for approximately $175 million and has estimated annual sales of approximately $80 million. O’Brien’s products and solutions are used in critical applications in process industries worldwide. O’Brien’s product lines are both highly differentiated and highly complementary to AMETEK’s process instruments businesses and will join EIG.

53

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

6. Goodwill and Other Intangible Assets

The changes in the carrying amounts of goodwill by segment were as follows:

	EIG			EMG			Total
	(In millions)
Balance at December 31, 2009	$	746.9		$	530.4		$	1,277.3
Goodwill acquired		105.2			208.3			313.5
Purchase price allocation adjustments and other		25.8			(24.3	)		1.5
Foreign currency translation adjustments		(13.5	)		(5.2	)		(18.7	)
Balance at December 31, 2010		864.4			709.2			1,573.6
Goodwill acquired		135.7			102.4			238.1
Purchase price allocation adjustments and other		3.7			(2.0	)		1.7
Foreign currency translation adjustments		(6.1	)		(1.1	)		(7.2	)
Balance at December 31, 2011	$	997.7		$	808.5		$	1,806.2

Other intangible assets were as follows at December 31:

	2011			2010
	(In thousands)
Definite-lived intangible assets (subject to amortization):
Patents	$	53,048		$	52,403
Purchased technology		124,773			107,170
Customer lists		657,152			479,943
Other acquired intangibles		24,865			25,944
		859,838			665,460
Accumulated amortization:
Patents		(30,913	)		(28,687	)
Purchased technology		(33,819	)		(28,026	)
Customer lists		(97,832	)		(70,982	)
Other acquired intangibles		(22,057	)		(20,825	)
		(184,621	)		(148,520	)
Net intangible assets subject to amortization		675,217			516,940
Indefinite-lived intangible assets (not subject to amortization):
Trademarks and trade names		307,740			244,616
	$	982,957		$	761,556

Amortization expense was $37.6 million, $27.5 million and $23.3 million for the years ended December 31, 2011, 2010 and 2009, respectively. Amortization expense for each of the next five years is expected to approximate $45.0 million per year, not considering the impact of potential future acquisitions.

54

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

7. Other Consolidated Balance Sheet Information

	December 31,
	2011			2010
	(In thousands)
INVENTORIES
Finished goods and parts	$	70,315		$	46,953
Work in process		72,676			73,556
Raw materials and purchased parts		237,480			214,744
	$	380,471		$	335,253
PROPERTY, PLANT AND EQUIPMENT
Land	$	32,172		$	32,634
Buildings		211,060			209,019
Machinery and equipment		679,446			651,883
		922,678			893,536
Less: Accumulated depreciation		(597,349	)		(575,410	)
	$	325,329		$	318,126
ACCRUED LIABILITIES
Employee compensation and benefits	$	75,051		$	71,957
Severance and lease termination		11,614			18,143
Product warranty obligation		22,466			18,347
Other		72,041			69,634
	$	181,172		$	178,081

	2011			2010			2009
	(In thousands)
ALLOWANCES FOR POSSIBLE LOSSES ON ACCOUNTS AND NOTES RECEIVABLE
Balance at the beginning of the year	$	6,047		$	5,788		$	8,489
Additions charged to expense		2,458			1,466			1,139
Recoveries credited to allowance		11			120			70
Write-offs		(585	)		(1,036	)		(4,520	)
Currency translation adjustments and other		(91	)		(291	)		610
Balance at the end of the year	$	7,840		$	6,047		$	5,788

55

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

8. Income Taxes

The components of income before income taxes and the details of the provision for income taxes were as follows for the years ended December 31:

	2011			2010			2009
	(In thousands)
Income before income taxes:
Domestic	$	366,654		$	266,783		$	207,831
Foreign		189,988			139,467			86,802
Total	$	556,642		$	406,250		$	294,633
Provision for income taxes:
Current:
Federal	$	103,598		$	70,008		$	58,247
Foreign		39,516			37,514			22,123
State		16,910			11,022			2,725
Total current		160,024			118,544			83,095
Deferred:
Federal		14,051			7,071			7,024
Foreign		(2,508	)		(3,105	)		(1,464	)
State		611			(192	)		208
Total deferred		12,154			3,774			5,768
Total provision	$	172,178		$	122,318		$	88,863

56

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Significant components of the deferred tax (asset) liability were as follows at December 31:

	2011			2010
	(In thousands)
Current deferred tax (asset) liability:
Reserves not currently deductible	$	(20,874	)	$	(19,795	)
Share-based compensation		(4,234	)		(4,989	)
Net operating loss carryforwards		(2,264	)		(2,344	)
Foreign tax credit carryforwards		—			(2,018	)
Other		(1,896	)		2,040
Net current deferred tax asset	$	(29,268	)	$	(27,106	)
Noncurrent deferred tax (asset) liability:
Differences in basis of property and accelerated depreciation	$	27,329		$	28,697
Reserves not currently deductible		(22,822	)		(21,953	)
Pensions		8,720			31,927
Differences in basis of intangible assets and accelerated amortization		376,986			287,645
Net operating loss carryforwards		(1,241	)		(9,077	)
Share-based compensation		(8,548	)		(10,422	)
Foreign tax credit carryforwards		(331	)		—
Other		8,581			(494	)
		388,674			306,323
Less: Valuation allowance		414			5,143
Net noncurrent deferred tax liability		389,088			311,466
Net deferred tax liability	$	359,820		$	284,360

The Company’s effective tax rate reconciles to the U.S. Federal statutory rate as follows for the years ended December 31:

	2011			2010			2009
U.S. Federal statutory rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal income tax benefit		2.0			1.9			0.4
Foreign operations, net		(4.9	)		(3.4	)		(4.2	)
Other		(1.2	)		(3.4	)		(1.0	)
Consolidated effective tax rate		30.9	%		30.1	%		30.2	%

At December 31, 2011, there has been no provision for U.S. deferred income taxes for the undistributed earnings of certain non-U.S. subsidiaries, which total approximately $410.3 million at December 31, 2011, because the Company intends to reinvest these earnings indefinitely in operations outside the United States. Upon distribution of those earnings to the United States, the Company would be subject to U.S. income taxes and withholding taxes payable to the various foreign countries. Determination of the amount of the unrecognized deferred income tax liability on these undistributed earnings is not practicable. At December 31, 2010, the Company had $5.7 million of deferred income taxes for undistributed earnings of certain non-U.S. subsidiaries that were distributed during 2011.

57

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

At December 31, 2011, the Company had tax benefits of $3.5 million related to net operating loss carryforwards, which will be available to offset future income taxes payable, subject to certain annual or other limitations based on foreign and U.S. tax laws. This amount includes net operating loss carryforwards of $0.2 million for federal income tax purposes with no valuation allowance, $3.0 million for state income tax purposes with a valuation allowance of $0.1 million, and $0.3 million for foreign income tax purposes with no valuation allowance. These net operating loss carryforwards, if not used, will expire between 2012 and 2032. As of December 31, 2011, the Company had $0.3 million of U.S. foreign tax credit carryforwards.

The Company maintains a valuation allowance to reduce certain deferred tax assets to amounts that are more likely than not to be realized. This allowance primarily relates to the deferred tax assets established for state tax credits and net operating loss carryforwards. In 2011, the Company recorded a decrease of $4.7 million in the valuation allowance primarily related to a reduction for net operating losses that are no longer available as well as a valuation allowance related to state research and development credits that are now expected to be utilized.

At December 31, 2011, the Company had gross unrecognized tax benefits of $28.5 million, of which $25.9 million, if recognized, would impact the effective tax rate. At December 31, 2010, the Company had gross unrecognized tax benefits of $22.8 million, of which $18.3 million, if recognized, would impact the effective tax rate.

At December 31, 2011 and 2010, the Company reported $7.2 million and $6.1 million, respectively, related to interest and penalty exposure as accrued income tax expense in the consolidated balance sheet. During 2011, 2010 and 2009, the Company recognized $1.1 million of expense, $1.9 million of expense and $0.7 million of income, respectively, for interest and penalties related to uncertain tax positions in the income statement as a component of income tax expense.

The most significant tax jurisdiction for the Company is the United States. The Company files income tax returns in various state and foreign tax jurisdictions, in some cases for multiple legal entities per jurisdiction. Generally, the Company has open tax years subject to tax audit on average of between three and six years in these jurisdictions. At December 31, 2011, the Internal Revenue Service (“IRS”) has been and is continuing to examine the Company’s U.S. income tax returns for the years 2006 through 2009. The IRS previously completed the examination of the Company’s U.S. income tax returns for the years 2006 and 2007, however, the periods were reopened by the Company for a limited scope examination of the research and development credit. The Company has not materially extended any other statutes of limitation for any significant location and has reviewed and accrued for, where necessary, tax liabilities for open periods including state and foreign jurisdictions that remain subject to examination. There have been no penalties asserted or imposed by the IRS related to substantial understatement of income, gross valuation misstatement or failure to disclose a listed or reportable transaction.

During 2011, the Company added $9.6 million of tax, interest and penalties related to 2011 activity for identified uncertain tax positions and reversed $2.9 million of tax and interest related to statute expirations and settlement of prior uncertain positions. During 2010, the Company added $5.4 million of tax, interest and penalties related to 2010 activity for identified uncertain tax positions and reversed $8.4 million of tax and interest related to statute expirations and settlement of prior uncertain positions.

58

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following is a reconciliation of the liability for uncertain tax positions at December 31:

	2011			2010			2009
	(In millions)
Balance at the beginning of the year	$	22.8		$	26.5		$	18.6
Additions for tax positions related to the current year		1.4			1.2			8.8
Additions for tax positions of prior years		6.5			2.7			2.5
Reductions for tax positions of prior years		(2.0	)		(3.5	)		(1.4	)
Reductions related to settlements with taxing authorities		—			(4.1	)		(2.0	)
Reductions due to statute expirations		(0.2	)		—			—
Balance at the end of the year	$	28.5		$	22.8		$	26.5

In 2011, the additions above primarily reflect the increase in tax liabilities for uncertain tax positions related to certain foreign activities, while the reductions above primarily relate to a revised UK tax claim and tax paid as a result of a foreign dividend payment. At December 31, 2011, tax, interest and penalties of $30.4 million were classified as a noncurrent liability. The net increase in uncertain tax positions for the year ended December 31, 2011 resulted in an increase to income tax expense of $3.2 million.

9. Debt

Long-term debt consisted of the following at December 31:

	2011			2010
	(In thousands)
U.S. dollar 6.59% senior notes due September 2015	$	90,000		$	90,000
U.S. dollar 6.69% senior notes due December 2015		35,000			35,000
U.S. dollar 6.20% senior notes due December 2017		270,000			270,000
U.S. dollar 6.35% senior notes due July 2018		80,000			80,000
U.S. dollar 7.08% senior notes due September 2018		160,000			160,000
U.S. dollar 7.18% senior notes due December 2018		65,000			65,000
U.S. dollar 6.30% senior notes due December 2019		100,000			100,000
British pound 5.99% senior note due November 2016		62,170			62,396
British pound 4.68% senior note due September 2020		124,339			124,792
Euro 3.94% senior note due August 2015		64,800			66,850
Swiss franc 2.44% senior note due December 2021		58,686			—
Revolving credit loan		134,200			92,000
Other, principally foreign		19,729			22,474
Total debt		1,263,924			1,168,512
Less: Current portion		(140,508	)		(97,152	)
Total long-term debt	$	1,123,416		$	1,071,360

Maturities of long-term debt outstanding at December 31, 2011 were as follows: $2.3 million in 2013; $1.8 million in 2014; $191.2 million in 2015; $64.3 million in 2016; $270.0 million in 2017; and $593.8 million in 2018 and thereafter.

59

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

In the third quarter of 2010, the Company paid in full an expiring 50 million British pound ($78.2 million) 5.96% senior note.

In December 2007, the Company issued $270 million in aggregate principal amount of 6.20% private placement senior notes due December 2017 and $100 million in aggregate principal amount of 6.30% private placement senior notes due December 2019. In July 2008, the Company issued $80 million in aggregate principal amount of 6.35% private placement senior notes due July 2018. In September 2008, the Company issued $90 million in aggregate principal amount of 6.59% private placement senior notes due September 2015 and $160 million in aggregate principal amount of 7.08% private placement senior notes due September 2018. In December 2008, the Company issued $35 million in aggregate principal amount of 6.69% private placement senior notes due December 2015 and $65 million in aggregate principal amount of 7.18% private placement senior notes due December 2018.

In September 2005, the Company issued a 50 million Euro ($64.8 million at December 31, 2011) 3.94% senior note due August 2015. In November 2004, the Company issued a 40 million British pound ($62.2 million at December 31, 2011) 5.99% senior note due November 2016. In September 2010, the Company issued an 80 million British pound ($124.3 million at December 31, 2011) 4.68% senior note due September 2020. In December 2011, the Company issued a 55 million Swiss franc ($58.7 million at December 31, 2011) 2.44% senior note due December 2021.

In September 2011, the Company completed a new five-year revolving credit facility with a total borrowing capacity of $700 million, which excludes an accordion feature that permits the Company to request up to an additional $200 million in revolving credit commitments at any time during the life of the revolving credit agreement under certain conditions. The revolving credit facility places certain restrictions on allowable additional indebtedness. The new revolving credit facility replaced a $450 million total borrowing capacity revolving credit facility, which excluded a $100 million accordion feature, that was due to expire in June 2012. At December 31, 2011, the Company had available borrowing capacity of $742.7 million under its revolving credit facility, including the $200 million accordion feature.

Interest rates on outstanding loans under either the current or replaced revolving credit facility are at the applicable London Interbank Offered Rate (“LIBOR”) plus a negotiated spread, or at the U.S. prime rate. At December 31, 2011 and 2010, the Company had $134.2 million and $92.0 million, respectively, of borrowings outstanding under the revolving credit facility. The weighted average interest rate on the revolving credit facility for the years ended December 31, 2011 and 2010 was 1.10% and 0.82%, respectively. The Company had outstanding letters of credit totaling $25.9 million and $22.6 million at December 31, 2011 and 2010, respectively.

The private placements, the senior notes and the revolving credit facility are subject to certain customary covenants, including financial covenants that, among other things, require the Company to maintain certain debt-to-EBITDA and interest coverage ratios. The Company was in compliance with all provisions of the debt arrangements at December 31, 2011.

Foreign subsidiaries of the Company had available credit facilities with local foreign lenders of $56.0 million at December 31, 2011. Foreign subsidiaries had debt outstanding at December 31, 2011 totaling $19.7 million, including $13.4 million reported in long-term debt.

The weighted average interest rate on total debt outstanding at December 31, 2011 and 2010 was 6.0% and 6.3%, respectively.

60

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

10. Financial Instruments

The estimated fair values of the Company’s financial instruments are compared below to the recorded amounts at December 31, 2011 and 2010. Cash, cash equivalents and marketable securities are recorded at fair value at December 31, 2011 and 2010 in the accompanying consolidated balance sheet.

	Asset (Liability)
	December 31, 2011						December 31, 2010
	Recorded Amount			Fair Value			Recorded Amount			Fair Value
	(In thousands)
Fixed-income investments	$	2,811		$	2,811		$	—		$	—
Short-term borrowings		(135,892	)		(135,892	)		(95,904	)		(95,904	)
Long-term debt (including current portion)		(1,128,032	)		(1,298,503	)		(1,072,608	)		(1,176,399	)

The fair value of fixed-income investments is based on quoted market prices. The fair value of short-term borrowings approximates the carrying value. The Company’s long-term debt is all privately held with no public market for this debt, therefore, the fair value of long-term debt was computed based on comparable current market data for similar debt instruments. See Note 9 for long-term debt principals, interest rates and maturities.

11. Share-Based Compensation

Under the terms of the Company’s stockholder-approved share-based plans, incentive and non-qualified stock options and restricted stock have been, and may be, issued to the Company’s officers, management-level employees and members of its Board of Directors. Employee and non-employee director stock options generally vest at a rate of 25% per year, beginning one year from the date of the grant, and restricted stock generally has a four-year cliff vesting. Stock options generally have a maximum contractual term of seven years. At December 31, 2011, 15.4 million shares of Company common stock were reserved for issuance under the Company’s share-based plans, including 5.5 million shares for stock options outstanding.

The Company issues previously unissued shares when stock options are exercised and shares are issued from treasury stock upon the award of restricted stock.

The Company measures and records compensation expense related to all stock awards by recognizing the grant date fair value of the awards over their requisite service periods in the financial statements. For grants under any of the Company’s plans that are subject to graded vesting over a service period, the Company recognizes expense on a straight-line basis over the requisite service period for the entire award.

The fair value of each stock option grant is estimated on the date of grant using a Black-Scholes-Merton option pricing model. The following weighted average assumptions were used in the Black-Scholes-Merton model to estimate the fair values of options granted during the years indicated:

	2011			2010			2009
Expected volatility		26.4	%		25.6	%		25.8	%
Expected term (years)		5.0			5.0			4.9
Risk-free interest rate		1.96	%		2.48	%		1.89	%
Expected dividend yield		0.54	%		0.54	%		0.73	%
Black-Scholes-Merton fair value per stock option granted	$	11.34		$	7.56		$	5.20

61

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Expected volatility is based on the historical volatility of the Company’s stock. The Company used historical exercise data to estimate the stock options’ expected term, which represents the period of time that the stock options granted are expected to be outstanding. Management anticipates that the future stock option holding periods will be similar to the historical stock option holding periods. The risk-free interest rate for periods within the contractual life of the stock option is based on the U.S. Treasury yield curve at the time of grant. Compensation expense recognized for all share-based awards is net of estimated forfeitures. The Company’s estimated forfeiture rates are based on its historical experience.

Total share-based compensation expense was as follows for the years ended December 31:

	2011			2010			2009
	(In thousands)
Stock option expense	$	8,027		$	7,580		$	6,297
Restricted stock expense		14,120			9,016			7,205
Total pre-tax expense		22,147			16,596			13,502
Related tax benefit		(7,083	)		(5,459	)		(4,223	)
Reduction of net income	$	15,064		$	11,137		$	9,279

Pre-tax share-based compensation expense is included in either cost of sales, or selling, general and administrative expenses, depending on where the recipient’s cash compensation is reported.

The following is a summary of the Company’s stock option activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
	(In thousands)					(Years)		(In millions)
Outstanding at the beginning of the year		6,119		$	24.25
Granted		660			44.70
Exercised		(1,165	)		18.91
Forfeited		(148	)		28.28
Expired		—			—
Outstanding at the end of the year		5,466		$	27.75		3.9	$	80.1
Exercisable at the end of the year		2,926		$	24.95		3.0	$	50.2

The aggregate intrinsic value of stock options exercised during 2011, 2010 and 2009 was $28.2 million, $29.3 million and $15.5 million, respectively. The total fair value of stock options vested during 2011, 2010 and 2009 was $7.5 million, $7.0 million and $5.4 million, respectively.

62

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following is a summary of the Company’s nonvested stock option activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested stock options outstanding at the beginning of the year		3,236		$	6.32
Granted		660			11.34
Vested		(1,208	)		6.23
Forfeited		(148	)		6.91
Nonvested stock options outstanding at the end of the year		2,540		$	7.63

As of December 31, 2011, there was approximately $12.8 million of expected future pre-tax compensation expense related to the 2.5 million nonvested stock options outstanding, which is expected to be recognized over a weighted average period of less than two years.

The fair value of restricted shares under the Company’s restricted stock arrangement is determined by the product of the number of shares granted and the grant date market price of the Company’s common stock. Upon the grant of restricted stock, the fair value of the restricted shares (unearned compensation) at the date of grant is charged as a reduction of capital in excess of par value in the Company’s consolidated balance sheet and is amortized to expense on a straight-line basis over the vesting period, which is the same as the calculated derived service period as determined on the grant date.

Restricted stock grants are subject to accelerated vesting due to certain events, including doubling of the grant price of the Company’s common stock as of the close of business during any five consecutive trading days. On April 6, 2011, 509,709 shares of restricted stock, which were granted on April 23, 2009, vested under this accelerated vesting provision. The pre-tax charge to income due to the accelerated vesting of these shares was $5.2 million ($3.6 million net after-tax charge) for the year ended December 31, 2011.

The following is a summary of the Company’s nonvested restricted stock activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested restricted stock outstanding at the beginning of the year		1,532		$	26.23
Granted		268			44.41
Vested		(810	)		22.95
Forfeited		(47	)		32.22
Nonvested restricted stock outstanding at the end of the year		943		$	34.07

The total fair value of the restricted stock that vested was $18.6 million and $5.7 million in 2011 and 2010, respectively, and 2009 was not significant. The weighted average fair value of restricted stock granted per share during 2011 and 2010 was $44.41 and $29.01, respectively. As of December 31, 2011, there was approximately

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$17.3 million of expected future pre-tax compensation expense related to the 0.9 million nonvested restricted shares outstanding, which is expected to be recognized over a weighted average period of approximately two years.

Under a Supplemental Executive Retirement Plan (“SERP”) in 2011, the Company reserved 34,988 shares of common stock. Reductions for retirements and terminations were 12,667 shares in 2011. The total number of shares of common stock reserved under the SERP was 445,488 as of December 31, 2011. Charges to expense under the SERP are not significant in amount and are considered pension expense with the offsetting credit reflected in capital in excess of par value.

12. Retirement Plans and Other Postretirement Benefits

Retirement and Pension Plans

The Company sponsors several retirement and pension plans covering eligible salaried and hourly employees. The plans generally provide benefits based on participants’ years of service and/or compensation. The following is a brief description of the Company’s retirement and pension plans.

The Company maintains contributory and noncontributory defined benefit pension plans. Benefits for eligible salaried and hourly employees under all defined benefit plans are funded through trusts established in conjunction with the plans. The Company’s funding policy with respect to its defined benefit plans is to contribute amounts that provide for benefits based on actuarial calculations and the applicable requirements of U.S. federal and local foreign laws. The Company estimates that it will make both required and discretionary cash contributions of approximately $3 million to $6 million to its worldwide defined benefit pension plans in 2012.

The Company uses a measurement date of December 31 (its fiscal year end) for its U.S. and foreign defined benefit pension plans.

The Company sponsors a 401(k) retirement and savings plan for eligible U.S. employees. Participants in the retirement and savings plan may contribute a specified portion of their compensation on a before-tax basis, which vary by location. The Company matches employee contributions ranging from 20% to 100%, up to a maximum percentage ranging from 1% to 8% of eligible compensation or up to a maximum of $1,200 per participant in some locations.

The Company’s retirement and savings plan has a defined contribution retirement feature principally to cover U.S. salaried employees joining the Company after December 31, 1996. Under the retirement feature, the Company makes contributions for eligible employees based on a pre-established percentage of the covered employee’s salary subject to pre-established vesting. Employees of certain of the Company’s foreign operations participate in various local defined contribution plans.

The Company has nonqualified unfunded retirement plans for its Directors and certain retired employees. It also provides supplemental retirement benefits, through contractual arrangements and/or a SERP covering certain current and former executives of the Company. These supplemental benefits are designed to compensate the executive for retirement benefits that would have been provided under the Company’s primary retirement plan, except for statutory limitations on compensation that must be taken into account under those plans. The projected benefit obligations of the SERP and the contracts will primarily be funded by a grant of shares of the Company’s common stock upon retirement or termination of the executive. The Company is providing for these obligations by charges to earnings over the applicable periods.

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The following tables set forth the changes in net projected benefit obligation and the fair value of plan assets for the funded and unfunded defined benefit plans for the years ended December 31:

U.S. Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation (“PBO”):
Net projected benefit obligation at the beginning of the year	$	384,763		$	376,907
Service cost		3,095			2,917
Interest cost		21,271			21,489
Actuarial losses		34,765			9,578
Gross benefits paid		(24,962	)		(24,380	)
Plan amendments and other		—			(1,748	)
Net projected benefit obligation at the end of the year	$	418,932		$	384,763
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	465,903		$	430,513
Actual return on plan assets		527			59,520
Employer contributions		247			250
Gross benefits paid		(24,962	)		(24,380	)
Fair value of plan assets at the end of the year	$	441,715		$	465,903

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Foreign Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation:
Net projected benefit obligation at the beginning of the year	$	126,334		$	110,607
Service cost		1,267			1,004
Interest cost		7,244			6,386
Acquisitions		—			9,633
Foreign currency translation adjustment		(863	)		(4,370	)
Employee contributions		403			389
Actuarial (gains) losses		(1,869	)		6,069
Gross benefits paid		(4,106	)		(3,384	)
Net projected benefit obligation at the end of the year	$	128,410		$	126,334
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	126,539		$	112,503
Actual return on plan assets		(2,347	)		15,852
Employer contributions		5,139			3,305
Employee contributions		403			389
Foreign currency translation adjustment		(523	)		(4,062	)
Gross benefits paid		(4,106	)		(3,384	)
Acquisitions		—			1,936
Fair value of plan assets at the end of the year	$	125,105		$	126,539

The accumulated benefit obligation (“ABO”) consisted of the following at December 31:

U.S. Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	402,306	$	370,610
Unfunded plans		5,558		4,757
Total	$	407,864	$	375,367

Foreign Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	112,540	$	107,506
Unfunded plans		7,339		7,432
Total	$	119,879	$	114,938

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Weighted average assumptions used to determine benefit obligations at December 31:

	2011			2010
U.S. Defined Benefit Pension Plans:
Discount rate		5.00	%		5.60	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.22	%		5.71	%
Rate of compensation increase (where applicable)		2.97	%		2.97	%

The following is a summary of the fair value of plan assets for U.S. plans at December 31, 2011 and 2010.

	December 31, 2011						December 31, 2010
Asset Class	Total		Level 1		Level 2		Total		Level 1		Level 2
	(In thousands)
Cash and temporary investments	$	2,402	$	2,402	$	—	$	23,163	$	23,163	$	—
Equity securities:
AMETEK common stock		26,368		26,368		—		33,822		33,822		—
U.S. Small cap common stocks		26,033		26,033		—		35,280		35,280		—
U.S. Large cap common stocks		62,567		40,281		22,286		71,898		46,461		25,437
Diversified common stocks — U.S.		41,467		—		41,467		42,135		—		42,135
Diversified common stocks — Global		60,430		—		60,430		67,575		—		67,575
Fixed-income securities and other:
U.S. Corporate		24,856		24,856		—		37,963		37,963		—
U.S. Government		5,126		5,126		—		8,024		8,024		—
Global asset allocation*		121,296		70,855		50,441		99,058		60,226		38,832
Inflation related funds		52,438		12,438		40,000		46,985		17,349		29,636
Alternative investments:
Collective trust		18,732		—		—		—		—		—
Total investments	$	441,715	$	208,359	$	214,624	$	465,903	$	262,288	$	203,615

* This asset class was invested in diversified companies in all geographical regions.

U.S. equity securities and global equity securities categorized as Level 1 are traded on national and international exchanges and are valued at their closing prices on the last trading day of the year. For U.S. equity securities and global equity securities not traded on an active exchange, or if the closing price is not available, the trustee obtains indicative quotes from a pricing vendor, broker or investment manager. These securities are categorized as Level 2 if the custodian obtains corroborated quotes from a pricing vendor.

Additionally, some U.S. equity securities and global equity securities are public investment vehicles valued using the Net Asset Value (“NAV”) provided by the fund manager. The NAV is the total value of the fund divided by the number of shares outstanding. U.S. equity securities and global equity securities are categorized as Level 1 if traded at their NAV on a nationally recognized securities exchange or categorized as Level 2 if the NAV is corroborated by observable market data.

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Fixed income securities categorized as Level 1 are traded on national and international exchanges and are valued at their closing prices on the last trading day of the year and categorized as Level 2 if valued by the trustee using pricing models that use verifiable observable market data, bids provided by brokers or dealers or quoted prices of securities with similar characteristics.

Alternative investments categorized as Level 3 are valued based on unobservable inputs and cannot be corroborated using verifiable observable market data.

The following is a summary of the changes in the fair value of the U.S. plans’ level 3 investments (fair value using significant unobservable inputs):

	Alternative Investments
	(In thousands)
Balance, December 31, 2009	$	18,958
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		—
Realized gains (losses) relating to assets sold during the year		755
Purchases, sales, issuances and settlements, net		(19,713	)
Balance, December 31, 2010		—
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		807
Realized gains (losses) relating to assets sold during the year		—
Purchases, sales, issuances and settlements, net		17,925
Balance, December 31, 2011	$	18,732

The expected long-term rate of return on these plan assets was 8.00% in 2011 and 8.25% in 2010. Equity securities included 626,324 shares of AMETEK, Inc. common stock with a market value of $26.4 million (6.0% of total plan investment assets) at December 31, 2011 and 861,300 shares of AMETEK, Inc. common stock with a market value of $33.8 million (7.3% of total plan investment assets) at December 31, 2010.

The objectives of the AMETEK, Inc. U.S. defined benefit plans’ investment strategy are to maximize the plans’ funded status and minimize Company contributions and plan expense. Because the goal is to optimize returns over the long term, an investment policy that favors equity holdings has been established. Since there may be periods of time where both equity and fixed-income markets provide poor returns, an allocation to alternative assets may be made to improve the overall portfolio’s diversification and return potential. The Company periodically reviews its asset allocation, taking into consideration plan liabilities, plan benefit payment streams and the investment strategy of the pension plans. The actual asset allocation is monitored frequently relative to the established targets and ranges and is rebalanced when necessary. The target allocations for the U.S. defined benefits plans are approximately 50% equity securities, 25% fixed-income securities and 25% other securities and/or cash.

The equity portfolio is diversified by market capitalization and style. The equity portfolio also includes an international component.

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The objective of the fixed-income portion of the pension assets is to provide interest rate sensitivity for a portion of the assets and to provide diversification. The fixed-income portfolio is diversified within certain quality and maturity guidelines in an attempt to minimize the adverse effects of interest rate fluctuations.

Other than for investments in alternative assets, described in the footnote to the table above, certain investments are prohibited. Prohibited investments include venture capital, private placements, unregistered or restricted stock, margin trading, commodities, short selling and rights and warrants. Foreign currency futures, options and forward contracts may be used to manage foreign currency exposure.

The following is a summary of the fair value of plan assets for foreign defined benefit pension plans at December 31, 2011 and 2010.

	December 31, 2011				December 31, 2010
Asset Class	Total		Level 2		Total		Level 2
	(In thousands)
Cash	$	4,920	$	4,920	$	4,336	$	4,336
U.S. Mutual equity funds		10,224		10,224		10,141		10,141
Foreign mutual equity funds		72,221		72,221		77,260		77,260
Real estate		404		404		2,647		2,647
Mutual bond funds — Global		21,481		21,481		18,782		18,782
Life insurance		15,855		—		13,373		—
Total investments	$	125,105	$	109,250	$	126,539	$	113,166

Equity funds, real estate funds and fixed income funds that are valued by the vendor using observable market inputs are considered level 2 investments. Life insurance assets are considered level 3 investments as their values are determined by the sponsor using unobservable market data.

The following is a summary of the changes in the fair value of the foreign plans’ level 3 investments (fair value determined using significant unobservable inputs):

	Life Insurance
	(In thousands)
Balance, December 31, 2009	$	9,747
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		1,690
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		1,936
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2010		13,373
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		2,482
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		—
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2011	$	15,855

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The objective of AMETEK, Inc.’s foreign defined benefit plans’ investment strategy is to maximize the long-term rate of return on plan investments, subject to a reasonable level of risk. Liability studies are also performed on a regular basis to provide guidance in setting investment goals with an objective to balance risks against the current and future needs of the plans. The trustees consider the risk associated with the different asset classes, relative to the plans’ liabilities and how this can be affected by diversification, and the relative returns available on equities, fixed-income investments, real estate and cash. Also, the likely volatility of those returns and the cash flow requirements of the plans are considered. It is expected that equities will outperform fixed-income investments over the long term. However, the trustees recognize the fact that fixed-income investments may better match the liabilities for pensioners. Because of the relatively young active employee group covered by the plans and the immature nature of the plans, the trustees have chosen to adopt an asset allocation strategy more heavily weighted toward equity investments. This asset allocation strategy will be reviewed, from time to time, in view of changes in market conditions and in the plans’ liability profile. The target allocations for the foreign defined benefit plans are approximately 74% equity securities, 17% fixed-income securities and 9% other securities, insurance or cash.

The assumption for the expected return on plan assets was developed based on a review of historical investment returns for the investment categories for the defined benefit pension assets. This review also considered current capital market conditions and projected future investment returns. The estimates of future capital market returns by asset class are lower than the actual long-term historical returns. The current low interest rate environment influences this outlook. Therefore, the assumed rate of return for U.S. plans is 8.0% and 6.96% for foreign plans in 2012.

The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with a projected benefit obligation in excess of plan assets and pension plans with an accumulated benefit obligation in excess of plan assets were as follows at December 31:

U.S. Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	5,558	$	4,757	$	5,558	$	4,757
Fair value of plan assets		—		—		—		—

Foreign Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation  Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	61,580	$	59,966	$	7,871	$	9,612
Fair value of plan assets		50,125		51,040		467		2,057

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The following table provides the amounts recognized in the consolidated balance sheet at December 31:

	2011			2010
	(In thousands)
Funded status asset (liability):
Fair value of plan assets	$	566,820		$	592,442
Projected benefit obligation		(547,342	)		(511,097	)
Funded status at the end of the year	$	19,478		$	81,345
Amounts recognized in the consolidated balance sheet consisted of:
Noncurrent asset for pension benefits (other assets)	$	36,490		$	95,029
Current liabilities for pension benefits		(563	)		(235	)
Noncurrent liability for pension benefits		(16,449	)		(13,449	)
Net amount recognized at the end of the year	$	19,478		$	81,345

The following table provides the amounts recognized in accumulated other comprehensive income, net of taxes, at December 31:

Net amounts recognized:	2011			2010
	(In thousands)
Net actuarial loss	$	98,345		$	50,677
Prior service costs		93			139
Transition asset		(5	)		(18	)
Total recognized	$	98,433		$	50,798

Other changes in pension plan assets and benefit obligations recognized in other comprehensive income, net of taxes:	2011			2010			2009
	(In thousands)
Net actuarial loss (gain)	$	50,582		$	(10,871	)	$	(18,086	)
Amortization of net actuarial loss		(2,914	)		(4,306	)		(8,079	)
Loss recognized due to curtailment		—			(993	)		—
Amortization of prior service costs		(46	)		(149	)		(85	)
Amortization of transition asset		13			(4	)		11
Total recognized	$	47,635		$	(16,323	)	$	(26,239	)

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The following table provides the components of net periodic pension benefit expense for the years ended December 31:

	2011			2010			2009
	(In thousands)
Defined benefit plans:
Service cost	$	4,362		$	3,921		$	4,517
Interest cost		28,515			27,874			28,239
Expected return on plan assets		(45,049	)		(41,991	)		(35,711	)
Amortization of:
Net actuarial loss		4,727			6,949			13,165
Prior service costs		75			83			138
Transition asset		(22	)		(21	)		(18	)
Pension (income) expense		(7,392	)		(3,185	)		10,330
Pension curtailment charge		—			41			—
Total net periodic benefit (income) expense		(7,392	)		(3,144	)		10,330
Other plans:
Defined contribution plans		14,571			12,505			12,521
Foreign plans and other		5,586			4,442			3,977
Total other plans		20,157			16,947			16,498
Total net pension expense	$	12,765		$	13,803		$	26,828

The estimated amount that will be amortized from accumulated other comprehensive income into net periodic pension benefit expense in 2012 for the net actuarial losses and prior service costs is expected to be $11.4 million.

The following weighted average assumptions were used to determine the above net periodic pension benefit expense for the years ended December 31:

	2011			2010			2009
U.S. Defined Benefit Pension Plans:
Discount rate		5.60	%		5.90	%		6.50	%
Expected return on plan assets		8.00	%		8.25	%		8.25	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.71	%		5.98	%		6.09	%
Expected return on plan assets		6.96	%		6.97	%		6.97	%
Rate of compensation increase (where applicable)		2.97	%		2.98	%		2.98	%

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Estimated Future Benefit Payments

The estimated future benefit payments for U.S. and foreign plans are as follows (in thousands): 2012 – $29,668; 2013 – $30,328; 2014 – $31,126; 2015 – $31,912; 2016 – $32,889; 2017 to 2021 – $177,481. Future benefit payments primarily represent amounts to be paid from pension trust assets. Amounts included that are to be paid from the Company’s assets are not significant in any individual year.

Postretirement Plans and Postemployment Benefits

The Company provides limited postretirement benefits other than pensions for certain retirees and a small number of former employees. Benefits under these arrangements are not funded and are not significant.

The Company also provides limited postemployment benefits for certain former or inactive employees after employment but before retirement. Those benefits are not significant in amount.

The Company has a deferred compensation plan, which allows employees whose compensation exceeds the statutory IRS limit for retirement benefits to defer a portion of earned bonus compensation. The plan permits deferred amounts to be deemed invested in either, or a combination of, (a) an interest-bearing account, benefits from which are payable out of the general assets of the Company, or (b) the equivalent of a fund which invests in shares of the Company’s common stock on behalf of the employee. The amount deferred under the plan, including income earned, was $19.5 million and $16.9 million at December 31, 2011 and 2010, respectively. Administrative expense for the deferred compensation plan is borne by the Company and is not significant.

13. Guarantees

The Company does not provide significant guarantees on a routine basis. The Company primarily issues guarantees, stand-by letters of credit and surety bonds in the ordinary course of its business to provide financial or performance assurance to third parties on behalf of its consolidated subsidiaries to support or enhance the subsidiary’s stand-alone creditworthiness. The amounts subject to certain of these agreements vary depending on the covered contracts actually outstanding at any particular point in time. At December 31, 2011, the maximum amount of future payment obligations relative to these various guarantees was $64.7 million and the outstanding liability under certain of those guarantees was $4.1 million.

Indemnifications

In conjunction with certain acquisition and divestiture transactions, the Company may agree to make payments to compensate or indemnify other parties for possible future unfavorable financial consequences resulting from specified events (e.g., breaches of contract obligations or retention of previously existing environmental, tax or employee liabilities) whose terms range in duration and often are not explicitly defined. Where appropriate, the obligation for such indemnifications is recorded as a liability. Because the amount of these types of indemnifications generally is not specifically stated, the overall maximum amount of the obligation under such indemnifications cannot be reasonably estimated. Further, the Company indemnifies its directors and officers for claims against them in connection with their positions with the Company. Historically, any such costs incurred to settle claims related to these indemnifications have been minimal for the Company. The Company believes that future payments, if any, under all existing indemnification agreements would not have a material impact on its consolidated results of operations, financial position or cash flows.

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Product Warranties

The Company provides limited warranties in connection with the sale of its products. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses.

Changes in the accrued product warranty obligation were as follows at December 31:

	2011			2010			2009
	(In thousands)
Balance at the beginning of the year	$	18,347		$	16,035		$	16,068
Accruals for warranties issued during the year		13,247			10,616			8,236
Settlements made during the year		(10,175	)		(9,691	)		(11,095	)
Changes in liability for pre-existing warranties, including expirations during the year		—			(262	)		277
Warranty accruals related to acquired businesses and other during the year		1,047			1,649			2,549
Balance at the end of the year	$	22,466		$	18,347		$	16,035

Certain settlements of warranties made during the period were for specific nonrecurring warranty obligations. Product warranty obligations are reported as current liabilities in the consolidated balance sheet.

14. Contingencies

Environmental Matters

Certain historic processes in the manufacture of products have resulted in environmentally hazardous waste by-products as defined by federal and state laws and regulations. At December 31, 2011, the Company is named a Potentially Responsible Party (“PRP”) at 15 non-AMETEK-owned former waste disposal or treatment sites (the “non-owned” sites). The Company is identified as a “de minimis” party in 14 of these sites based on the low volume of waste attributed to the Company relative to the amounts attributed to other named PRPs. In ten of these sites, the Company has reached a tentative agreement on the cost of the de minimis settlement to satisfy its obligation and is awaiting executed agreements. The tentatively agreed-to settlement amounts are fully reserved. In the other four sites, the Company is continuing to investigate the accuracy of the alleged volume attributed to the Company as estimated by the parties primarily responsible for remedial activity at the sites to establish an appropriate settlement amount. At the remaining site where the Company is a non-de minimis PRP, the Company is participating in the investigation and/or related required remediation as part of a PRP Group and reserves have been established sufficient to satisfy the Company’s expected obligations. The Company historically has resolved these issues within established reserve levels and reasonably expects this result will continue. In addition to these non-owned sites, the Company has an ongoing practice of providing reserves for probable remediation activities at certain of its current or previously owned manufacturing locations (the “owned” sites). For claims and proceedings against the Company with respect to other environmental matters, reserves are established once the Company has determined that a loss is probable and estimable. This estimate is refined as the Company moves through the various stages of investigation, risk assessment, feasibility study and corrective action processes. In certain instances, the Company has developed a range of estimates for such costs and has recorded a liability based on the low end of the range. It is reasonably possible that the actual cost of remediation of the individual sites could vary from the current estimates and the amounts accrued in the consolidated financial statements;

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

however, the amounts of such variances are not expected to result in a material change to the consolidated financial statements. In estimating the Company’s liability for remediation, the Company also considers the likely proportionate share of the anticipated remediation expense and the ability of the other PRPs to fulfill their obligations.

Total environmental reserves at December 31, 2011 and 2010 were $28.0 million and $31.3 million, respectively, for both non-owned and owned sites. In 2011, the Company recorded $1.2 million in reserves. Additionally, the Company spent $4.5 million on environmental matters in 2011. The Company’s reserves for environmental liabilities at December 31, 2011 and 2010 include reserves of $17.5 million and $18.9 million, respectively, for an owned site acquired in connection with the 2005 acquisition of HCC Industries (“HCC”). The Company is the designated performing party for the performance of remedial activities for one of several operating units making up a large Superfund site in the San Gabriel Valley of California. The Company has obtained indemnifications and other financial assurances from the former owners of HCC related to the costs of the required remedial activities. At December 31, 2011, the Company had $14.3 million in receivables related to HCC for probable recoveries from third-party escrow funds and other committed third-party funds to support the required remediation. Also, the Company is indemnified by HCC’s former owners for approximately $19.0 million of additional costs.

The Company has agreements with other former owners of certain of its acquired businesses, as well as new owners of previously owned businesses. Under certain of the agreements, the former or new owners retained, or assumed and agreed to indemnify the Company against, certain environmental and other liabilities under certain circumstances. The Company and some of these other parties also carry insurance coverage for some environmental matters. To date, these parties have met their obligations in all material respects.

The Company believes it has established reserves which are sufficient to perform all known responsibilities under existing claims and consent orders. The Company has no reason to believe that other third parties would fail to perform their obligations in the future. In the opinion of management, based upon presently available information and past experience related to such matters, an adequate provision for probable costs has been made and the ultimate cost resulting from these actions is not expected to materially affect the consolidated results of operations, financial position or cash flows of the Company.

15. Leases and Other Commitments

Minimum aggregate rental commitments under noncancellable leases in effect at December 31, 2011 (principally for production and administrative facilities and equipment) amounted to $131.3 million, consisting of payments of $27.0 million in 2012, $20.9 million in 2013, $16.1 million in 2014, $13.1 million in 2015, $10.1 million in 2016 and $44.1 million thereafter. The leases expire over a range of years from 2012 to 2082, with renewal or purchase options, subject to various terms and conditions, contained in most of the leases. Rental expense was $26.4 million in 2011, $23.1 million in 2010 and $22.8 million in 2009.

As of December 31, 2011 and 2010, the Company had $275.5 million and $222.0 million, respectively, in purchase obligations outstanding, which primarily consisted of contractual commitments to purchase certain inventories at fixed prices.

75

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

16. Reportable Segments and Geographic Areas Information

Descriptive Information about Reportable Segments

The Company has two reportable segments, EIG and EMG. The Company identifies its operating segments for segment reporting purposes primarily on the basis of product type, production processes, distribution methods and management organizations.

EIG produces instrumentation for various electronic applications used in transportation industries, including aircraft cockpit instruments and displays, airborne electronics systems that monitor and record flight and engine data, and pressure, temperature, flow and liquid-level sensors for commercial airlines and aircraft and jet engine manufacturers. EIG also produces analytical instrumentation for the medical, laboratory and research markets, as well as instruments for food service equipment, measurement and monitoring instrumentation for various process industries and instruments and complete instrument panels for heavy trucks, and heavy construction and agricultural vehicles. EIG also manufactures ultraprecise measurement instrumentation, as well as thermoplastic compounds for automotive, appliance and telecommunications applications.

EMG produces brushless air-moving motors for aerospace, mass transit, medical equipment, computer and business machine applications. EMG also produces high-purity metal powders and alloys in powder, strip and wire form for electronic components, aircraft and automotive products, as well as heat exchangers and thermal management subsystems. EMG also supplies hermetically sealed (moisture-proof) connectors, terminals and headers. These electromechanical devices are used in aerospace, defense, medical and other industrial applications. Additionally, EMG produces air-moving electric motors and motor-blower systems for manufacturers of floorcare appliances and outdoor power equipment.

Measurement of Segment Results

Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense. Net sales by segment are reported after elimination of intra- and intersegment sales and profits, which are insignificant in amount. Reported segment assets include allocations directly related to the segment’s operations. Corporate assets consist primarily of investments, prepaid pensions, insurance deposits and deferred taxes.

76

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Reportable Segment Financial Information

	2011			2010			2009
	(In thousands)
Net sales(1):
Electronic Instruments	$	1,647,195		$	1,324,113		$	1,146,578
Electromechanical		1,342,719			1,146,839			951,777
Consolidated net sales	$	2,989,914		$	2,470,952		$	2,098,355
Operating income and income before income taxes:
Segment operating income(2):
Electronic Instruments	$	420,197		$	316,184		$	232,875
Electromechanical		262,710			210,397			166,582
Total segment operating income		682,907			526,581			399,457
Corporate administrative and other expenses		(46,966	)		(44,423	)		(33,407	)
Consolidated operating income		635,941			482,158			366,050
Interest and other expenses, net		(79,299	)		(75,908	)		(71,417	)
Consolidated income before income taxes	$	556,642		$	406,250		$	294,633
Assets:
Electronic Instruments	$	2,154,502		$	1,959,586
Electromechanical		1,965,665			1,753,041
Total segment assets		4,120,167			3,712,627
Corporate		199,323			106,288
Consolidated assets	$	4,319,490		$	3,818,915
Additions to property, plant and equipment(3):
Electronic Instruments	$	27,196		$	31,496		$	22,220
Electromechanical		30,977			26,690			16,668
Total segment additions to property, plant and equipment		58,173			58,186			38,888
Corporate		2,419			3,240			2,161
Consolidated additions to property, plant and equipment	$	60,592		$	61,426		$	41,049
Depreciation and amortization:
Electronic Instruments	$	39,749		$	32,893		$	32,635
Electromechanical		46,143			38,524			32,444
Total segment depreciation and amortization		85,892			71,417			65,079
Corporate		640			1,479			421
Consolidated depreciation and amortization	$	86,532		$	72,896		$	65,500

(1) After elimination of intra- and intersegment sales, which are not significant in amount.

(2) Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense.

(3) Includes $9.8 million in 2011, $22.2 million in 2010 and $8.0 million in 2009 from acquired businesses.

77

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Geographic Areas

Information about the Company’s operations in different geographic areas for the years ended December 31, 2011, 2010 and 2009 is shown below. Net sales were attributed to geographic areas based on the location of the customer. Accordingly, U.S. export sales are reported in international sales.

	2011		2010		2009
	(In thousands)
Net sales:
United States	$	1,488,773	$	1,259,608	$	1,066,644
International(1):
United Kingdom		174,714		174,980		170,229
European Union countries		456,035		362,463		339,328
Asia		546,542		405,200		308,805
Other foreign countries		323,850		268,701		213,349
Total international		1,501,141		1,211,344		1,031,711
Total consolidated	$	2,989,914	$	2,470,952	$	2,098,355
Long-lived assets from continuing operations (excluding intangible assets):
United States	$	215,987	$	206,869
International(2):
United Kingdom		34,093		34,031
European Union countries		52,832		54,815
Asia		8,496		8,862
Other foreign countries		13,921		13,549
Total international		109,342		111,257
Total consolidated	$	325,329	$	318,126

(1) Includes U.S. export sales of $774.9 million in 2011, $564.5 million in 2010 and $414.1 million in 2009.

(2) Represents long-lived assets of foreign-based operations only.

17. Additional Consolidated Income Statement and Cash Flow Information

Included in other income are interest and other investment income of $0.8 million, $1.1 million and $0.9 million for 2011, 2010 and 2009, respectively. Income taxes paid in 2011, 2010 and 2009 were $130.1 million, $95.9 million and $84.3 million, respectively. Cash paid for interest was $68.2 million, $66.8 million and $68.0 million in 2011, 2010 and 2009, respectively.

78

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

18. Stockholders’ Equity

In 2010, the Company repurchased approximately 3,071,000 shares of common stock for $78.6 million in cash under its share repurchase authorization. At December 31, 2010, $64.9 million was available under the Board authorization for future share repurchases. In 2011, the Company repurchased approximately 1,677,000 shares of common stock for $59.3 million in cash under its share repurchase authorization. In November 2011, the Board of Directors approved an increase of $100 million in the authorization for the repurchase of the Company’s common stock. This increase was added to the $5.5 million that remained available from an existing $75 million authorization approved in 2010. At December 31, 2011, $105.5 million was available under the Board authorization for future share repurchases.

At December 31, 2011, the Company held 8.8 million shares in its treasury at a cost of $209.8 million, compared with 7.3 million shares at a cost of $153.6 million at December 31, 2010. The number of shares outstanding at December 31, 2011 was 160.4 million shares, compared with 160.7 million shares at December 31, 2010.

The Company has a Shareholder Rights Plan, under which the Company’s Board of Directors declared a dividend of one Right for each share of Company common stock owned at the close of business on June 2, 2007, and has authorized the issuance of one Right for each share of common stock of the Company issued between the Record Date and the Distribution Date. The Plan provides, under certain conditions involving acquisition of the Company’s common stock, that holders of Rights, except for the acquiring entity, would be entitled (i) to purchase shares of preferred stock at a specified exercise price, or (ii) to purchase shares of common stock of the Company, or the acquiring company, having a value of twice the Rights exercise price. The Rights under the Plan expire in June 2017.

19. Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs

During the fourth quarter of 2008, the Company recorded pre-tax charges totaling $40.0 million, which had the effect of reducing net income by $27.3 million ($0.17 per diluted share). These charges included restructuring costs for employee reductions and facility closures ($32.6 million), as well as asset write-downs ($7.4 million). The charges included $30.1 million for severance costs for more than 10% of the Company’s workforce and $1.5 million for lease termination costs associated with the closure of certain facilities. Of the $40.0 million in charges, $32.9 million of the restructuring charges and asset write-downs were recorded in cost of sales and $7.1 million of the restructuring charges and asset write-downs were recorded in Selling, general and administrative expenses. The restructuring charges and asset write-downs were reported in 2008 segment operating income as follows: $20.4 million in EIG, $19.4 million in EMG and $0.2 million in Corporate administrative and other expenses. The restructuring costs for employee reductions and facility closures relate to plans established by the Company in 2008 as part of cost reduction initiatives that were broadly implemented across the Company’s various businesses during fiscal 2009. The restructuring costs resulted from the consolidation of manufacturing facilities, the migration of production to low-cost locales and a general reduction in workforce in response to lower levels of expected sales volumes in certain of the Company’s businesses.

79

AMETEK, Inc.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table provides a rollforward of the remaining accruals established in the fourth quarter of 2008 for restructuring charges and asset write-downs:

	Restructuring
	Severance			Facility Closures			Total
	(In millions)
Restructuring accruals at December 31, 2009	$	12.2		$	1.0		$	13.2
Utilization		(4.6	)		(0.7	)		(5.3	)
Foreign currency translation and other		(1.0	)		—			(1.0	)
Restructuring accruals at December 31, 2010		6.6			0.3			6.9
Utilization		(3.5	)		(0.1	)		(3.6	)
Foreign currency translation and other		(0.1	)		—			(0.1	)
Restructuring accruals at December 31, 2011	$	3.0		$	0.2		$	3.2

20. Quarterly Financial Data (Unaudited)

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
	(In thousands, except per share amounts)
2011
Net sales	$	717,783	$	758,834	$	750,546	$	762,751	$	2,989,914
Operating income	$	152,020	$	156,955	$	159,586	$	167,380	$	635,941
Net income	$	90,435	$	94,144	$	97,978	$	101,907	$	384,464
Basic earnings per share*	$	0.57	$	0.59	$	0.61	$	0.64	$	2.40
Diluted earnings per share*	$	0.56	$	0.58	$	0.60	$	0.63	$	2.37
Dividends paid per share*	$	0.06	$	0.06	$	0.06	$	0.06	$	0.24
2010
Net sales	$	556,662	$	591,941	$	644,374	$	677,975	$	2,470,952
Operating income	$	102,446	$	115,595	$	128,593	$	135,524	$	482,158
Net income	$	57,945	$	67,391	$	77,357	$	81,239	$	283,932
Basic earnings per share*	$	0.36	$	0.43	$	0.49	$	0.51	$	1.79
Diluted earnings per share*	$	0.36	$	0.42	$	0.48	$	0.50	$	1.76
Dividends paid per share*	$	0.04	$	0.04	$	0.04	$	0.06	$	0.18

* The sum of quarterly earnings per share may not equal total year earnings per share due to rounding of earnings per share amounts, and differences in weighted average shares and equivalent shares outstanding for each of the periods presented.

80

Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

Disclosure Controls and Procedures

The Company maintains a system of disclosure controls and procedures that is designed to provide reasonable assurance that information which is required to be disclosed is accumulated and communicated to management in a timely manner. Under the supervision and with the participation of our management, including the Company’s principal executive officer and principal financial officer, we have evaluated the effectiveness of our system of disclosure controls and procedures as required by Exchange Act Rule 13a-15(b) as of December 31, 2011. Based on that evaluation, the Company’s principal executive officer and principal financial officer have concluded that the Company’s disclosure controls and procedures are effective at the reasonable assurance level.

Such evaluation did not identify any change in the Company’s internal control over financial reporting during the year ended December 31, 2011 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

Internal Control over Financial Reporting

Management’s report on the Company’s internal controls over financial reporting is included in Part II, Item 8 of this Annual Report on Form 10-K. The report of the independent registered public accounting firm with respect to the effectiveness of internal control over financial reporting is included in Part II, Item 8 of this Annual Report on Form 10-K.

Item 9B. Other Information

None.

PART III

Item 10. Directors, Executive Officers and Corporate Governance

a) Directors of the Registrant.

Information with respect to Directors of the Company is set forth under the heading “Election of Directors” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

b) Executive Officers of the Registrant.

Information with respect to executive officers of the Company is set forth under the heading “Executive Officers” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

c) Section 16(a) Compliance.

Information concerning compliance with Section 16(a) of the Securities Exchange Act of 1934 is set forth under the heading “Compliance with Section 16(a) of the Securities Exchange Act of 1934” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

81

d) Identification of the Audit Committee.

Information concerning the audit committee of the Company is set forth under the heading “Committees of the Board” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

e) Audit Committee Financial Expert.

Information concerning the audit committee financial expert of the Company is set forth under the heading “Committees of the Board” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

f) Corporate Governance/Nominating Committee.

Information concerning any material changes to the way in which security holders may recommend nominees to the Company’s Board of Directors is set forth under the heading “Corporate Governance” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

g) Code of Ethics for Chief Executive Officer and Senior Financial Officers.

The Company has adopted a Code of Ethics for the principal executive officer, principal financial officer and principal accounting officer, which may be found on the Company’s website at www.ametek.com. Any amendments to the Code of Ethics or any grant of a waiver from the provisions of the Code of Ethics requiring disclosure under applicable Securities and Exchange Commission rules will be disclosed on the Company’s website.

Item 11. Executive Compensation

Information regarding executive compensation, including the “Compensation Discussion and Analysis,” the “Report of the Compensation Committee,” “Compensation Tables” and “Potential Payments Upon Termination or Change of Control” is set forth under the heading “Executive Compensation” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders and is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Information regarding security ownership of certain beneficial owners and management appearing under “Stock Ownership of Executive Officers and Directors” and “Beneficial Ownership of Principal Stockholders” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions, and Director Independence

Information appearing under “Certain Relationships and Related Transactions” and “Independence” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders is incorporated herein by reference.

Item 14. Principal Accounting Fees and Services

Information appearing under “Ratification of Appointment of Independent Registered Public Accounting Firm” in the Company’s Proxy Statement for the 2012 Annual Meeting of Stockholders is incorporated herein by reference.

82

PART IV

Item 15. Exhibits and Financial Statement Schedules

Financial Statements and Financial Statement Schedules

(1) Financial Statements:

Financial statements are shown in the Index to Financial Statements included in Part II, Item 8 of this Annual Report on Form 10-K.

(2) Financial Statement Schedules:

Financial statement schedules have been omitted because either they are not applicable or the required information is included in the financial statements or the notes thereto.

(3) Exhibits

Exhibits are shown in the index included in Part II, Item 15(3) of this Annual Report on Form 10-K.

83

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.

AMETEK, Inc.
By:	/S/    FRANK S. HERMANCE
	Frank S. Hermance, Chairman of the Board, Chief Executive Officer and Director

Date: February 23, 2012

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/    FRANK S. HERMANCE         Frank S. Hermance	Chairman of the Board, Chief Executive Officer and Director (Principal Executive Officer)	February 23, 2012
/S/    JOHN J. MOLINELLI         John J. Molinelli	Executive Vice President — Chief Financial Officer (Principal Financial Officer)	February 23, 2012
/S/    ROBERT R. MANDOS, JR.         Robert R. Mandos, Jr.	Senior Vice President and Comptroller (Principal Accounting Officer)	February 23, 2012
/S/    ANTHONY J. CONTI         Anthony J. Conti	Director	February 23, 2012
/S/    CHARLES D. KLEIN         Charles D. Klein	Director	February 23, 2012
/S/    STEVEN W. KOHLHAGEN         Steven W. Kohlhagen	Director	February 23, 2012
/S/    JAMES R. MALONE         James R. Malone	Director	February 23, 2012
/S/    ELIZABETH R. VARET         Elizabeth R. Varet	Director	February 23, 2012
/S/    DENNIS K. WILLIAMS         Dennis K. Williams	Director	February 23, 2012

84

Index to Exhibits

Item 15(3)

Exhibit Number	Description	Incorporated Herein by Reference to
3.1	Amended and Restated Certificate of Incorporation of AMETEK, Inc., dated April 24, 2007.	Exhibit 3.1 to Form 10-Q dated March 31, 2007, SEC File No. 1-12981.
3.2	By-Laws of AMETEK, Inc. as amended to and including April 29, 2010.	Exhibit 3.1 to Form 10-Q, dated March 31, 2010, SEC File No. 1-12981.
4.1	Rights Agreement, dated as of June 2, 2007, between AMETEK, Inc. and American Stock Transfer & Trust Company.	Exhibit 4.1 to Form 8-K dated June 5, 2007, SEC File No. 1-12981.
4.2	AMETEK, Inc. 2007 Omnibus Incentive Compensation Plan, dated as of April 24, 2007.*	Exhibit 4 to Form S-8 dated May 10, 2007, SEC File No. 1-12981.
4.3	AMETEK, Inc. 2011 Omnibus Incentive Compensation Plan, dated as of May 3, 2011.*	Exhibit 4 to Form S-8 dated May 6, 2011, SEC File No. 1-12981.
10.1	Amended and restated AMETEK, Inc. Retirement Plan for Directors, dated as of October 24, 2007.*	Exhibit 10.4 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.2	Amended and restated AMETEK, Inc. Deferred Compensation Plan dated October 24, 2007.*	Exhibit 10.6 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.3	Amended and restated AMETEK, Inc. Supplemental Senior Executive Death Benefit Plan, dated as of July 25, 2007.*	Exhibit 10.1 to Form 10-Q, dated September 30, 2007, SEC File No. 1-12981.
10.4	Amended and restated AMETEK, Inc. 2004 Executive Death Benefit Plan dated as of July 25, 2007.*	Exhibit 10.2 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.5	Amended and restated AMETEK, Inc. Death Benefit Program for Directors dated as of October 24, 2007.*	Exhibit 10.3 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.6	Form of amended and restated Termination and Change of Control Agreement between AMETEK, Inc. and a named executive, dated October 24, 2007.*	Exhibit 10.7 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.7	Amended and restated Termination and Change of Control Agreement between AMETEK, Inc. and a named executive, dated October 24, 2007.*	Exhibit 10.8 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.8	The AMETEK Retirement and Savings Plan, as amended and restated to January 1, 2002 (the “Savings Plan”).*	Exhibit 10.4 to 2003 Form 10-K, SEC File No. 1-12981.
10.9	Amendment No. 1 to the Savings Plan.*	Exhibit 10.5 to 2003 Form 10-K, SEC File No. 1-12981.
10.10	Form of Severance Benefit Agreement between the Company and certain executives of the Company.*	Exhibit (10) (ww) to 1989 Form 10-K, SEC File No. 1-168.
10.11	Form of Supplemental Retirement Benefit Agreement between the Company and certain executives of the Company, dated as of May 21, 1991.*	Exhibit 10.61 to 1991 Form 10-K, SEC File No. 1-168.

85

Exhibit Number	Description	Incorporated Herein by Reference to
10.12	Amended and restated AMETEK, Inc. Supplemental Executive Retirement Plan dated as of October 24, 2007.*	Exhibit 10.5 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.13	1999 Stock Incentive Plan of AMETEK, Inc. (the “1999 Plan”).*	Exhibit 4.1 to Form S-8 dated June 11, 1999, SEC File No. 333-80449.
10.14	Amendment No. 1 to the 1999 Plan.*	Exhibit 4.1 to Form S-8 dated June 11, 1999, SEC File No. 333-80449.
10.15	Amendment No. 2 to the 1999 Plan.*	Exhibit 10.3 to Form 10-Q dated March 31, 2000, SEC File No. 1-12981.
10.16	Amendment No. 3 to the 1999 Plan.*	Exhibit 10.1 to Form 10-Q dated June 30, 2002, SEC File No. 1-12981.
10.17	Amendment No. 4 to the 1999 Plan.*	Exhibit 10.2 to Form 10-Q dated September 30, 2002, SEC File No. 1-12981.
10.18	Amendment No. 5 to the 1999 Plan.*	Exhibit 10.5 to Form 10-Q dated June 30, 2004, SEC File No. 1-12981.
10.19	Amendment No. 6 to the 1999 Plan.*	Exhibit 10.1 to Form 10-Q dated September 30, 2004, SEC File No. 1-12981.
10.20	Amendment No. 7 to the 1999 Plan.*	Exhibit 10.3 to Form 10-Q dated September 30, 2006, SEC File No. 1-12981.
10.21	2002 Stock Incentive Plan of AMETEK, Inc., as amended and restated as of April 25, 2007.*	Exhibit 10.1 to Form 10-Q dated March 31, 2007, SEC File No. 1-12981.
10.22	Form of amended and restated Restricted Stock Agreement between the Company and certain executives of the Company, dated October 24, 2007.*	Exhibit 10.9 to Form 10-Q dated September 30, 2007, SEC File No. 1-12981.
10.23	Credit Agreement dated as of September 22, 2011 among AMETEK, Inc., JPMorgan Chase Bank, N.A., as Administrative Agent and Bank of America, N.A., PNC Bank, National Association, SunTrust Bank and Wells Fargo Bank, National Association, as Co-Syndication Agents.	Exhibit 10.1 to Form 8-K dated September 27, 2011, SEC File No. 1-12981.
10.24	Note Purchase Agreement, dated as of August 30, 2007.	Exhibit 10.1 to Form 8-K dated September 5, 2007, SEC File No. 1-12981.
10.25	Note Purchase Agreement, dated as of September 17, 2008.	Exhibit 10.1 to Form 8-K dated September 19, 2008, SEC File No. 1-12981.
12	Statement regarding computation of ratio of earnings to fixed charges.**
21	Subsidiaries of the Registrant.**
23	Consent of Independent Registered Public Accounting Firm.**
31.1	Certification of Chief Executive Officer, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.**
31.2	Certification of Chief Financial Officer, Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.**

86

Exhibit Number	Description	Incorporated Herein by Reference to
32.1	Certification of Chief Executive Officer, Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
32.2	Certification of Chief Financial Officer, Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
101.INS	XBRL Instance Document.**
101.SCH	XBRL Taxonomy Extension Schema Document.**
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.**
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.**
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.**
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.**

* Management contract or compensatory plan required to be filed pursuant to Item 601 of Regulation S-K.

** Filed with electronic submission.

87

EX-12

Exhibit 12

AMETEK, Inc.

Statement Regarding Computation of Ratio of Earnings to Fixed Charges

	Year Ended December 31,
	2011			2010			2009			2008			2007
	(In thousands)
Earnings:
Income from continuing operations	$	384,464		$	283,932		$	205,770		$	246,952		$	228,020
Income tax expense		172,178			122,318			88,863			119,264			108,424
Interest expense — gross		69,880			67,593			69,009			63,690			47,065
Capitalized interest		(151	)		(71	)		(259	)		(38	)		(199	)
Amortization of debt financing costs(1)		—			—			—			—			—
Interest portion of rental expense		8,803			7,695			7,589			7,575			6,359
Adjusted earnings	$	635,174		$	481,467		$	370,972		$	437,443		$	389,669
Fixed charges:
Interest expense, net of capitalized interest	$	69,729		$	67,522		$	68,750		$	63,652		$	46,866
Capitalized interest		151			71			259			38			199
Interest portion of rental expense		8,803			7,695			7,589			7,575			6,359
Fixed charges	$	78,683		$	75,288		$	76,598		$	71,265		$	53,424
Ratio of adjusted earnings to fixed charges		8.1x			6.4x			4.8x			6.1x			7.3x

(1) Included in interest expense.

EX-21

Exhibit 21

SUBSIDIARIES OF AMETEK, INC.

AS OF DECEMBER 31, 2011

Name of Subsidiary and name under which it does business	State or other jurisdiction  of incorporation or organization	Percentage of  voting securities owned by its immediate parent*
Advanced Measurement Technology, Inc.	Delaware		100	%
AMETEK (Bermuda), Ltd.	Bermuda		100	%
AMETEK Canada, LLC	Delaware		100	%
AMETEK Canada 1 ULC	Canada		100	%
AMETEK Canada 2 ULC.	Canada		100	%
AMETEK Canada Limited Partnership	Canada		100	%
AMETEK Cardinal, Inc.	Delaware		100	%
AMETEK Receivables Corp.	Delaware		100	%
AMETEK Thermal Systems, Inc.	Delaware		100	%
Avicenna Technology, Inc.	Minnesota		100	%
Chandler Instruments Company, L.L.C.	Texas		100	%
Grabner Instruments Messtechnik GmbH	Austria		100	%
Petrolab, L.L.C.	Delaware		100	%
Coining Holding Company	Delaware		100	%
Coining, Inc.	Delaware		100	%
Coining, B.V.	Netherlands		100	%
SEMX Corporation	Delaware		100	%
SPM (M) SDN. BHD	Malaysia		100	%
SPM Tape & Reel Industries (M) SDN.BHD	Malaysia		100	%
Semiconductor Materials SARL	Morocco		100	%
Controls Holding Corporation	Delaware		100	%
Patriot Sensors & Controls Corporation	Delaware		100	%
Drake Air, Inc.	Oklahoma		100	%
EDAX Inc.	Delaware		100	%
EDAX B.V.	Netherlands		100	%
Elgar Holdings, Inc.	Delaware		100	%
AMETEK Programmable Power, Inc.	Delaware		100	%
EMA Corp.	Delaware		100	%
Amekai (BVI), Ltd.	British Virgin Islands		50	%
AMETEK Advanced Industries, Inc.	Delaware		100	%
AMETEK Aerospace & Defense, Inc.	Delaware		100	%
AMETEK Ameron, LLC	Delaware		100	%
Southern Aero Partners, Inc.	Oklahoma		100	%
AMETEK Aircraft Parts & Accessories, Inc.	Delaware		100	%
AMETEK CPR RUSSIA, Inc.	Delaware		100	%
AMETEK Do Brasil Ltda.	Brazil		100	%
AMETEK Grundbesitz GmbH	Germany		100	%
AMETEK Haydon Kerk, Inc.	Delaware		100	%
Tritex Corporation	Delaware		100	%
Haydon Motion Europe S.A.R.L.	France		100	%
Haydon Linear Motors (Changzhou) Co., Ltd.	China		100	%
Haydon Kerk Motion Solutions, Inc.	Massachusetts		100	%
AMETEK HSA, Inc.	Delaware		100	%
AMETEK International C.V.	Netherlands		99	%
AMETEK Holdings B.V.	Netherlands		100	%

Name of Subsidiary and name under which it does business	State or other jurisdiction  of incorporation or organization	Percentage of  voting securities owned by its immediate parent*
AMETEK Denmark A/S	Denmark		100	%
AMETEK Holdings de Mexico, S. de R.L.	Mexico		50	%
AMETEK Latin America Holding Company S.à r.l.	Luxembourg		100	%
AMETEK Mexico Holding Company, LLC	Delaware		100	%
AMETEK Lamb Motores de Mexico,S.deR.L. de C.V.	Mexico		99.99	%
AMETEK Italia S.r.l.	Italy		100	%
AMETEK Europe L.L.C.	Delaware		100	%
AMETEK UK Limited Partnership	United Kingdom		99.998	%
AMETEK European Holdings Limited	United Kingdom		100	%
AMETEK Elektromotory, s.r.o	Czech Republic		99.97	%
AMETEK Singapore Private Ltd.	Singapore		100	%
Amekai Singapore Private Ltd.	Singapore		50	%
Amekai Meter (Xiamen) Co.,Ltd.	China		100	%
Amekai Taiwan Co., Ltd.	Taiwan		50	%
AMETEK Commercial Enterprise Shanghai	China		100	%
AMETEK Instruments India Private Ltd.	India		100	%
AMETEK Motors Asia Pte., Ltd.	Singapore		100	%
AMETEK Motors (Shanghai) Co., Ltd.	China		100	%
EMA Holdings UK Limited	England		100	%
AEM Limited	England		100	%
Aeromedic Innovations Ltd (Dormant)	England		100	%
Aviation Windings Ltd. (Dormant)	England		100	%
Aircontrol Technologies Ltd. (Dormant)	England		100	%
Airtechnology Holdings Ltd. (Dormant)	England		100	%
Airscrew Ltd. (Dormant)	England		100	%
AMETEK Airtechnology Group Ltd.	England		100	%
Airtechnology Pension Trustees Ltd	England		100	%
AMETEK Holdings (UK) Ltd. (Dormant)	England		100	%
OOO “AMETEK”	Russia		99	%
AMETEK Precision Instruments (UK) Ltd.	England		100	%
AMETEK Russia (UK) Ltd.	England		100	%
Land Instruments International Ltd.	England		100	%
AMETEK Material Analysis
Holdings GmbH	Germany		100	%
AMETEK Holdings SARL	France		74	%
Antavia SAS	France		100	%
CAMECA SAS	France		100	%
AMETEK Korea Co., Ltd.	Korea		100	%
CAMECA Instruments, Inc.	New York		100	%
CAMECA Taiwan Corp. Ltd.	Taiwan		100	%
CAMECA UK Ltd.	England		100	%
CAMECA GmbH	Germany		100	%
RETE Holding AG	Switzerland		100	%
EM Test (Switzerland) GmbH	Switzerland		100	%
EM Test (USA), Inc.	New Hampshire		100	%
EM Test GmbH	Germany		100	%
Lüthi Elektronik-Feinmechanik AG	Switzerland		100	%
SPECTRO Analytical
Instruments GmbH	Germany		100	%

Name of Subsidiary and name under which it does business	State or other jurisdiction  of incorporation or organization	Percentage of  voting securities owned by its immediate parent*
SPECTRO Analytical Instruments
(Asia-Pacific) Ltd.	Hong Kong		100	%
SPECTRO Analytical
Instruments, Inc.	Delaware		100	%
SPECTRO Analytical
Instruments (Pty). Ltd.	South Africa		100	%
SPECTRO Analytical UK Limited	England		100	%
Lloyd Instruments Ltd.	England		100	%
AMETEK SAS	France		63	%
Muirhead Aerospace Ltd.	England		100	%
Traxsys Input Products Ltd. (Dormant)	England		100	%
Norcroft Dynamics Ltd. (Dormant)	England		100	%
Solartron Instruments Ltd. (Dormant)	England		100	%
Taylor Hobson Holdings Ltd.	England		100	%
Taylor Hobson Overseas Ltd	England		100	%
AMETEK GmbH	Germany		62	%
AMETEK Nordic AB	Sweden		100	%
AMETEK Kabushiki Kaisha	Japan		100	%
AMETEK S.r.l.	Italy		100	%
Taylor Hobson Ltd.	England		100	%
Solartron Metrology Ltd.	England		100	%
Solartron Metrology 2001 Ltd.	England		100	%
Taylor Hobson, Inc.	Delaware		100	%
Taylor Hobson Trustees Limited	England		100	%
TH Acquisition Company Ltd. (Dormant)	England		100	%
EMA MX, LLC	Delaware		100	%
AMETEK Land, Inc.	Delaware		100	%
AMETEK Motors Hong Kong Ltd.	Hong Kong		100	%
AMETEK Precitech, Inc.	Delaware		100	%
AMETEK TSE, Inc.	Delaware		100	%
TSE Acquisition Corporation	Delaware		100	%
Technical Services for Electronics, Inc.	Minnesota		100	%
AMETEK VIS-K, Inc.	Delaware		100	%
Atlas Material Holdings Corporation	Delaware		100	%
Atlas Material Testing Technology L.L.C.	Delaware		100	%
Atlas Netherlands AcquisitionCo Coöperatief U.A.	Netherlands		99.99	%
Atlas Material Testing Technology GmbH	Germany		100	%
MTL Light Solutions GmbH	Germany		100	%
Atlas Material Testing Technology BV	Netherlands		100	%
Atlas Material Testing Technology (India)
Private Limited	India		100	%
Atlas Material Testing Technology Limited	England		100	%
MCG Acquisition Corporation	Minnesota		100	%
HCC Industries, Inc.	Delaware		100	%
AMETEK Ceramics, Inc.	Delaware		100	%
Glasseal Products, Inc.	New Jersey		100	%
Sealtron Acquisition Corp.	Delaware		100	%
Sealtron, Inc.	Delaware		100	%

Name of Subsidiary and name under which it does business	State or other jurisdiction  of incorporation or organization	Percentage of  voting securities owned by its immediate parent*
HCC Aegis, Inc.	Delaware		100	%
HCC Industries International	California		100	%
HCC Machining Co., Inc.	Delaware		100	%
Hermetic Seal Corporation	Delaware		100	%
Norfolk Avon Realty Trust (Dormant)	Massachusetts		100	%
HP Acquisition Corp	Delaware		100	%
Hamilton Precision Metals, Inc	Delaware		100	%
Hamilton Precision Metals of Delaware, Inc.	Delaware		100	%
KBA Holding, Inc.	Delaware		100	%
KBA Enterprises, Inc.	Delaware		100	%
Reading Alloys, Inc.	Pennsylvania		100	%
RAI Enterprises, Inc.	Delaware		100	%
NewAge Testing Instruments, Inc.	Pennsylvania		100	%
Reichert Holdings, Inc	Delaware		100	%
Reichert, Inc	Delaware		100	%
Reichert Instruments GmbH	Germany		100	%
Rotron Incorporated	New York		100	%
AMETEK Technical & Industrial Products, Inc.	Minnesota		51.9	%
SCPH Holdings, Inc.	Delaware		100	%
AMETEK SCP, Inc.	Rhode Island		100	%
AMETEK SCP (Barrow) Limited	England		100	%
Seiko EG&G Co. Ltd.	Japan		49	%
Solidstate Controls, LLC	Delaware		100	%
HDR Power Systems, LLC	Delaware		100	%
Solidstate Controls, Inc. de Argentina S.R.L.	Argentina		90	%
Solidstate Controls Mexico, S.A. de C.V.	Mexico		99.9	%
Technical Manufacturing Corporation	Massachusetts		100	%
Vision Research, Inc.	Delaware		100	%
Vision Research Europe B.V.	Netherlands		100	%
Vision Research Limited	England		100	%
Vision Research srl	Romania		100	%

* Exclusive of directors’ qualifying shares and shares held by nominees as required by the laws of the jurisdiction of incorporation.

EX-23

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

(1) Registration Statement (Form S-8 No. 333-80449) pertaining to the 1999 Stock Incentive Plan of AMETEK, Inc.,

(2) Registration Statement (Form S-8 No. 333-97969) pertaining to the 2002 Stock Incentive Plan of AMETEK, Inc.,

(3) Registration Statement (Form S-8 No. 333-142824) pertaining to the AMETEK, Inc. 2007 Omnibus Incentive Compensation Plan,

(4) Registration Statement (Form S-8 No. 333-173988) pertaining to the AMETEK, Inc. 2011 Omnibus Incentive Compensation Plan,

(5) Registration Statement (Form S-8 No. 333-87491) pertaining to the AMETEK Retirement and Savings Plan,

(6) Registration Statement (Form S-8 No. 333-91507) pertaining to the AMETEK, Inc. Deferred Compensation Plan,

(7) Registration Statement (Form S-8 No. 333-176068) pertaining to the Hamilton Precision Metals 401(k) Employee Savings Plan and Solidstate Controls, Inc. Hourly Employees’ (CWA) Retirement Plan, and

(8) Registration Statement (Form S-3 No. 333-75892) of AMETEK, Inc.

of our reports dated February 23, 2012, with respect to the consolidated financial statements of AMETEK, Inc. and the effectiveness of internal control over financial reporting of AMETEK, Inc., included in this Annual Report (Form 10-K) of AMETEK, Inc. for the year ended December 31, 2011.

/s/ ERNST & YOUNG LLP

Philadelphia, Pennsylvania

February 23, 2012

EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Frank S. Hermance, certify that:

1. I have reviewed this Annual Report on Form 10-K of AMETEK, Inc. (the “registrant”);

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 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 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 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 23, 2012

/s/ Frank S. Hermance

Frank S. Hermance

Chairman of the Board and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, John J. Molinelli, certify that:

1. I have reviewed this Annual Report on Form 10-K of AMETEK, Inc. (the “registrant”);

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 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 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 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 23, 2012

/s/ John J. Molinelli

John J. Molinelli

Executive Vice President - Chief Financial Officer

EX-32.1

Exhibit 32.1

AMETEK, Inc.

Certification Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report of AMETEK, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Frank S. Hermance, Chairman of the Board and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(a) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Frank S. Hermance

Frank S. Hermance

Chairman of the Board and Chief Executive Officer

Date: February 23, 2012

A signed original of this written statement required by Section 906 has been provided to AMETEK, Inc. and will be retained by AMETEK, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

AMETEK, Inc.

Certification Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Annual Report of AMETEK, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John J. Molinelli, Executive Vice President - Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(a) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ John J. Molinelli

John J. Molinelli

Executive Vice President - Chief Financial Officer

Date: February 23, 2012

A signed original of this written statement required by Section 906 has been provided to AMETEK, Inc. and will be retained by AMETEK, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Reportable Segments and Geographic Areas Information (Tables)

12 Months Ended

Dec. 31, 2011

Reportable Segments and Geographic Areas Information [Abstract]

Reportable Segment Financial Information

	2011			2010			2009
	(In thousands)
Net sales(1):
Electronic Instruments	$	1,647,195		$	1,324,113		$	1,146,578
Electromechanical		1,342,719			1,146,839			951,777
Consolidated net sales	$	2,989,914		$	2,470,952		$	2,098,355
Operating income and income before income taxes:
Segment operating income(2):
Electronic Instruments	$	420,197		$	316,184		$	232,875
Electromechanical		262,710			210,397			166,582
Total segment operating income		682,907			526,581			399,457
Corporate administrative and other expenses		(46,966	)		(44,423	)		(33,407	)
Consolidated operating income		635,941			482,158			366,050
Interest and other expenses, net		(79,299	)		(75,908	)		(71,417	)
Consolidated income before income taxes	$	556,642		$	406,250		$	294,633
Assets:
Electronic Instruments	$	2,154,502		$	1,959,586
Electromechanical		1,965,665			1,753,041
Total segment assets		4,120,167			3,712,627
Corporate		199,323			106,288
Consolidated assets	$	4,319,490		$	3,818,915
Additions to property, plant and equipment(3):
Electronic Instruments	$	27,196		$	31,496		$	22,220
Electromechanical		30,977			26,690			16,668
Total segment additions to property, plant and equipment		58,173			58,186			38,888
Corporate		2,419			3,240			2,161
Consolidated additions to property, plant and equipment	$	60,592		$	61,426		$	41,049
Depreciation and amortization:
Electronic Instruments	$	39,749		$	32,893		$	32,635
Electromechanical		46,143			38,524			32,444
Total segment depreciation and amortization		85,892			71,417			65,079
Corporate		640			1,479			421
Consolidated depreciation and amortization	$	86,532		$	72,896		$	65,500

(1) After elimination of intra- and intersegment sales, which are not significant in amount.

(2) Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense.

(3) Includes $9.8 million in 2011, $22.2 million in 2010 and $8.0 million in 2009 from acquired businesses.

Information about the Company's operations in different geographic areas

	2011		2010		2009
	(In thousands)
Net sales:
United States	$	1,488,773	$	1,259,608	$	1,066,644
International(1):
United Kingdom		174,714		174,980		170,229
European Union countries		456,035		362,463		339,328
Asia		546,542		405,200		308,805
Other foreign countries		323,850		268,701		213,349
Total international		1,501,141		1,211,344		1,031,711
Total consolidated	$	2,989,914	$	2,470,952	$	2,098,355
Long-lived assets from continuing operations (excluding intangible assets):
United States	$	215,987	$	206,869
International(2):
United Kingdom		34,093		34,031
European Union countries		52,832		54,815
Asia		8,496		8,862
Other foreign countries		13,921		13,549
Total international		109,342		111,257
Total consolidated	$	325,329	$	318,126

(1) Includes U.S. export sales of $774.9 million in 2011, $564.5 million in 2010 and $414.1 million in 2009.

(2) Represents long-lived assets of foreign-based operations only.

XML

Income Taxes (Details 2)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reconciliation of effective tax rate to the U.S. Federal statutory rate
U. S. Federal statutory rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	2.00%	1.90%	0.40%
Foreign operations, net	(4.90%)	(3.40%)	(4.20%)
Other	(1.20%)	(3.40%)	(1.00%)
Consolidated effective tax rate	30.90%	30.10%	30.20%

XML

Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Changes in the carrying amounts of goodwill by segment
Beginning Balance	$ 1,573,645,000	$ 1,277,300,000
Goodwill acquired	238,100,000	313,500,000
Purchase price allocation adjustments and other	1,700,000	1,500,000
Foreign currency translation adjustments	(7,200,000)	(18,700,000)
Ending Balance	1,806,237,000	1,573,645,000
EIG [Member]
Changes in the carrying amounts of goodwill by segment
Beginning Balance	864,400,000	746,900,000
Goodwill acquired	135,700,000	105,200,000
Purchase price allocation adjustments and other	3,700,000	25,800,000
Foreign currency translation adjustments	(6,100,000)	(13,500,000)
Ending Balance	997,700,000	864,400,000
EMG [Member]
Changes in the carrying amounts of goodwill by segment
Beginning Balance	709,200,000	530,400,000
Goodwill acquired	102,400,000	208,300,000
Purchase price allocation adjustments and other	(2,000,000)	(24,300,000)
Foreign currency translation adjustments	(1,100,000)	(5,200,000)
Ending Balance	$ 808,500,000	$ 709,200,000

XML

Retirement Plans and Other Postretirement Benefits (Details 4) (USD $) In Thousands, unless otherwise specified						12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 U.S. Defined Benefit Pension Plans [Member]	Dec. 31, 2010 U.S. Defined Benefit Pension Plans [Member]	Dec. 31, 2009 U.S. Defined Benefit Pension Plans [Member]	Dec. 31, 2011 U.S. Defined Benefit Pension Plans [Member] Alternative Investments [Member] Level 3 [Member]	Dec. 31, 2010 U.S. Defined Benefit Pension Plans [Member] Alternative Investments [Member] Level 3 [Member]
Summary of changes of the fair value of the U.S. plans' investments using significant unobservable inputs
Fair value of plan assets at the beginning of the year	$ 566,820	$ 592,442	$ 441,715	$ 465,903	$ 430,513	$ 0	$ 18,958
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year						807
Realized gains (losses) relating to assets sold during the year							755
Purchases, sales, issuances and settlements, net						17,925	(19,713)
Fair value of plan assets at the end of the year	$ 566,820	$ 592,442	$ 441,715	$ 465,903	$ 430,513	$ 18,732	$ 0

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Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reconciliation of liability for uncertain tax positions
Balance at the beginning of the year	$ 22.8	$ 26.5	$ 18.6
Additions for tax positions related to the current year	1.4	1.2	8.8
Additions for tax positions of prior years	6.5	2.7	2.5
Reductions for tax positions of prior years	(2.0)	(3.5)	(1.4)
Reductions related to settlements with taxing authorities		(4.1)	(2.0)
Reductions due to statute expirations	(0.2)
Balance at the end of the year	$ 28.5	$ 22.8	$ 26.5

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Retirement Plans and Other Postretirement Benefits (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Retirement Plans And Other Postretirement Benefits (Textual)
Defined benefit plan estimated future employer contributions in next fiscal year range, Minimum	$ 3,000,000
Defined benefit plan estimated future employer contributions in next fiscal year range, Maximum	6,000,000
Percentage of minimum employee contribution	20.00%
Percentage of maximum employee contribution	100.00%
Percentage of employee contribution for eligible compensation, Minimum	1.00%
Percentage of employee contribution for eligible compensation, Maximum	8.00%
Defined benefit plan contributions by employer employee match	1,200
Expected long term return on plan assets	8.00%	8.25%
Number of equity securities in AMETEK common stock	626,324	861,300
Total market value of equity securities in AMETEK common stock	26,400,000	33,800,000
Percentage of equity securities in company common stock included in plan assets	6.00%	7.30%
Expected amount of amortization related to net actuarial losses and prior service costs	11,400,000
Estimated future benefit payments, 2012	29,668,000
Estimated future benefit payments, 2013	30,328,000
Estimated future benefit payments, 2014	31,126,000
Estimated future benefit payments, 2015	31,912,000
Estimated future benefit payments, 2016	32,889,000
Estimated future benefit payments, 2017 to 2021	177,481,000
Amount deferred under the compensation plan, including income earned	$ 19,500,000	$ 16,900,000
U.S. Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations for the U.S. and foreign benefits plans, equity securities	50.00%
Target allocations for the U.S. and foreign benefits plans, fixed income securities	25.00%
Target allocations for the U.S. and foreign benefits plans, other securities	25.00%
Assumed rate of return next year	8.00%
Foreign Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations for the U.S. and foreign benefits plans, equity securities	74.00%
Target allocations for the U.S. and foreign benefits plans, fixed income securities	17.00%
Target allocations for the U.S. and foreign benefits plans, other securities	9.00%
Assumed rate of return next year	6.96%

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Acquisitions (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2012	Dec. 31, 2011
Allocation of aggregate purchase price of acquired net assets
Property, plant and equipment		$ 13.6
Goodwill		238.1
Other intangible assets		260.0
Deferred income taxes		(37.0)
Net working capital and other		0.2
Total purchase price	$ 175.0	$ 474.9

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Components of income before income taxes and the details of the provision for income taxes

	2011			2010			2009
	(In thousands)
Income before income taxes:
Domestic	$	366,654		$	266,783		$	207,831
Foreign		189,988			139,467			86,802
Total	$	556,642		$	406,250		$	294,633
Provision for income taxes:
Current:
Federal	$	103,598		$	70,008		$	58,247
Foreign		39,516			37,514			22,123
State		16,910			11,022			2,725
Total current		160,024			118,544			83,095
Deferred:
Federal		14,051			7,071			7,024
Foreign		(2,508	)		(3,105	)		(1,464	)
State		611			(192	)		208
Total deferred		12,154			3,774			5,768
Total provision	$	172,178		$	122,318		$	88,863

Components of the deferred tax (asset) liability

	2011			2010
	(In thousands)
Current deferred tax (asset) liability:
Reserves not currently deductible	$	(20,874	)	$	(19,795	)
Share-based compensation		(4,234	)		(4,989	)
Net operating loss carryforwards		(2,264	)		(2,344	)
Foreign tax credit carryforwards		—			(2,018	)
Other		(1,896	)		2,040
Net current deferred tax asset	$	(29,268	)	$	(27,106	)
Noncurrent deferred tax (asset) liability:
Differences in basis of property and accelerated depreciation	$	27,329		$	28,697
Reserves not currently deductible		(22,822	)		(21,953	)
Pensions		8,720			31,927
Differences in basis of intangible assets and accelerated amortization		376,986			287,645
Net operating loss carryforwards		(1,241	)		(9,077	)
Share-based compensation		(8,548	)		(10,422	)
Foreign tax credit carryforwards		(331	)		—
Other		8,581			(494	)
		388,674			306,323
Less: Valuation allowance		414			5,143
Net noncurrent deferred tax liability		389,088			311,466
Net deferred tax liability	$	359,820		$	284,360

Reconciliation of effective tax rate to the U.S. Federal statutory rate

	2011			2010			2009
U.S. Federal statutory rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal income tax benefit		2.0			1.9			0.4
Foreign operations, net		(4.9	)		(3.4	)		(4.2	)
Other		(1.2	)		(3.4	)		(1.0	)
Consolidated effective tax rate		30.9	%		30.1	%		30.2	%

Reconciliation of liability for uncertain tax positions

	2011			2010			2009
	(In millions)
Balance at the beginning of the year	$	22.8		$	26.5		$	18.6
Additions for tax positions related to the current year		1.4			1.2			8.8
Additions for tax positions of prior years		6.5			2.7			2.5
Reductions for tax positions of prior years		(2.0	)		(3.5	)		(1.4	)
Reductions related to settlements with taxing authorities		—			(4.1	)		(2.0	)
Reductions due to statute expirations		(0.2	)		—			—
Balance at the end of the year	$	28.5		$	22.8		$	26.5

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Guarantees (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Changes in accrued product warranty obligation
Balance at the beginning of the year	$ 18,347	$ 16,035
Accruals for warranties issued during the year	13,247	10,616	8,200
Settlements made during the year	(10,175)	(9,691)
Changes in liability for pre-existing warranties, including expirations during the year		(262)
Warranty accruals related to acquired businesses and other during the year	1,047	1,649
Balance at the end of the year	$ 22,466	$ 18,347	$ 16,035

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Retirement Plans and Other Postretirement Benefits (Details 7) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
U.S. Defined Benefit Pension Plans [Member]
Defined benefit plan, plans with benefit obligations in excess of plan assets
Projected benefit obligation exceeds fair value of assets, projected benefit obligation	$ 5,558	$ 4,757
Projected benefit obligation exceeds fair value of assets, fair value of plan assets	0	0
Accumulated benefit obligation exceeds fair value of assets, projected benefit obligation	5,558	4,757
Accumulated benefit obligation exceeds fair value of assets, fair value of plan assets	0	0
Foreign Defined Benefit Pension Plans [Member]
Defined benefit plan, plans with benefit obligations in excess of plan assets
Projected benefit obligation exceeds fair value of assets, projected benefit obligation	61,580	59,966
Projected benefit obligation exceeds fair value of assets, fair value of plan assets	50,125	51,040
Accumulated benefit obligation exceeds fair value of assets, projected benefit obligation	7,871	9,612
Accumulated benefit obligation exceeds fair value of assets, fair value of plan assets	$ 467	$ 2,057

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Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Quarterly Financial Data
Net sales	$ 762,751	$ 750,546	$ 758,834	$ 717,783	$ 677,975	$ 644,374	$ 591,941	$ 556,662	$ 2,989,914	$ 2,470,952	$ 2,098,355
Operating income	167,380	159,586	156,955	152,020	135,524	128,593	115,595	102,446	635,941	482,158	366,050
Net income	$ 101,907	$ 97,978	$ 94,144	$ 90,435	$ 81,239	$ 77,357	$ 67,391	$ 57,945	$ 384,464	$ 283,932	$ 205,770
Basic earnings per share	$ 0.64	$ 0.61	$ 0.59	$ 0.57	$ 0.51	$ 0.49	$ 0.43	$ 0.36	$ 2.40	$ 1.79	$ 1.28
Diluted earnings per share	$ 0.63	$ 0.60	$ 0.58	$ 0.56	$ 0.50	$ 0.48	$ 0.42	$ 0.36	$ 2.37	$ 1.76	$ 1.27
Dividends paid per share	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.04	$ 0.04	$ 0.04	$ 0.24	$ 0.18

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Debt (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Long-term debt
Total debt	$ 1,263,924	$ 1,168,512
Less: Current portion	(140,508)	(97,152)
Total long-term debt	1,123,416	1,071,360
6.59% senior notes due September 2015 [Member]
Long-term debt
Total debt	90,000	90,000
6.69% senior notes due December 2015 [Member]
Long-term debt
Total debt	35,000	35,000
6.20% senior notes due December 2017 [Member]
Long-term debt
Total debt	270,000	270,000
6.35% senior notes due July 2018 [Member]
Long-term debt
Total debt	80,000	80,000
7.08% senior notes due September 2018 [Member]
Long-term debt
Total debt	160,000	160,000
7.18% senior notes due December 2018 [Member]
Long-term debt
Total debt	65,000	65,000
6.30% senior notes due December 2019 [Member]
Long-term debt
Total debt	100,000	100,000
British pound 5.99% senior note due November 2016 [Member]
Long-term debt
Total debt	62,170	62,396
British pound 4.68% senior note due September 2020 [Member]
Long-term debt
Total debt	124,339	124,792
Euro 3.94% senior note due August 2015 [Member]
Long-term debt
Total debt	64,800	66,850
Swiss franc 2.44% senior note due December 2021
Long-term debt
Total debt	58,686	0
Revolving credit loan [Member]
Long-term debt
Total debt	134,200	92,000
Other, principally foreign [Member]
Long-term debt
Total debt	$ 19,729	$ 22,474

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Retirement Plans and Other Postretirement Benefits (Details 10) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Defined benefit plans:
Service cost	$ 4,362	$ 3,921	$ 4,517
Interest cost	28,515	27,874	28,239
Expected return on plan assets	(45,049)	(41,991)	(35,711)
Amortization of:
Net actuarial loss	4,727	6,949	13,165
Prior service costs	75	83	138
Transition asset	(22)	(21)	(18)
Pension (income) expense	(7,392)	(3,185)	10,330
Pension curtailment charge		41
Total net periodic benefit (income) expense	(7,392)	(3,144)	10,330
Other plans:
Defined contribution plans	14,571	12,505	12,521
Foreign plans and other	5,586	4,442	3,977
Total other plans	20,157	16,947	16,498
Total net pension expense	$ 12,765	$ 13,803	$ 26,828

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Additional Consolidated Income Statement and Cash Flow Information (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Additional Consolidated Income Statement and Cash Flow Information (Textual)
Interest and other investment income	$ 0.8	$ 1.1	$ 0.9
Income taxes paid	130.1	95.9	84.3
Cash paid for interest	$ 68.2	$ 66.8	$ 68.0

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Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Site	Dec. 31, 2010
Contingencies (Textual)
Number of non-owned sites Company is named Potentially Responsible Party	15
Number of non-owned sites the Company is identified as a de minimis party	14
Number of non-owned sites Company has reached tentative settlement agreement	10
Number of non-owned sites Company is still working to establish settlement amount	4
Total environmental reserves	$ 28.0	$ 31.3
Reserves related to business acquisition	1.2
Total expenses related to environmental matters	4.5
Reserves related to an owned site acquired	17.5	18.9
Receivables related to HCC for probable recoveries from third-party funds	14.3
Amount for which the Company is indemnified by HCC's former owners	$ 19.0

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Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	12 Months Ended
	Nov. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Stockholders' Equity (Textual)
Repurchase of common stock, shares		1,677,000,000	3,071,000,000
Repurchase of common stock under share repurchase authorization		$ 59.3	$ 78.6
Common stock repurchase authorization, Total		105.5	64.9
Increase of common stock repurchase authorization	100
Existing share repurchase authorization			5.5
Existing share repurchase authorization approved			75
Treasury stock, shares		8,800,000	7,300,000
Treasury stock, cost		$ 209.8	$ 153.6
Number of shares outstanding		160,400,000	160,700,000

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Retirement Plans and Other Postretirement Benefits (Details 11)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
U.S. Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.60%	5.90%	6.50%
Expected return on plan assets	8.00%	8.25%	8.25%
Rate of compensation increase (where applicable)	3.75%	3.75%	3.75%
Foreign Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.71%	5.98%	6.09%
Expected return on plan assets	6.96%	6.97%	6.97%
Rate of compensation increase (where applicable)	2.97%	2.98%	2.98%

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Retirement Plans and Other Postretirement Benefits (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	$ 566,820	$ 592,442
Foreign Defined Benefit Pension Plans [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	125,105	126,539	112,503
Foreign Defined Benefit Pension Plans [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	109,250	113,166
Foreign Defined Benefit Pension Plans [Member] | Cash [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	4,920	4,336
Foreign Defined Benefit Pension Plans [Member] | Cash [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	4,920	4,336
Foreign Defined Benefit Pension Plans [Member] | U.S. Mutual equity funds [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	10,224	10,141
Foreign Defined Benefit Pension Plans [Member] | U.S. Mutual equity funds [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	10,224	10,141
Foreign Defined Benefit Pension Plans [Member] | Foreign mutual equity funds [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	72,221	77,260
Foreign Defined Benefit Pension Plans [Member] | Foreign mutual equity funds [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	72,221	77,260
Foreign Defined Benefit Pension Plans [Member] | Real estate [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	404	2,647
Foreign Defined Benefit Pension Plans [Member] | Real estate [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	404	2,647
Foreign Defined Benefit Pension Plans [Member] | Mutual bond funds - Global [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	21,481	18,782
Foreign Defined Benefit Pension Plans [Member] | Mutual bond funds - Global [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	21,481	18,782
Foreign Defined Benefit Pension Plans [Member] | Life insurance [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	15,855	13,373
Foreign Defined Benefit Pension Plans [Member] | Life insurance [Member] | Level 2 [Member]
Fair value of plan assets for foreign defined benefit pension
Fair value of plan assets	$ 0	$ 0

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Stockholders' Equity

12 Months Ended

Dec. 31, 2011

Stockholders' Equity [Abstract]

Stockholders' Equity

18. Stockholders’ Equity

In 2010, the Company repurchased approximately 3,071,000 shares of common stock for $78.6 million in cash under its share repurchase authorization. At December 31, 2010, $64.9 million was available under the Board authorization for future share repurchases. In 2011, the Company repurchased approximately 1,677,000 shares of common stock for $59.3 million in cash under its share repurchase authorization. In November 2011, the Board of Directors approved an increase of $100 million in the authorization for the repurchase of the Company’s common stock. This increase was added to the $5.5 million that remained available from an existing $75 million authorization approved in 2010. At December 31, 2011, $105.5 million was available under the Board authorization for future share repurchases.

At December 31, 2011, the Company held 8.8 million shares in its treasury at a cost of $209.8 million, compared with 7.3 million shares at a cost of $153.6 million at December 31, 2010. The number of shares outstanding at December 31, 2011 was 160.4 million shares, compared with 160.7 million shares at December 31, 2010.

The Company has a Shareholder Rights Plan, under which the Company’s Board of Directors declared a dividend of one Right for each share of Company common stock owned at the close of business on June 2, 2007, and has authorized the issuance of one Right for each share of common stock of the Company issued between the Record Date and the Distribution Date. The Plan provides, under certain conditions involving acquisition of the Company’s common stock, that holders of Rights, except for the acquiring entity, would be entitled (i) to purchase shares of preferred stock at a specified exercise price, or (ii) to purchase shares of common stock of the Company, or the acquiring company, having a value of twice the Rights exercise price. The Rights under the Plan expire in June 2017.

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Goodwill and Other Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Goodwill and Other Intangible Assets (Textual)
Amortization expense	$ 37.6	$ 27.5	$ 23.3
Future amortization expense, 2012	45.0
Future amortization expense, 2013	45.0
Future amortization expense, 2014	45.0
Future amortization expense, 2015	45.0
Future amortization expense, 2016	$ 45.0

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Significant Accounting Policies (Details) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Weighted average shares:
Basic shares	160,255	159,056	160,182
Equity-based compensation plans	1,853	1,828	1,593
Diluted shares	162,108	160,884	161,775

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Retirement Plans and Other Postretirement Benefits (Details 9) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net amounts recognized:
Net actuarial loss	$ 98,345	$ 50,677
Prior service costs	93	139
Transition asset	(5)	(18)
Total recognized	98,433	50,798
Other changes in pension plan assets and benefit obligations recognized in other comprehensive income, net of taxes:
Net actuarial (loss) gain	50,582	(10,871)	(18,086)
Amortization of net actuarial loss	(2,914)	(4,306)	(8,079)
Loss recognized due to curtailment		(993)
Amortization of prior service costs	(46)	(149)	(85)
Amortization of transition asset	13	(4)	11
Total recognized	$ 47,635	$ (16,323)	$ (26,239)

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Retirement Plans and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Retirement Plans and Other Postretirement Benefits [Abstract]

Net projected benefit obligation and the fair value of plan assets for the funded and unfunded defined benefit plans

U.S. Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation (“PBO”):
Net projected benefit obligation at the beginning of the year	$	384,763		$	376,907
Service cost		3,095			2,917
Interest cost		21,271			21,489
Actuarial losses		34,765			9,578
Gross benefits paid		(24,962	)		(24,380	)
Plan amendments and other		—			(1,748	)
Net projected benefit obligation at the end of the year	$	418,932		$	384,763
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	465,903		$	430,513
Actual return on plan assets		527			59,520
Employer contributions		247			250
Gross benefits paid		(24,962	)		(24,380	)
Fair value of plan assets at the end of the year	$	441,715		$	465,903

Foreign Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation:
Net projected benefit obligation at the beginning of the year	$	126,334		$	110,607
Service cost		1,267			1,004
Interest cost		7,244			6,386
Acquisitions		—			9,633
Foreign currency translation adjustment		(863	)		(4,370	)
Employee contributions		403			389
Actuarial (gains) losses		(1,869	)		6,069
Gross benefits paid		(4,106	)		(3,384	)
Net projected benefit obligation at the end of the year	$	128,410		$	126,334
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	126,539		$	112,503
Actual return on plan assets		(2,347	)		15,852
Employer contributions		5,139			3,305
Employee contributions		403			389
Foreign currency translation adjustment		(523	)		(4,062	)
Gross benefits paid		(4,106	)		(3,384	)
Acquisitions		—			1,936
Fair value of plan assets at the end of the year	$	125,105		$	126,539

Accumulated benefit obligation ("ABO")

U.S. Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	402,306	$	370,610
Unfunded plans		5,558		4,757
Total	$	407,864	$	375,367

Foreign Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	112,540	$	107,506
Unfunded plans		7,339		7,432
Total	$	119,879	$	114,938

Weighted average assumptions used to determine benefit obligations

	2011			2010
U.S. Defined Benefit Pension Plans:
Discount rate		5.00	%		5.60	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.22	%		5.71	%
Rate of compensation increase (where applicable)		2.97	%		2.97	%

Fair value of plan assets

	December 31, 2011						December 31, 2010
Asset Class	Total		Level 1		Level 2		Total		Level 1		Level 2
	(In thousands)
Cash and temporary investments	$	2,402	$	2,402	$	—	$	23,163	$	23,163	$	—
Equity securities:
AMETEK common stock		26,368		26,368		—		33,822		33,822		—
U.S. Small cap common stocks		26,033		26,033		—		35,280		35,280		—
U.S. Large cap common stocks		62,567		40,281		22,286		71,898		46,461		25,437
Diversified common stocks — U.S.		41,467		—		41,467		42,135		—		42,135
Diversified common stocks — Global		60,430		—		60,430		67,575		—		67,575
Fixed-income securities and other:
U.S. Corporate		24,856		24,856		—		37,963		37,963		—
U.S. Government		5,126		5,126		—		8,024		8,024		—
Global asset allocation*		121,296		70,855		50,441		99,058		60,226		38,832
Inflation related funds		52,438		12,438		40,000		46,985		17,349		29,636
Alternative investments:
Collective trust		18,732		—		—		—		—		—
Total investments	$	441,715	$	208,359	$	214,624	$	465,903	$	262,288	$	203,615

* This asset class was invested in diversified companies in all geographical regions.

Summary of changes of the fair value of the U.S plans' investments using significant unobservable inputs

	Alternative Investments
	(In thousands)
Balance, December 31, 2009	$	18,958
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		—
Realized gains (losses) relating to assets sold during the year		755
Purchases, sales, issuances and settlements, net		(19,713	)
Balance, December 31, 2010		—
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		807
Realized gains (losses) relating to assets sold during the year		—
Purchases, sales, issuances and settlements, net		17,925
Balance, December 31, 2011	$	18,732

Fair value of plan assets for foreign defined benefit pension plans

	December 31, 2011				December 31, 2010
Asset Class	Total		Level 2		Total		Level 2
	(In thousands)
Cash	$	4,920	$	4,920	$	4,336	$	4,336
U.S. Mutual equity funds		10,224		10,224		10,141		10,141
Foreign mutual equity funds		72,221		72,221		77,260		77,260
Real estate		404		404		2,647		2,647
Mutual bond funds — Global		21,481		21,481		18,782		18,782
Life insurance		15,855		—		13,373		—
Total investments	$	125,105	$	109,250	$	126,539	$	113,166

Summary of changes of the fair value of the foreign plans' investments using significant unobservable inputs

	Life Insurance
	(In thousands)
Balance, December 31, 2009	$	9,747
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		1,690
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		1,936
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2010		13,373
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		2,482
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		—
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2011	$	15,855

Defined benefit plan, plans with benefit obligations in excess of plan assets

U.S. Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	5,558	$	4,757	$	5,558	$	4,757
Fair value of plan assets		—		—		—		—

Foreign Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation  Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	61,580	$	59,966	$	7,871	$	9,612
Fair value of plan assets		50,125		51,040		467		2,057

Funded status of plan and amounts recognized in balance sheet

	2011			2010
	(In thousands)
Funded status asset (liability):
Fair value of plan assets	$	566,820		$	592,442
Projected benefit obligation		(547,342	)		(511,097	)
Funded status at the end of the year	$	19,478		$	81,345
Amounts recognized in the consolidated balance sheet consisted of:
Noncurrent asset for pension benefits (other assets)	$	36,490		$	95,029
Current liabilities for pension benefits		(563	)		(235	)
Noncurrent liability for pension benefits		(16,449	)		(13,449	)
Net amount recognized at the end of the year	$	19,478		$	81,345

Amounts recognized in accumulated other comprehensive income , net of taxes

Net amounts recognized:	2011			2010
	(In thousands)
Net actuarial loss	$	98,345		$	50,677
Prior service costs		93			139
Transition asset		(5	)		(18	)
Total recognized	$	98,433		$	50,798

Other changes in pension plan assets and benefit obligations recognized in other comprehensive income, net of taxes:	2011			2010			2009
	(In thousands)
Net actuarial loss (gain)	$	50,582		$	(10,871	)	$	(18,086	)
Amortization of net actuarial loss		(2,914	)		(4,306	)		(8,079	)
Loss recognized due to curtailment		—			(993	)		—
Amortization of prior service costs		(46	)		(149	)		(85	)
Amortization of transition asset		13			(4	)		11
Total recognized	$	47,635		$	(16,323	)	$	(26,239	)

Components of net periodic pension benefit expense

	2011			2010			2009
	(In thousands)
Defined benefit plans:
Service cost	$	4,362		$	3,921		$	4,517
Interest cost		28,515			27,874			28,239
Expected return on plan assets		(45,049	)		(41,991	)		(35,711	)
Amortization of:
Net actuarial loss		4,727			6,949			13,165
Prior service costs		75			83			138
Transition asset		(22	)		(21	)		(18	)
Pension (income) expense		(7,392	)		(3,185	)		10,330
Pension curtailment charge		—			41			—
Total net periodic benefit (income) expense		(7,392	)		(3,144	)		10,330
Other plans:
Defined contribution plans		14,571			12,505			12,521
Foreign plans and other		5,586			4,442			3,977
Total other plans		20,157			16,947			16,498
Total net pension expense	$	12,765		$	13,803		$	26,828

Weighted average assumptions used to determine net periodic pension benefit expense

	2011			2010			2009
U.S. Defined Benefit Pension Plans:
Discount rate		5.60	%		5.90	%		6.50	%
Expected return on plan assets		8.00	%		8.25	%		8.25	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.71	%		5.98	%		6.09	%
Expected return on plan assets		6.96	%		6.97	%		6.97	%
Rate of compensation increase (where applicable)		2.97	%		2.98	%		2.98	%

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income before income taxes:
Domestic	$ 366,654	$ 266,783	$ 207,831
Foreign	189,988	139,467	86,802
Income before income taxes	556,642	406,250	294,633
Current:
Federal	103,598	70,008	58,247
Foreign	39,516	37,514	22,123
State	16,910	11,022	2,725
Total current	160,024	118,544	83,095
Deferred:
Federal	14,051	7,071	7,024
Foreign	(2,508)	(3,105)	(1,464)
State	611	(192)	208
Total deferred	12,154	3,774	5,768
Total provision	$ 172,178	$ 122,318	$ 88,863

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Retirement Plans and Other Postretirement Benefits (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
U.S. Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	$ 407,864	$ 375,367
Foreign Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	119,879	114,938
Funded plans [Member] | U.S. Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	402,306	370,610
Funded plans [Member] | Foreign Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	112,540	107,506
Unfunded plans [Member] | U.S. Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	5,558	4,757
Unfunded plans [Member] | Foreign Defined Benefit Pension Plans [Member]
Accumulated benefit obligation
Accumulated benefit obligation	$ 7,339	$ 7,432

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Share-Based Compensation (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Total share-based compensation expense
Stock option expense	$ 8,027	$ 7,580	$ 6,297
Restricted stock expense	14,120	9,016	7,205
Total pre-tax expense	22,147	16,596	13,502
Related tax benefit	(7,083)	(5,459)	(4,223)
Reduction of net income	$ 15,064	$ 11,137	$ 9,279

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Acquisitions (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Business	Dec. 31, 2009 Business	Jan. 31, 2012	Dec. 31, 2010
Acquisitions (Textual)
Finite-lived intangible assets acquired	$ 197.0
Future amortization expense, Year One	45.0
Future amortization expense, Year Two	45.0
Future amortization expense, Year Three	45.0
Future amortization expense, Year Four	45.0
Future amortization expense, Year Five	45.0
Amount of cash paid for acquisitions	474.9	72.9		538.6
Accounts receivable included in purchase price	28.3
Number of businesses acquired	2	2
Goodwill recorded in connection with 2011 acquisitions	47.0
Contingent liabilities	2.5
Total other intangible assets acquired	260.0
Indefinite-lived intangible trademarks and trade names acquired	63.0
Purchase price of acquisition	474.9		175.0
Estimated annual sales			80
2011 Acquisitions [Member]
Acquisitions (Textual)
Future amortization expense, Year One	11.1
Future amortization expense, Year Two	11.1
Future amortization expense, Year Three	11.1
Future amortization expense, Year Four	11.1
Future amortization expense, Year Five	11.1
Customer Relationships [Member]
Acquisitions (Textual)
Finite-lived intangible assets acquired	178.9
Customer Relationships [Member] | Maximum [Member]
Acquisitions (Textual)
Amortization period for finite-lived intangible asset	20
Customer Relationships [Member] | Minimum [Member]
Acquisitions (Textual)
Amortization period for finite-lived intangible asset	12
Purchased Technology and Other [Member]
Acquisitions (Textual)
Finite-lived intangible assets acquired	$ 18.1
Purchased Technology and Other [Member] | Maximum [Member]
Acquisitions (Textual)
Amortization period for finite-lived intangible asset	20
Purchased Technology and Other [Member] | Minimum [Member]
Acquisitions (Textual)
Amortization period for finite-lived intangible asset	3

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Recent Accounting Pronouncements

12 Months Ended

Dec. 31, 2011

Recent Accounting Pronouncements [Abstract]

Recent Accounting Pronouncements

2. Recent Accounting Pronouncements

In January 2010, the FASB issued Accounting Standards Update (“ASU”) No. 2010-06, Fair Value Measurements and Disclosures (“ASU 2010-06”). ASU 2010-06 provides amendments that clarify existing disclosures and require new disclosures related to fair value measurements, providing greater disaggregated information on each class of assets and liabilities and more robust disclosures on transfers between levels 1 and 2, and activity in level 3 fair value measurements. The Company adopted the applicable provisions within ASU 2010-06 effective January 1, 2010. The Company adopted the level 3 disclosure requirements of ASU 2010-06 that are effective for fiscal years beginning after December 15, 2010 and for interim periods within those fiscal years as of January 1, 2011. The adoption of ASU 2010-06 did not have a significant impact on the Company’s fair value disclosures.

In April 2010, the FASB issued ASU No. 2010-17, Revenue Recognition — Milestone Method (“ASU 2010-17”). ASU 2010-17 establishes criteria for a milestone to be considered substantive and allows revenue recognition when the milestone is achieved in research or development arrangements. In addition, it requires disclosure of certain information with respect to arrangements that contain milestones. ASU 2010-17 was effective on January 1, 2011 for the Company and the adoption did not have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

In December 2010, the FASB issued ASU No. 2010-29, Business Combinations (“ASU 2010-29”). ASU 2010-29 addresses diversity in practice about the interpretation of the pro forma disclosure requirement for business combinations. ASU 2010-29 requires disclosure of pro forma revenue and earnings for the current reporting period as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period for both the current and any comparable periods reported. The Company adopted the disclosure requirements of ASU 2010-29 effective January 1, 2011. See Note 5.

In May 2011, the FASB issued ASU No. 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”). ASU 2011-04 amendments result in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (“IFRSs”). ASU 2011-04 is effective for fiscal years beginning after December 15, 2011. The Company has evaluated ASU 2011-04 and does not expect its adoption will have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income (“ASU 2011-05”). ASU 2011-05 requires that all nonowner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two-statement approach, the first statement should present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. These amendments do not change the items that must be reported in other comprehensive income. The Company is currently evaluating the impact of adopting ASU 2011-05 that is effective for fiscal years beginning after December 15, 2011 and does not expect its adoption to impact the Company’s consolidated financial statements other than the change in presentation.

In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment (“ASU 2011-08”). The amendments in ASU 2011-08 permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in FASB Accounting Standards Codification Topic 350, Intangibles — Goodwill and Other. ASU 2011-08 is effective for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impacts of adopting ASU 2011-08 and intends to adopt ASU 2011-08 for the year ending December 31, 2012.

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Share-Based Compensation (Details 2) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Y
Company's stock option activity and related information
Beginning balance, Outstanding, Shares	6,119
Beginning balance, Outstanding, Weighted Average Exercise Price	$ 24.25
Granted, Shares	660
Granted, Weighted Average Exercise Price	$ 44.70
Exercised, Shares	(1,165)
Exercised, Weighted Average Exercise Price	$ 18.91
Forfeited, Shares	(148)
Forfeited, Weighted Average Exercise Price	$ 28.28
Ending balance, Outstanding, Shares	5,466
Ending balance, Outstanding, Weighted Average Exercise Price	$ 27.75
Ending balance, Outstanding, Weighted Average Remaining Contractual Life (Years)	3.9
Ending balance, Outstanding, Aggregate Intrinsic Value	$ 80.1
Ending balance, Exercisable, Shares	2,926
Ending balance, Exercisable, Weighted Average Exercise Price	$ 24.95
Ending balance, Exercisable, Weighted Average Remaining Contractual Life (Years)	3.0
Ending balance, Exercisable, Aggregate Intrinsic Value	$ 50.2

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Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2011 Derivative	Dec. 31, 2010 Derivative	Dec. 31, 2009
Significant Accounting Policies (Textual)
Maximum ownership percentage of equity method investment	50.00%
Maturity period of liquid investments	three months or less
Maturity period of fixed income securities	3 years
Aggregate market value of equity and fixed-income securities	$ 7,300,000	$ 4,700,000
Amortized cost of investment	7,300,000	4,500,000
Allowance for possible losses on receivables	7,800,000	6,000,000
Percentage of FIFO method of inventory in total inventory	74.00%
Percentage of LIFO method of inventory in total inventory	26.00%
Excess of the FIFO value over the LIFO value	25,100,000	23,900,000
Accrual for future warranty obligations	22,466,000	18,347,000	16,035,000
Expense for warranty obligations	13,247,000	10,616,000	8,200,000
Product warranty period	1 year
Research and development costs	78,000,000	56,800,000	50,500,000
Shipping and handling costs	$ 35,900,000	$ 33,300,000	$ 24,600,000
Forward contracts outstanding	0	0
Investments in owned subsidiaries	100.00%
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life, minimum	4
Useful life, maximum	20
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life, minimum	5
Useful life, maximum	20
Miscellaneous Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life, minimum	3
Useful life, maximum	20
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Range of lives for depreciable assets, minimum	3
Range of lives for depreciable assets, maximum	10
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Range of lives for depreciable assets, minimum	5
Range of lives for depreciable assets, maximum	27
Buildings [Member]
Property, Plant and Equipment [Line Items]
Range of lives for depreciable assets, minimum	25
Range of lives for depreciable assets, maximum	50

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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Number of weighted average shares

	2011		2010		2009
	(In thousands)
Weighted average shares:
Basic shares		160,255		159,056		160,182
Equity-based compensation plans		1,853		1,828		1,593
Diluted shares		162,108		160,884		161,775

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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Basis of Consolidation

Basis of Consolidation

The accompanying consolidated financial statements reflect the results of operations, financial position and cash flows of AMETEK, Inc. (the “Company”), and include the accounts of the Company and subsidiaries, after elimination of all intercompany transactions in the consolidation. The Company’s investments in 50% or less owned joint ventures are accounted for by the equity method of accounting. Such investments are not significant to the Company’s consolidated results of operations, financial position or cash flows.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Cash Equivalents, Securities and Other Investments

Cash Equivalents, Securities and Other Investments

All highly liquid investments with maturities of three months or less when purchased are considered cash equivalents. At December 31, 2011 and 2010, all of the Company’s equity securities and fixed-income securities (primarily those of a captive insurance subsidiary) are classified as “available-for-sale,” although the Company may hold fixed-income securities until their maturity dates. Fixed-income securities generally mature within three years. The aggregate market value of equity and fixed-income securities at December 31, 2011 and 2010 was $7.3 million ($7.3 million amortized cost) and $4.7 million ($4.5 million amortized cost), respectively. The temporary unrealized gain or loss on such securities is recorded as a separate component of accumulated other comprehensive income (in stockholders’ equity), and is not significant. Certain of the Company’s other investments, which are not significant, are also accounted for by the equity method of accounting as discussed above.

Accounts Receivable

Accounts Receivable

The Company maintains allowances for estimated losses resulting from the inability of specific customers to meet their financial obligations to the Company. A specific reserve for doubtful receivables is recorded against the amount due from these customers. For all other customers, the Company recognizes reserves for doubtful receivables based on the length of time specific receivables are past due based on past experience. The allowance for possible losses on receivables was $7.8 million and $6.0 million at December 31, 2011 and 2010, respectively. See Note 7.

Inventories

Inventories

The Company uses the first-in, first-out (“FIFO”) method of accounting, which approximates current replacement cost, for 74% of its inventories at December 31, 2011. The last-in, first-out (“LIFO”) method of accounting is used to determine cost for the remaining 26% of the Company’s inventory at December 31, 2011. For inventories where cost is determined by the LIFO method, the excess of the FIFO value over the LIFO value was $25.1 million and $23.9 million at December 31, 2011 and 2010, respectively. The Company provides estimated inventory reserves for slow-moving and obsolete inventory based on current assessments about future demand, market conditions, customers who may be experiencing financial difficulties and related management initiatives.

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Expenditures for additions to plant facilities, or that extend their useful lives, are capitalized. The cost of minor tools, jigs and dies, and maintenance and repairs is charged to expense as incurred. Depreciation of plant and equipment is calculated principally on a straight-line basis over the estimated useful lives of the related assets. The range of lives for depreciable assets is generally three to ten years for machinery and equipment, five to 27 years for leasehold improvements and 25 to 50 years for buildings.

Revenue Recognition

Revenue Recognition

The Company recognizes revenue on product sales in the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, under which title and risk of loss have been transferred, collectability is reasonably assured and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The policy, with respect to sales returns and allowances, generally provides that the customer may not return products or be given allowances, except at the Company’s option. The Company has agreements with distributors that do not provide expanded rights of return for unsold products. The distributor purchases the product from the Company, at which time title and risk of loss transfers to the distributor. The Company does not offer substantial sales incentives and credits to its distributors other than volume discounts. The Company accounts for these sales incentives as a reduction of revenues when the sale is recognized in the income statement. Accruals for sales returns, other allowances and estimated warranty costs are provided at the time revenue is recognized based upon past experience. At December 31, 2011, 2010 and 2009, the accrual for future warranty obligations was $22.5 million, $18.3 million and $16.0 million, respectively. The Company’s expense for warranty obligations was $13.2 million in 2011, $10.6 million in 2010 and $8.2 million in 2009. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses.

In April 2010, the FASB issued ASU No. 2010-17, Revenue Recognition — Milestone Method (“ASU 2010-17”). ASU 2010-17 establishes criteria for a milestone to be considered substantive and allows revenue recognition when the milestone is achieved in research or development arrangements. In addition, it requires disclosure of certain information with respect to arrangements that contain milestones. ASU 2010-17 was effective on January 1, 2011 for the Company and the adoption did not have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

Research and Development

Research and Development

Company-funded research and development costs are charged to expense as incurred and were $78.0 million in 2011, $56.8 million in 2010 and $50.5 million in 2009.

Shipping and Handling Costs

Shipping and Handling Costs

Shipping and handling costs are included in cost of sales and were $35.9 million in 2011, $33.3 million in 2010 and $24.6 million in 2009.

Earnings Per Share

Earnings Per Share

The calculation of basic earnings per share is based on the weighted average number of common shares considered outstanding during the periods. The calculation of diluted earnings per share reflects the effect of all potentially dilutive securities (principally outstanding stock options and restricted stock grants). The number of weighted average shares used in the calculation of basic earnings per share and diluted earnings per share was as follows for the years ended December 31:

	2011		2010		2009
	(In thousands)
Weighted average shares:
Basic shares		160,255		159,056		160,182
Equity-based compensation plans		1,853		1,828		1,593
Diluted shares		162,108		160,884		161,775

Financial Instruments and Foreign Currency Translation

Financial Instruments and Foreign Currency Translation

Assets and liabilities of foreign operations are translated using exchange rates in effect at the balance sheet date and their results of operations are translated using average exchange rates for the year. Certain transactions of the Company and its subsidiaries are made in currencies other than their functional currency. Exchange gains and losses from those transactions are included in operating results for the year.

The Company makes infrequent use of derivative financial instruments. Forward contracts are entered into from time to time to hedge specific firm commitments for certain inventory purchases or export sales, thereby minimizing the Company’s exposure to raw material commodity price or foreign currency fluctuation. No forward contracts were outstanding at December 31, 2011 or 2010. In instances where transactions are designated as hedges of an underlying item, the gains and losses on those transactions are included in accumulated other comprehensive income (“AOCI”) within stockholders’ equity to the extent they are effective as hedges. The Company has designated certain foreign-currency-denominated long-term borrowings as hedges of the net investment in certain foreign operations. As of December 31, 2011, these net investment hedges are the Company’s British-pound-denominated long-term debts, pertaining to certain of its investments in 100% owned subsidiaries whose functional currency is the British pound. As of December 31, 2010, these net investment hedges included the British-pound- and Euro-denominated long-term debts. These borrowings were designed to create net investment hedges in each of the foreign subsidiaries. The Company designated the British-pound- and Euro-denominated loans referred to above as hedging instruments to offset translation gains or losses on the net investment due to changes in the British pound and Euro exchange rates. These net investment hedges were evidenced by management’s documentation supporting the contemporaneous hedge designation on the acquisition dates. Any gain or loss on the hedging instrument (the debt) following hedge designation, is reported in AOCI in the same manner as the translation adjustment on the investment based on changes in the spot rate, which is used to measure hedge effectiveness. As of December 31, 2011 and 2010, all net investment hedges were effective. At December 31, 2011, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. At December 31, 2010, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. An evaluation of hedge effectiveness is performed by the Company on an ongoing basis and any changes in the hedge are made as appropriate. See Note 4.

Share-Based Compensation

Share-Based Compensation

The Company accounts for share-based payments in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification Topic 718, Compensation–Stock Compensation. Accordingly, the Company expenses the fair value of awards made under its share-based plans. That cost is recognized in the consolidated financial statements over the requisite service period of the grants. See Note 11.

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill and other intangible assets with indefinite lives, primarily trademarks and trade names, are not amortized; rather, they are tested for impairment at least annually.

The Company identifies its reporting units at the component level, which is one level below our operating segments. Generally, goodwill arises from acquisitions of specific operating companies and is assigned to the reporting unit in which a particular operating company resides. Our reporting units are composed of business units and are one level below our operating segment and for which discrete financial information is prepared and regularly reviewed by segment management.

The Company principally relies on a discounted cash flow analysis to determine the fair value of each reporting unit, which considers forecasted cash flows discounted at an appropriate discount rate. The Company believes that market participants would use a discounted cash flow analysis to determine the fair value of its reporting units in a sales transaction. The annual goodwill impairment test requires the Company to make a number of assumptions and estimates concerning future levels of revenue growth, operating margins, depreciation, amortization and working capital requirements, which are based upon the Company’s long-range plan. The Company’s long-range plan is updated as part of its annual planning process and is reviewed and approved by management. The discount rate is an estimate of the overall after-tax rate of return required by a market participant whose weighted average cost of capital includes both equity and debt, including a risk premium. While the Company uses the best available information to prepare its cash flow and discount rate assumptions, actual future cash flows or market conditions could differ significantly resulting in future impairment charges related to recorded goodwill balances.

The impairment test for indefinite-lived intangibles other than goodwill (primarily trademarks and trade names) consists of a comparison of the fair value of the indefinite-lived intangible asset to the carrying value of the asset as of the impairment testing date. The Company estimates the fair value of its indefinite-lived intangibles using the relief from royalty method. The fair value derived from the relief from royalty method is measured as the discounted cash flow savings realized from owning such trademarks and trade names and not having to pay a royalty for their use.

The Company completed its required annual impairment tests in the fourth quarter of 2011, 2010 and 2009 and determined that the carrying values of goodwill and other intangible assets with indefinite lives were not impaired.

The Company evaluates impairment of its long-lived assets, other than goodwill and indefinite-lived intangible assets when events or changes in circumstances indicate the carrying value may not be recoverable. The carrying value of a long-lived asset group is considered impaired when the total projected undiscounted cash flows from such asset group are separately identifiable and are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of the long-lived asset group. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group. Losses on long-lived assets held for sale, other than goodwill and indefinite-lived intangible assets, are determined in a similar manner, except that fair market values are reduced for disposal costs.

Intangible assets, other than goodwill, with definite lives are amortized over their estimated useful lives. Patents are being amortized over useful lives of four to 20 years. Customer relationships are being amortized over a period of five to 20 years. Miscellaneous other intangible assets are being amortized over a period of three to 20 years. The Company periodically evaluates the reasonableness of the estimated useful lives of these intangible assets.

Income Taxes

Income Taxes

The Company’s annual provision for income taxes and determination of the related balance sheet accounts requires management to assess uncertainties, make judgments regarding outcomes and utilize estimates. The Company conducts a broad range of operations around the world and is therefore subject to complex tax regulations in numerous international taxing jurisdictions, resulting at times in tax audits, disputes and potential litigation, the outcome of which is uncertain. Management must make judgments currently about such uncertainties and determine estimates of the Company’s tax assets and liabilities. To the extent the final outcome differs, future adjustments to the Company’s tax assets and liabilities may be necessary. The Company recognizes interest and penalties accrued related to uncertain tax positions in income tax expense.

The Company also is required to assess the realizability of its deferred tax assets, taking into consideration the Company’s forecast of future taxable income, the reversal of other existing temporary differences, available net operating loss carryforwards and available tax planning strategies that could be implemented to realize the deferred tax assets. Based on this assessment, management must evaluate the need for, and amount of, valuation allowances against the Company’s deferred tax assets. To the extent facts and circumstances change in the future, adjustments to the valuation allowances may be required.

Fair Value Measurements and Disclosures

In January 2010, the FASB issued Accounting Standards Update (“ASU”) No. 2010-06, Fair Value Measurements and Disclosures (“ASU 2010-06”). ASU 2010-06 provides amendments that clarify existing disclosures and require new disclosures related to fair value measurements, providing greater disaggregated information on each class of assets and liabilities and more robust disclosures on transfers between levels 1 and 2, and activity in level 3 fair value measurements. The Company adopted the applicable provisions within ASU 2010-06 effective January 1, 2010. The Company adopted the level 3 disclosure requirements of ASU 2010-06 that are effective for fiscal years beginning after December 15, 2010 and for interim periods within those fiscal years as of January 1, 2011. The adoption of ASU 2010-06 did not have a significant impact on the Company’s fair value disclosures.

In May 2011, the FASB issued ASU No. 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs (“ASU 2011-04”). ASU 2011-04 amendments result in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (“IFRSs”). ASU 2011-04 is effective for fiscal years beginning after December 15, 2011. The Company has evaluated ASU 2011-04 and does not expect its adoption will have a significant impact on the Company’s consolidated results of operations, financial position or cash flows.

Business Combinations

In December 2010, the FASB issued ASU No. 2010-29, Business Combinations (“ASU 2010-29”). ASU 2010-29 addresses diversity in practice about the interpretation of the pro forma disclosure requirement for business combinations. ASU 2010-29 requires disclosure of pro forma revenue and earnings for the current reporting period as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period for both the current and any comparable periods reported. The Company adopted the disclosure requirements of ASU 2010-29 effective January 1, 2011. See Note 5.

Presentation of Comprehensive Income

In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income (“ASU 2011-05”). ASU 2011-05 requires that all nonowner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. In the two-statement approach, the first statement should present total net income and its components followed consecutively by a second statement that should present total other comprehensive income, the components of other comprehensive income and the total of comprehensive income. These amendments do not change the items that must be reported in other comprehensive income. The Company is currently evaluating the impact of adopting ASU 2011-05 that is effective for fiscal years beginning after December 15, 2011 and does not expect its adoption to impact the Company’s consolidated financial statements other than the change in presentation.

Goodwill Impairment

In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment (“ASU 2011-08”). The amendments in ASU 2011-08 permit an entity to first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount as a basis for determining whether it is necessary to perform the two-step goodwill impairment test described in FASB Accounting Standards Codification Topic 350, Intangibles — Goodwill and Other. ASU 2011-08 is effective for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impacts of adopting ASU 2011-08 and intends to adopt ASU 2011-08 for the year ending December 31, 2012.

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Income Taxes (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Income Taxes (Textual)
Undistributed earnings of certain other subsidiaries	$ 410,300,000
Provision for U.S. deferred income taxes on the undistributed earnings		5,700,000
Net operating loss carryforwards	3,500,000
Expiration period for operating loss carryforwards	between 2012 and 2032
U.S. foreign tax credit carryforwards	300,000
Valuation allowance	(4,700,000)
Gross unrecognized tax benefits	28,500,000	22,800,000	26,500,000	18,600,000
Total amount of unrecognized tax benefits that would impact tax rate, if recognized	25,900,000	18,300,000
Interest and penalties accrued related to uncertain tax positions	7,200,000	6,100,000
Expense (income) of interest and penalties	1,100,000	1,900,000	(700,000)
Period between open tax years subject to tax audit	three and six years
Additions of tax, interest and penalties related to uncertain tax positions	9,600,000	5,400,000
Tax and interest related to statute expirations and settlement of prior uncertain positions reversed	2,900,000	8,400,000
Amount of tax, interest and penalties classified as a noncurrent liability	30,400,000
Increase of income tax expense	3,200,000
Federal [Member]
Income Taxes (Textual)
Operating loss carryforwards	200,000
Operating loss carryforwards valuation allowance	0
State [Member]
Income Taxes (Textual)
Operating loss carryforwards	3,000,000
Operating loss carryforwards valuation allowance	100,000
Foreign [Member]
Income Taxes (Textual)
Operating loss carryforwards	300,000
Operating loss carryforwards valuation allowance	$ 0

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Fair Value Measurement (Details) (Recurring [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2011
Level 1 [Member]
Fair Value Measurement (Textual)
Marketable securities	$ 0.2
Level 2 [Member]
Fair Value Measurement (Textual)
Marketable securities	$ 4.4

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Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Acquisitions [Abstract]

Allocation of aggregate purchase price of acquired net assets

Property, plant and equipment	$	13.6
Goodwill		238.1
Other intangible assets		260.0
Deferred income taxes		(37.0	)
Net working capital and other*		0.2
Total purchase price	$	474.9

* Includes $28.3 million in accounts receivable, whose fair value, contractual cash flows and expected cash flows are approximately equal.

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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Changes in the carrying amounts of goodwill by segment

	EIG			EMG			Total
	(In millions)
Balance at December 31, 2009	$	746.9		$	530.4		$	1,277.3
Goodwill acquired		105.2			208.3			313.5
Purchase price allocation adjustments and other		25.8			(24.3	)		1.5
Foreign currency translation adjustments		(13.5	)		(5.2	)		(18.7	)
Balance at December 31, 2010		864.4			709.2			1,573.6
Goodwill acquired		135.7			102.4			238.1
Purchase price allocation adjustments and other		3.7			(2.0	)		1.7
Foreign currency translation adjustments		(6.1	)		(1.1	)		(7.2	)
Balance at December 31, 2011	$	997.7		$	808.5		$	1,806.2

Other intangible assets

	2011			2010
	(In thousands)
Definite-lived intangible assets (subject to amortization):
Patents	$	53,048		$	52,403
Purchased technology		124,773			107,170
Customer lists		657,152			479,943
Other acquired intangibles		24,865			25,944
		859,838			665,460
Accumulated amortization:
Patents		(30,913	)		(28,687	)
Purchased technology		(33,819	)		(28,026	)
Customer lists		(97,832	)		(70,982	)
Other acquired intangibles		(22,057	)		(20,825	)
		(184,621	)		(148,520	)
Net intangible assets subject to amortization		675,217			516,940
Indefinite-lived intangible assets (not subject to amortization):
Trademarks and trade names		307,740			244,616
	$	982,957		$	761,556

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Significant Accounting Policies

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Significant Accounting Policies

1. Significant Accounting Policies

Basis of Consolidation

The accompanying consolidated financial statements reflect the results of operations, financial position and cash flows of AMETEK, Inc. (the “Company”), and include the accounts of the Company and subsidiaries, after elimination of all intercompany transactions in the consolidation. The Company’s investments in 50% or less owned joint ventures are accounted for by the equity method of accounting. Such investments are not significant to the Company’s consolidated results of operations, financial position or cash flows.

Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Cash Equivalents, Securities and Other Investments

All highly liquid investments with maturities of three months or less when purchased are considered cash equivalents. At December 31, 2011 and 2010, all of the Company’s equity securities and fixed-income securities (primarily those of a captive insurance subsidiary) are classified as “available-for-sale,” although the Company may hold fixed-income securities until their maturity dates. Fixed-income securities generally mature within three years. The aggregate market value of equity and fixed-income securities at December 31, 2011 and 2010 was $7.3 million ($7.3 million amortized cost) and $4.7 million ($4.5 million amortized cost), respectively. The temporary unrealized gain or loss on such securities is recorded as a separate component of accumulated other comprehensive income (in stockholders’ equity), and is not significant. Certain of the Company’s other investments, which are not significant, are also accounted for by the equity method of accounting as discussed above.

Accounts Receivable

The Company maintains allowances for estimated losses resulting from the inability of specific customers to meet their financial obligations to the Company. A specific reserve for doubtful receivables is recorded against the amount due from these customers. For all other customers, the Company recognizes reserves for doubtful receivables based on the length of time specific receivables are past due based on past experience. The allowance for possible losses on receivables was $7.8 million and $6.0 million at December 31, 2011 and 2010, respectively. See Note 7.

Inventories

The Company uses the first-in, first-out (“FIFO”) method of accounting, which approximates current replacement cost, for 74% of its inventories at December 31, 2011. The last-in, first-out (“LIFO”) method of accounting is used to determine cost for the remaining 26% of the Company’s inventory at December 31, 2011. For inventories where cost is determined by the LIFO method, the excess of the FIFO value over the LIFO value was $25.1 million and $23.9 million at December 31, 2011 and 2010, respectively. The Company provides estimated inventory reserves for slow-moving and obsolete inventory based on current assessments about future demand, market conditions, customers who may be experiencing financial difficulties and related management initiatives.

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Expenditures for additions to plant facilities, or that extend their useful lives, are capitalized. The cost of minor tools, jigs and dies, and maintenance and repairs is charged to expense as incurred. Depreciation of plant and equipment is calculated principally on a straight-line basis over the estimated useful lives of the related assets. The range of lives for depreciable assets is generally three to ten years for machinery and equipment, five to 27 years for leasehold improvements and 25 to 50 years for buildings.

Revenue Recognition

The Company recognizes revenue on product sales in the period when the sales process is complete. This generally occurs when products are shipped to the customer in accordance with terms of an agreement of sale, under which title and risk of loss have been transferred, collectability is reasonably assured and pricing is fixed or determinable. For a small percentage of sales where title and risk of loss passes at point of delivery, the Company recognizes revenue upon delivery to the customer, assuming all other criteria for revenue recognition are met. The policy, with respect to sales returns and allowances, generally provides that the customer may not return products or be given allowances, except at the Company’s option. The Company has agreements with distributors that do not provide expanded rights of return for unsold products. The distributor purchases the product from the Company, at which time title and risk of loss transfers to the distributor. The Company does not offer substantial sales incentives and credits to its distributors other than volume discounts. The Company accounts for these sales incentives as a reduction of revenues when the sale is recognized in the income statement. Accruals for sales returns, other allowances and estimated warranty costs are provided at the time revenue is recognized based upon past experience. At December 31, 2011, 2010 and 2009, the accrual for future warranty obligations was $22.5 million, $18.3 million and $16.0 million, respectively. The Company’s expense for warranty obligations was $13.2 million in 2011, $10.6 million in 2010 and $8.2 million in 2009. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses.

Research and Development

Company-funded research and development costs are charged to expense as incurred and were $78.0 million in 2011, $56.8 million in 2010 and $50.5 million in 2009.

Shipping and Handling Costs

Shipping and handling costs are included in cost of sales and were $35.9 million in 2011, $33.3 million in 2010 and $24.6 million in 2009.

Earnings Per Share

The calculation of basic earnings per share is based on the weighted average number of common shares considered outstanding during the periods. The calculation of diluted earnings per share reflects the effect of all potentially dilutive securities (principally outstanding stock options and restricted stock grants). The number of weighted average shares used in the calculation of basic earnings per share and diluted earnings per share was as follows for the years ended December 31:

	2011		2010		2009
	(In thousands)
Weighted average shares:
Basic shares		160,255		159,056		160,182
Equity-based compensation plans		1,853		1,828		1,593
Diluted shares		162,108		160,884		161,775

Financial Instruments and Foreign Currency Translation

Assets and liabilities of foreign operations are translated using exchange rates in effect at the balance sheet date and their results of operations are translated using average exchange rates for the year. Certain transactions of the Company and its subsidiaries are made in currencies other than their functional currency. Exchange gains and losses from those transactions are included in operating results for the year.

The Company makes infrequent use of derivative financial instruments. Forward contracts are entered into from time to time to hedge specific firm commitments for certain inventory purchases or export sales, thereby minimizing the Company’s exposure to raw material commodity price or foreign currency fluctuation. No forward contracts were outstanding at December 31, 2011 or 2010. In instances where transactions are designated as hedges of an underlying item, the gains and losses on those transactions are included in accumulated other comprehensive income (“AOCI”) within stockholders’ equity to the extent they are effective as hedges. The Company has designated certain foreign-currency-denominated long-term borrowings as hedges of the net investment in certain foreign operations. As of December 31, 2011, these net investment hedges are the Company’s British-pound-denominated long-term debts, pertaining to certain of its investments in 100% owned subsidiaries whose functional currency is the British pound. As of December 31, 2010, these net investment hedges included the British-pound- and Euro-denominated long-term debts. These borrowings were designed to create net investment hedges in each of the foreign subsidiaries. The Company designated the British-pound- and Euro-denominated loans referred to above as hedging instruments to offset translation gains or losses on the net investment due to changes in the British pound and Euro exchange rates. These net investment hedges were evidenced by management’s documentation supporting the contemporaneous hedge designation on the acquisition dates. Any gain or loss on the hedging instrument (the debt) following hedge designation, is reported in AOCI in the same manner as the translation adjustment on the investment based on changes in the spot rate, which is used to measure hedge effectiveness. As of December 31, 2011 and 2010, all net investment hedges were effective. At December 31, 2011, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. At December 31, 2010, the translation losses on the net carrying value of the foreign-currency-denominated investments exceeded the translation gains on the carrying value of the underlying debt and the difference was included in AOCI. An evaluation of hedge effectiveness is performed by the Company on an ongoing basis and any changes in the hedge are made as appropriate. See Note 4.

Share-Based Compensation

The Company accounts for share-based payments in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification Topic 718, Compensation–Stock Compensation. Accordingly, the Company expenses the fair value of awards made under its share-based plans. That cost is recognized in the consolidated financial statements over the requisite service period of the grants. See Note 11.

Goodwill and Other Intangible Assets

Goodwill and other intangible assets with indefinite lives, primarily trademarks and trade names, are not amortized; rather, they are tested for impairment at least annually.

The Company identifies its reporting units at the component level, which is one level below our operating segments. Generally, goodwill arises from acquisitions of specific operating companies and is assigned to the reporting unit in which a particular operating company resides. Our reporting units are composed of business units and are one level below our operating segment and for which discrete financial information is prepared and regularly reviewed by segment management.

The Company principally relies on a discounted cash flow analysis to determine the fair value of each reporting unit, which considers forecasted cash flows discounted at an appropriate discount rate. The Company believes that market participants would use a discounted cash flow analysis to determine the fair value of its reporting units in a sales transaction. The annual goodwill impairment test requires the Company to make a number of assumptions and estimates concerning future levels of revenue growth, operating margins, depreciation, amortization and working capital requirements, which are based upon the Company’s long-range plan. The Company’s long-range plan is updated as part of its annual planning process and is reviewed and approved by management. The discount rate is an estimate of the overall after-tax rate of return required by a market participant whose weighted average cost of capital includes both equity and debt, including a risk premium. While the Company uses the best available information to prepare its cash flow and discount rate assumptions, actual future cash flows or market conditions could differ significantly resulting in future impairment charges related to recorded goodwill balances.

The impairment test for indefinite-lived intangibles other than goodwill (primarily trademarks and trade names) consists of a comparison of the fair value of the indefinite-lived intangible asset to the carrying value of the asset as of the impairment testing date. The Company estimates the fair value of its indefinite-lived intangibles using the relief from royalty method. The fair value derived from the relief from royalty method is measured as the discounted cash flow savings realized from owning such trademarks and trade names and not having to pay a royalty for their use.

The Company completed its required annual impairment tests in the fourth quarter of 2011, 2010 and 2009 and determined that the carrying values of goodwill and other intangible assets with indefinite lives were not impaired.

The Company evaluates impairment of its long-lived assets, other than goodwill and indefinite-lived intangible assets when events or changes in circumstances indicate the carrying value may not be recoverable. The carrying value of a long-lived asset group is considered impaired when the total projected undiscounted cash flows from such asset group are separately identifiable and are less than the carrying value. In that event, a loss is recognized based on the amount by which the carrying value exceeds the fair market value of the long-lived asset group. Fair market value is determined primarily using present value techniques based on projected cash flows from the asset group. Losses on long-lived assets held for sale, other than goodwill and indefinite-lived intangible assets, are determined in a similar manner, except that fair market values are reduced for disposal costs.

Intangible assets, other than goodwill, with definite lives are amortized over their estimated useful lives. Patents are being amortized over useful lives of four to 20 years. Customer relationships are being amortized over a period of five to 20 years. Miscellaneous other intangible assets are being amortized over a period of three to 20 years. The Company periodically evaluates the reasonableness of the estimated useful lives of these intangible assets.

Income Taxes

The Company’s annual provision for income taxes and determination of the related balance sheet accounts requires management to assess uncertainties, make judgments regarding outcomes and utilize estimates. The Company conducts a broad range of operations around the world and is therefore subject to complex tax regulations in numerous international taxing jurisdictions, resulting at times in tax audits, disputes and potential litigation, the outcome of which is uncertain. Management must make judgments currently about such uncertainties and determine estimates of the Company’s tax assets and liabilities. To the extent the final outcome differs, future adjustments to the Company’s tax assets and liabilities may be necessary. The Company recognizes interest and penalties accrued related to uncertain tax positions in income tax expense.

The Company also is required to assess the realizability of its deferred tax assets, taking into consideration the Company’s forecast of future taxable income, the reversal of other existing temporary differences, available net operating loss carryforwards and available tax planning strategies that could be implemented to realize the deferred tax assets. Based on this assessment, management must evaluate the need for, and amount of, valuation allowances against the Company’s deferred tax assets. To the extent facts and circumstances change in the future, adjustments to the valuation allowances may be required.

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Other Consolidated Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2011

Other Consolidated Balance Sheet Information [Abstract]

Other Consolidated Balance Sheet Information

	December 31,
	2011			2010
	(In thousands)
INVENTORIES
Finished goods and parts	$	70,315		$	46,953
Work in process		72,676			73,556
Raw materials and purchased parts		237,480			214,744
	$	380,471		$	335,253
PROPERTY, PLANT AND EQUIPMENT
Land	$	32,172		$	32,634
Buildings		211,060			209,019
Machinery and equipment		679,446			651,883
		922,678			893,536
Less: Accumulated depreciation		(597,349	)		(575,410	)
	$	325,329		$	318,126
ACCRUED LIABILITIES
Employee compensation and benefits	$	75,051		$	71,957
Severance and lease termination		11,614			18,143
Product warranty obligation		22,466			18,347
Other		72,041			69,634
	$	181,172		$	178,081

	2011			2010			2009
	(In thousands)
ALLOWANCES FOR POSSIBLE LOSSES ON ACCOUNTS AND NOTES RECEIVABLE
Balance at the beginning of the year	$	6,047		$	5,788		$	8,489
Additions charged to expense		2,458			1,466			1,139
Recoveries credited to allowance		11			120			70
Write-offs		(585	)		(1,036	)		(4,520	)
Currency translation adjustments and other		(91	)		(291	)		610
Balance at the end of the year	$	7,840		$	6,047		$	5,788

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Reportable Segments and Geographic Areas Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Reportable Segment Financial Information
Net sales	$ 762,751	$ 750,546	$ 758,834	$ 717,783	$ 677,975	$ 644,374	$ 591,941	$ 556,662	$ 2,989,914	$ 2,470,952	$ 2,098,355
Segment operating income:
Consolidated operating income	167,380	159,586	156,955	152,020	135,524	128,593	115,595	102,446	635,941	482,158	366,050
Interest and other expenses, net									(79,299)	(75,908)	(71,417)
Income before income taxes									556,642	406,250	294,633
Assets:
Assets	4,319,490				3,818,915				4,319,490	3,818,915
Additions to property, plant and equipment:
Consolidated additions to property, plant and equipment									60,592	61,426	41,049
Depreciation and amortization:
Consolidated depreciation and amortization									86,532	72,896	65,500
Electronic Instruments [Member]
Reportable Segment Financial Information
Net sales									1,647,195	1,324,113	1,146,578
Segment operating income:
Consolidated operating income									420,197	316,184	232,875
Assets:
Assets	2,154,502				1,959,586				2,154,502	1,959,586
Additions to property, plant and equipment:
Consolidated additions to property, plant and equipment									27,196	31,496	22,220
Depreciation and amortization:
Consolidated depreciation and amortization									39,749	32,893	32,635
Electromechanical [Member]
Reportable Segment Financial Information
Net sales									1,342,719	1,146,839	951,777
Segment operating income:
Consolidated operating income									262,710	210,397	166,582
Assets:
Assets	1,965,665				1,753,041				1,965,665	1,753,041
Additions to property, plant and equipment:
Consolidated additions to property, plant and equipment									30,977	26,690	16,668
Depreciation and amortization:
Consolidated depreciation and amortization									46,143	38,524	32,444
Corporate [Member]
Segment operating income:
Corporate administrative and other expenses									(46,966)	(44,423)	(33,407)
Assets:
Assets	199,323				106,288				199,323	106,288
Additions to property, plant and equipment:
Consolidated additions to property, plant and equipment									2,419	3,240	2,161
Depreciation and amortization:
Consolidated depreciation and amortization									640	1,479	421
Total Segment [Member]
Segment operating income:
Consolidated operating income									682,907	526,581	399,457
Assets:
Assets	4,120,167				3,712,627				4,120,167	3,712,627
Additions to property, plant and equipment:
Consolidated additions to property, plant and equipment									58,173	58,186	38,888
Depreciation and amortization:
Consolidated depreciation and amortization									$ 85,892	$ 71,417	$ 65,079

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Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Tables)

12 Months Ended

Dec. 31, 2011

Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs [Abstract]

Restructuring accruals

	Restructuring
	Severance			Facility Closures			Total
	(In millions)
Restructuring accruals at December 31, 2009	$	12.2		$	1.0		$	13.2
Utilization		(4.6	)		(0.7	)		(5.3	)
Foreign currency translation and other		(1.0	)		—			(1.0	)
Restructuring accruals at December 31, 2010		6.6			0.3			6.9
Utilization		(3.5	)		(0.1	)		(3.6	)
Foreign currency translation and other		(0.1	)		—			(0.1	)
Restructuring accruals at December 31, 2011	$	3.0		$	0.2		$	3.2

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Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Deferred tax (asset) liability:
Net operating loss carryforwards	$ 3,500
Net current deferred tax asset	(29,268)	(27,106)
Noncurrent deferred tax (asset) liability	388,674	306,323
Less: Valuation allowance	414	5,143
Net noncurrent deferred tax liability	389,088	311,466
Net deferred tax liability	359,820	284,360
Current [Member]
Deferred tax (asset) liability:
Reserves not currently deductible	(20,874)	(19,795)
Share-based compensation	(4,234)	(4,989)
Net operating loss carryforwards	(2,264)	(2,344)
Foreign tax credit carryforwards	0	(2,018)
Other	(1,896)	2,040
Noncurrent [Member]
Deferred tax (asset) liability:
Differences in basis of property and accelerated depreciation	27,329	28,697
Reserves not currently deductible	(22,822)	(21,953)
Pensions	8,720	31,927
Share-based compensation	(8,548)	(10,422)
Net operating loss carryforwards	(1,241)	(9,077)
Foreign tax credit carryforwards	(331)	0
Differences in basis of intangible assets and accelerated amortization	376,986	287,645
Other	$ 8,581	$ (494)

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Retirement Plans and Other Postretirement Benefits (Details 6) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Actual return on assets:
Fair value of plan assets at the end of the year	$ 566,820	$ 592,442
Foreign Defined Benefit Pension Plans [Member]
Summary of changes of the fair value of the foreign plans' investments using significant unobservable inputs
Fair value of plan assets at the beginning of the year		112,503
Actual return on assets:
Acquisitions		1,936
Fair value of plan assets at the end of the year	125,105	126,539
Foreign Defined Benefit Pension Plans [Member] | Life insurance [Member]
Actual return on assets:
Fair value of plan assets at the end of the year	15,855	13,373
Foreign Defined Benefit Pension Plans [Member] | Life insurance [Member] | Level 3 [Member]
Summary of changes of the fair value of the foreign plans' investments using significant unobservable inputs
Fair value of plan assets at the beginning of the year	13,373	9,747
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year	2,482	1,690
Realized gains (losses) relating to assets sold during the year
Acquisitions		1,936
Purchases, sales, issuances and settlements, net
Fair value of plan assets at the end of the year	$ 15,855	$ 13,373

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Consolidated Statement of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statement of Income [Abstract]
Net sales	$ 2,989,914	$ 2,470,952	$ 2,098,355
Operating expenses:
Cost of sales, excluding depreciation	1,955,779	1,646,892	1,435,953
Selling, general and administrative	349,321	296,482	254,143
Depreciation	48,873	45,420	42,209
Total operating expenses	2,353,973	1,988,794	1,732,305
Operating income	635,941	482,158	366,050
Other expenses:
Interest expense	(69,729)	(67,522)	(68,750)
Other, net	(9,570)	(8,386)	(2,667)
Income before income taxes	556,642	406,250	294,633
Provision for income taxes	172,178	122,318	88,863
Net income	$ 384,464	$ 283,932	$ 205,770
Basic earnings per share	$ 2.40	$ 1.79	$ 1.28
Diluted earnings per share	$ 2.37	$ 1.76	$ 1.27
Weighted average common shares outstanding:
Basic shares	160,255	159,056	160,182
Diluted shares	162,108	160,884	161,775

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Hedging Activities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Hedging Activities (Textual)
Currency remeasurement gains	$ 0.7	$ 9.9
Investments in owned subsidiaries	100.00%
British pound-denominated loans [Member]
Hedging Activities (Textual)
Hedge against the net investment in foreign subsidiaries acquired	186.5	187.2
Euro-denominated loans [Member]
Hedging Activities (Textual)
Hedge against the net investment in foreign subsidiaries acquired		$ 66.9

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Consolidated Statement of Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Preferred stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Foreign currency translation
Tax benefit (expense) from investment hedges	$ 221	$ 1,893	$ (2,290)
Defined benefit pension plans
Tax (expense) benefit from change in pension plans	27,117	(9,938)	(15,830)
Unrealized holding (loss) gain on available-for-sale securities
Tax benefit (expense) from increase (decrease) on available-for-sale securities	$ (92)	$ 165	$ 343

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Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Estimated fair values and recorded amounts of the Company's financial instruments
Long-term debt (including current portion)	$ (1,263,924)	$ (1,168,512)
Recorded Amount [Member]
Estimated fair values and recorded amounts of the Company's financial instruments
Fixed-income investments	2,811	0
Short-term borrowings	(135,892)	(95,904)
Long-term debt (including current portion)	(1,128,032)	(1,072,608)
Fair Value [Member]
Estimated fair values and recorded amounts of the Company's financial instruments
Fixed-income investments	2,811	0
Short-term borrowings	(135,892)	(95,904)
Long-term debt (including current portion)	$ (1,298,503)	$ (1,176,399)

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Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Financial Instruments [Abstract]

Estimated fair values and recorded amounts of the Company's financial instruments

	Asset (Liability)
	December 31, 2011						December 31, 2010
	Recorded Amount			Fair Value			Recorded Amount			Fair Value
	(In thousands)
Fixed-income investments	$	2,811		$	2,811		$	—		$	—
Short-term borrowings		(135,892	)		(135,892	)		(95,904	)		(95,904	)
Long-term debt (including current portion)		(1,128,032	)		(1,298,503	)		(1,072,608	)		(1,176,399	)

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Share-Based Compensation (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Apr. 06, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-Based Compensation (Textual)
Stock options outstanding		5,466,000	6,119,000
Vesting period		1 year
Total vested restricted shares	509,709
Contractual term of stock options		7 years
Common stock reserved for share-based plans		15,400,000
Aggregate intrinsic value of options exercised		$ 28.2	$ 29.3	$ 15.5
Total fair value of stock options vested		7.5	7.0	5.4
Vesting charges, pre-tax		5.2
Vesting charges, net after-tax		3.6
Total fair value of vested restricted stock		18.6	5.7
Total number of shares reserved under the Supplemental Executive Retirement Plan		34,988
Shares used for retirements and terminations		12,667
Shares reserved under the Supplemental Executive Retirement Plan in the current year		445,488
Vesting rate		25.00%
Cliff vesting period		4 years
Non-vested Stock Options [Member]
Share-Based Compensation (Textual)
Expected future pre-tax compensation expense		12.8
Stock options outstanding		2,540,000	3,236,000
Weighted average period to recognize expected future pre-tax compensation expense (in years)		less than two years
Non-vested Restricted Shares [Member]
Share-Based Compensation (Textual)
Expected future pre-tax compensation expense		$ 17.3
Weighted average period to recognize expected future pre-tax compensation expense (in years)		approximately two years
Vesting period	certain events, including doubling of the grant price of the Company’s common stock as of the close of business during any five consecutive trading days
Total vested restricted shares		810,000
Nonvested restricted stock outstanding		943,000	1,532,000
Weighted average fair value, per share		$ 44.41	$ 29.01

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Leases and Other Commitments

12 Months Ended

Dec. 31, 2011

Leases and Other Commitments [Abstract]

Leases and Other Commitments

15. Leases and Other Commitments

Minimum aggregate rental commitments under noncancellable leases in effect at December 31, 2011 (principally for production and administrative facilities and equipment) amounted to $131.3 million, consisting of payments of $27.0 million in 2012, $20.9 million in 2013, $16.1 million in 2014, $13.1 million in 2015, $10.1 million in 2016 and $44.1 million thereafter. The leases expire over a range of years from 2012 to 2082, with renewal or purchase options, subject to various terms and conditions, contained in most of the leases. Rental expense was $26.4 million in 2011, $23.1 million in 2010 and $22.8 million in 2009.

As of December 31, 2011 and 2010, the Company had $275.5 million and $222.0 million, respectively, in purchase obligations outstanding, which primarily consisted of contractual commitments to purchase certain inventories at fixed prices.

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Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation [Abstract]

Weighted average assumptions used for estimating fair value of options granted

	2011			2010			2009
Expected volatility		26.4	%		25.6	%		25.8	%
Expected term (years)		5.0			5.0			4.9
Risk-free interest rate		1.96	%		2.48	%		1.89	%
Expected dividend yield		0.54	%		0.54	%		0.73	%
Black-Scholes-Merton fair value per stock option granted	$	11.34		$	7.56		$	5.20

Total share-based compensation expense

	2011			2010			2009
	(In thousands)
Stock option expense	$	8,027		$	7,580		$	6,297
Restricted stock expense		14,120			9,016			7,205
Total pre-tax expense		22,147			16,596			13,502
Related tax benefit		(7,083	)		(5,459	)		(4,223	)
Reduction of net income	$	15,064		$	11,137		$	9,279

Company's stock option activity and related information

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
	(In thousands)					(Years)		(In millions)
Outstanding at the beginning of the year		6,119		$	24.25
Granted		660			44.70
Exercised		(1,165	)		18.91
Forfeited		(148	)		28.28
Expired		—			—
Outstanding at the end of the year		5,466		$	27.75		3.9	$	80.1
Exercisable at the end of the year		2,926		$	24.95		3.0	$	50.2

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested stock options outstanding at the beginning of the year		3,236		$	6.32
Granted		660			11.34
Vested		(1,208	)		6.23
Forfeited		(148	)		6.91
Nonvested stock options outstanding at the end of the year		2,540		$	7.63

Non-vested restricted stock outstanding

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested restricted stock outstanding at the beginning of the year		1,532		$	26.23
Granted		268			44.41
Vested		(810	)		22.95
Forfeited		(47	)		32.22
Nonvested restricted stock outstanding at the end of the year		943		$	34.07

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Additional Consolidated Income Statement and Cash Flow Information

12 Months Ended

Dec. 31, 2011

Additional Consolidated Income Statement and Cash Flow Information [Abstract]

Additional Consolidated Income Statement and Cash Flow Information

17. Additional Consolidated Income Statement and Cash Flow Information

Included in other income are interest and other investment income of $0.8 million, $1.1 million and $0.9 million for 2011, 2010 and 2009, respectively. Income taxes paid in 2011, 2010 and 2009 were $130.1 million, $95.9 million and $84.3 million, respectively. Cash paid for interest was $68.2 million, $66.8 million and $68.0 million in 2011, 2010 and 2009, respectively.

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Retirement Plans and Other Postretirement Benefits (Details 2)	Dec. 31, 2011	Dec. 31, 2010
U.S. Defined Benefit Pension Plans [Member]
Weighted average assumptions used to determine benefit obligations
Discount rate	5.00%	5.60%
Rate of compensation increase (where applicable)	3.75%	3.75%
Foreign Defined Benefit Pension Plans [Member]
Weighted average assumptions used to determine benefit obligations
Discount rate	5.22%	5.71%
Rate of compensation increase (where applicable)	2.97%	2.97%

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Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating activities:
Net income	$ 384,464	$ 283,932	$ 205,770
Adjustments to reconcile net income to total operating activities:
Depreciation and amortization	86,532	72,896	65,500
Deferred income tax expense	12,154	3,774	5,768
Share-based compensation expense	22,147	16,596	13,502
Changes in assets and liabilities, net of acquisitions:
(Increase) decrease in receivables	(12,450)	(43,179)	87,146
(Increase) decrease in inventories and other current assets	(11,923)	7,334	83,622
Increase (decrease) in payables, accruals and income taxes	28,053	77,773	(91,622)
Increase in other long-term liabilities	550	6,382	3,345
Pension contribution	(5,386)	(3,555)	(21,127)
Other	4,424	1,060	12,767
Total operating activities	508,565	423,013	364,671
Investing activities:
Additions to property, plant and equipment	(50,816)	(39,183)	(33,062)
Purchases of businesses, net of cash acquired	(474,441)	(538,585)	(72,919)
Decrease (increase) in marketable securities	985	(619)	(638)
Other	(2,181)	11,564	275
Total investing activities	(526,453)	(566,823)	(106,344)
Financing activities:
Net change in short-term borrowings	41,550	92,364	(13,013)
Additional long-term borrowings	58,981	125,120	1,466
Reduction in long-term borrowings	(1,463)	(78,200)	(80,817)
Repurchases of common stock	(59,336)	(78,609)
Cash dividends paid	(38,366)	(28,554)	(25,579)
Excess tax benefits from share-based payments	13,056	8,990	4,096
Proceeds from employee stock plans and other	17,436	21,518	11,328
Total financing activities	31,858	62,629	(102,519)
Effect of exchange rate changes on cash and cash equivalents	(6,786)	(1,967)	3,568
Increase (decrease) in cash and cash equivalents	7,184	(83,148)	159,376
Cash and cash equivalents:
Beginning of year	163,208	246,356	86,980
End of year	$ 170,392	$ 163,208	$ 246,356

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Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 170,392	$ 163,208
Marketable securities	4,563	5,645
Receivables, less allowance for possible losses	438,245	399,913
Inventories	380,471	335,253
Deferred income taxes	29,268	27,106
Other current assets	36,180	43,367
Total current assets	1,059,119	974,492
Property, plant and equipment, net	325,329	318,126
Goodwill	1,806,237	1,573,645
Other intangibles, net of accumulated amortization	982,957	761,556
Investments and other assets	145,848	191,096
Total assets	4,319,490	3,818,915
Current liabilities:
Short-term borrowings and current portion of long-term debt	140,508	97,152
Accounts payable	283,068	236,600
Income taxes payable	24,127	39,026
Accrued liabilities	181,172	178,081
Total current liabilities	628,875	550,859
Long-term debt	1,123,416	1,071,360
Deferred income taxes	389,088	311,466
Other long-term liabilities	125,306	110,026
Total liabilities	2,266,685	2,043,711
Stockholders' equity:
Preferred stock, $0.01 par value; authorized: 5,000,000 shares; none issued
Common stock, $0.01 par value; authorized: 400,000,000 shares; issued: 2011 - 169,216,075 shares; 2010 - 168,050,869 shares	1,692	1,681
Capital in excess of par value	316,534	263,290
Retained earnings	2,101,615	1,755,742
Accumulated other comprehensive loss	(157,263)	(91,958)
Treasury stock: 2011 - 8,844,495 shares; 2010 - 7,341,520 shares	(209,773)	(153,551)
Total stockholders' equity	2,052,805	1,775,204
Total liabilities and stockholders' equity	$ 4,319,490	$ 3,818,915

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Financial Instruments

12 Months Ended

Dec. 31, 2011

Financial Instruments [Abstract]

Financial Instruments

10. Financial Instruments

The estimated fair values of the Company’s financial instruments are compared below to the recorded amounts at December 31, 2011 and 2010. Cash, cash equivalents and marketable securities are recorded at fair value at December 31, 2011 and 2010 in the accompanying consolidated balance sheet.

	Asset (Liability)
	December 31, 2011						December 31, 2010
	Recorded Amount			Fair Value			Recorded Amount			Fair Value
	(In thousands)
Fixed-income investments	$	2,811		$	2,811		$	—		$	—
Short-term borrowings		(135,892	)		(135,892	)		(95,904	)		(95,904	)
Long-term debt (including current portion)		(1,128,032	)		(1,298,503	)		(1,072,608	)		(1,176,399	)

The fair value of fixed-income investments is based on quoted market prices. The fair value of short-term borrowings approximates the carrying value. The Company’s long-term debt is all privately held with no public market for this debt, therefore, the fair value of long-term debt was computed based on comparable current market data for similar debt instruments. See Note 9 for long-term debt principals, interest rates and maturities.

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Document and Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 31, 2012	Jun. 30, 2011
Document and Entity Information [Abstract]
Entity Registrant Name	AMETEK INC/
Entity Central Index Key	0001037868
Document Type	10-K
Document Period End Date	Dec. 31, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 7.2
Entity Common Stock, Shares Outstanding		160,491,092

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Share-Based Compensation

12 Months Ended

Dec. 31, 2011

Share-Based Compensation [Abstract]

Share-Based Compensation

11. Share-Based Compensation

Under the terms of the Company’s stockholder-approved share-based plans, incentive and non-qualified stock options and restricted stock have been, and may be, issued to the Company’s officers, management-level employees and members of its Board of Directors. Employee and non-employee director stock options generally vest at a rate of 25% per year, beginning one year from the date of the grant, and restricted stock generally has a four-year cliff vesting. Stock options generally have a maximum contractual term of seven years. At December 31, 2011, 15.4 million shares of Company common stock were reserved for issuance under the Company’s share-based plans, including 5.5 million shares for stock options outstanding.

The Company issues previously unissued shares when stock options are exercised and shares are issued from treasury stock upon the award of restricted stock.

The Company measures and records compensation expense related to all stock awards by recognizing the grant date fair value of the awards over their requisite service periods in the financial statements. For grants under any of the Company’s plans that are subject to graded vesting over a service period, the Company recognizes expense on a straight-line basis over the requisite service period for the entire award.

The fair value of each stock option grant is estimated on the date of grant using a Black-Scholes-Merton option pricing model. The following weighted average assumptions were used in the Black-Scholes-Merton model to estimate the fair values of options granted during the years indicated:

	2011			2010			2009
Expected volatility		26.4	%		25.6	%		25.8	%
Expected term (years)		5.0			5.0			4.9
Risk-free interest rate		1.96	%		2.48	%		1.89	%
Expected dividend yield		0.54	%		0.54	%		0.73	%
Black-Scholes-Merton fair value per stock option granted	$	11.34		$	7.56		$	5.20

Expected volatility is based on the historical volatility of the Company’s stock. The Company used historical exercise data to estimate the stock options’ expected term, which represents the period of time that the stock options granted are expected to be outstanding. Management anticipates that the future stock option holding periods will be similar to the historical stock option holding periods. The risk-free interest rate for periods within the contractual life of the stock option is based on the U.S. Treasury yield curve at the time of grant. Compensation expense recognized for all share-based awards is net of estimated forfeitures. The Company’s estimated forfeiture rates are based on its historical experience.

Total share-based compensation expense was as follows for the years ended December 31:

	2011			2010			2009
	(In thousands)
Stock option expense	$	8,027		$	7,580		$	6,297
Restricted stock expense		14,120			9,016			7,205
Total pre-tax expense		22,147			16,596			13,502
Related tax benefit		(7,083	)		(5,459	)		(4,223	)
Reduction of net income	$	15,064		$	11,137		$	9,279

Pre-tax share-based compensation expense is included in either cost of sales, or selling, general and administrative expenses, depending on where the recipient’s cash compensation is reported.

The following is a summary of the Company’s stock option activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
	(In thousands)					(Years)		(In millions)
Outstanding at the beginning of the year		6,119		$	24.25
Granted		660			44.70
Exercised		(1,165	)		18.91
Forfeited		(148	)		28.28
Expired		—			—
Outstanding at the end of the year		5,466		$	27.75		3.9	$	80.1
Exercisable at the end of the year		2,926		$	24.95		3.0	$	50.2

The aggregate intrinsic value of stock options exercised during 2011, 2010 and 2009 was $28.2 million, $29.3 million and $15.5 million, respectively. The total fair value of stock options vested during 2011, 2010 and 2009 was $7.5 million, $7.0 million and $5.4 million, respectively.

The following is a summary of the Company’s nonvested stock option activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested stock options outstanding at the beginning of the year		3,236		$	6.32
Granted		660			11.34
Vested		(1,208	)		6.23
Forfeited		(148	)		6.91
Nonvested stock options outstanding at the end of the year		2,540		$	7.63

As of December 31, 2011, there was approximately $12.8 million of expected future pre-tax compensation expense related to the 2.5 million nonvested stock options outstanding, which is expected to be recognized over a weighted average period of less than two years.

The fair value of restricted shares under the Company’s restricted stock arrangement is determined by the product of the number of shares granted and the grant date market price of the Company’s common stock. Upon the grant of restricted stock, the fair value of the restricted shares (unearned compensation) at the date of grant is charged as a reduction of capital in excess of par value in the Company’s consolidated balance sheet and is amortized to expense on a straight-line basis over the vesting period, which is the same as the calculated derived service period as determined on the grant date.

Restricted stock grants are subject to accelerated vesting due to certain events, including doubling of the grant price of the Company’s common stock as of the close of business during any five consecutive trading days. On April 6, 2011, 509,709 shares of restricted stock, which were granted on April 23, 2009, vested under this accelerated vesting provision. The pre-tax charge to income due to the accelerated vesting of these shares was $5.2 million ($3.6 million net after-tax charge) for the year ended December 31, 2011.

The following is a summary of the Company’s nonvested restricted stock activity and related information for the year ended December 31, 2011:

	Shares			Weighted Average Grant Date Fair Value
	(In thousands)
Nonvested restricted stock outstanding at the beginning of the year		1,532		$	26.23
Granted		268			44.41
Vested		(810	)		22.95
Forfeited		(47	)		32.22
Nonvested restricted stock outstanding at the end of the year		943		$	34.07

The total fair value of the restricted stock that vested was $18.6 million and $5.7 million in 2011 and 2010, respectively, and 2009 was not significant. The weighted average fair value of restricted stock granted per share during 2011 and 2010 was $44.41 and $29.01, respectively. As of December 31, 2011, there was approximately $17.3 million of expected future pre-tax compensation expense related to the 0.9 million nonvested restricted shares outstanding, which is expected to be recognized over a weighted average period of approximately two years.

Under a Supplemental Executive Retirement Plan (“SERP”) in 2011, the Company reserved 34,988 shares of common stock. Reductions for retirements and terminations were 12,667 shares in 2011. The total number of shares of common stock reserved under the SERP was 445,488 as of December 31, 2011. Charges to expense under the SERP are not significant in amount and are considered pension expense with the offsetting credit reflected in capital in excess of par value.

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Guarantees (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Guarantees (Textual)
Future payment obligations of various guarantees, Maximum amount	$ 64.7
Outstanding liability of guarantees	$ 4.1
Product warranty period	1 year

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Consolidated Balance Sheet (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Consolidated Balance Sheet [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	169,216,075	168,050,869
Treasury stock, shares	8,844,495	7,341,520

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Acquisitions

12 Months Ended

Dec. 31, 2011

Acquisitions [Abstract]

Acquisitions

5. Acquisitions

In 2011, the Company spent $474.9 million in cash, net of cash acquired, to acquire Avicenna Technology, Inc. (“Avicenna”) in April 2011, Coining Holding Company (“Coining”) in May 2011, Reichert Technologies and EM Test (Switzerland) GmbH in October 2011 and Technical Manufacturing Corporation (“TMC”) in December 2011. Avicenna is a supplier of custom, fine-featured components used in the medical device industry. Coining is a leading supplier of custom-shaped metal preforms, microstampings and bonding wire solutions for interconnect applications in microelectronics packaging and assembly. Reichert Technologies is a manufacturer of analytical instruments and diagnostic devices for the eye care market. EM Test is a manufacturer of advanced monitoring, testing, calibrating and display instruments. TMC is a world leader in high-performance vibration isolation systems and optical test benches used to isolate highly sensitive instruments for the microelectronics, life sciences, photonics and ultra-precision manufacturing industries. Avicenna and Coining are part of AMETEK’s Electromechanical Group (“EMG”) and Reichert Technologies, EM Test and TMC are part of AMETEK’s Electronic Instruments Group (“EIG”).

The operating results of the above acquisitions have been included in the Company’s consolidated results from the respective dates of acquisitions.

The following table represents the allocation of the aggregate purchase price for the net assets of the above acquisitions based on their estimated fair value at December 31, 2011 (in millions):

Property, plant and equipment	$	13.6
Goodwill		238.1
Other intangible assets		260.0
Deferred income taxes		(37.0	)
Net working capital and other*		0.2
Total purchase price	$	474.9

* Includes $28.3 million in accounts receivable, whose fair value, contractual cash flows and expected cash flows are approximately equal.

The amount allocated to goodwill is reflective of the benefits the Company expects to realize from the acquisitions as follows: Avicenna provides the Company with additional expertise in producing fine-featured catheter and other medical components for leads, guide wires and custom medical assemblies. Avicenna complements the Company’s medical device market businesses and is an excellent fit with its Technical Services for Electronics (“TSE”) business, which was acquired in 2010. The combination of these two businesses positions AMETEK as the only medical interconnects provider with integrated capabilities for the catheter, cardiac and neurostimulation markets. Coining is a global leader in custom-shaped preforms, microstampings and wire used for joining electronic circuitry, packaging microelectronics and providing thermal protection and electric conductivity for a wide range of electronic devices. Coining’s products are used in highly engineered applications for the RF/microwave, photonics, medical, aerospace and defense, and general electronics industries. Coining is an excellent fit with the engineered materials, interconnects and packaging businesses. Reichert Technologies is a leader and innovator in high-technology instruments used by ophthalmologists, optometrists, and opticians for vision correction and the screening and diagnosis of eye diseases such as glaucoma and macular degeneration. EM Test is a global leader in equipment used to perform electrical immunity and electromagnetic compatibility testing. EM Test provides a valuable platform for growth in the highly attractive markets for electrical immunity testing and emissions measurement. Its products are used in test applications by a wide range of industries to ensure that electronic and electrical products are not susceptible to external electromagnetic disturbances and do not generate electromagnetic disturbances that might affect other products or instruments. TMC serves the leading manufacturers of life sciences, photonics and semiconductor equipment with a broad range of custom active piezoelectric vibration cancellation systems, based on their patented active piezo technology. TMC also supplies passive vibration cancellation systems, optical test tables, acoustic isolation hoods and magnetic isolation hoods. TMC is an excellent fit with the Company’s high-end analytical instruments businesses and further broadens the Company’s product offerings and expertise in ultra precision manufacturing. The Company expects approximately $47.0 million of the goodwill recorded in connection with 2011 acquisitions will be tax deductible in future years.

The Company is in the process of finalizing the deferred taxes for its fourth quarter 2011 acquisitions of Reichert Technologies, EM Test and TMC. Additionally, the Company is in the process of finalizing its third-party valuations of certain tangible and intangible assets related to its TMC acquisition. The Company recorded $2.5 million in contingent liabilities for the TMC acquisition primarily related to final tax true ups tied to, among other things, the final third-party valuation.

At December 31, 2011, purchase price allocated to other intangible assets of $260.0 million consists of $63.0 million of indefinite-lived intangible trademarks and trade names, which are not subject to amortization. The remaining $197.0 million of other intangible assets consist of $178.9 million of customer relationships, which are being amortized over a period of 12 to 20 years and $18.1 million of purchased technology and other, which are being amortized over a period of three to 20 years. Amortization expense for each of the next five years for the 2011 acquisitions listed above is expected to approximate $11.1 million per year.

In 2010, the Company spent $538.6 million in cash, net of cash acquired, to acquire TSE in June 2010, Haydon Enterprises in July 2010, Atlas Material Testing Technology LLC (“Atlas”) in November 2010, as well as the small acquisitions of Sterling Ultra Precision in January 2010, Imago Scientific Instruments in April 2010 and American Reliance’s Power Division in August 2010. TSE is a manufacturer of engineered interconnect solutions for the medical device industry. Haydon Enterprises is a leader in linear actuators and lead screw assemblies for the medical, industrial equipment, aerospace, analytical instrument, computer peripheral and semiconductor industries. Atlas is the world’s leading provider of weathering test instruments and related testing and consulting services. Atlas is a part of EIG and TSE and Haydon Enterprises are part of EMG.

The 2011 acquisitions noted above had an immaterial impact on reported net sales, net income and diluted earnings per share for the year ended December 31, 2011. Had the 2011 acquisitions been made at the beginning of 2011 or 2010, unaudited pro forma net sales, net income and diluted earnings per share for the years ended December 31, 2011 and 2010, respectively, would not have been materially different than the amounts reported. Pro forma results are not necessarily indicative of the results that would have occurred if the acquisitions had been completed at the beginning of 2011 or 2010.

In 2009, the Company spent $72.9 million in cash, net of cash acquired, to acquire High Standard Aviation in January 2009, a small acquisition of two businesses in India, Unispec Marketing Pvt. Ltd. and Thelsha Technical Services Pvt. Ltd., in September 2009 and Ameron Global in December 2009. High Standard Aviation is a provider of electrical and electromechanical, hydraulic and pneumatic repair services to the aerospace industry. Ameron Global is a manufacturer of highly engineered pressurized gas components and systems for commercial and aerospace customers and is also a leader in maintenance, repair and overhaul of fire suppression and oxygen supply systems. High Standard Aviation and Ameron Global are a part of EMG.

Acquisitions Subsequent to December 31, 2011

In January 2012, the Company acquired O’Brien Corporation, a leading manufacturer of fluid and gas handling solutions, sample conditioning equipment and process analyzers. O’Brien was acquired for approximately $175 million and has estimated annual sales of approximately $80 million. O’Brien’s products and solutions are used in critical applications in process industries worldwide. O’Brien’s product lines are both highly differentiated and highly complementary to AMETEK’s process instruments businesses and will join EIG.

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Hedging Activities

12 Months Ended

Dec. 31, 2011

Hedging Activities [Abstract]

Hedging Activities

4. Hedging Activities

The Company has designated certain foreign-currency-denominated long-term borrowings as hedges of the net investment in certain foreign operations. As of December 31, 2011, these net investment hedges are the Company’s British-pound-denominated long-term debt, pertaining to certain of its investments in 100% owned subsidiaries whose functional currency is the British pound. As of December 31, 2010, these net investment hedges included the British-pound- and Euro-denominated long-term debts. These borrowings were designed to create net investment hedges in each of the foreign subsidiaries. The Company designated the British-pound- and Euro-denominated loans referred to above as hedging instruments to offset translation gains or losses on the net investment due to changes in the British pound and Euro exchange rates. These net investment hedges were evidenced by management’s documentation supporting the contemporaneous hedge designation on the acquisition dates. Any gain or loss on the hedging instrument (the debt) following hedge designation is reported in accumulated other comprehensive income in the same manner as the translation adjustment on the investment based on changes in the spot rate, which is used to measure hedge effectiveness.

At December 31, 2011 and 2010, the Company had $186.5 million and $187.2 million, respectively, of British-pound-denominated loans, which are designated as a hedge against the net investment in foreign subsidiaries acquired in 2008, 2006, 2004 and 2003. At December 31, 2010, the Company had a $66.9 million Euro-denominated loan, which was designated as a hedge against the net investment in a foreign subsidiary acquired in 2005. As a result of these British-pound- and Euro-denominated loans being designated and effective as net investment hedges, $0.7 million and $9.9 million of currency remeasurement gains have been included in the foreign currency translation component of other comprehensive income at December 31, 2011 and 2010, respectively.

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Reportable Segments and Geographic Areas Information

12 Months Ended

Dec. 31, 2011

Reportable Segments and Geographic Areas Information [Abstract]

Reportable Segments and Geographic Areas Information

16. Reportable Segments and Geographic Areas Information

Descriptive Information about Reportable Segments

The Company has two reportable segments, EIG and EMG. The Company identifies its operating segments for segment reporting purposes primarily on the basis of product type, production processes, distribution methods and management organizations.

EIG produces instrumentation for various electronic applications used in transportation industries, including aircraft cockpit instruments and displays, airborne electronics systems that monitor and record flight and engine data, and pressure, temperature, flow and liquid-level sensors for commercial airlines and aircraft and jet engine manufacturers. EIG also produces analytical instrumentation for the medical, laboratory and research markets, as well as instruments for food service equipment, measurement and monitoring instrumentation for various process industries and instruments and complete instrument panels for heavy trucks, and heavy construction and agricultural vehicles. EIG also manufactures ultraprecise measurement instrumentation, as well as thermoplastic compounds for automotive, appliance and telecommunications applications.

EMG produces brushless air-moving motors for aerospace, mass transit, medical equipment, computer and business machine applications. EMG also produces high-purity metal powders and alloys in powder, strip and wire form for electronic components, aircraft and automotive products, as well as heat exchangers and thermal management subsystems. EMG also supplies hermetically sealed (moisture-proof) connectors, terminals and headers. These electromechanical devices are used in aerospace, defense, medical and other industrial applications. Additionally, EMG produces air-moving electric motors and motor-blower systems for manufacturers of floorcare appliances and outdoor power equipment.

Measurement of Segment Results

Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense. Net sales by segment are reported after elimination of intra- and intersegment sales and profits, which are insignificant in amount. Reported segment assets include allocations directly related to the segment’s operations. Corporate assets consist primarily of investments, prepaid pensions, insurance deposits and deferred taxes.

Reportable Segment Financial Information

	2011			2010			2009
	(In thousands)
Net sales(1):
Electronic Instruments	$	1,647,195		$	1,324,113		$	1,146,578
Electromechanical		1,342,719			1,146,839			951,777
Consolidated net sales	$	2,989,914		$	2,470,952		$	2,098,355
Operating income and income before income taxes:
Segment operating income(2):
Electronic Instruments	$	420,197		$	316,184		$	232,875
Electromechanical		262,710			210,397			166,582
Total segment operating income		682,907			526,581			399,457
Corporate administrative and other expenses		(46,966	)		(44,423	)		(33,407	)
Consolidated operating income		635,941			482,158			366,050
Interest and other expenses, net		(79,299	)		(75,908	)		(71,417	)
Consolidated income before income taxes	$	556,642		$	406,250		$	294,633
Assets:
Electronic Instruments	$	2,154,502		$	1,959,586
Electromechanical		1,965,665			1,753,041
Total segment assets		4,120,167			3,712,627
Corporate		199,323			106,288
Consolidated assets	$	4,319,490		$	3,818,915
Additions to property, plant and equipment(3):
Electronic Instruments	$	27,196		$	31,496		$	22,220
Electromechanical		30,977			26,690			16,668
Total segment additions to property, plant and equipment		58,173			58,186			38,888
Corporate		2,419			3,240			2,161
Consolidated additions to property, plant and equipment	$	60,592		$	61,426		$	41,049
Depreciation and amortization:
Electronic Instruments	$	39,749		$	32,893		$	32,635
Electromechanical		46,143			38,524			32,444
Total segment depreciation and amortization		85,892			71,417			65,079
Corporate		640			1,479			421
Consolidated depreciation and amortization	$	86,532		$	72,896		$	65,500

(1) After elimination of intra- and intersegment sales, which are not significant in amount.

(2) Segment operating income represents net sales less all direct costs and expenses (including certain administrative and other expenses) applicable to each segment, but does not include interest expense.

(3) Includes $9.8 million in 2011, $22.2 million in 2010 and $8.0 million in 2009 from acquired businesses.

Geographic Areas

Information about the Company’s operations in different geographic areas for the years ended December 31, 2011, 2010 and 2009 is shown below. Net sales were attributed to geographic areas based on the location of the customer. Accordingly, U.S. export sales are reported in international sales.

	2011		2010		2009
	(In thousands)
Net sales:
United States	$	1,488,773	$	1,259,608	$	1,066,644
International(1):
United Kingdom		174,714		174,980		170,229
European Union countries		456,035		362,463		339,328
Asia		546,542		405,200		308,805
Other foreign countries		323,850		268,701		213,349
Total international		1,501,141		1,211,344		1,031,711
Total consolidated	$	2,989,914	$	2,470,952	$	2,098,355
Long-lived assets from continuing operations (excluding intangible assets):
United States	$	215,987	$	206,869
International(2):
United Kingdom		34,093		34,031
European Union countries		52,832		54,815
Asia		8,496		8,862
Other foreign countries		13,921		13,549
Total international		109,342		111,257
Total consolidated	$	325,329	$	318,126

(1) Includes U.S. export sales of $774.9 million in 2011, $564.5 million in 2010 and $414.1 million in 2009.

(2) Represents long-lived assets of foreign-based operations only.

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Retirement Plans and Other Postretirement Benefits

12 Months Ended

Dec. 31, 2011

Retirement Plans and Other Postretirement Benefits [Abstract]

Retirement Plans and Other Postretirement Benefits

12. Retirement Plans and Other Postretirement Benefits

Retirement and Pension Plans

The Company sponsors several retirement and pension plans covering eligible salaried and hourly employees. The plans generally provide benefits based on participants’ years of service and/or compensation. The following is a brief description of the Company’s retirement and pension plans.

The Company maintains contributory and noncontributory defined benefit pension plans. Benefits for eligible salaried and hourly employees under all defined benefit plans are funded through trusts established in conjunction with the plans. The Company’s funding policy with respect to its defined benefit plans is to contribute amounts that provide for benefits based on actuarial calculations and the applicable requirements of U.S. federal and local foreign laws. The Company estimates that it will make both required and discretionary cash contributions of approximately $3 million to $6 million to its worldwide defined benefit pension plans in 2012.

The Company uses a measurement date of December 31 (its fiscal year end) for its U.S. and foreign defined benefit pension plans.

The Company sponsors a 401(k) retirement and savings plan for eligible U.S. employees. Participants in the retirement and savings plan may contribute a specified portion of their compensation on a before-tax basis, which vary by location. The Company matches employee contributions ranging from 20% to 100%, up to a maximum percentage ranging from 1% to 8% of eligible compensation or up to a maximum of $1,200 per participant in some locations.

The Company’s retirement and savings plan has a defined contribution retirement feature principally to cover U.S. salaried employees joining the Company after December 31, 1996. Under the retirement feature, the Company makes contributions for eligible employees based on a pre-established percentage of the covered employee’s salary subject to pre-established vesting. Employees of certain of the Company’s foreign operations participate in various local defined contribution plans.

The Company has nonqualified unfunded retirement plans for its Directors and certain retired employees. It also provides supplemental retirement benefits, through contractual arrangements and/or a SERP covering certain current and former executives of the Company. These supplemental benefits are designed to compensate the executive for retirement benefits that would have been provided under the Company’s primary retirement plan, except for statutory limitations on compensation that must be taken into account under those plans. The projected benefit obligations of the SERP and the contracts will primarily be funded by a grant of shares of the Company’s common stock upon retirement or termination of the executive. The Company is providing for these obligations by charges to earnings over the applicable periods.

The following tables set forth the changes in net projected benefit obligation and the fair value of plan assets for the funded and unfunded defined benefit plans for the years ended December 31:

U.S. Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation (“PBO”):
Net projected benefit obligation at the beginning of the year	$	384,763		$	376,907
Service cost		3,095			2,917
Interest cost		21,271			21,489
Actuarial losses		34,765			9,578
Gross benefits paid		(24,962	)		(24,380	)
Plan amendments and other		—			(1,748	)
Net projected benefit obligation at the end of the year	$	418,932		$	384,763
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	465,903		$	430,513
Actual return on plan assets		527			59,520
Employer contributions		247			250
Gross benefits paid		(24,962	)		(24,380	)
Fair value of plan assets at the end of the year	$	441,715		$	465,903

Foreign Defined Benefit Pension Plans:

	2011			2010
	(In thousands)
Change in projected benefit obligation:
Net projected benefit obligation at the beginning of the year	$	126,334		$	110,607
Service cost		1,267			1,004
Interest cost		7,244			6,386
Acquisitions		—			9,633
Foreign currency translation adjustment		(863	)		(4,370	)
Employee contributions		403			389
Actuarial (gains) losses		(1,869	)		6,069
Gross benefits paid		(4,106	)		(3,384	)
Net projected benefit obligation at the end of the year	$	128,410		$	126,334
Change in plan assets:
Fair value of plan assets at the beginning of the year	$	126,539		$	112,503
Actual return on plan assets		(2,347	)		15,852
Employer contributions		5,139			3,305
Employee contributions		403			389
Foreign currency translation adjustment		(523	)		(4,062	)
Gross benefits paid		(4,106	)		(3,384	)
Acquisitions		—			1,936
Fair value of plan assets at the end of the year	$	125,105		$	126,539

The accumulated benefit obligation (“ABO”) consisted of the following at December 31:

U.S. Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	402,306	$	370,610
Unfunded plans		5,558		4,757
Total	$	407,864	$	375,367

Foreign Defined Benefit Pension Plans:

	2011		2010
	(In thousands)
Funded plans	$	112,540	$	107,506
Unfunded plans		7,339		7,432
Total	$	119,879	$	114,938

Weighted average assumptions used to determine benefit obligations at December 31:

	2011			2010
U.S. Defined Benefit Pension Plans:
Discount rate		5.00	%		5.60	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.22	%		5.71	%
Rate of compensation increase (where applicable)		2.97	%		2.97	%

The following is a summary of the fair value of plan assets for U.S. plans at December 31, 2011 and 2010.

	December 31, 2011						December 31, 2010
Asset Class	Total		Level 1		Level 2		Total		Level 1		Level 2
	(In thousands)
Cash and temporary investments	$	2,402	$	2,402	$	—	$	23,163	$	23,163	$	—
Equity securities:
AMETEK common stock		26,368		26,368		—		33,822		33,822		—
U.S. Small cap common stocks		26,033		26,033		—		35,280		35,280		—
U.S. Large cap common stocks		62,567		40,281		22,286		71,898		46,461		25,437
Diversified common stocks — U.S.		41,467		—		41,467		42,135		—		42,135
Diversified common stocks — Global		60,430		—		60,430		67,575		—		67,575
Fixed-income securities and other:
U.S. Corporate		24,856		24,856		—		37,963		37,963		—
U.S. Government		5,126		5,126		—		8,024		8,024		—
Global asset allocation*		121,296		70,855		50,441		99,058		60,226		38,832
Inflation related funds		52,438		12,438		40,000		46,985		17,349		29,636
Alternative investments:
Collective trust		18,732		—		—		—		—		—
Total investments	$	441,715	$	208,359	$	214,624	$	465,903	$	262,288	$	203,615

* This asset class was invested in diversified companies in all geographical regions.

U.S. equity securities and global equity securities categorized as Level 1 are traded on national and international exchanges and are valued at their closing prices on the last trading day of the year. For U.S. equity securities and global equity securities not traded on an active exchange, or if the closing price is not available, the trustee obtains indicative quotes from a pricing vendor, broker or investment manager. These securities are categorized as Level 2 if the custodian obtains corroborated quotes from a pricing vendor.

Additionally, some U.S. equity securities and global equity securities are public investment vehicles valued using the Net Asset Value (“NAV”) provided by the fund manager. The NAV is the total value of the fund divided by the number of shares outstanding. U.S. equity securities and global equity securities are categorized as Level 1 if traded at their NAV on a nationally recognized securities exchange or categorized as Level 2 if the NAV is corroborated by observable market data.

Fixed income securities categorized as Level 1 are traded on national and international exchanges and are valued at their closing prices on the last trading day of the year and categorized as Level 2 if valued by the trustee using pricing models that use verifiable observable market data, bids provided by brokers or dealers or quoted prices of securities with similar characteristics.

Alternative investments categorized as Level 3 are valued based on unobservable inputs and cannot be corroborated using verifiable observable market data.

The following is a summary of the changes in the fair value of the U.S. plans’ level 3 investments (fair value using significant unobservable inputs):

	Alternative Investments
	(In thousands)
Balance, December 31, 2009	$	18,958
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		—
Realized gains (losses) relating to assets sold during the year		755
Purchases, sales, issuances and settlements, net		(19,713	)
Balance, December 31, 2010		—
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		807
Realized gains (losses) relating to assets sold during the year		—
Purchases, sales, issuances and settlements, net		17,925
Balance, December 31, 2011	$	18,732

The expected long-term rate of return on these plan assets was 8.00% in 2011 and 8.25% in 2010. Equity securities included 626,324 shares of AMETEK, Inc. common stock with a market value of $26.4 million (6.0% of total plan investment assets) at December 31, 2011 and 861,300 shares of AMETEK, Inc. common stock with a market value of $33.8 million (7.3% of total plan investment assets) at December 31, 2010.

The objectives of the AMETEK, Inc. U.S. defined benefit plans’ investment strategy are to maximize the plans’ funded status and minimize Company contributions and plan expense. Because the goal is to optimize returns over the long term, an investment policy that favors equity holdings has been established. Since there may be periods of time where both equity and fixed-income markets provide poor returns, an allocation to alternative assets may be made to improve the overall portfolio’s diversification and return potential. The Company periodically reviews its asset allocation, taking into consideration plan liabilities, plan benefit payment streams and the investment strategy of the pension plans. The actual asset allocation is monitored frequently relative to the established targets and ranges and is rebalanced when necessary. The target allocations for the U.S. defined benefits plans are approximately 50% equity securities, 25% fixed-income securities and 25% other securities and/or cash.

The equity portfolio is diversified by market capitalization and style. The equity portfolio also includes an international component.

The objective of the fixed-income portion of the pension assets is to provide interest rate sensitivity for a portion of the assets and to provide diversification. The fixed-income portfolio is diversified within certain quality and maturity guidelines in an attempt to minimize the adverse effects of interest rate fluctuations.

Other than for investments in alternative assets, described in the footnote to the table above, certain investments are prohibited. Prohibited investments include venture capital, private placements, unregistered or restricted stock, margin trading, commodities, short selling and rights and warrants. Foreign currency futures, options and forward contracts may be used to manage foreign currency exposure.

The following is a summary of the fair value of plan assets for foreign defined benefit pension plans at December 31, 2011 and 2010.

	December 31, 2011				December 31, 2010
Asset Class	Total		Level 2		Total		Level 2
	(In thousands)
Cash	$	4,920	$	4,920	$	4,336	$	4,336
U.S. Mutual equity funds		10,224		10,224		10,141		10,141
Foreign mutual equity funds		72,221		72,221		77,260		77,260
Real estate		404		404		2,647		2,647
Mutual bond funds — Global		21,481		21,481		18,782		18,782
Life insurance		15,855		—		13,373		—
Total investments	$	125,105	$	109,250	$	126,539	$	113,166

Equity funds, real estate funds and fixed income funds that are valued by the vendor using observable market inputs are considered level 2 investments. Life insurance assets are considered level 3 investments as their values are determined by the sponsor using unobservable market data.

The following is a summary of the changes in the fair value of the foreign plans’ level 3 investments (fair value determined using significant unobservable inputs):

	Life Insurance
	(In thousands)
Balance, December 31, 2009	$	9,747
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		1,690
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		1,936
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2010		13,373
Actual return on assets:
Unrealized gains relating to instruments still held at the end of the year		2,482
Realized gains (losses) relating to assets sold during the year		—
Acquisitions		—
Purchases, sales, issuances and settlements, net		—
Balance, December 31, 2011	$	15,855

The objective of AMETEK, Inc.’s foreign defined benefit plans’ investment strategy is to maximize the long-term rate of return on plan investments, subject to a reasonable level of risk. Liability studies are also performed on a regular basis to provide guidance in setting investment goals with an objective to balance risks against the current and future needs of the plans. The trustees consider the risk associated with the different asset classes, relative to the plans’ liabilities and how this can be affected by diversification, and the relative returns available on equities, fixed-income investments, real estate and cash. Also, the likely volatility of those returns and the cash flow requirements of the plans are considered. It is expected that equities will outperform fixed-income investments over the long term. However, the trustees recognize the fact that fixed-income investments may better match the liabilities for pensioners. Because of the relatively young active employee group covered by the plans and the immature nature of the plans, the trustees have chosen to adopt an asset allocation strategy more heavily weighted toward equity investments. This asset allocation strategy will be reviewed, from time to time, in view of changes in market conditions and in the plans’ liability profile. The target allocations for the foreign defined benefit plans are approximately 74% equity securities, 17% fixed-income securities and 9% other securities, insurance or cash.

The assumption for the expected return on plan assets was developed based on a review of historical investment returns for the investment categories for the defined benefit pension assets. This review also considered current capital market conditions and projected future investment returns. The estimates of future capital market returns by asset class are lower than the actual long-term historical returns. The current low interest rate environment influences this outlook. Therefore, the assumed rate of return for U.S. plans is 8.0% and 6.96% for foreign plans in 2012.

The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with a projected benefit obligation in excess of plan assets and pension plans with an accumulated benefit obligation in excess of plan assets were as follows at December 31:

U.S. Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	5,558	$	4,757	$	5,558	$	4,757
Fair value of plan assets		—		—		—		—

Foreign Defined Benefit Pension Plans:

	Projected Benefit Obligation Exceeds Fair Value of Assets				Accumulated Benefit Obligation  Exceeds Fair Value of Assets
	2011		2010		2011		2010
	(In thousands)
Benefit obligation	$	61,580	$	59,966	$	7,871	$	9,612
Fair value of plan assets		50,125		51,040		467		2,057

The following table provides the amounts recognized in the consolidated balance sheet at December 31:

	2011			2010
	(In thousands)
Funded status asset (liability):
Fair value of plan assets	$	566,820		$	592,442
Projected benefit obligation		(547,342	)		(511,097	)
Funded status at the end of the year	$	19,478		$	81,345
Amounts recognized in the consolidated balance sheet consisted of:
Noncurrent asset for pension benefits (other assets)	$	36,490		$	95,029
Current liabilities for pension benefits		(563	)		(235	)
Noncurrent liability for pension benefits		(16,449	)		(13,449	)
Net amount recognized at the end of the year	$	19,478		$	81,345

The following table provides the amounts recognized in accumulated other comprehensive income, net of taxes, at December 31:

Net amounts recognized:	2011			2010
	(In thousands)
Net actuarial loss	$	98,345		$	50,677
Prior service costs		93			139
Transition asset		(5	)		(18	)
Total recognized	$	98,433		$	50,798

Other changes in pension plan assets and benefit obligations recognized in other comprehensive income, net of taxes:	2011			2010			2009
	(In thousands)
Net actuarial loss (gain)	$	50,582		$	(10,871	)	$	(18,086	)
Amortization of net actuarial loss		(2,914	)		(4,306	)		(8,079	)
Loss recognized due to curtailment		—			(993	)		—
Amortization of prior service costs		(46	)		(149	)		(85	)
Amortization of transition asset		13			(4	)		11
Total recognized	$	47,635		$	(16,323	)	$	(26,239	)

The following table provides the components of net periodic pension benefit expense for the years ended December 31:

	2011			2010			2009
	(In thousands)
Defined benefit plans:
Service cost	$	4,362		$	3,921		$	4,517
Interest cost		28,515			27,874			28,239
Expected return on plan assets		(45,049	)		(41,991	)		(35,711	)
Amortization of:
Net actuarial loss		4,727			6,949			13,165
Prior service costs		75			83			138
Transition asset		(22	)		(21	)		(18	)
Pension (income) expense		(7,392	)		(3,185	)		10,330
Pension curtailment charge		—			41			—
Total net periodic benefit (income) expense		(7,392	)		(3,144	)		10,330
Other plans:
Defined contribution plans		14,571			12,505			12,521
Foreign plans and other		5,586			4,442			3,977
Total other plans		20,157			16,947			16,498
Total net pension expense	$	12,765		$	13,803		$	26,828

The estimated amount that will be amortized from accumulated other comprehensive income into net periodic pension benefit expense in 2012 for the net actuarial losses and prior service costs is expected to be $11.4 million.

The following weighted average assumptions were used to determine the above net periodic pension benefit expense for the years ended December 31:

	2011			2010			2009
U.S. Defined Benefit Pension Plans:
Discount rate		5.60	%		5.90	%		6.50	%
Expected return on plan assets		8.00	%		8.25	%		8.25	%
Rate of compensation increase (where applicable)		3.75	%		3.75	%		3.75	%
Foreign Defined Benefit Pension Plans:
Discount rate		5.71	%		5.98	%		6.09	%
Expected return on plan assets		6.96	%		6.97	%		6.97	%
Rate of compensation increase (where applicable)		2.97	%		2.98	%		2.98	%

Estimated Future Benefit Payments

The estimated future benefit payments for U.S. and foreign plans are as follows (in thousands): 2012 – $29,668; 2013 – $30,328; 2014 – $31,126; 2015 – $31,912; 2016 – $32,889; 2017 to 2021 – $177,481. Future benefit payments primarily represent amounts to be paid from pension trust assets. Amounts included that are to be paid from the Company’s assets are not significant in any individual year.

Postretirement Plans and Postemployment Benefits

The Company provides limited postretirement benefits other than pensions for certain retirees and a small number of former employees. Benefits under these arrangements are not funded and are not significant.

The Company also provides limited postemployment benefits for certain former or inactive employees after employment but before retirement. Those benefits are not significant in amount.

The Company has a deferred compensation plan, which allows employees whose compensation exceeds the statutory IRS limit for retirement benefits to defer a portion of earned bonus compensation. The plan permits deferred amounts to be deemed invested in either, or a combination of, (a) an interest-bearing account, benefits from which are payable out of the general assets of the Company, or (b) the equivalent of a fund which invests in shares of the Company’s common stock on behalf of the employee. The amount deferred under the plan, including income earned, was $19.5 million and $16.9 million at December 31, 2011 and 2010, respectively. Administrative expense for the deferred compensation plan is borne by the Company and is not significant.

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Reportable Segments and Geographic Areas Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales:
Net sales	$ 762,751	$ 750,546	$ 758,834	$ 717,783	$ 677,975	$ 644,374	$ 591,941	$ 556,662	$ 2,989,914	$ 2,470,952	$ 2,098,355
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	325,329				318,126				325,329	318,126
United States [Member]
Net sales:
Net sales									1,488,773	1,259,608	1,066,644
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	215,987				206,869				215,987	206,869
United Kingdom [Member]
Net sales:
Net sales									174,714	174,980	170,229
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	34,093				34,031				34,093	34,031
European Union countries [Member]
Net sales:
Net sales									456,035	362,463	339,328
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	52,832				54,815				52,832	54,815
Asia [Member]
Net sales:
Net sales									546,542	405,200	308,805
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	8,496				8,862				8,496	8,862
Other foreign countries [Member]
Net sales:
Net sales									323,850	268,701	213,349
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	13,921				13,549				13,921	13,549
Total International [Member]
Net sales:
Net sales									1,501,141	1,211,344	1,031,711
Long-lived assets from continuing operations (excluding intangible assets)
Long-lived assets from continuing operations (excluding intangible assets)	$ 109,342				$ 111,257				$ 109,342	$ 111,257

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Income Taxes

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Income Taxes

8. Income Taxes

The components of income before income taxes and the details of the provision for income taxes were as follows for the years ended December 31:

	2011			2010			2009
	(In thousands)
Income before income taxes:
Domestic	$	366,654		$	266,783		$	207,831
Foreign		189,988			139,467			86,802
Total	$	556,642		$	406,250		$	294,633
Provision for income taxes:
Current:
Federal	$	103,598		$	70,008		$	58,247
Foreign		39,516			37,514			22,123
State		16,910			11,022			2,725
Total current		160,024			118,544			83,095
Deferred:
Federal		14,051			7,071			7,024
Foreign		(2,508	)		(3,105	)		(1,464	)
State		611			(192	)		208
Total deferred		12,154			3,774			5,768
Total provision	$	172,178		$	122,318		$	88,863

Significant components of the deferred tax (asset) liability were as follows at December 31:

	2011			2010
	(In thousands)
Current deferred tax (asset) liability:
Reserves not currently deductible	$	(20,874	)	$	(19,795	)
Share-based compensation		(4,234	)		(4,989	)
Net operating loss carryforwards		(2,264	)		(2,344	)
Foreign tax credit carryforwards		—			(2,018	)
Other		(1,896	)		2,040
Net current deferred tax asset	$	(29,268	)	$	(27,106	)
Noncurrent deferred tax (asset) liability:
Differences in basis of property and accelerated depreciation	$	27,329		$	28,697
Reserves not currently deductible		(22,822	)		(21,953	)
Pensions		8,720			31,927
Differences in basis of intangible assets and accelerated amortization		376,986			287,645
Net operating loss carryforwards		(1,241	)		(9,077	)
Share-based compensation		(8,548	)		(10,422	)
Foreign tax credit carryforwards		(331	)		—
Other		8,581			(494	)
		388,674			306,323
Less: Valuation allowance		414			5,143
Net noncurrent deferred tax liability		389,088			311,466
Net deferred tax liability	$	359,820		$	284,360

The Company’s effective tax rate reconciles to the U.S. Federal statutory rate as follows for the years ended December 31:

	2011			2010			2009
U.S. Federal statutory rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal income tax benefit		2.0			1.9			0.4
Foreign operations, net		(4.9	)		(3.4	)		(4.2	)
Other		(1.2	)		(3.4	)		(1.0	)
Consolidated effective tax rate		30.9	%		30.1	%		30.2	%

At December 31, 2011, there has been no provision for U.S. deferred income taxes for the undistributed earnings of certain non-U.S. subsidiaries, which total approximately $410.3 million at December 31, 2011, because the Company intends to reinvest these earnings indefinitely in operations outside the United States. Upon distribution of those earnings to the United States, the Company would be subject to U.S. income taxes and withholding taxes payable to the various foreign countries. Determination of the amount of the unrecognized deferred income tax liability on these undistributed earnings is not practicable. At December 31, 2010, the Company had $5.7 million of deferred income taxes for undistributed earnings of certain non-U.S. subsidiaries that were distributed during 2011.

At December 31, 2011, the Company had tax benefits of $3.5 million related to net operating loss carryforwards, which will be available to offset future income taxes payable, subject to certain annual or other limitations based on foreign and U.S. tax laws. This amount includes net operating loss carryforwards of $0.2 million for federal income tax purposes with no valuation allowance, $3.0 million for state income tax purposes with a valuation allowance of $0.1 million, and $0.3 million for foreign income tax purposes with no valuation allowance. These net operating loss carryforwards, if not used, will expire between 2012 and 2032. As of December 31, 2011, the Company had $0.3 million of U.S. foreign tax credit carryforwards.

The Company maintains a valuation allowance to reduce certain deferred tax assets to amounts that are more likely than not to be realized. This allowance primarily relates to the deferred tax assets established for state tax credits and net operating loss carryforwards. In 2011, the Company recorded a decrease of $4.7 million in the valuation allowance primarily related to a reduction for net operating losses that are no longer available as well as a valuation allowance related to state research and development credits that are now expected to be utilized.

At December 31, 2011, the Company had gross unrecognized tax benefits of $28.5 million, of which $25.9 million, if recognized, would impact the effective tax rate. At December 31, 2010, the Company had gross unrecognized tax benefits of $22.8 million, of which $18.3 million, if recognized, would impact the effective tax rate.

At December 31, 2011 and 2010, the Company reported $7.2 million and $6.1 million, respectively, related to interest and penalty exposure as accrued income tax expense in the consolidated balance sheet. During 2011, 2010 and 2009, the Company recognized $1.1 million of expense, $1.9 million of expense and $0.7 million of income, respectively, for interest and penalties related to uncertain tax positions in the income statement as a component of income tax expense.

The most significant tax jurisdiction for the Company is the United States. The Company files income tax returns in various state and foreign tax jurisdictions, in some cases for multiple legal entities per jurisdiction. Generally, the Company has open tax years subject to tax audit on average of between three and six years in these jurisdictions. At December 31, 2011, the Internal Revenue Service (“IRS”) has been and is continuing to examine the Company’s U.S. income tax returns for the years 2006 through 2009. The IRS previously completed the examination of the Company’s U.S. income tax returns for the years 2006 and 2007, however, the periods were reopened by the Company for a limited scope examination of the research and development credit. The Company has not materially extended any other statutes of limitation for any significant location and has reviewed and accrued for, where necessary, tax liabilities for open periods including state and foreign jurisdictions that remain subject to examination. There have been no penalties asserted or imposed by the IRS related to substantial understatement of income, gross valuation misstatement or failure to disclose a listed or reportable transaction.

During 2011, the Company added $9.6 million of tax, interest and penalties related to 2011 activity for identified uncertain tax positions and reversed $2.9 million of tax and interest related to statute expirations and settlement of prior uncertain positions. During 2010, the Company added $5.4 million of tax, interest and penalties related to 2010 activity for identified uncertain tax positions and reversed $8.4 million of tax and interest related to statute expirations and settlement of prior uncertain positions.

The following is a reconciliation of the liability for uncertain tax positions at December 31:

	2011			2010			2009
	(In millions)
Balance at the beginning of the year	$	22.8		$	26.5		$	18.6
Additions for tax positions related to the current year		1.4			1.2			8.8
Additions for tax positions of prior years		6.5			2.7			2.5
Reductions for tax positions of prior years		(2.0	)		(3.5	)		(1.4	)
Reductions related to settlements with taxing authorities		—			(4.1	)		(2.0	)
Reductions due to statute expirations		(0.2	)		—			—
Balance at the end of the year	$	28.5		$	22.8		$	26.5

In 2011, the additions above primarily reflect the increase in tax liabilities for uncertain tax positions related to certain foreign activities, while the reductions above primarily relate to a revised UK tax claim and tax paid as a result of a foreign dividend payment. At December 31, 2011, tax, interest and penalties of $30.4 million were classified as a noncurrent liability. The net increase in uncertain tax positions for the year ended December 31, 2011 resulted in an increase to income tax expense of $3.2 million.

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Share-Based Compensation (Details) (USD $)	12 Months Ended
	Dec. 31, 2011 Y	Dec. 31, 2010 Y	Dec. 31, 2009 Y
Weighted average assumptions used for estimating fair value of options granted
Expected volatility	26.40%	25.60%	25.80%
Expected term (years)	5.0	5.0	4.9
Risk-free interest rate	1.96%	2.48%	1.89%
Expected dividend yield	0.54%	0.54%	0.73%
Black-Scholes-Merton fair value per stock option granted	$ 11.34	$ 7.56	$ 5.20

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Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

6. Goodwill and Other Intangible Assets

The changes in the carrying amounts of goodwill by segment were as follows:

	EIG			EMG			Total
	(In millions)
Balance at December 31, 2009	$	746.9		$	530.4		$	1,277.3
Goodwill acquired		105.2			208.3			313.5
Purchase price allocation adjustments and other		25.8			(24.3	)		1.5
Foreign currency translation adjustments		(13.5	)		(5.2	)		(18.7	)
Balance at December 31, 2010		864.4			709.2			1,573.6
Goodwill acquired		135.7			102.4			238.1
Purchase price allocation adjustments and other		3.7			(2.0	)		1.7
Foreign currency translation adjustments		(6.1	)		(1.1	)		(7.2	)
Balance at December 31, 2011	$	997.7		$	808.5		$	1,806.2

Other intangible assets were as follows at December 31:

	2011			2010
	(In thousands)
Definite-lived intangible assets (subject to amortization):
Patents	$	53,048		$	52,403
Purchased technology		124,773			107,170
Customer lists		657,152			479,943
Other acquired intangibles		24,865			25,944
		859,838			665,460
Accumulated amortization:
Patents		(30,913	)		(28,687	)
Purchased technology		(33,819	)		(28,026	)
Customer lists		(97,832	)		(70,982	)
Other acquired intangibles		(22,057	)		(20,825	)
		(184,621	)		(148,520	)
Net intangible assets subject to amortization		675,217			516,940
Indefinite-lived intangible assets (not subject to amortization):
Trademarks and trade names		307,740			244,616
	$	982,957		$	761,556

Amortization expense was $37.6 million, $27.5 million and $23.3 million for the years ended December 31, 2011, 2010 and 2009, respectively. Amortization expense for each of the next five years is expected to approximate $45.0 million per year, not considering the impact of potential future acquisitions.

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Other Consolidated Balance Sheet Information

12 Months Ended

Dec. 31, 2011

Other Consolidated Balance Sheet Information [Abstract]

Other Consolidated Balance Sheet Information

7. Other Consolidated Balance Sheet Information

	December 31,
	2011			2010
	(In thousands)
INVENTORIES
Finished goods and parts	$	70,315		$	46,953
Work in process		72,676			73,556
Raw materials and purchased parts		237,480			214,744
	$	380,471		$	335,253
PROPERTY, PLANT AND EQUIPMENT
Land	$	32,172		$	32,634
Buildings		211,060			209,019
Machinery and equipment		679,446			651,883
		922,678			893,536
Less: Accumulated depreciation		(597,349	)		(575,410	)
	$	325,329		$	318,126
ACCRUED LIABILITIES
Employee compensation and benefits	$	75,051		$	71,957
Severance and lease termination		11,614			18,143
Product warranty obligation		22,466			18,347
Other		72,041			69,634
	$	181,172		$	178,081

	2011			2010			2009
	(In thousands)
ALLOWANCES FOR POSSIBLE LOSSES ON ACCOUNTS AND NOTES RECEIVABLE
Balance at the beginning of the year	$	6,047		$	5,788		$	8,489
Additions charged to expense		2,458			1,466			1,139
Recoveries credited to allowance		11			120			70
Write-offs		(585	)		(1,036	)		(4,520	)
Currency translation adjustments and other		(91	)		(291	)		610
Balance at the end of the year	$	7,840		$	6,047		$	5,788

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Debt

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Debt

9. Debt

Long-term debt consisted of the following at December 31:

	2011			2010
	(In thousands)
U.S. dollar 6.59% senior notes due September 2015	$	90,000		$	90,000
U.S. dollar 6.69% senior notes due December 2015		35,000			35,000
U.S. dollar 6.20% senior notes due December 2017		270,000			270,000
U.S. dollar 6.35% senior notes due July 2018		80,000			80,000
U.S. dollar 7.08% senior notes due September 2018		160,000			160,000
U.S. dollar 7.18% senior notes due December 2018		65,000			65,000
U.S. dollar 6.30% senior notes due December 2019		100,000			100,000
British pound 5.99% senior note due November 2016		62,170			62,396
British pound 4.68% senior note due September 2020		124,339			124,792
Euro 3.94% senior note due August 2015		64,800			66,850
Swiss franc 2.44% senior note due December 2021		58,686			—
Revolving credit loan		134,200			92,000
Other, principally foreign		19,729			22,474
Total debt		1,263,924			1,168,512
Less: Current portion		(140,508	)		(97,152	)
Total long-term debt	$	1,123,416		$	1,071,360

Maturities of long-term debt outstanding at December 31, 2011 were as follows: $2.3 million in 2013; $1.8 million in 2014; $191.2 million in 2015; $64.3 million in 2016; $270.0 million in 2017; and $593.8 million in 2018 and thereafter.

In the third quarter of 2010, the Company paid in full an expiring 50 million British pound ($78.2 million) 5.96% senior note.

In December 2007, the Company issued $270 million in aggregate principal amount of 6.20% private placement senior notes due December 2017 and $100 million in aggregate principal amount of 6.30% private placement senior notes due December 2019. In July 2008, the Company issued $80 million in aggregate principal amount of 6.35% private placement senior notes due July 2018. In September 2008, the Company issued $90 million in aggregate principal amount of 6.59% private placement senior notes due September 2015 and $160 million in aggregate principal amount of 7.08% private placement senior notes due September 2018. In December 2008, the Company issued $35 million in aggregate principal amount of 6.69% private placement senior notes due December 2015 and $65 million in aggregate principal amount of 7.18% private placement senior notes due December 2018.

In September 2005, the Company issued a 50 million Euro ($64.8 million at December 31, 2011) 3.94% senior note due August 2015. In November 2004, the Company issued a 40 million British pound ($62.2 million at December 31, 2011) 5.99% senior note due November 2016. In September 2010, the Company issued an 80 million British pound ($124.3 million at December 31, 2011) 4.68% senior note due September 2020. In December 2011, the Company issued a 55 million Swiss franc ($58.7 million at December 31, 2011) 2.44% senior note due December 2021.

In September 2011, the Company completed a new five-year revolving credit facility with a total borrowing capacity of $700 million, which excludes an accordion feature that permits the Company to request up to an additional $200 million in revolving credit commitments at any time during the life of the revolving credit agreement under certain conditions. The revolving credit facility places certain restrictions on allowable additional indebtedness. The new revolving credit facility replaced a $450 million total borrowing capacity revolving credit facility, which excluded a $100 million accordion feature, that was due to expire in June 2012. At December 31, 2011, the Company had available borrowing capacity of $742.7 million under its revolving credit facility, including the $200 million accordion feature.

Interest rates on outstanding loans under either the current or replaced revolving credit facility are at the applicable London Interbank Offered Rate (“LIBOR”) plus a negotiated spread, or at the U.S. prime rate. At December 31, 2011 and 2010, the Company had $134.2 million and $92.0 million, respectively, of borrowings outstanding under the revolving credit facility. The weighted average interest rate on the revolving credit facility for the years ended December 31, 2011 and 2010 was 1.10% and 0.82%, respectively. The Company had outstanding letters of credit totaling $25.9 million and $22.6 million at December 31, 2011 and 2010, respectively.

The private placements, the senior notes and the revolving credit facility are subject to certain customary covenants, including financial covenants that, among other things, require the Company to maintain certain debt-to-EBITDA and interest coverage ratios. The Company was in compliance with all provisions of the debt arrangements at December 31, 2011.

Foreign subsidiaries of the Company had available credit facilities with local foreign lenders of $56.0 million at December 31, 2011. Foreign subsidiaries had debt outstanding at December 31, 2011 totaling $19.7 million, including $13.4 million reported in long-term debt.

The weighted average interest rate on total debt outstanding at December 31, 2011 and 2010 was 6.0% and 6.3%, respectively.

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Share-Based Compensation (Details 4) (USD $)	3 Months Ended	12 Months Ended
	Apr. 06, 2011	Dec. 31, 2011 Non-vested Restricted Shares [Member]	Dec. 31, 2010 Non-vested Restricted Shares [Member]
Nonvested restricted stock outstanding
Beginning balance, Outstanding, Shares		1,532,000
Beginning balance, Outstanding, Weighted Average Grant Date Fair Value		$ 26.23
Granted, Shares		268,000
Granted, Weighted Average Grant Date Fair Value		$ 44.41	$ 29.01
Vested, Shares	(509,709)	(810,000)
Vested, Weighted Average Grant Date Fair Value		$ 22.95
Forfeited, Shares		(47,000)
Forfeited, Weighted Average Grant Date Fair Value		$ 32.22
Ending balance, Outstanding, Shares		943,000	1,532,000
Ending balance, Outstanding, Weighted Average Grant Date Fair Value		$ 34.07	$ 26.23

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Reportable Segments and Geographic Areas Information (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 Segment	Dec. 31, 2010	Dec. 31, 2009
Reportable Segments and Geographic Areas Information (Textual)
Number of reportable segments	2
Additions to property, plant and equipment from acquired businesses	$ 9.8	$ 22.2	$ 8.0
Revenue from U.S. export sales	$ 774.9	$ 564.5	$ 414.1

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Retirement Plans and Other Postretirement Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Change in projected benefit obligation ("PBO"):
Net projected benefit obligation at the beginning of the year	$ 511,097
Service cost	4,362	3,921	4,517
Interest cost	28,515	27,874	28,239
Net projected benefit obligation at the end of the year	547,342	511,097
Change in plan assets:
Fair value of plan assets at the beginning of the year	592,442
Fair value of plan assets at the end of the year	566,820	592,442
U.S. Defined Benefit Pension Plans [Member]
Change in projected benefit obligation ("PBO"):
Net projected benefit obligation at the beginning of the year	384,763	376,907
Service cost	3,095	2,917
Interest cost	21,271	21,489
Actuarial (gains) losses	34,765	9,578
Gross benefits paid	(24,962)	(24,380)
Plan amendments and other		(1,748)
Net projected benefit obligation at the end of the year	418,932	384,763
Change in plan assets:
Fair value of plan assets at the beginning of the year	465,903	430,513
Actual return on plan assets	527	59,520
Employer contributions	247	250
Gross benefits paid	(24,962)	(24,380)
Fair value of plan assets at the end of the year	441,715	465,903
Foreign Defined Benefit Pension Plans [Member]
Change in projected benefit obligation ("PBO"):
Net projected benefit obligation at the beginning of the year	126,334	110,607
Service cost	1,267	1,004
Interest cost	7,244	6,386
Acquisitions		9,633
Foreign currency translation adjustment	(863)	(4,370)
Employee contributions	403	389
Actuarial (gains) losses	(1,869)	6,069
Gross benefits paid	(4,106)	(3,384)
Net projected benefit obligation at the end of the year	128,410	126,334
Change in plan assets:
Fair value of plan assets at the beginning of the year	126,539	112,503
Actual return on plan assets	(2,347)	15,852
Employer contributions	5,139	3,305
Employee contributions	403	389
Foreign currency translation adjustment	(523)	(4,062)
Gross benefits paid	(4,106)	(3,384)
Acquisitions		1,936
Fair value of plan assets at the end of the year	$ 125,105	$ 126,539

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Share-Based Compensation (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Non-vested stock options outstanding
Beginning balance, Outstanding, Shares	6,119
Granted, Shares	660
Granted, Weighted Average Grant Date Fair Value	$ 11.34	$ 7.56	$ 5.20
Forfeited, Shares	(148)
Ending balance, Outstanding, Shares	5,466	6,119
Non-vested Stock Options [Member]
Non-vested stock options outstanding
Beginning balance, Outstanding, Shares	3,236
Beginning balance, Outstanding, Weighted Average Grant Date Fair Value	$ 6.32
Granted, Shares	660
Granted, Weighted Average Grant Date Fair Value	$ 11.34
Vested, Shares	(1,208)
Vested, Weighted Average Grant Date Fair Value	$ 6.23
Forfeited, Shares	(148)
Forfeited, Weighted Average Grant Date Fair Value	$ 6.91
Ending balance, Outstanding, Shares	2,540
Ending balance, Outstanding, Weighted Average Grant Date Fair Value	$ 7.63

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Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Long-term debt

	2011			2010
	(In thousands)
U.S. dollar 6.59% senior notes due September 2015	$	90,000		$	90,000
U.S. dollar 6.69% senior notes due December 2015		35,000			35,000
U.S. dollar 6.20% senior notes due December 2017		270,000			270,000
U.S. dollar 6.35% senior notes due July 2018		80,000			80,000
U.S. dollar 7.08% senior notes due September 2018		160,000			160,000
U.S. dollar 7.18% senior notes due December 2018		65,000			65,000
U.S. dollar 6.30% senior notes due December 2019		100,000			100,000
British pound 5.99% senior note due November 2016		62,170			62,396
British pound 4.68% senior note due September 2020		124,339			124,792
Euro 3.94% senior note due August 2015		64,800			66,850
Swiss franc 2.44% senior note due December 2021		58,686			—
Revolving credit loan		134,200			92,000
Other, principally foreign		19,729			22,474
Total debt		1,263,924			1,168,512
Less: Current portion		(140,508	)		(97,152	)
Total long-term debt	$	1,123,416		$	1,071,360

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Other Consolidated Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
INVENTORIES
Finished goods and parts	$ 70,315	$ 46,953
Work in process	72,676	73,556
Raw materials and purchased parts	237,480	214,744
Total inventories	380,471	335,253
PROPERTY, PLANT AND EQUIPMENT
Land	32,172	32,634
Buildings	211,060	209,019
Machinery and equipment	679,446	651,883
Property, plant and equipment, gross	922,678	893,536
Less: Accumulated depreciation	(597,349)	(575,410)
Property, plant and equipment, net	325,329	318,126
ACCRUED LIABILITIES
Employee compensation and benefits	75,051	71,957
Severance and lease termination	11,614	18,143
Product warranty obligation	22,466	18,347
Other	72,041	69,634
Total accrued liabilities	181,172	178,081
ALLOWANCES FOR POSSIBLE LOSSES ON ACCOUNTS AND NOTES RECEIVABLE
Balance at the beginning of the year	6,047	5,788	8,489
Additions charged to expense	2,458	1,466	1,139
Recoveries credited to allowance	11	120	70
Write-offs	(585)	(1,036)	(4,520)
Currency translation adjustments and other	(91)	(291)	610
Balance at the end of the year	$ 7,840	$ 6,047	$ 5,788

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Contingencies

12 Months Ended

Dec. 31, 2011

Contingencies [Abstract]

Contingencies

14. Contingencies

Environmental Matters

Certain historic processes in the manufacture of products have resulted in environmentally hazardous waste by-products as defined by federal and state laws and regulations. At December 31, 2011, the Company is named a Potentially Responsible Party (“PRP”) at 15 non-AMETEK-owned former waste disposal or treatment sites (the “non-owned” sites). The Company is identified as a “de minimis” party in 14 of these sites based on the low volume of waste attributed to the Company relative to the amounts attributed to other named PRPs. In ten of these sites, the Company has reached a tentative agreement on the cost of the de minimis settlement to satisfy its obligation and is awaiting executed agreements. The tentatively agreed-to settlement amounts are fully reserved. In the other four sites, the Company is continuing to investigate the accuracy of the alleged volume attributed to the Company as estimated by the parties primarily responsible for remedial activity at the sites to establish an appropriate settlement amount. At the remaining site where the Company is a non-de minimis PRP, the Company is participating in the investigation and/or related required remediation as part of a PRP Group and reserves have been established sufficient to satisfy the Company’s expected obligations. The Company historically has resolved these issues within established reserve levels and reasonably expects this result will continue. In addition to these non-owned sites, the Company has an ongoing practice of providing reserves for probable remediation activities at certain of its current or previously owned manufacturing locations (the “owned” sites). For claims and proceedings against the Company with respect to other environmental matters, reserves are established once the Company has determined that a loss is probable and estimable. This estimate is refined as the Company moves through the various stages of investigation, risk assessment, feasibility study and corrective action processes. In certain instances, the Company has developed a range of estimates for such costs and has recorded a liability based on the low end of the range. It is reasonably possible that the actual cost of remediation of the individual sites could vary from the current estimates and the amounts accrued in the consolidated financial statements; however, the amounts of such variances are not expected to result in a material change to the consolidated financial statements. In estimating the Company’s liability for remediation, the Company also considers the likely proportionate share of the anticipated remediation expense and the ability of the other PRPs to fulfill their obligations.

Total environmental reserves at December 31, 2011 and 2010 were $28.0 million and $31.3 million, respectively, for both non-owned and owned sites. In 2011, the Company recorded $1.2 million in reserves. Additionally, the Company spent $4.5 million on environmental matters in 2011. The Company’s reserves for environmental liabilities at December 31, 2011 and 2010 include reserves of $17.5 million and $18.9 million, respectively, for an owned site acquired in connection with the 2005 acquisition of HCC Industries (“HCC”). The Company is the designated performing party for the performance of remedial activities for one of several operating units making up a large Superfund site in the San Gabriel Valley of California. The Company has obtained indemnifications and other financial assurances from the former owners of HCC related to the costs of the required remedial activities. At December 31, 2011, the Company had $14.3 million in receivables related to HCC for probable recoveries from third-party escrow funds and other committed third-party funds to support the required remediation. Also, the Company is indemnified by HCC’s former owners for approximately $19.0 million of additional costs.

The Company has agreements with other former owners of certain of its acquired businesses, as well as new owners of previously owned businesses. Under certain of the agreements, the former or new owners retained, or assumed and agreed to indemnify the Company against, certain environmental and other liabilities under certain circumstances. The Company and some of these other parties also carry insurance coverage for some environmental matters. To date, these parties have met their obligations in all material respects.

The Company believes it has established reserves which are sufficient to perform all known responsibilities under existing claims and consent orders. The Company has no reason to believe that other third parties would fail to perform their obligations in the future. In the opinion of management, based upon presently available information and past experience related to such matters, an adequate provision for probable costs has been made and the ultimate cost resulting from these actions is not expected to materially affect the consolidated results of operations, financial position or cash flows of the Company.

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Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs

12 Months Ended

Dec. 31, 2011

Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs [Abstract]

Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs

19. Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs

During the fourth quarter of 2008, the Company recorded pre-tax charges totaling $40.0 million, which had the effect of reducing net income by $27.3 million ($0.17 per diluted share). These charges included restructuring costs for employee reductions and facility closures ($32.6 million), as well as asset write-downs ($7.4 million). The charges included $30.1 million for severance costs for more than 10% of the Company’s workforce and $1.5 million for lease termination costs associated with the closure of certain facilities. Of the $40.0 million in charges, $32.9 million of the restructuring charges and asset write-downs were recorded in cost of sales and $7.1 million of the restructuring charges and asset write-downs were recorded in Selling, general and administrative expenses. The restructuring charges and asset write-downs were reported in 2008 segment operating income as follows: $20.4 million in EIG, $19.4 million in EMG and $0.2 million in Corporate administrative and other expenses. The restructuring costs for employee reductions and facility closures relate to plans established by the Company in 2008 as part of cost reduction initiatives that were broadly implemented across the Company’s various businesses during fiscal 2009. The restructuring costs resulted from the consolidation of manufacturing facilities, the migration of production to low-cost locales and a general reduction in workforce in response to lower levels of expected sales volumes in certain of the Company’s businesses.

The following table provides a rollforward of the remaining accruals established in the fourth quarter of 2008 for restructuring charges and asset write-downs:

	Restructuring
	Severance			Facility Closures			Total
	(In millions)
Restructuring accruals at December 31, 2009	$	12.2		$	1.0		$	13.2
Utilization		(4.6	)		(0.7	)		(5.3	)
Foreign currency translation and other		(1.0	)		—			(1.0	)
Restructuring accruals at December 31, 2010		6.6			0.3			6.9
Utilization		(3.5	)		(0.1	)		(3.6	)
Foreign currency translation and other		(0.1	)		—			(0.1	)
Restructuring accruals at December 31, 2011	$	3.0		$	0.2		$	3.2

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Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other intangible assets
Definite-lived intangible assets (subject to amortization)	$ 859,838	$ 665,460
Accumulated amortization	(184,621)	(148,520)
Net intangible assets subject to amortization	675,217	516,940
Other intangible assets
Total	982,957	761,556
Trademarks and trade names [Member]
Other intangible assets
Indefinite-lived intangible assets (not subject to amortization)	307,740	244,616
Patents [Member]
Other intangible assets
Definite-lived intangible assets (subject to amortization)	53,048	52,403
Accumulated amortization	(30,913)	(28,687)
Purchased technology [Member]
Other intangible assets
Definite-lived intangible assets (subject to amortization)	124,773	107,170
Accumulated amortization	(33,819)	(28,026)
Customer lists [Member]
Other intangible assets
Definite-lived intangible assets (subject to amortization)	657,152	479,943
Accumulated amortization	(97,832)	(70,982)
Other acquired intangibles [Member]
Other intangible assets
Definite-lived intangible assets (subject to amortization)	24,865	25,944
Accumulated amortization	$ (22,057)	$ (20,825)

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Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Data (Unaudited) [Abstract]

Quarterly Financial Data

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
	(In thousands, except per share amounts)
2011
Net sales	$	717,783	$	758,834	$	750,546	$	762,751	$	2,989,914
Operating income	$	152,020	$	156,955	$	159,586	$	167,380	$	635,941
Net income	$	90,435	$	94,144	$	97,978	$	101,907	$	384,464
Basic earnings per share*	$	0.57	$	0.59	$	0.61	$	0.64	$	2.40
Diluted earnings per share*	$	0.56	$	0.58	$	0.60	$	0.63	$	2.37
Dividends paid per share*	$	0.06	$	0.06	$	0.06	$	0.06	$	0.24
2010
Net sales	$	556,662	$	591,941	$	644,374	$	677,975	$	2,470,952
Operating income	$	102,446	$	115,595	$	128,593	$	135,524	$	482,158
Net income	$	57,945	$	67,391	$	77,357	$	81,239	$	283,932
Basic earnings per share*	$	0.36	$	0.43	$	0.49	$	0.51	$	1.79
Diluted earnings per share*	$	0.36	$	0.42	$	0.48	$	0.50	$	1.76
Dividends paid per share*	$	0.04	$	0.04	$	0.04	$	0.06	$	0.18

* The sum of quarterly earnings per share may not equal total year earnings per share due to rounding of earnings per share amounts, and differences in weighted average shares and equivalent shares outstanding for each of the periods presented.

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Consolidated Statement of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Preferred stock	Common stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Foreign currency translation	Defined benefit pension plans	Unrealized holding (loss) gain on available-for-sale securities	Treasury Stock
Beginning Balance at Dec. 31, 2008			$ 1,653	$ 202,449	$ 1,320,470		$ (50,706)	$ (93,360)	$ (701)	$ (92,033)
Shares issued			12
Issuance of common stock under employee stock plans				3,455						8,700
Share-based compensation costs				13,502
Excess tax benefits from exercise of stock options				4,096
Net income	205,770				205,770
Cash dividends paid					(25,579)
Other					(190)
Foreign currency translation:
Translation adjustments							38,357
(Loss) gain on net investment hedges, net of tax benefit (expense) of $221, $1,893 and ($2,290) in 2011, 2010 and 2009, respectively							4,253
Total Foreign Currency Translation							42,610
Defined benefit pension plans:
Change in pension plans, net of tax benefit (expense) of $27,117, ($9,938) and ($15,830) in 2011, 2010 and 2009, respectively								26,239
Unrealized holding (loss) gain on available-for-sale securities:
(Decrease) increase during the year, net of tax (expense) benefit of ($92), $165 and $343 in 2011, 2010 and 2009, respectively									637
Total other comprehensive (loss) income for the year						69,486
Total comprehensive income for the year						275,256
Ending Balance at Dec. 31, 2009	1,567,024	0	1,665	223,502	1,500,471	(75,281)	(8,096)	(67,121)	(64)	(83,333)
Shares issued			16
Issuance of common stock under employee stock plans				14,202						8,391
Share-based compensation costs				16,596
Excess tax benefits from exercise of stock options				8,990
Net income	283,932				283,932
Cash dividends paid					(28,554)
Other					(107)
Foreign currency translation:
Translation adjustments							(29,791)
(Loss) gain on net investment hedges, net of tax benefit (expense) of $221, $1,893 and ($2,290) in 2011, 2010 and 2009, respectively							(3,515)
Total Foreign Currency Translation							(33,306)
Defined benefit pension plans:
Change in pension plans, net of tax benefit (expense) of $27,117, ($9,938) and ($15,830) in 2011, 2010 and 2009, respectively								16,323
Unrealized holding (loss) gain on available-for-sale securities:
(Decrease) increase during the year, net of tax (expense) benefit of ($92), $165 and $343 in 2011, 2010 and 2009, respectively									306
Total other comprehensive (loss) income for the year						(16,677)
Total comprehensive income for the year						267,255
Purchase of treasury stock										(78,609)
Ending Balance at Dec. 31, 2010	1,775,204	0	1,681	263,290	1,755,742	(91,958)	(41,402)	(50,798)	242	(153,551)
Shares issued			11
Issuance of common stock under employee stock plans				18,041						3,114
Share-based compensation costs				22,147
Excess tax benefits from exercise of stock options				13,056
Net income	384,464				384,464
Cash dividends paid					(38,366)
Other					(225)
Foreign currency translation:
Translation adjustments							(17,089)
(Loss) gain on net investment hedges, net of tax benefit (expense) of $221, $1,893 and ($2,290) in 2011, 2010 and 2009, respectively							(410)
Total Foreign Currency Translation							(17,499)
Defined benefit pension plans:
Change in pension plans, net of tax benefit (expense) of $27,117, ($9,938) and ($15,830) in 2011, 2010 and 2009, respectively								(47,635)
Unrealized holding (loss) gain on available-for-sale securities:
(Decrease) increase during the year, net of tax (expense) benefit of ($92), $165 and $343 in 2011, 2010 and 2009, respectively									(171)
Total other comprehensive (loss) income for the year						(65,305)
Total comprehensive income for the year						319,159
Purchase of treasury stock										(59,336)
Ending Balance at Dec. 31, 2011	$ 2,052,805	$ 0	$ 1,692	$ 316,534	$ 2,101,615	$ (157,263)	$ (58,901)	$ (98,433)	$ 71	$ (209,773)

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Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2008	Dec. 31, 2011	Dec. 31, 2010
Restructuring accruals
Restructuring accruals, Beginning Balance		$ 6.9	$ 13.2
Utilization		(3.6)	(5.3)
Foreign currency translation and other		(0.1)	(1.0)
Restructuring accruals, Ending Balance		3.2	6.9
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	40.0
Reduction in net income	27.3
Reduction in net income in terms of diluted earnings per share	$ 0.17
Asset write-downs	7.4
Charges related to severance costs	30.1
Percentage of Company's workforce for which severance costs applied	10.00%
Charges related to lease termination costs	1.5
Electromechanical Group Segment Operating Income [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	19.4
Electronic Instruments Group Segment Operating Income [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	20.4
Cost of Sales [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	32.9
Selling, General and Administrative Expenses [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	7.1
Corporate Administrative and Other Expenses Segment Operating Income [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	0.2
Severance [Member]
Restructuring accruals
Restructuring accruals, Beginning Balance		6.6	12.2
Utilization		(3.5)	(4.6)
Foreign currency translation and other		(0.1)	(1.0)
Restructuring accruals, Ending Balance		3.0	6.6
Facility Closures [Member]
Restructuring accruals
Restructuring accruals, Beginning Balance		0.3	1.0
Utilization		(0.1)	(0.7)
Restructuring accruals, Ending Balance		0.2	0.3
Employee Reductions And Facility Closures [Member]
Fourth Quarter of 2008 Restructuring Charges and Asset Write-Downs (Textual)
Total pre-tax charges including restructuring costs and asset write-downs	$ 32.6

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Fair Value Measurement

12 Months Ended

Dec. 31, 2011

Fair Value Measurement [Abstract]

Fair Value Measurement

3. Fair Value Measurement

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

The Company utilizes a valuation hierarchy for disclosure of the inputs to the valuations used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows. Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. Level 3 inputs are unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value. A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

At December 31, 2011, $0.2 million of the Company’s marketable securities are valued as level 1 investments. In addition, the Company held $4.4 million of marketable securities in an institutional diversified equity securities mutual fund. These securities are valued as level 2 investments. The marketable securities are shown as a separate line on the consolidated balance sheet. For the year ended December 31, 2011, gains and losses on the investments noted above were not significant. No transfers between level 1 and level 2 investments occurred during the year ended December 31, 2011.

Fair value of the institutional equity securities mutual fund was estimated using the net asset value of the Company’s ownership interests in the fund’s capital. The mutual fund seeks to provide long-term growth of capital by investing primarily in equity securities traded on U.S. exchanges and issued by large, established companies across many business sectors. There are no restrictions on the Company’s ability to redeem these equity securities investments.

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Debt (Details Textual)			1 Months Ended	9 Months Ended	12 Months Ended		9 Months Ended				12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			3 Months Ended		12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Sep. 30, 2011 Revolving credit loan [Member] USD ($)	Sep. 30, 2011 Revolving credit loan [Member] USD ($)	Dec. 31, 2011 Revolving credit loan [Member] USD ($)	Dec. 31, 2010 Revolving credit loan [Member] USD ($)	Sep. 30, 2011 Revolving credit facility terminated [Member] USD ($)	Dec. 31, 2011 Letter of credit [Member] USD ($)	Dec. 31, 2010 Letter of credit [Member] USD ($)	Dec. 31, 2011 Foreign subsidiaries [Member] USD ($)	Dec. 31, 2011 6.59% senior notes due September 2015 [Member] USD ($)	Dec. 31, 2010 6.59% senior notes due September 2015 [Member] USD ($)	Sep. 30, 2008 6.59% senior notes due September 2015 [Member] USD ($)	Dec. 31, 2011 6.69% senior notes due December 2015 [Member] USD ($)	Dec. 31, 2010 6.69% senior notes due December 2015 [Member] USD ($)	Dec. 31, 2008 6.69% senior notes due December 2015 [Member] USD ($)	Dec. 31, 2011 6.20% senior notes due December 2017 [Member] USD ($)	Dec. 31, 2010 6.20% senior notes due December 2017 [Member] USD ($)	Dec. 31, 2007 6.20% senior notes due December 2017 [Member] USD ($)	Dec. 31, 2011 6.35% senior notes due July 2018 [Member] USD ($)	Dec. 31, 2010 6.35% senior notes due July 2018 [Member] USD ($)	Jul. 31, 2008 6.35% senior notes due July 2018 [Member] USD ($)	Dec. 31, 2011 7.08% senior notes due September 2018 [Member] USD ($)	Dec. 31, 2010 7.08% senior notes due September 2018 [Member] USD ($)	Sep. 30, 2008 7.08% senior notes due September 2018 [Member] USD ($)	Dec. 31, 2011 7.18% senior notes due December 2018 [Member] USD ($)	Dec. 31, 2010 7.18% senior notes due December 2018 [Member] USD ($)	Dec. 31, 2008 7.18% senior notes due December 2018 [Member] USD ($)	Dec. 31, 2011 6.30% senior notes due December 2019 [Member] USD ($)	Dec. 31, 2010 6.30% senior notes due December 2019 [Member] USD ($)	Dec. 31, 2007 6.30% senior notes due December 2019 [Member] USD ($)	Dec. 31, 2011 British pound 5.99% senior note due November 2016 [Member] USD ($)	Dec. 31, 2010 British pound 5.99% senior note due November 2016 [Member] USD ($)	Nov. 30, 2004 British pound 5.99% senior note due November 2016 [Member] GBP (£)	Dec. 31, 2011 British pound 4.68% senior note due September 2020 [Member] USD ($)	Dec. 31, 2010 British pound 4.68% senior note due September 2020 [Member] USD ($)	Sep. 30, 2010 British pound 4.68% senior note due September 2020 [Member] GBP (£)	Dec. 31, 2011 Euro 3.94% senior note due August 2015 [Member] USD ($)	Dec. 31, 2010 Euro 3.94% senior note due August 2015 [Member] USD ($)	Sep. 30, 2005 Euro 3.94% senior note due August 2015 [Member] EUR (€)	Sep. 30, 2010 British pound 5.96% senior note due September 2010 [Member] USD ($)	Sep. 30, 2010 British pound 5.96% senior note due September 2010 [Member] GBP (£)	Dec. 31, 2011 Swiss franc 2.44% senior note due December 2021 USD ($)	Dec. 31, 2011 Swiss franc 2.44% senior note due December 2021 CHF	Dec. 31, 2010 Swiss franc 2.44% senior note due December 2021 USD ($)
Debt (Textual)
Interest rate on senior note											6.59%	6.59%	6.59%	6.69%	6.69%	6.69%	6.20%	6.20%	6.20%	6.35%	6.35%	6.35%	7.08%	7.08%	7.08%	7.18%	7.18%	7.18%	6.30%	6.30%	6.30%	5.99%	5.99%	5.99%	4.68%	4.68%	4.68%	3.94%	3.94%	3.94%	5.96%	5.96%	2.44%	2.44%	2.44%
Maturity date of senior note											Sep. 30, 2015	Sep. 30, 2015		Dec. 31, 2015	Dec. 31, 2015		Dec. 31, 2017	Dec. 31, 2017		Jul. 31, 2018	Jul. 31, 2018		Sep. 30, 2018	Sep. 30, 2018		Dec. 31, 2018	Dec. 31, 2018		Dec. 31, 2019	Dec. 31, 2019		Nov. 30, 2016	Nov. 30, 2016		Sep. 30, 2020	Sep. 30, 2020		Aug. 31, 2015	Aug. 31, 2015				Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021
Payment of debt																																									$ 78,200,000	£ 50,000,000
Aggregate principal amount of senior notes													90,000,000			35,000,000			270,000,000			80,000,000			160,000,000			65,000,000			100,000,000	62,200,000		40,000,000	124,300,000		80,000,000	64,800,000		50,000,000			58,700,000	55,000,000
Line of Credit Facility [Line Items]
Term of revolving credit facility			5 years
Total borrowing capacity under revolving credit facility			700,000,000	700,000,000			450,000,000
Additional borrowing capacity under revolving credit facility				200,000,000	200,000,000		100,000,000
Revolving credit facility expiration date							June 2012
Available borrowing capacity under revolving credit facility					742,700,000					56,000,000
Borrowings outstanding					134,200,000	92,000,000		25,900,000	22,600,000	19,700,000
Percentage of weighted average interest rate on revolving credit facility					1.10%	0.82%
Debt outstanding reported in long-term debt	1,263,924,000	1,168,512,000								13,400,000	90,000,000	90,000,000		35,000,000	35,000,000		270,000,000	270,000,000		80,000,000	80,000,000		160,000,000	160,000,000		65,000,000	65,000,000		100,000,000	100,000,000		62,170,000	62,396,000		124,339,000	124,792,000		64,800,000	66,850,000				58,686,000		0
Maturities of long-term debt outstanding in 2013	2,300,000
Maturities of long-term debt outstanding in 2014	1,800,000
Maturities of long-term debt outstanding in 2015	191,200,000
Maturities of long-term debt outstanding in 2016	64,300,000
Maturities of long-term debt outstanding in 2017	270,000,000
Maturities of long-term debt outstanding in 2018 and thereafter	$ 593,800,000
Weighted average interest rate on total debt outstanding	6.00%	6.30%

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Leases and Other Commitments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Leases and Other Commitments (Textual)
Minimum aggregate rental commitments under non-cancelable leases	$ 131.3
Future minimum rental payments in 2012	27.0
Future minimum rental payments in 2013	20.9
Future minimum rental payments in 2014	16.1
Future minimum rental payments in 2015	13.1
Future minimum rental payments in 2016	10.1
Future minimum rental payments thereafter	44.1
Rental expenses under non-cancelable leases	26.4	23.1	22.8
Purchase obligation outstanding	$ 275.5	$ 222.0

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Retirement Plans and Other Postretirement Benefits (Details 3) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Fair value of plan assets
Fair value of plan assets	$ 566,820	$ 592,442
U.S. Defined Benefit Pension Plans [Member]
Fair value of plan assets
Fair value of plan assets	441,715	465,903	430,513
U.S. Defined Benefit Pension Plans [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	208,359	262,288
U.S. Defined Benefit Pension Plans [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	214,624	203,615
U.S. Defined Benefit Pension Plans [Member] | Cash and temporary investments [Member]
Fair value of plan assets
Fair value of plan assets	2,402	23,163
U.S. Defined Benefit Pension Plans [Member] | Cash and temporary investments [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	2,402	23,163
U.S. Defined Benefit Pension Plans [Member] | Cash and temporary investments [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | AMETEK common stock [Member]
Fair value of plan assets
Fair value of plan assets	26,368	33,822
U.S. Defined Benefit Pension Plans [Member] | AMETEK common stock [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	26,368	33,822
U.S. Defined Benefit Pension Plans [Member] | AMETEK common stock [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | U.S. Small cap common stocks [Member]
Fair value of plan assets
Fair value of plan assets	26,033	35,280
U.S. Defined Benefit Pension Plans [Member] | U.S. Small cap common stocks [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	26,033	35,280
U.S. Defined Benefit Pension Plans [Member] | U.S. Small cap common stocks [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | U.S. Large cap common stocks [Member]
Fair value of plan assets
Fair value of plan assets	62,567	71,898
U.S. Defined Benefit Pension Plans [Member] | U.S. Large cap common stocks [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	40,281	46,461
U.S. Defined Benefit Pension Plans [Member] | U.S. Large cap common stocks [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	22,286	25,437
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - U.S. [Member]
Fair value of plan assets
Fair value of plan assets	41,467	42,135
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - U.S. [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - U.S. [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	41,467	42,135
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - Global [Member]
Fair value of plan assets
Fair value of plan assets	60,430	67,575
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - Global [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | Diversified common stocks - Global [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	60,430	67,575
U.S. Defined Benefit Pension Plans [Member] | U.S. Corporate [Member]
Fair value of plan assets
Fair value of plan assets	24,856	37,963
U.S. Defined Benefit Pension Plans [Member] | U.S. Corporate [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	24,856	37,963
U.S. Defined Benefit Pension Plans [Member] | U.S. Corporate [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | U.S. Government [Member]
Fair value of plan assets
Fair value of plan assets	5,126	8,024
U.S. Defined Benefit Pension Plans [Member] | U.S. Government [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	5,126	8,024
U.S. Defined Benefit Pension Plans [Member] | U.S. Government [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | Global asset allocation [Member]
Fair value of plan assets
Fair value of plan assets	121,296	99,058
U.S. Defined Benefit Pension Plans [Member] | Global asset allocation [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	70,855	60,226
U.S. Defined Benefit Pension Plans [Member] | Global asset allocation [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	50,441	38,832
U.S. Defined Benefit Pension Plans [Member] | Inflation related funds [Member]
Fair value of plan assets
Fair value of plan assets	52,438	46,985
U.S. Defined Benefit Pension Plans [Member] | Inflation related funds [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	12,438	17,349
U.S. Defined Benefit Pension Plans [Member] | Inflation related funds [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	40,000	29,636
U.S. Defined Benefit Pension Plans [Member] | Collective trust [Member]
Fair value of plan assets
Fair value of plan assets	18,732	0
U.S. Defined Benefit Pension Plans [Member] | Collective trust [Member] | Level 1 [Member]
Fair value of plan assets
Fair value of plan assets	0	0
U.S. Defined Benefit Pension Plans [Member] | Collective trust [Member] | Level 2 [Member]
Fair value of plan assets
Fair value of plan assets	$ 0	$ 0

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Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Data (Unaudited) [Abstract]

Quarterly Financial Data (Unaudited)

20. Quarterly Financial Data (Unaudited)

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
	(In thousands, except per share amounts)
2011
Net sales	$	717,783	$	758,834	$	750,546	$	762,751	$	2,989,914
Operating income	$	152,020	$	156,955	$	159,586	$	167,380	$	635,941
Net income	$	90,435	$	94,144	$	97,978	$	101,907	$	384,464
Basic earnings per share*	$	0.57	$	0.59	$	0.61	$	0.64	$	2.40
Diluted earnings per share*	$	0.56	$	0.58	$	0.60	$	0.63	$	2.37
Dividends paid per share*	$	0.06	$	0.06	$	0.06	$	0.06	$	0.24
2010
Net sales	$	556,662	$	591,941	$	644,374	$	677,975	$	2,470,952
Operating income	$	102,446	$	115,595	$	128,593	$	135,524	$	482,158
Net income	$	57,945	$	67,391	$	77,357	$	81,239	$	283,932
Basic earnings per share*	$	0.36	$	0.43	$	0.49	$	0.51	$	1.79
Diluted earnings per share*	$	0.36	$	0.42	$	0.48	$	0.50	$	1.76
Dividends paid per share*	$	0.04	$	0.04	$	0.04	$	0.06	$	0.18

* The sum of quarterly earnings per share may not equal total year earnings per share due to rounding of earnings per share amounts, and differences in weighted average shares and equivalent shares outstanding for each of the periods presented.

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Retirement Plans and Other Postretirement Benefits (Details 8) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Funded status asset (liability):
Fair value of plan assets	$ 566,820	$ 592,442
Projected benefit obligation	(547,342)	(511,097)
Funded status at the end of the year	19,478	81,345
Amounts recognized in the consolidated balance sheet consisted of:
Noncurrent asset for pension benefits (other assets)	36,490	95,029
Current liabilities for pension benefits	(563)	(235)
Noncurrent liability for pension benefits	(16,449)	(13,449)
Net amount recognized at the end of the year	$ 19,478	$ 81,345

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Guarantees (Tables)

12 Months Ended

Dec. 31, 2011

Guarantees [Abstract]

Changes in accrued product warranty obligation

	2011			2010			2009
	(In thousands)
Balance at the beginning of the year	$	18,347		$	16,035		$	16,068
Accruals for warranties issued during the year		13,247			10,616			8,236
Settlements made during the year		(10,175	)		(9,691	)		(11,095	)
Changes in liability for pre-existing warranties, including expirations during the year		—			(262	)		277
Warranty accruals related to acquired businesses and other during the year		1,047			1,649			2,549
Balance at the end of the year	$	22,466		$	18,347		$	16,035

XML

Guarantees

12 Months Ended

Dec. 31, 2011

Guarantees [Abstract]

Guarantees

13. Guarantees

The Company does not provide significant guarantees on a routine basis. The Company primarily issues guarantees, stand-by letters of credit and surety bonds in the ordinary course of its business to provide financial or performance assurance to third parties on behalf of its consolidated subsidiaries to support or enhance the subsidiary’s stand-alone creditworthiness. The amounts subject to certain of these agreements vary depending on the covered contracts actually outstanding at any particular point in time. At December 31, 2011, the maximum amount of future payment obligations relative to these various guarantees was $64.7 million and the outstanding liability under certain of those guarantees was $4.1 million.

Indemnifications

In conjunction with certain acquisition and divestiture transactions, the Company may agree to make payments to compensate or indemnify other parties for possible future unfavorable financial consequences resulting from specified events (e.g., breaches of contract obligations or retention of previously existing environmental, tax or employee liabilities) whose terms range in duration and often are not explicitly defined. Where appropriate, the obligation for such indemnifications is recorded as a liability. Because the amount of these types of indemnifications generally is not specifically stated, the overall maximum amount of the obligation under such indemnifications cannot be reasonably estimated. Further, the Company indemnifies its directors and officers for claims against them in connection with their positions with the Company. Historically, any such costs incurred to settle claims related to these indemnifications have been minimal for the Company. The Company believes that future payments, if any, under all existing indemnification agreements would not have a material impact on its consolidated results of operations, financial position or cash flows.

Product Warranties

The Company provides limited warranties in connection with the sale of its products. The warranty periods for products sold vary widely among the Company’s operations, but for the most part do not exceed one year. The Company calculates its warranty expense provision based on past warranty experience and adjustments are made periodically to reflect actual warranty expenses.

Changes in the accrued product warranty obligation were as follows at December 31:

	2011			2010			2009
	(In thousands)
Balance at the beginning of the year	$	18,347		$	16,035		$	16,068
Accruals for warranties issued during the year		13,247			10,616			8,236
Settlements made during the year		(10,175	)		(9,691	)		(11,095	)
Changes in liability for pre-existing warranties, including expirations during the year		—			(262	)		277
Warranty accruals related to acquired businesses and other during the year		1,047			1,649			2,549
Balance at the end of the year	$	22,466		$	18,347		$	16,035

Certain settlements of warranties made during the period were for specific nonrecurring warranty obligations. Product warranty obligations are reported as current liabilities in the consolidated balance sheet.