10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549 

FORM 10-Q 

(Mark One)

☒ Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended September 27, 2020 or

☐ Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from __________ to __________

Commission File Number 001-34218

COGNEX CORPORATION

(Exact name of registrant as specified in its charter)

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

One Vision Drive

Natick, Massachusetts 01760-2059

(508) 650-3000

(Address, including zip code, and telephone number, including area code, of principal executive offices)

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $.002 per share	CGNX	The NASDAQ Stock Market LLC

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 ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).

Yes ☒ No ☐

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

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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

Yes ☐ No ☒

As of September 27, 2020, there were 174,632,828 shares of Common Stock, $.002 par value per share, of the registrant outstanding.

INDEX

PART I	FINANCIAL INFORMATION	3
Item 1.	Financial Statements (interim periods unaudited)	3
	Consolidated Statements of Operations for the three-month and nine-month periods ended September 27, 2020 and September 29, 2019	3
	Consolidated Statements of Comprehensive Income for the three-month and nine-month periods ended September 27, 2020 and September 29, 2019	4
	Consolidated Balance Sheets as of September 27, 2020 and December 31, 2019	5
	Consolidated Statements of Cash Flows for the nine-month periods ended September 27, 2020 and September 29, 2019	6
	Consolidated Statements of Shareholders’ Equity for the three-month and nine-month periods ended September 27, 2020 and September 29, 2019	7
	Notes to Consolidated Financial Statements	9
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	29
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	34
Item 4.	Controls and Procedures	34
PART II	OTHER INFORMATION
Item 1.	Legal Proceedings	35
Item 1A.	Risk Factors	35
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	36
Item 3.	Defaults Upon Senior Securities	36
Item 4.	Mine Safety Disclosures	36
Item 5.	Other Information	36
Item 6.	Exhibits	37
	Signatures	38

2

PART I: FINANCIAL INFORMATION

ITEM 1: FINANCIAL STATEMENTS

COGNEX CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per share amounts)

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
	(unaudited)				(unaudited)
Revenue	$	251,073	$	183,325	$	587,405	$	555,856
Cost of revenue	59,741		47,632		151,261		144,883
Gross margin	191,332		135,693		436,144		410,973
Research, development, and engineering expenses	30,240		28,115		96,583		86,436
Selling, general, and administrative expenses	64,206		64,486		193,497		199,542
Restructuring charges (Note 16)	251		—		15,049		—
Intangible asset impairment charges (Note 8)	—		—		19,571		—
Operating income	96,635		43,092		111,444		124,995
Foreign currency gain (loss)	2,357		(1,295)		(310)		(1,403)
Investment income	2,490		5,114		11,010		15,242
Other income (expense)	(173)		456		(153)		1,239
Income before income tax expense	101,309		47,367		121,991		140,073
Income tax expense	13,803		5,682		15,150		16,535
Net income	$	87,506	$	41,685	$	106,841	$	123,538
Net income per weighted-average common and common-equivalent share:
Basic	$	0.50	$	0.24	$	0.62	$	0.72
Diluted	$	0.49	$	0.24	$	0.61	$	0.71
Weighted-average common and common-equivalent shares outstanding:
Basic	173,943		170,744		172,881		171,053
Diluted	177,138		174,449		176,038		175,164
Cash dividends per common share	$	0.055	$	0.050	$	0.165	$	0.150

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

3

COGNEX CORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands)

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
	(unaudited)				(unaudited)
Net income	$	87,506	$	41,685	$	106,841	$	123,538
Other comprehensive income (loss), net of tax:
Available-for-sale investments:
Net unrealized gain (loss), net of tax of $2,855 and ($5) in the three-month periods and net of tax of $1,067 and $502 in the nine-month periods, respectively	(2,308)		265		6,282		4,827
Reclassification of credit (recovery) loss on investments into current operations	—		—		75		—
Reclassification of net realized (gain) loss into current operations	(786)		(294)		(3,591)		(716)
Net change related to available-for-sale investments	(3,094)		(29)		2,766		4,111
Foreign currency translation adjustments:
Foreign currency translation adjustments	2,098		(1,099)		(3,364)		(1,544)
Net change related to foreign currency translation adjustments	2,098		(1,099)		(3,364)		(1,544)
Other comprehensive income (loss), net of tax	(996)		(1,128)		(598)		2,567
Total comprehensive income	$	86,510	$	40,557	$	106,243	$	126,105

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

4

COGNEX CORPORATION

CONSOLIDATED BALANCE SHEETS

(In thousands)

	September 27, 2020		December 31, 2019
	(unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	298,356	$	171,431
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	95,365		240,470
Accounts receivable, less reserves of $913 and $1,821 in 2020 and 2019, respectively	127,755		103,447
Unbilled revenue	15,389		4,782
Inventories	53,860		60,261
Prepaid expenses and other current assets	37,411		26,840
Total current assets	628,136		607,231
Non-current investments, amortized cost of $613,838 and $431,633 in 2020 and 2019, respectively, allowance for expected credit losses of $75 and $0 in 2020 and 2019, respectively	619,343		433,452
Property, plant, and equipment, net	81,225		89,443
Operating lease assets	24,942		17,522
Goodwill	243,129		243,445
Intangible assets, net	16,482		39,490
Deferred income taxes	439,574		449,519
Other assets	7,684		5,833
Total assets	$	2,060,515	$	1,885,935
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	21,464	$	17,866
Accrued expenses	68,348		52,199
Accrued income taxes	8,006		30,333
Deferred revenue and customer deposits	33,717		14,432
Operating lease liabilities	7,863		5,647
Total current liabilities	139,398		120,477
Non-current operating lease liabilities	20,053		12,326
Deferred income taxes	326,703		332,344
Reserve for income taxes	11,325		11,563
Non-current accrued income taxes	48,915		51,113
Other liabilities	8,292		2,402
Total liabilities	554,686		530,225
Shareholders’ equity:
Preferred stock, $.01 par value – Authorized: 400 shares in 2020 and 2019, respectively, no shares issued and outstanding	—		—
Common stock, $.002 par value – Authorized: 300,000 shares in 2020 and 2019, respectively, issued and outstanding: 174,633 and 172,440 shares in 2020 and 2019, respectively	349		345
Additional paid-in capital	762,832		639,372
Retained earnings	780,521		753,268
Accumulated other comprehensive loss, net of tax	(37,873)		(37,275)
Total shareholders’ equity	1,505,829		1,355,710
Total liabilities and shareholders' equity	$	2,060,515	$	1,885,935

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

5

COGNEX CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Nine-months Ended
	September 27, 2020		September 29, 2019
	(unaudited)
Cash flows from operating activities:
Net income	$	106,841	$	123,538
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	32,076		33,442
Depreciation of property, plant, and equipment	16,467		15,800
Amortization of intangible assets	3,437		2,119
Intangible asset impairment charges	19,571		—
Excess and obsolete inventory charges	9,386		4,121
Operating lease asset impairment charges	2,534		—
Amortization of discounts or premiums on investments	765		(563)
Realized gain on sale of investments	(3,591)		(716)
Credit loss on investments	75		—
Revaluation of contingent consideration	(114)		(1,401)
Change in deferred income taxes	3,194		(1,805)
Change in operating assets and liabilities:
Accounts receivable	(23,878)		11,387
Unbilled revenue	(10,606)		(2,900)
Inventories	(3,065)		13,898
Prepaid expenses and other current assets	(10,718)		5,827
Accounts payable	3,587		(3,398)
Accrued expenses	17,028		(11,827)
Accrued income taxes	(23,627)		(1,043)
Deferred revenue and customer deposits	19,066		698
Other	1,022		(1,616)
Net cash provided by operating activities	159,450		185,561
Cash flows from investing activities:
Purchases of investments	(601,447)		(883,363)
Maturities and sales of investments	567,245		781,929
Purchases of property, plant, and equipment	(9,829)		(13,518)
Net cash provided by (used in) investing activities	(44,031)		(114,952)
Cash flows from financing activities:
Issuance of common stock under stock plans	91,390		31,780
Repurchase of common stock	(51,036)		(61,690)
Payment of dividends	(28,554)		(25,682)
Payment of contingent consideration	(1,039)		—
Net cash provided by (used in) financing activities	10,761		(55,592)
Effect of foreign exchange rate changes on cash and cash equivalents	745		(1,528)
Net change in cash and cash equivalents	126,925		13,489
Cash and cash equivalents at beginning of period	171,431		108,212
Cash and cash equivalents at end of period	$	298,356	$	121,701

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

6

COGNEX CORPORATION

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(In thousands)

	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Total Shareholders’ Equity
	Shares	Par Value
Balance as of June 28, 2020	173,047	$	346	$	710,412	$	702,597	$	(36,877)	$	1,376,478
Issuance of common stock under stock plans	1,586	3		43,152		—		—		43,155
Repurchase of common stock	—	—		—		—		—		—
Stock-based compensation expense	—	—		9,268		—		—		9,268
Payment of dividends	—	—		—		(9,582)		—		(9,582)
Net income	—	—		—		87,506		—		87,506
Net unrealized gain (loss) on available-for-sale investments, net of tax of $2,855	—	—		—		—		(2,308)		(2,308)
Reclassification of credit (recovery) loss on investments	—	—		—		—		—		—
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	—	—		—		—		(786)		(786)
Foreign currency translation adjustment	—	—		—		—		2,098		2,098
Balance as of September 27, 2020 (unaudited)	174,633	$	349	$	762,832	$	780,521	$	(37,873)	$	1,505,829

	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Total Shareholders’ Equity
	Shares	Par Value
Balance as of June 30, 2019	170,661	$	341	$	578,871	$	649,234	$	(36,806)	$	1,191,640
Issuance of common stock under stock plans	236	1		5,362		—		—		5,363
Repurchase of common stock	—	—		—		—		—		—
Stock-based compensation expense	—	—		10,194		—		—		10,194
Payment of dividends	—	—		—		(8,536)		—		(8,536)
Net income	—	—		—		41,685		—		41,685
Net unrealized gain (loss) on available-for-sale investments, net of tax of ($5)	—	—		—		—		265		265
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	—	—		—		—		(294)		(294)
Foreign currency translation adjustment	—	—		—		—		(1,099)		(1,099)
Balance as of September 29, 2019 (unaudited)	170,897	$	342	$	594,427	$	682,383	$	(37,934)	$	1,239,218

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

7

COGNEX CORPORATION

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(In thousands)

	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Total Shareholders’ Equity
	Shares	Par Value
Balance as of December 31, 2019	172,440	$	345	$	639,372	$	753,268	$	(37,275)	$	1,355,710
Issuance of common stock under stock plans	3,408	6		91,384		—		—		91,390
Repurchase of common stock	(1,215)	(2)		—		(51,034)		—		(51,036)
Stock-based compensation expense	—	—		32,076		—		—		32,076
Payment of dividends	—	—		—		(28,554)		—		(28,554)
Net income	—	—		—		106,841		—		106,841
Net unrealized gain (loss) on available-for-sale investments, net of tax of $1,067	—	—		—		—		6,282		6,282
Reclassification of credit loss on investments	—	—		—		—		75		75
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	—	—		—		—		(3,591)		(3,591)
Foreign currency translation adjustment	—	—		—		—		(3,364)		(3,364)
Balance as of September 27, 2020 (unaudited)	174,633	$	349	$	762,832	$	780,521	$	(37,873)	$	1,505,829

	Common Stock			Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Total Shareholders’ Equity
	Shares	Par Value
Balance as of December 31, 2018	170,820	$	342	$	529,208	$	646,214	$	(40,501)	$	1,135,263
Issuance of common stock under stock plans	1,475	3		31,777		—		—		31,780
Repurchase of common stock	(1,398)	(3)		—		(61,687)		—		(61,690)
Stock-based compensation expense	—	—		33,442		—		—		33,442
Payment of dividends	—	—		—		(25,682)		—		(25,682)
Net income	—	—		—		123,538		—		123,538
Net unrealized gain (loss) on available-for-sale investments, net of tax of $502	—	—		—		—		4,827		4,827
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	—	—		—		—		(716)		(716)
Foreign currency translation adjustment	—	—		—		—		(1,544)		(1,544)
Balance as of September 29, 2019 (unaudited)	170,897	$	342	$	594,427	$	682,383	$	(37,934)	$	1,239,218

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

8

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 1: Summary of Significant Accounting Policies

As permitted by the rules of the Securities and Exchange Commission applicable to Quarterly Reports on Form 10-Q, these notes are condensed and do not contain all disclosures required by generally accepted accounting principles (GAAP). As a result of the adoption of ASU 2016-13 "Measurement of Credit Losses on Financial Instruments," Cognex Corporation (the "Company") has provided new disclosures related to credit losses in this Quarterly Report on Form 10-Q. Reference should be made to the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 for a full description of other significant accounting policies.

In the opinion of the management of the Company, the accompanying consolidated unaudited financial statements contain all adjustments, consisting of normal, recurring adjustments, excess and obsolete inventory charges (Note 5), intangible asset impairment charges (Note 8), restructuring charges (Note 16), and financial statement reclassifications necessary to present fairly the Company’s financial position as of September 27, 2020, and the results of its operations for the three-month and nine-month periods ended September 27, 2020 and September 29, 2019, and changes in shareholders’ equity, comprehensive income, and cash flows for the periods presented.

The results disclosed in the Consolidated Statements of Operations for the three-month and nine-month periods ended September 27, 2020 are not necessarily indicative of the results to be expected for the full year.

Cash, Cash Equivalents, and Investments

Money market instruments, as well as certificates of deposit and debt securities with original maturities of three months or less, are classified as cash equivalents and are stated at amortized cost. Certificates of deposit and debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as current investments. Debt securities with remaining maturities greater than one year are classified as non-current investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax and credit losses, recorded in shareholders’ equity as other comprehensive income (loss). Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies. The carrying value of this investment has been reduced to zero, and therefore, distributions are recorded as investment income as they occur.

Management monitors the carrying value of its investments in debt securities compared to their fair value to determine whether a credit loss or other type of impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the decline has resulted from a credit loss or other factors. In assessing whether a credit loss exists, the Company compares the present value of the cash flows expected to be collected from the security with the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis of the security, then a credit loss exists and an allowance for credit losses is recorded. The allowance for credit losses is limited by the amount that the fair value is less than the amortized cost basis of the security. Credit losses on impaired securities continue to be measured in subsequent periods, using the present value of expected future cash flows, and changes in the expected credit losses are recorded in current operations. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statement of Operations. When developing an estimate of the expected credit losses, the Company considers all available information relevant to assessing the collectability of cash flows. This information includes internal and external factors, historical and current events, reasonable and supportable forecasts including management's expectations of future economic conditions, the type of security, the credit rating of the security, and the size of the loss position, as well as other relevant information.

9

An impairment is recognized as a write-down if (i) the Company has the intent to sell the security or (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis. If impairment is considered upon condition (i) or (ii) described above, the debt security's amortized cost basis is written-down to its fair value and the impairment is recognized in current operations. Subsequent increases in the fair value of the debt securities after the write-down are included in shareholders' equity as other comprehensive income. The differences between the new amortized cost basis and the cash flows expected to be collected are accreted as interest income.

Unrealized losses, that have not been recorded through an allowance for credit losses or write-down of the debt security, are recorded in shareholders' equity as other comprehensive loss, net of the applicable taxes.

Accounts Receivable

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

NOTE 2: New Pronouncements

Accounting Standards Update (ASU) 2019-12, "Simplifying the Accounting for Income Taxes"

ASU 2019-12 applies to all entities within the scope of Topic 740, Income Taxes. The amendments in this ASU simplify the accounting for income taxes by removing the following exceptions: 1) exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; 2) exception to the requirement to recognize a deferred tax liability for equity method investments when a foreign subsidiary becomes an equity method investment; 3) exception to the ability not to recognize a deferred tax liability for a foreign subsidiary when a foreign equity method investment becomes a subsidiary; and 4) exception to the general methodology for calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The amendments in this ASU also simplify the accounting for income taxes by doing the following: 1) requiring that an entity recognize a franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax; 2) requiring that an entity evaluate when a step up in the tax basis of goodwill should be considered part of the business combination in which the book goodwill was originally recognized and when it should be considered a separate transaction; 3) specifying that an entity is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and 4) requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that included the enacted date. The amendments in this ASU are effective for public companies for annual periods, and interim periods within those annual periods, beginning after December 15, 2020. Early adoption is permitted; however, an entity that elects to early adopt the amendments must adopt all the amendments in the same period. The amendments in this ASU related to separate financial statements of legal entities that are not subject to tax should be applied on a retrospective basis for all periods presented. The amendments related to changes in ownership of foreign equity method investments or foreign subsidiaries should be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. The amendments related to franchise taxes that are partially based on income should be applied on either a retrospective basis for all periods presented or a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. All other amendments should be applied on a prospective basis. Management does not expect ASU 2019-12 to have a material impact on the Company's consolidated financial statements and disclosures.

10

Accounting Standards Update (ASU) 2020-04, "Reference Rate Reform (Topic 848)"

The amendments in this ASU apply to all entities that have contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying generally accepted accounting principles (GAAP) to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments in this ASU are effective for all entities as of March 12, 2020 through December 31, 2022. Management does not expect ASU 2020-04 to have a material impact on the Company's consolidated financial statements and disclosures.

11

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 3: Fair Value Measurements

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

The following table summarizes the financial assets and liabilities required to be measured at fair value on a recurring basis as of September 27, 2020 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
Assets:
Money market instruments	$	3,926	$	—	$	—
Treasury bills	—		270,091		—
Corporate bonds	—		259,887		—
Asset-backed securities	—		129,543		—
Agency bonds	—		28,274		—
Sovereign bonds	—		24,496		—
Municipal bonds	—		2,417		—
Economic hedge forward contracts	—		313		—
Liabilities:
Economic hedge forward contracts	—		121		—
Contingent consideration liabilities	—		—		—

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

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

The Company recorded no gross credit losses or gross credit recoveries on debt securities for the three-month period ended September 27, 2020, and $160,000 and $85,000, respectively, for the nine-month period ended September 27, 2020. No credit losses or recoveries on debt securities were recorded for the three-month or nine-month periods ended September 29, 2019. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statements of Operations.

The Company's contingent consideration liabilities are reported at fair value based upon probability-adjusted present values of the consideration expected to be paid using significant inputs that are not observable in the market, and are therefore classified as Level 3. Key assumptions used in these estimates include probability assessments with respect to the likelihood of achieving certain revenue milestones. The fair values of these contingent consideration liabilities were calculated using discount rates consistent with the level of risk of achievement, and are remeasured each reporting period.

The fair value of the contingent consideration liability related to the Company's acquisition of Chiaro Technologies, LLC was $1,153,000 as of December 31, 2019. During the second quarter of 2020, the Company paid out $1,039,000 based upon the revenue levels achieved, with the remaining $114,000 recorded as a fair value adjustment in "Other income (expense)" on the Consolidated Statements of Operations.

The fair value of the contingent consideration liability related to the Company's acquisition of GVi Ventures, Inc. was written down to zero as of December 31, 2019 resulting from a lower level of revenue in the Americas' automotive industry, and the balance remains at zero as of September 27, 2020. The undiscounted potential outcomes related to future contingent consideration range from $0 to $2,500,000 based upon certain revenue levels over the next two years.

12

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

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

Non-financial assets, such as property, plant and equipment, operating lease assets, goodwill, and intangible assets, are required to be measured at fair value only when an impairment loss is recognized. The Company evaluates these long-lived assets for impairment whenever events or changes in circumstances, referred to as "triggering events," indicate the carrying value may not be recoverable. Our business has been adversely and materially impacted by deteriorating global economic conditions resulting from the COVID-19 pandemic. These conditions triggered a review of long-lived assets for potential impairment as of May 26, 2020, which resulted in operating lease asset impairment charges of $2,534,000 in the second quarter of 2020 (refer to Notes 6 and 16) that are included in "Restructuring charges" on the Consolidated Statements of Operations, and intangible asset impairment charges of $19,571,000 in the second quarter of 2020 (refer to Note 8). These fair value measurements are based upon the present values of future cash flows using significant inputs that are not observable in the market, and are therefore classified as Level 3.

NOTE 4: Cash, Cash Equivalents, and Investments

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

	September 27, 2020		December 31, 2019
Cash	$	294,430	$	155,498
Money market instruments	3,926		15,933
Cash and cash equivalents	298,356		171,431
Corporate bonds	43,436		65,624
Asset-backed securities	34,536		66,680
Sovereign bonds	16,086		6,294
Municipal bonds	1,307		4,630
Treasury bills	—		92,914
Certificate of deposit	—		4,328
Current investments	95,365		240,470
Treasury bills	270,091		216,334
Corporate bonds	216,451		146,474
Asset-backed securities	95,007		46,403
Agency bonds	28,274		5,914
Sovereign bonds	8,410		16,005
Municipal bonds	1,110		2,322
Non-current investments	619,343		433,452
	$	1,013,064	$	845,353

Asset-backed securities consist of debt securities collateralized by pools of receivables or loans with credit enhancement; corporate bonds consist of debt securities issued by both domestic and foreign companies; treasury bills consist of debt securities issued by the U.S. government; sovereign bonds consist of direct debt issued by foreign governments; municipal bonds consist of debt securities issued by state and local government entities; certificates of deposit are time deposits held by financial institutions with a fixed interest rate; and agency bonds consist of domestic or foreign obligations of government agencies and government-sponsored enterprises that have government backing. All securities are denominated in U.S. Dollars, with the exception of the certificate of deposit held as of December 31, 2019 that was denominated in Korean Won.

Accrued interest receivable is recorded in "Prepaid expenses and other current assets" on the Consolidated Balance Sheet and amounted to $1,912,000 and $2,874,000 as of September 27, 2020 and December 31, 2019, respectively.

13

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

On January 1, 2020, the Company adopted Accounting Standards Update (ASU) 2016-13, “Measurement of Credit Losses on Financial Instruments,” using the modified-retrospective approach, which requires the Company to apply the standard on a prospective basis with a cumulative-effect adjustment to retained earnings as of the beginning of the period in which the guidance is effective. The Company did not record an adjustment to retained earnings, as there were no debt securities with credit losses as of the adoption date.

The following table summarizes the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Current:
Corporate bonds	$	43,208	$	254	$	(26)	$	43,436
Asset-backed securities	34,277		259		—		34,536
Sovereign bonds	15,978		108		—		16,086
Municipal bonds	1,298		9		—		1,307
Non-current:
Treasury bills	268,071		2,030		(10)		270,091
Corporate bonds	213,850		2,717		(116)		216,451
Asset-backed securities	94,270		737		—		95,007
Agency bonds	28,193		81		—		28,274
Sovereign bonds	8,349		61		—		8,410
Municipal bonds	1,105		5		—		1,110
	$	708,599	$	6,261	$	(152)	$	714,708

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of September 27, 2020 (in thousands):

	Unrealized Loss Position For:
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Corporate bonds	$	42,058	$	(142)	$	—	$	—	$	42,058	$	(142)
Treasury bills	11,543		(10)		—		—		11,543		(10)
	$	53,601	$	(152)	$	—	$	—	$	53,601	$	(152)

The Company recorded no gross credit losses or gross credit recoveries on debt securities for the three-month period ended September 27, 2020, and $160,000 and $85,000, respectively, for the nine-month period ended September 27, 2020. No credit losses or recoveries on debt securities were recorded for the three-month or nine-month periods ended September 29, 2019. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statements of Operations.

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	—
Increases to the allowance for credit losses	160
Decreases to the allowance for credit losses	(85)
Write-offs	—
Balance as of September 27, 2020	$	75

14

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

The Company recorded gross realized gains and gross realized losses on the sale of debt securities totaling $787,000 and $1,000, respectively, for the three-month period ended September 27, 2020, and $361,000 and $67,000, respectively, for the three-month period ended September 29, 2019. The Company recorded gross realized gains and gross realized losses on the sale of debt securities totaling $3,613,000 and $22,000, respectively, for the nine-month period ended September 27, 2020, and $818,000 and $103,000, respectively, for the nine-month period ended September 29, 2019. These gains and losses are included in "Investment income" on the Consolidated Statements of Operations. Prior to the sale of these securities, unrealized gains and losses for these debt securities, net of tax, are recorded in shareholders’ equity as accumulated other comprehensive loss.

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	<1 year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		Total
Treasury bills	$	—	$	167,677	$	98,353	$	4,061	$	—	$	270,091
Corporate bonds	43,436		86,619		126,966		2,866		—		259,887
Asset-backed securities	34,536		45,513		45,457		52		3,985		129,543
Agency bonds	—		5,933		22,341		—		—		28,274
Sovereign bonds	16,086		4,973		3,437		—		—		24,496
Municipal bonds	1,307		1,110		—		—		—		2,417
	$	95,365	$	311,825	$	296,554	$	6,979	$	3,985	$	714,708

NOTE 5: Inventories

Inventories consisted of the following (in thousands):

	September 27, 2020		December 31, 2019
Raw materials	$	25,021	$	27,285
Work-in-process	3,666		5,503
Finished goods	25,173		27,473
	$	53,860	$	60,261

The Company recorded provisions for excess and obsolete inventories of $9,386,000 for the nine-month period ended September 27, 2020, which reduced the carrying value of the inventories to their net realizable value. Charges of $7,718,000 were recorded in the second quarter of 2020 due to lower projected sales of excess inventories as a result of deteriorating global economic conditions from the COVID-19 pandemic.

15

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 6:  Leases

The Company's leases are primarily leased properties across different worldwide locations where the Company conducts its operations. All of these leases are classified as operating leases. Certain leases may contain options to extend or terminate the lease at the Company's sole discretion. There were no options to extend or terminate that were included in the determination of the lease term for the leases outstanding as of September 27, 2020. Certain leases contain leasehold improvement incentives, retirement obligations, escalating clauses, rent holidays, and variable payments tied to a consumer price index. There were no restrictions or covenants for the leases outstanding as of September 27, 2020.

The total operating lease expense for the three-month periods ended September 27, 2020 and September 29, 2019 was $2,047,000 and $1,749,000, respectively. The total operating lease cash payments for the three-month periods ended September 27, 2020 and September 29, 2019 were $2,041,000 and $1,708,000, respectively. The total lease expense for leases with a term of twelve months or less for which the Company elected not to recognize a lease asset or lease liability was $22,000 for both of the three-month periods ended September 27, 2020 and September 29, 2019.

The total operating lease expense for the nine-month periods ended September 27, 2020 and September 29, 2019 was $6,100,000 and $4,976,000, respectively. The total operating lease cash payments for the nine-month periods ended September 27, 2020 and September 29, 2019 were $5,995,000 and $4,778,000, respectively. The total lease expense for leases with a term of twelve months or less for which the Company elected not to recognize a lease asset or lease liability was $84,000 and $255,000 for the nine-month periods ended September 27, 2020 and September 29, 2019, respectively.

Future operating lease cash payments are as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	2,228
2021	8,641
2022	6,363
2023	5,080
2024	2,445
2025	1,359
Thereafter	4,641
	$	30,757

The discounted present value of the future lease cash payments resulted in a lease liability of $27,916,000 and $17,973,000 as of September 27, 2020 and December 31, 2019, respectively. The Company did not have any leases that had not yet commenced but that created significant rights and obligations as of September 27, 2020 or September 29, 2019.

The weighted-average discount rate was 4.1% and 4.6% for the leases outstanding as of September 27, 2020 and December 31, 2019, respectively. The weighted-average remaining lease term was 5.2 and 3.7 years for the leases outstanding as of September 27, 2020 and December 31, 2019, respectively.

As part of the Company's restructuring plan (refer to Note 16), management closed ten leased offices as of the end of the second quarter of 2020, prior to the end of their lease terms. The carrying value of the lease assets associated with these ten offices was reduced to zero, resulting in operating lease asset impairment charges of $2,534,000 in the second quarter of 2020 that are included in "Restructuring charges" on the Consolidated Statements of Operations. Management is currently negotiating early contract terminations for the remaining lease liability obligations associated with these abandoned offices.

The Company owns a building adjacent to its corporate headquarters that was partially occupied by a tenant for a portion of the current year. This lease was terminated prior to the end of its lease term during the second quarter of 2020. Rental income was $0 and $76,000 for the three-month periods ended September 27, 2020 and September 29, 2019, respectively, and $77,000 and $234,000 for the nine-month periods ended September 27, 2020 and September 29, 2019, respectively. The Company is now fully occupying this building for its operations.

16

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 7:  Goodwill

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

Balance as of December 31, 2019	$	243,445
Foreign exchange rate changes	(316)
Balance as of September 27, 2020	$	243,129

The adverse impact of the COVID-19 pandemic on our business triggered a review of long-lived assets, including goodwill, for potential impairment during the second quarter of 2020. Based upon this assessment, management concluded that the reporting unit fair value was not less than its carrying value, and therefore no goodwill impairment charge was recognized for the three-month and nine-month periods ended September 27, 2020. Factors that management considered in this assessment included macroeconomic conditions, industry and market conditions, overall financial performance (both current and projected), changes in management or strategy, changes in the composition or carrying value of net assets, and market capitalization.

NOTE 8:  Intangible Assets

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

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	21,917		11,678		10,239
Customer relationships	10,578		6,980		3,598
In-process technologies	2,300		—		2,300
Non-compete agreements	710		422		288
Trademarks	110		53		57
Balance as of September 27, 2020	$	73,675	$	57,193	$	16,482
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	31,987		9,160		22,827
Customer relationships	14,407		6,402		8,005
In-process technologies	8,200		—		8,200
Non-compete agreements	710		350		360
Trademarks	110		12		98
Balance as of December 31, 2019	$	93,474	$	53,984	$	39,490

The adverse impact of the COVID-19 pandemic on our business triggered a review of long-lived assets, including intangible assets, for potential impairment during the second quarter of 2020. For finite-lived intangible assets that are subject to amortization, the Company follows a two-step process for impairment testing. In step one, known as the recoverability test, the carrying value of the asset is compared to the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset. If the sum of the undiscounted future cash flows is less than the carrying value, the asset is not recoverable and step two is performed. In step two, the impairment charge is measured as the amount by which the carrying value of the asset exceeds its fair value. For indefinite-lived intangible assets that are not subject to amortization, the fair value of the asset is measured and an impairment charge is recorded as the amount by which the carrying value of the asset exceeds its fair value.

17

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Based upon this assessment, management concluded that certain of the Company's finite-lived intangible assets failed the recoverability test, and recorded impairment charges for these assets equal to the amount by which their carrying value exceeded their fair value. The Company also measured the fair value and recorded an impairment charge for its indefinite-lived intangible asset related to in-process technologies. The fair values were established, with the assistance of an outside valuation advisor, using the income approach based upon a discounted cash flow model that estimated future revenue streams and expenses attributable to those revenue streams provided by management.

This review resulted in intangible asset impairment charges totaling $19,571,000 in the second quarter of 2020, primarily related to lower projected cash flows from the technologies and customer relationships acquired from Sualab Co. Ltd. ("Sualab") as a result of the deteriorating global economic conditions from the COVID-19 pandemic. Completed technologies, in-process technologies, and customer relationships acquired from Sualab were impaired in the amounts of $10,070,000, $5,900,000, and $3,382,000, respectively. In addition, customer relationships acquired from EnShape GmbH that had a gross carrying value of $447,000 and accumulated amortization of $228,000 on the measurement date were reduced to zero, resulting in an impairment charge of $219,000.

As of September 27, 2020, estimated future amortization expense related to intangible assets was as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	831
2021	3,272
2022	2,902
2023	2,211
2024	1,697
2025	1,374
Thereafter	1,895
	$	14,182

In-process technology is an indefinite-lived intangible asset until the technology is finalized, at which point it is amortized over its estimated useful life.

18

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 9: Warranty Obligations

The Company records the estimated cost of fulfilling product warranties at the time of sale based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or changes in circumstances impacting product quality become known that would not have been taken into account using historical data. While we engage in extensive product quality programs and processes, including actively monitoring and evaluating the quality of our component suppliers and third-party contract manufacturers, the Company’s warranty obligation is affected by product failure rates, material usage, and service delivery costs incurred in correcting a product failure. An adverse change in any of these factors may result in the need for additional warranty provisions. Warranty obligations are included in “Accrued expenses” on the Consolidated Balance Sheets.

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

Balance as of December 31, 2019	$	4,713
Provisions for warranties issued during the period	2,671
Fulfillment of warranty obligations	(1,798)
Balance as of September 27, 2020	$	5,586

NOTE 10: Derivative Instruments

The Company’s foreign currency risk management strategy is principally designed to mitigate the potential financial impact of changes in the value of transactions and balances denominated in foreign currencies resulting from changes in foreign currency exchange rates. Currently, the Company enters into economic hedges to manage this risk. The economic hedges utilize foreign currency forward contracts with maturities of up to 45 days to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. These economic hedges are not designated as hedging instruments for hedge accounting treatment.

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

	September 27, 2020			December 31, 2019
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Not Designated as Hedging Instruments:
Euro	66,500	$	77,643	18,000	$	20,249
Korean Won	14,840,000	12,695		161,951,500	139,688
Mexican Peso	165,000	7,324		80,000	4,223
Japanese Yen	450,000	4,259		575,000	5,291
Hungarian Forint	1,305,000	4,174		870,000	2,962
British Pound	2,000	2,543		2,700	3,569
Taiwanese Dollar	41,675	1,430		37,450	1,256
Canadian Dollar	1,430	1,066		1,300	1,000
Singapore Dollar	1,310	951		845	628

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

	Asset Derivatives					Liability Derivatives
	Balance	Fair Value				Balance	Fair Value
	Sheet Location	September 27, 2020		December 31, 2019		Sheet Location	September 27, 2020		December 31, 2019
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	313	$	857	Accrued expenses	$	121	$	23

19

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

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

Asset Derivatives					Liability Derivatives
	September 27, 2020		December 31, 2019			September 27, 2020		December 31, 2019
Gross amounts of recognized assets	$	313	$	857	Gross amounts of recognized liabilities	$	121	$	23
Gross amounts offset	—		—		Gross amounts offset	—		—
Net amount of assets presented	$	313	$	857	Net amount of liabilities presented	$	121	$	23

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

	Location in Financial Statements	Three-months Ended				Nine-months Ended
		September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	(1,521)	$	469	$	(9,701)	$	535

20

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 11: Revenue Recognition

The following table summarizes disaggregated revenue information by geographic area based upon the customer's country of domicile (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Americas	$	86,482	$	64,983	$	215,696	$	207,161
Europe	60,189		61,092		144,758		180,251
Greater China	77,292		30,624		135,593		89,256
Other Asia	27,110		26,626		91,358		79,188
	$	251,073	$	183,325	$	587,405	$	555,856

The following table summarizes disaggregated revenue information by revenue type (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Standard products and services	$	174,797	$	139,887	$	486,458	$	473,610
Application-specific customer solutions	76,276		43,438		100,947		82,246
	$	251,073	$	183,325	$	587,405	$	555,856

Costs to Fulfill a Contract

Costs to fulfill a contract are included in "Prepaid expenses and other current assets" on the Consolidated Balance Sheet and amounted to $12,708,000 and $3,963,000 as of September 27, 2020 and December 31, 2019, respectively.

Accounts Receivable, Contract Assets, and Contract Liabilities

Accounts receivable represent amounts billed and currently due from customers which are reported at their net estimated realizable value. The Company maintains an allowance against its accounts receivable for potential credit losses. Contract assets consist of unbilled revenue which arises when revenue is recognized in advance of billing for certain application-specific customer solutions contracts. Contract liabilities consist of deferred revenue and customer deposits which arise when amounts are billed to or collected from customers in advance of revenue recognition.

On January 1, 2020, the Company adopted Accounting Standards Update (ASU) 2016-13, “Measurement of Credit Losses on Financial Instruments,” using the modified-retrospective approach, which requires the Company to apply the standard on a prospective basis with a cumulative-effect adjustment to retained earnings as of the beginning of the period in which the guidance is effective. The Company did not record an adjustment to retained earnings as this ASU did not have a material impact on the Company's consolidated allowance for credit losses.

The Company recorded credit losses on accounts receivable of $0 and $600,000 for the three-month and nine-month periods ended September 27, 2020, respectively. The Company recorded credit losses on accounts receivable of $125,000 and $215,000 for the three-month and nine-month periods ended September 29, 2019. The Company's estimate of expected credit losses takes into account the deteriorating global economic conditions from the COVID-19 pandemic.

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	530
Increases to the allowance for credit losses	600
Write-offs	(217)
Balance as of September 27, 2020	$	913

21

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

The following table summarizes the deferred revenue and customer deposits activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	14,432
Increases to deferred revenue and customer deposits	93,830
Recognition of revenue	(75,023)
Foreign exchange rate changes	478
Balance as of September 27, 2020	$	33,717

As a practical expedient, the Company has elected not to disclose the aggregate amount of the transaction price allocated to unsatisfied performance obligations, as our contracts have an original expected duration of less than one year.

22

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 12: Stock-Based Compensation Expense

Stock Plans

The Company’s stock-based awards that result in compensation expense consist of stock options and restricted stock units ("RSUs"). As of September 27, 2020, the Company had 16,450,000 shares available for grant under its stock plans. Stock options are granted with an exercise price equal to the market value of the Company’s common stock at the grant date and generally vest over four or five years based upon continuous service and expire ten years from the grant date. RSUs generally vest upon three years of continuous employment or incrementally over such three-year period. Participants are not entitled to dividends on RSUs.

Stock Options

The following table summarizes the Company’s stock option activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2019	12,899	$	37.95
Granted	975	51.58
Exercised	(3,408)	26.82
Forfeited or expired	(529)	50.34
Outstanding as of September 27, 2020	9,937	$	42.45	7.03	$	191,245
Exercisable as of September 27, 2020	3,807	$	33.58	5.83	$	107,040
Options vested or expected to vest as of September 27, 2020 (1)	9,125	$	41.73	6.92	$	182,232

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

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Risk-free rate	—	%	2.7	%	1.6	%	2.7	%
Expected dividend yield	—	%	0.39	%	0.43	%	0.39	%
Expected volatility	—	%	37	%	37	%	37	%
Expected term (in years)	—		5.1		6.0		5.2

No stock options were granted during the three-month period ended September 27, 2020.

Risk-free rate

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

Expected dividend yield

Generally, the current dividend yield is calculated by annualizing the cash dividend declared by the Company’s Board of Directors and dividing that result by the closing stock price on the grant date. 

Expected volatility

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

23

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Expected term

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

There were no stock options granted during the three-month period ended September 27, 2020. The weighted-average grant-date fair values of stock options granted during the three-month period ended September 29, 2019 was $18.42. The weighted-average grant-date fair values of stock options granted during the nine-month periods ended September 27, 2020 and September 29, 2019 were $18.52 and $18.58, respectively.

The total intrinsic values of stock options exercised for the three-month periods ended September 27, 2020 and September 29, 2019 were $62,787,000 and $5,746,000, respectively. The total intrinsic values of stock options exercised for the nine-month periods ended September 27, 2020 and September 29, 2019 were $116,600,000 and $42,545,000, respectively. The total fair values of stock options vested for the three-month periods ended September 27, 2020 and September 29, 2019 were $1,331,000 and $1,213,000, respectively. The total fair values of stock options vested for the nine-month periods ended September 27, 2020 and September 29, 2019 were $39,282,000 and $32,072,000, respectively.

Restricted Stock Units (RSUs)

The following table summarizes the Company's RSUs activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2019	150	$	48.63
Granted	438	51.73
Vested	—	—
Forfeited or expired	(34)	50.60
Nonvested as of September 27, 2020	554	$	50.96

The weighted-average grant-date fair values of RSUs granted during the three-month periods ended September 27, 2020 and September 29, 2019 were $67.14 and $45.20, respectively. The weighted-average grant-date fair values of RSUs granted during the nine-month periods ended September 27, 2020 and September 29, 2019 were $51.73 and $45.20, respectively. There were no RSUs that vested during the three-month and nine-month periods ended September 27, 2020 and September 29, 2019.

Stock-Based Compensation Expense

The Company stratifies its employee population into two groups: one consisting of senior management and another consisting of all other employees. The Company currently applies an estimated annual forfeiture rate of 7% to all stock-based awards for senior management and a rate of 12% for all other employees. Each year during the first quarter, the Company revises its forfeiture rate. This resulted in an increase to compensation expense of $1,787,000 in 2020 and a decrease to compensation expense of $499,000 in 2019.

As of September 27, 2020, total unrecognized compensation expense related to non-vested equity awards, including stock options and RSUs, was $56,150,000, which is expected to be recognized over a weighted-average period of 1.8 years.

The total stock-based compensation expense and the related income tax benefit recognized for the three-month period ended September 27, 2020 were $9,268,000 and $1,524,000, respectively, and for the three-month period ended September 29, 2019 were $10,194,000 and $1,804,000, respectively. The total stock-based compensation expense and the related income tax benefit recognized for the nine-month period ended September 27, 2020 were $32,076,000, which includes credits of $1,401,000 relating to grants cancelled as a result of the Company's workforce reduction, and $5,365,000, respectively, and for the nine-month period ended September 29, 2019 were $33,442,000 and $5,839,000, respectively. No compensation expense was capitalized as of September 27, 2020 or December 31, 2019.

24

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Cost of revenue	$	324	$	334	$	1,041	$	1,114
Research, development, and engineering	2,815		3,616		10,582		11,633
Selling, general, and administrative	6,129		6,244		20,453		20,695
	$	9,268	$	10,194	$	32,076	$	33,442

NOTE 13: Stock Repurchase Program

In October 2018, the Company's Board of Directors authorized the repurchase of $200,000,000 of the Company's common stock. As of September 27, 2020, the Company repurchased 2,816,000 shares at a cost of $121,348,000 under this program, including 1,215,000 shares at a cost of $51,036,000 during the nine-month period ended September 27, 2020, leaving a remaining balance of $78,652,000. No shares were repurchased during the three-month period ended September 27, 2020. On March 12, 2020, the Company's Board of Directors authorized the repurchase of an additional $200,000,000 of the Company's common stock. Purchases under this March 2020 program will commence upon completion of the October 2018 program. The Company may repurchase shares under these programs in future periods depending upon a variety of factors, including, among other things, the impact of dilution from employee equity awards, stock price, share availability, and cash requirements. The Company is authorized to make repurchases of its common stock through open market purchases, pursuant to Rule 10b5-1 trading plans, or in privately negotiated transactions.

NOTE 14: Income Taxes

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Income tax expense at U.S. federal statutory corporate tax rate	21	%	21	%	21	%	21	%
State income taxes, net of federal benefit	1	%	1	%	1	%	1	%
Foreign tax rate differential	(5)	%	(7)	%	(5)	%	(7)	%
Tax credit	(1)	%	(1)	%	(1)	%	(1)	%
Discrete tax benefit related to stock options	(4)	%	(1)	%	(9)	%	(3)	%
Discrete tax expense (benefit) related to tax return filings	—	%	(3)	%	3	%	(1)	%
Other	2	%	2	%	2	%	2	%
Income tax expense	14	%	12	%	12	%	12	%

The Company is tax resident in numerous jurisdictions around the world and has identified its major tax jurisdictions as the United States, Ireland, and China. The statutory tax rate is 12.5% in Ireland and 25% in China, compared to the U.S. federal statutory corporate tax rate of 21%. These differences resulted in a favorable impact to the effective tax rate of 5 percentage points for both the three-month and nine-month periods ended September 27, 2020, and 7 percentage points for the same periods in 2019. Management has determined that earnings from its legal entity in China will be indefinitely reinvested to provide local funding for growth, and that earnings from all other jurisdictions will not be indefinitely reinvested.

The Company recorded discrete tax benefits arising from the difference between the deduction for tax purposes and the compensation cost recognized for financial reporting purposes from stock exercises that resulted in a favorable impact to the effective tax rate of 4 and 9 percentage points for the three-month and nine-month periods ended September 27, 2020, respectively, and 1 and 3 percentage points for the same periods in 2019. In addition, the Company recorded other discrete tax items primarily related to the final true-up of the prior year tax accrual upon

25

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

filing the related tax return that resulted in an unfavorable impact to the effective tax rate of 3 percentage points for the nine-month period ended September 27, 2020, and a favorable impact to the effective tax rate of 3 and 1 percentage points for the three-month and nine-month periods ended September 29, 2019, respectively.

Excluding the impact of these discrete items, the Company’s effective tax rate was 18% of pre-tax income for the three-month and nine-month periods ended September 27, 2020, respectively, compared to 16% for the same periods in 2019. The increase in the effective tax rate, excluding the impact of discrete items, was due to more of the Company's profits being earned and taxed in higher tax jurisdictions.

During the nine-month period ended September 27, 2020, the Company recorded a $198,000 decrease in reserves for income taxes, net of deferred tax benefit. Estimated interest and penalties included in these amounts totaled $212,000 for the nine-month period ended September 27, 2020.

The Company’s reserve for income taxes, including gross interest and penalties, was $12,353,000 as of September 27, 2020, which included $11,325,000 classified as a non-current liability and $1,028,000 recorded as an increase to a non-current deferred tax liability. The amount of gross interest and penalties included in these balances was $1,192,000. If the Company’s tax positions were sustained or the statutes of limitations related to certain positions expired, these reserves would be released and income tax expense would be reduced in a future period.

The Company has defined its major tax jurisdictions as the United States, Ireland, and China, and within the United States, Massachusetts. Within the United States, the tax years 2017 through 2019 remain open to examination by the Internal Revenue Service ("IRS") and various state tax authorities. The tax years 2016 through 2019 remain open to examination by various taxing authorities in other jurisdictions in which the Company operates. The Company has recently been notified that it is under audit by the IRS for the tax year 2017. Management believes the Company is adequately reserved for this audit.

The Company has filed its U.S. federal tax return in the fourth quarter of 2020 for tax year 2019, and as a result, is expected to record a discrete tax benefit in excess of $12,000,000 in the fourth quarter. This benefit was the result of new regulations issued by the IRS relating to the use of foreign tax credits as allowable to reduce the tax associated with foreign operations under Global Intangible Low-Taxed Income (“GILTI”). These credits were generated from taxes paid relating to the acquisition of Sualab in October 2019.

NOTE 15: Weighted-Average Shares

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

	Three-months Ended		Nine-months Ended
	September 27, 2020	September 29, 2019	September 27, 2020	September 29, 2019
Basic weighted-average common shares outstanding	173,943	170,744	172,881	171,053
Effect of dilutive equity awards	3,195	3,705	3,157	4,111
Weighted-average common and common-equivalent shares outstanding	177,138	174,449	176,038	175,164

Stock options to purchase 1,416,000 and 5,540,000 shares of common stock, on a weighted-average basis, were outstanding during the three-month and nine-month periods ended September 27, 2020, respectively, and 6,078,000 and 5,695,000 for the same periods in 2019, but were not included in the calculation of dilutive net income per share because they were anti-dilutive. Restricted stock units totaling 3,000 and 2,000 shares of common stock, on a weighted-average basis, were outstanding during the three-month and nine-month periods ended September 27, 2020, respectively, but were not included in the calculation of dilutive net income per share because they were anti-dilutive. There were no anti-dilutive restricted stock units outstanding, on a weighted-average basis, during the three-month and nine-month periods ended September 29, 2019.

26

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 16: Restructuring Charges

On May 26, 2020, the Company's Board of Directors approved a restructuring plan intended to reduce the Company's operating costs, optimize its business model, and address the impact of the COVID-19 pandemic. The restructuring plan included a global workforce reduction of approximately 8% and office closures.

The Company estimates the total restructuring charges from these actions to be approximately $15,388,000, of which $14,798,000 was recorded in the second quarter and $251,000 was recorded in the third quarter of 2020 and are included in “Restructuring charges” on the Consolidated Statements of Operations. The remaining charges are expected to be recognized during the fourth quarter of 2020.

The following table summarizes the restructuring charges (in thousands):

	Total Amount Expected to be Incurred		Incurred in the Three-months Ended September 27, 2020		Incurred in the Nine-months Ended September 27, 2020
One-time termination benefits	$	10,503	$	(36)	$	10,350
Contract termination costs	4,099		104		4,099
Other associated costs	786		183		600
	$	15,388	$	251	$	15,049

One-time termination benefits include severance, health insurance, and outplacement services for 181 employees who were either terminated during the second quarter of 2020, or were notified during the second quarter of 2020 that they would be terminated at a future date. For employees not required to render service beyond a minimum retention period, the one-time termination benefits were recognized in the second quarter of 2020. Otherwise, these benefits, including retention bonuses for selected employees, are being recognized over the service period, which is not expected to exceed the fourth quarter of 2020.

Contract termination costs include remaining lease liability obligations and operating lease asset impairments for offices closed prior to the end of the contractual lease term. These costs also include the write-off of leasehold improvements and other equipment related to these abandoned offices that had no alternative use. These contract termination costs were primarily recognized in the second quarter of 2020 when the Company ceased using the property for economic benefit. Other associated costs primarily include legal fees related to the employee termination actions, which are being recognized when the services are performed.

The following table summarizes the activity in the Company’s restructuring reserve, which is included in “Accrued expenses” on the Consolidated Balance Sheets (in thousands):

	One-time Termination Benefits		Contract Termination Costs		Other Associated Costs		Total
Balance as of December 31, 2019	$	—	$	—	$	—	$	—
Restructuring charges	11,117		3,995		600		15,712
Cash payments	(8,133)		(230)		(412)		(8,775)
Non-cash restructuring charges	—		(3,145)		—		(3,145)
Restructuring adjustments	(767)		104		—		(663)
Foreign exchange rate changes	158		13		17		188
Balance as of September 27, 2020	$	2,375	$	737	$	205	$	3,317

Restructuring adjustments related to one-time termination benefits consisted primarily of the favorable true-up of severance estimates based on final agreements and health insurance estimates based on employee elections. Adjustments related to contract termination costs consisted primarily of lease early termination fees.

27

COGNEX CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 17: Subsequent Events

On October 28, 2020, the Company’s Board of Directors declared a cash dividend of $0.06 per share. The dividend is payable on November 27, 2020 to all shareholders of record as of the close of business on November 13, 2020.

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ITEM 2: MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward-Looking Statements

Certain statements made in this report, as well as oral statements made by the Company from time to time, constitute forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Readers can identify these forward-looking statements by our use of the words “expects,” “anticipates,” “estimates,” “believes,” “projects,” “intends,” “plans,” “will,” “may,” “shall,” “could,” “should,” and similar words and other statements of a similar sense. These statements are based upon our current estimates and expectations as to prospective events and circumstances, which may or may not be in our control and as to which there can be no firm assurances given. These forward-looking statements, which include statements regarding business and market trends, future financial performance, the expected impact of the COVID-19 pandemic on our assets, business and results of operations, customer order rates and timing of related revenue, future product mix, restructuring and other cost-savings initiatives, research and development activities, capital projects, investments, liquidity, strategic plans, and estimated tax benefits and expenses and other tax matters, involve known and unknown risks and uncertainties that could cause actual results to differ materially from those projected. Such risks and uncertainties include: (1) the impact, duration and severity of the COVID-19 pandemic; (2) current and future conditions in the global economy, including the impact of the COVID-19 pandemic and the imposition of tariffs or export controls; (3) the loss of, or curtailment of purchases by, a large customer; (4) the reliance on revenue from the consumer electronics or automotive industries; (5) the inability to penetrate the logistics industry and other new markets; (6) the inability to achieve significant international revenue; (7) fluctuations in foreign currency exchange rates and the use of derivative instruments; (8) information security breaches or business system disruptions; (9) the inability to attract and retain skilled employees; (10) the failure to effectively manage our growth; (11) the reliance upon key suppliers to manufacture and deliver critical components for our products; (12) the failure to effectively manage product transitions or accurately forecast customer demand; (13) the inability to design and manufacture high-quality products; (14) the technological obsolescence of current products and the inability to develop new products; (15) the failure to properly manage the distribution of products and services; (16) the inability to protect our proprietary technology and intellectual property; (17) our involvement in time-consuming and costly litigation; (18) the impact of competitive pressures; (19) the challenges in integrating and achieving expected results from acquired businesses, including the acquisition of Sualab; (20) potential impairment charges with respect to our investments or for acquired intangible assets or goodwill; (21) exposure to additional tax liabilities; and (22) potential disruptions to our business due to restructuring activities and the failure of such activities to generate the anticipated cost savings. The foregoing list should not be construed as exhaustive and we encourage readers to refer to the detailed discussion of risk factors included in Part I - Item 1A of the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, as updated by Part II - Item 1A of this Quarterly Report on Form 10-Q. The Company cautions readers not to place undue reliance upon any such forward-looking statements, which speak only as of the date made. The Company disclaims any obligation to subsequently revise forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date such statements are made.

Executive Overview

Cognex Corporation is a leading worldwide provider of machine vision products that capture and analyze visual information in order to automate manufacturing and distribution tasks where vision is required. In addition to product revenue derived from the sale of machine vision products, the Company also generates revenue by providing maintenance and support, consulting, and training services to its customers; however, service revenue accounted for less than 10% of total revenue for all periods presented.

Cognex machine vision is used to automate manufacturing and distribution processes in a variety of industries, where the technology is widely recognized as an important component of automated production and quality assurance. Virtually every manufacturer can achieve better quality and manufacturing efficiency by using machine vision, and therefore, Cognex products are used by a broad base of customers across a variety of industries, including consumer electronics, automotive, consumer products, food and beverage, pharmaceuticals, and medical devices. Cognex products are also used to automate distribution processes in the logistics industry, including for applications in retail distribution and ecommerce to scan, track, and sort goods through distribution centers.

Revenue for the third quarter of 2020 totaled $251,073,000, representing an increase of 37% from the third quarter of 2019. This increase was driven largely by higher revenue from certain customers in the electronics industry and ecommerce customers in the logistics industry. Both of these industries have benefited recently from higher consumer demand during the COVID-19 pandemic. These increases were partially offset by lower revenue from

29

customers in the automotive industry, which represented our largest industry in terms of revenue for fiscal year 2019, and continues to be negatively impacted by global economic conditions resulting from the COVID-19 pandemic.

Gross margin was 76% for the third quarter of 2020 compared to 74% for the third quarter of 2019. Margin expansion was due to the favorable impact of the higher revenue on fixed manufacturing costs, as well as favorable product mix toward relatively higher-margin electronics revenue. Operating expenses increased by 2% from the third quarter of 2019, as incentive compensation accruals were partially offset by lower travel expenses resulting from COVID-19 restrictions. We reported operating income of 38% of revenue in the third quarter of 2020 compared to 24% of revenue in the third quarter of 2019, demonstrating the substantial operating leverage from the incremental revenue. We reported net income of 35% of revenue in the third quarter of 2020, or $0.49 per share, compared to 23% of revenue in the third quarter of 2019, or $0.24 per share.

Results of Operations

Revenue

Revenue increased by $67,748,000, or 37%, for the three-month period and $31,549,000, or 6%, for the nine-month period. The increase was due largely to higher revenue from large customer deployments in the electronics industry and ecommerce customers in the logistics industry, which have experienced a significant increase in demand during the COVID-19 pandemic. In contrast, other industries we serve have experienced significantly lower demand, including the automotive industry, which was our largest industry in terms of revenue for fiscal year 2019. Accordingly, significant portions of our business have been adversely and materially impacted by deteriorating economic conditions resulting from the COVID-19 pandemic. Although revenue from customers in the automotive industry was lower than the prior year for both the three-month and nine-month periods, revenue from customers in this industry increased sequentially from the second quarter of 2020. In addition, revenue from customers in certain industries in which we have a smaller presence, including medical devices, pharmaceuticals, and life sciences, also increased sequentially from the prior quarter. Although we continue to experience certain disruptions to our business from COVID-19 and the situation is continuously changing, these conditions have improved in the third quarter.

From a geographic perspective, revenue from customers based in the Americas increased by 33% for the three-month period and 4% for the nine-month period due primarily to higher revenue in the logistics industry, partially offset by lower revenue in the automotive industry, for which the decrease was more significant in the nine-month period. Revenue from customers based in Europe was relatively flat for the three-month period and decreased by 20% for the nine-month period due primarily to lower sales in the automotive and electronics industries. Revenue from customers based in Greater China increased by 152% for the three-month period and 52% for the nine-month period due primarily to higher revenue in the electronics industry, partially offset by lower revenue in the automotive industry, for which the decrease was more significant in the nine-month period. In recent years, there has been a shift in procurement for certain electronics orders for Cognex products used on assembly lines in China. This procurement shift has resulted in an increase in revenue reported in Greater China that was previously reported in Europe. Revenue from other countries in Asia was relatively flat for the three-month period and increased by 15% for the nine-month period due primarily to higher revenue in the electronics industry.

As of the date of this report, we expect revenue for the fourth quarter of 2020 to be lower than the third quarter of 2020 but higher than the fourth quarter of 2019. The decrease from the third quarter of 2020 is expected to result from lower revenue in the electronics industry. The Company's revenue in this industry has an annual cycle based on large customer deployments, with higher revenue quarters typically in the second or third quarters or a combination of both. This year's revenue was primarily concentrated in the third quarter.

Although we expect revenue in the electronics industry to be sequentially lower in the fourth quarter of 2020, we anticipate that it will be higher than the fourth quarter of 2019, as we expect to continue to benefit from higher consumer demand for electronics products during the COVID-19 pandemic. We also expect revenue in the logistics industry in the fourth quarter of 2020 to be higher than the same quarter in 2019 due to continued strength in the ecommerce sector. Anticipated growth in electronics and logistics is expected to be partially offset by lower revenue in the automotive industry and certain other industries that have been adversely impacted by the COVID-19 pandemic. It is difficult for us to quantify the future impact of COVID-19 due to many factors beyond our control and knowledge, including changing governmental regulations and the scope and duration of social distancing and commerce restrictions, including access to customer facilities for on-site installations.

30

Gross Margin

Gross margin as a percentage of revenue was 76% and 74% for the three-month and nine-month periods in 2020, respectively, compared to 74% for both periods in 2019. The increase in the gross margin percentage was primarily due to the favorable impact of the higher revenue on fixed manufacturing costs, as well as favorable product mix toward relatively higher-margin electronics revenue. This impact was partially offset by higher provisions for excess and obsolete inventories for the nine-month period, which totaled $9,386,000 and $4,121,000 for the nine-month periods in 2020 and 2019, respectively. The higher level of provisions recorded in the nine-month period in 2020 was due to lower projected sales of excess inventories as a result of the deteriorating global economic conditions from the COVID-19 pandemic.

As of the date of this report, we expect gross margin as a percentage of revenue for the fourth quarter of 2020 to be in the mid-70s range, but lower than the percentage reported in the third quarter of 2020 due to the anticipated lower revenue level and less favorable product mix.

Operating Expenses

Research, development, and engineering (RD&E) expenses increased by $2,125,000, or 8%, for the three-month period and increased by $10,147,000, or 12%, for the nine-month period as detailed in the table below (in thousands).

	Three-month period		Nine-month period
RD&E expenses in 2019	$	28,115	$	86,436
Incentive compensation	2,311		4,860
Acquisition deferred compensation	1,310		3,930
Personnel-related costs	(711)		2,322
Travel expenses	(581)		(1,352)
Stock expenses	(870)		(1,042)
Other	666		1,429
RD&E expenses in 2020	$	30,240	$	96,583

The Company recorded higher incentive compensation accruals for annual plans with relevant performance goals for 2020. We will continue to monitor the achievement of these performance goals for the remainder of the year due to the impact of COVID-19 on our business, among other factors, which may result in adjustments to our incentive compensation accruals in the fourth quarter.

RD&E expenses also increased due to higher compensation costs from the Company's acquisition of Sualab in the fourth quarter of 2019. The consideration for this acquisition included deferred payments that are being recorded as compensation expense over four years from the closing date, which accounted for an increase in RD&E expense of $1,310,000 for the three-month period and $3,930,000 for the nine-month period. Although this acquisition also resulted in higher personnel-related costs from headcount additions related to a team of deep learning engineers, the impact of this incremental headcount was offset by a workforce reduction in the second quarter of 2020.

These increases were partially offset by lower travel expenses resulting from COVID-19 restrictions. We expect these restrictions to continue in the fourth quarter of 2020. The Company also recorded lower stock expense as a result of a lower total value of awards granted in 2020 as compared to 2019, as well as the impact on the timing of stock expense recognition from a shift in our compensation practices toward the granting of restricted stock units with cliff vesting. In addition, credits were recorded to stock expense in the second quarter of 2020 for awards cancelled as a result of a workforce reduction.

RD&E expenses as a percentage of revenue were 12% and 16% for the three-month and nine-month periods in 2020, respectively, compared to 15% and 16% for the same periods in 2019. We believe that a continued commitment to RD&E activities is essential in order to maintain or achieve product leadership with our existing products and to provide innovative new product offerings, as well as to provide engineering support for large customers. In addition, we consider our ability to accelerate time to market for new products to be critical to our revenue growth. We currently expect to continue to make significant RD&E investments to support our product development plans during the COVID-19 pandemic and other business disruptions generally.

31

Selling, General, and Administrative Expenses

Selling, general, and administrative (SG&A) expenses were relatively flat for the three-month period and decreased by $6,045,000, or 3%, for the nine-month period as detailed in the table below (in thousands).

	Three-month period		Nine-month period
SG&A expenses in 2019	$	64,486	$	199,542
Travel expenses	(3,659)		(10,247)
Contract labor	(797)		(1,923)
Foreign currency exchange rate changes	270		(1,587)
Marketing programs	(125)		(1,356)
Incentive compensation	5,863		9,646
Personnel-related costs	(1,195)		1,412
Other	(637)		(1,990)
SG&A expenses in 2020	$	64,206	$	193,497

SG&A expenses decreased due to lower travel expenses resulting from COVID-19 restrictions. We expect these restrictions to continue in the fourth quarter of 2020. In addition, the Company reduced spending on contract labor and marketing programs as part of actions taken to reduce operating costs during the global pandemic. Foreign currency exchange rate changes also resulted in a lower level of SG&A expenses for the nine-month period, as costs denominated in foreign currencies were translated to U.S. Dollars at a lower rate due to a relatively stronger U.S. Dollar.

These decreases were partially offset by higher incentive compensation accruals for annual plans with relevant performance goals for 2020. We will continue to monitor the achievement of these performance goals for the remainder of the year due to the impact of COVID-19 on our business, among other factors, which may result in adjustments to our incentive compensation accruals in the fourth quarter. Personnel-related costs were lower for the three-month period due to the impact of a workforce reduction in the second quarter of 2020.

Restructuring Charges

On May 26, 2020, the Company's Board of Directors approved a restructuring plan intended to reduce the Company's operating costs, optimize its business model, and address the impact of the COVID-19 pandemic. The restructuring plan included a global workforce reduction of approximately 8% and office closures. The Company estimates the total restructuring charges from these actions to be approximately $15,388,000, of which $14,798,000 was recorded in the second quarter and $251,000 was recorded in the third quarter of 2020. The second quarter charge of $251,000 included a net favorable adjustment of $663,000 resulting from actual costs coming in lower than original estimates. The remaining charge of approximately $339,000 is expected to be recorded in the fourth quarter of 2020.

The actions described above, together with actions already taken to reduce the Company's overall costs, were designed to generate an aggregate annualized cost savings of approximately $25,000,000 versus the Company's original planned cost structure. Actual savings anticipated from these actions have been achieved as expected in the third quarter of 2020 as described in personnel-related costs savings in RD&E expenses and SG&A expenses.

Intangible Asset Impairment Charges

Deteriorating global economic conditions from the COVID-19 pandemic triggered a review of long-lived assets for potential impairment in the second quarter of 2020. This review resulted in intangible asset impairment charges totaling $19,571,000 recorded in the second quarter of 2020, primarily related to lower projected cash flows from the technologies and customer relationships acquired from Sualab.

Non-operating Income (Expense)

The Company recorded foreign currency gains of $2,357,000 and foreign currency losses of $310,000 for the three-month and nine-month periods in 2020, respectively, compared to foreign currency losses of $1,295,000 and $1,403,000 for the same periods in 2019. Foreign currency gains and losses result primarily from the revaluation and settlement of accounts receivable, accounts payable, and intercompany balances that are reported in one currency and collected in another.

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Investment income decreased by $2,624,000, or 51%, for the three-month period and $4,232,000, or 28%, for the nine-month period. The decrease was due to lower yields on the Company's portfolio of debt securities.

The Company recorded other expense of $173,000 and $153,000 for the three-month and nine-month periods in 2020, respectively, compared to other income of $456,000 and $1,239,000 for the same periods in 2019. Other income (expense) includes fair value adjustments of contingent consideration liabilities arising from business acquisitions. The Company recorded favorable fair value adjustments to its GVi contingent consideration liability in 2019, resulting from a lower level of revenue in the Americas’ automotive industry.

Income Tax Expense

The Company’s effective tax rate was 14% and 12% of pre-tax income for the three-month and nine-month periods in 2020, respectively, compared to 12% of pre-tax income for both periods in 2019.

The effective tax rate included a decrease in tax expense of $4,354,000 and $10,447,000 for the three-month and nine-month periods in 2020, respectively, and $569,000 and $4,547,000 for the same periods in 2019, primarily from the excess tax benefit arising from the difference between the deduction for tax purposes and the compensation cost recognized for financial reporting purposes from stock option exercises. The Company cannot predict the level of stock option exercises by employees in future periods.

Other discrete tax items included an increase in tax expense of $129,000 and $3,638,000 for the three-month and nine-month periods in 2020, respectively, primarily from the final true-up of the prior year's tax accrual upon filing the related tax return, and a decrease in tax expense of $1,327,000 and $1,330,000 for the same periods in 2019, consisting primarily of the expiration of the statutes of limitations for certain reserves for income tax uncertainties.

Excluding the impact of these discrete items, the Company’s effective tax rate was 18% of pre-tax income for the three-month and nine-month periods in 2020, respectively, compared to 16% for the same periods in 2019. The increase in the effective tax rate, excluding the impact of discrete items, was due to more of the Company's profits being earned and taxed in higher tax jurisdictions.

The Company has filed its U.S. federal tax return in the fourth quarter of 2020 for tax year 2019, and as a result, is expected to record a discrete tax benefit in excess of $12,000,000 in the fourth quarter. This benefit was the result of new regulations issued by the IRS relating to the use of foreign tax credits as allowable to reduce the tax associated with foreign operations under Global Intangible Low-Taxed Income (“GILTI”). These credits were generated from taxes paid relating to the acquisition of Sualab in October 2019.

Liquidity and Capital Resources

The Company has historically been able to generate positive cash flow from operations, which has funded its operating activities and other cash requirements and has resulted in an accumulated cash and investment balance of approximately $1 billion as of September 27, 2020. The Company has established guidelines relative to credit ratings, diversification, and maturities of its investments that maintain liquidity.

The Company’s cash requirements for the nine-month period ended September 27, 2020 were primarily met with positive cash flows from operations and the proceeds from stock option exercises. Cash requirements consisted of operating activities, the repurchase of common stock, the payment of dividends, and capital expenditures. Capital expenditures for the nine-month period ended September 27, 2020 totaled $9,829,000 and consisted primarily of computer hardware and software, manufacturing test equipment related to new product introductions, and improvements made to the Company's headquarters building in Natick, Massachusetts and various leased facilities. The Company currently intends to continue to invest in capital projects, particularly related to its management information systems, that we believe are important to support our longer-term growth objectives.

The Company implemented a variety of cost-cutting measures in the second quarter of 2020 to address the impact of the COVID-19 pandemic, including a workforce reduction and office closures. The Company estimates the total restructuring charges from these actions to be approximately $15,388,000, of which $2,957,000 represents non-cash charges and adjustments, $8,775,000 was paid in the second and third quarters of 2020, and the remainder is expected to be paid out in the fourth quarter of 2020.

In October 2018, the Company's Board of Directors authorized the repurchase of $200,000,000 of the Company's common stock. As of September 27, 2020, the Company repurchased 2,816,000 shares at a cost of $121,348,000 under this program, including 1,215,000 shares at a cost of $51,036,000 in the first quarter of 2020, leaving a remaining balance of $78,652,000. No shares were repurchased during the second or third quarters of 2020. On March 12, 2020 the Company's Board of Directors authorized the repurchase of an additional $200,000,000 of the Company's common stock. Purchases under this March 2020 program will commence upon completion of the

33

October 2018 program. The Company may repurchase shares under these programs in future periods depending on a variety of factors, including, among other things, the impact of dilution from employee equity awards, stock price, share availability, and cash requirements. The Company is authorized to make repurchases of its common stock through open market purchases, pursuant to Rule 10b5-1 trading plans, or in privately negotiated transactions.

The Company’s Board of Directors declared and paid cash dividends of $0.050 per share in the first, second, and third quarters of 2019. The dividend was increased to $0.055 per share in the fourth quarter of 2019, as well as the first, second, and third quarters of 2020. Total dividends paid amounted to $28,554,000 for the nine-month period ended September 27, 2020. Future dividends will be declared at the discretion of the Company’s Board of Directors and will depend upon such factors as the Board deems relevant including, among other things, the Company’s ability to generate positive cash flows from operations.

The Company believes that its existing cash and investment balances, together with cash flow from operations, will be sufficient to meet its operating, investing, and financing activities for the next twelve months. As of September 27, 2020, the Company had approximately $1 billion in cash and investments. In addition, the Company has no long-term debt and does not anticipate needing debt financing in the near future. We believe that our strong cash position has put us in a relatively good position to maintain our liquidity during downturns in our business related to COVID-19 and with respect to our longer-term liquidity needs.

New Pronouncements

Refer to Part I - Note 2 within this Form 10-Q, for a full description of recently issued accounting pronouncements including the expected dates of adoption and the expected impact on the financial position and results of operations of the Company.

ITEM 3: QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes to the Company’s exposures to market risk since December 31, 2019.

ITEM 4: CONTROLS AND PROCEDURES

As required by Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, the Company has evaluated, with the participation of management, including the Chief Executive Officer and the Chief Financial Officer, the effectiveness of its disclosure controls and procedures (as defined in such rules) as of the end of the period covered by this report. Based on such evaluation, the Chief Executive Officer and Chief Financial Officer concluded that such disclosure controls and procedures were effective as of that date. From time to time, the Company reviews its disclosure controls and procedures, and may from time to time make changes aimed at enhancing their effectiveness and to ensure that the Company’s systems evolve with its business.

There was no change in the Company's internal control over financial reporting that occurred during the quarter ended September 27, 2020 that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting. We have considered the impact of COVID-19 on our internal controls over financial reporting.  Personnel constraints related to working from home have made our ability to execute certain controls more challenging; however, we have enhanced existing monitoring controls in an effort to ensure we continue to have effective internal controls during this time.

34

PART II: OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

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

ITEM 1A. RISK FACTORS

For a complete list of factors that could affect the Company’s business, results of operations, and financial condition, see the risk factors discussion provided in Part I—Item 1A of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2019. The following information updates, and should be read in conjunction with, Part I - Item 1A of the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019.

Our business has been, and is expected to continue to be, adversely affected by the recent COVID-19 pandemic.

The COVID-19 (also referred to as “coronavirus”) outbreak, which was first reported in China in the beginning of 2020, developed into a global pandemic in March 2020. The COVID-19 outbreak had a modest adverse impact on our business in the first quarter of 2020, primarily near the end of the quarter. This impact expanded and accelerated into the second quarter, as we noted lower demand for our products in certain industries, additional disruptions to our supply chain, longer customer delivery times, higher delivery costs, and further shutdowns of customer facilities.

Although these conditions have improved in the third quarter of 2020, certain industries we serve continue to be adversely impacted by the global pandemic, most notably the automotive industry which was our largest industry in terms of revenue in fiscal year 2019. Furthermore, the impact of the pandemic could worsen in any of our major industries or geographies in the future, resulting in deteriorating economic and business conditions and adverse effects on our business, results of operations and/or financial condition.

We face several risks and uncertainties related to the impact of COVID-19 on our business. It is difficult for us to quantify the duration and severity of this impact due to many factors beyond our control and knowledge, including changing governmental regulations and the scope and duration of social distancing and commercial restrictions. These risks and uncertainties include, among others:

•our customers may further delay or cancel orders for our products,

•additional customer facilities may be shut down for extended periods of time, resulting in our inability to deliver products, perform on-site services, or make on-site sales visits,

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

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

•our vendors may be unable to fulfill their delivery obligations to us within acceptable lead times for extended periods of time, which may force us to seek alternative sources of supply at higher costs,

•our contract manufacturers may experience interruptions that result in delivery delays and higher costs for our products,

•we may experience manufacturing delays and higher costs in the event of a supply disruption from a single-source vendor,

•we may experience extended customer delivery times and higher delivery costs,

•our distribution centers in Natick, Massachusetts and Cork, Ireland may be forced to operate with a significantly reduced workforce or be forced to shut down altogether due to government regulations or health concerns,

•our online sales and marketing efforts may be less effective than face-to-face activities, resulting in fewer customer acquisitions and lower sales from new products,

•challenges involved in working from home may delay certain of our new product introductions,

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

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

•our investment portfolio of debt securities may be exposed to material credit losses, and

•a decline in our stock price may make stock-based awards a less attractive form of compensation and a less attractive form of retention for our employees.

35

These risks and uncertainties could have a material adverse effect on the continuity of our business and our results of operations and financial condition. The impact of COVID-19 also may exacerbate other risks discussed in Part I - Item 1A of the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019, any of which could have a material adverse effect on our business, results of operations and financial condition. This situation is continuously changing and additional impacts on our business may arise of which we are not currently aware.

Our restructuring activities may result in disruption to our business and may not generate the anticipated cost savings.

In May 2020, our Board of Directors approved a restructuring plan intended to reduce our operating costs, optimize our business model, and address the impact of the COVID-19 pandemic. These actions, which included workforce reductions and office closures, were designed to generate an aggregate annualized cost savings of approximately $25,000,000 versus our original planned cost structure. Our ability to achieve the anticipated cost savings and other benefits from these actions within the expected timeframe is subject to many estimates and assumptions. These estimates and assumptions are subject to significant economic, competitive, and other uncertainties, many of which are beyond our control. If these estimates and assumptions are incorrect, if we experience delays, or if other unforeseen events occur, our business and results of operations could be adversely affected. In addition, although we currently expect to continue to make investments in strategic areas, these restructuring actions may nevertheless negatively impact programs we believe are important to the long-term success of our company, such as the ability to accelerate time to market for new products. In addition, our ability to provide a high level of service to our customers may be negatively impacted by these actions, particularly in regions where we have downsized our operations.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table sets forth information with respect to purchases by the Company of shares of its common stock during the three-month period ended September 27, 2020:

	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (1)	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (1)
June 29, 2020 - July 26, 2020	—	$	—	—	$	278,652,000
July 27, 2020 - August 23, 2020	—	—		—	278,652,000
August 24, 2020 - September 27, 2020	—	—		—	278,652,000
Total	—	$	—	—	$	278,652,000

(1) In October 2018, the Company's Board of Directors authorized the repurchase of $200,000,000 of the Company's common stock. Purchases under this program commenced in October 2018. On March 12, 2020, the Company's Board of Directors authorized the repurchase of an additional $200,000,000 of the Company's common stock.  This new authorization will commence once the Company completes the October 2018 program, with repurchases subject to market conditions and other relevant factors. The Company is authorized to make repurchases of its common stock through open market purchases, pursuant to Rule 10b5-1 trading plans, or in privately negotiated transactions.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

36

 ITEM 6. EXHIBITS

Exhibit Number
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) under the Securities Exchange Act of 1934*
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) under the Securities Exchange Act of 1934*
32.1	Certification of Principal Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002**
32.2	Certification of Principal Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002**
101.SCH	Inline XBRL Taxonomy Extension Schema Document*
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document*
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document*
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document*
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document*
104	Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101.*)
*	Filed herewith
**	Furnished herewith

37

SIGNATURES

Pursuant to the requirements 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.

Date:	October 28, 2020	COGNEX CORPORATION
		By:	/s/ Robert J. Willett
			Robert J. Willett
			President and Chief Executive Officer
			(Principal Executive Officer)
		By:	/s/ Paul D. Todgham
			Paul D. Todgham
			Senior Vice President of Finance and Chief Financial Officer
			(Principal Financial Officer)

38

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Robert J. Willett, certify that:

1    I have reviewed this quarterly report on Form 10-Q of Cognex Corporation;

2    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	October 28, 2020	By:	/s/ Robert J. Willett
			Robert J. Willett
			President and Chief Executive Officer
			(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Paul D. Todgham, certify that:

1    I have reviewed this quarterly report on Form 10-Q of Cognex Corporation;

2    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	October 28, 2020	By:	/s/ Paul D. Todgham
			Paul D. Todgham
			Senior Vice President of Finance and Chief Financial Officer
			(Principal Financial Officer)

EX-32.1

Exhibit 32.1*

CERTIFICATION PURSUANT TO

18 U.S.C. 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned officer of Cognex Corporation (the “Company”) hereby certifies to his knowledge that the Company’s quarterly report on Form 10-Q for the quarterly period ended September 27, 2020 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	October 28, 2020	By:	/s/ Robert J. Willett
			Robert J. Willett
			President and Chief Executive Officer
			(Principal Executive Officer)

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

EX-32.2

Exhibit 32.2*

CERTIFICATION PURSUANT TO

18 U.S.C. 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

The undersigned officer of Cognex Corporation (the “Company”) hereby certifies to his knowledge that the Company’s quarterly report on Form 10-Q for the quarterly period ended September 27, 2020 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended, and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	October 28, 2020	By:	/s/ Paul D. Todgham
			Paul D. Todgham
			Senior Vice President of Finance and Chief Financial Officer
			(Principal Financial Officer)

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

XML

Cover Page	9 Months Ended
	Sep. 27, 2020 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 27, 2020
Document Transition Report	false
Entity File Number	001-34218
Entity Registrant Name	COGNEX CORP
Entity Central Index Key	0000851205
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Incorporation, State or Country Code	MA
Entity Tax Identification Number	04-2713778
Entity Address, Address Line One	One Vision Drive
Entity Address, City or Town	Natick
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	01760
City Area Code	508
Local Phone Number	650-3000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, par value $.002 per share
Trading Symbol	CGNX
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding	174,632,828

XML

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Income Statement [Abstract]
Revenue	$ 251,073	$ 183,325	$ 587,405	$ 555,856
Cost of revenue	59,741	47,632	151,261	144,883
Gross margin	191,332	135,693	436,144	410,973
Research, development, and engineering expenses	30,240	28,115	96,583	86,436
Selling, general, and administrative expenses	64,206	64,486	193,497	199,542
Restructuring charges (Note 16)	251	0	15,049	0
Intangible asset impairment charges (Note 8)	0	0	19,571	0
Operating income	96,635	43,092	111,444	124,995
Foreign currency gain (loss)	2,357	(1,295)	(310)	(1,403)
Investment income	2,490	5,114	11,010	15,242
Other income (expense)	(173)	456	(153)	1,239
Income before income tax expense	101,309	47,367	121,991	140,073
Income tax expense	13,803	5,682	15,150	16,535
Net Income	$ 87,506	$ 41,685	$ 106,841	$ 123,538
Net income per weighted-average common and common-equivalent share:
Basic (usd per share)	$ 0.50	$ 0.24	$ 0.62	$ 0.72
Diluted (usd per share)	$ 0.49	$ 0.24	$ 0.61	$ 0.71
Weighted-average common and common-equivalent shares outstanding:
Basic (shares)	173,943	170,744	172,881	171,053
Diluted (shares)	177,138	174,449	176,038	175,164
Cash dividends per common share (usd per share)	$ 0.055	$ 0.050	$ 0.165	$ 0.150

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 87,506	$ 41,685	$ 106,841	$ 123,538
Available-for-sale investments:
Net unrealized gain (loss), net of tax of $2,855 and ($5) in the three-month periods and net of tax of $1,067 and $502 in the nine-month periods, respectively	(2,308)	265	6,282	4,827
Reclassification of credit (recovery) loss on investments into current operations	0	0	75	0
Reclassification of net realized (gain) loss into current operations	(786)	(294)	(3,591)	(716)
Net change related to available-for-sale investments	(3,094)	(29)	2,766	4,111
Foreign currency translation adjustments:
Foreign currency translation adjustments	2,098	(1,099)	(3,364)	(1,544)
Other comprehensive income (loss), net of tax	(996)	(1,128)	(598)	2,567
Total comprehensive income	$ 86,510	$ 40,557	$ 106,243	$ 126,105

XML

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Statement of Comprehensive Income [Abstract]
Tax effect on cash flow hedges	$ 0	$ 0	$ 0	$ 0
Tax effect of unrealized gain (loss) on available-for-sale investments	2,855	(5)	1,067	502
Tax effect of foreign currency translation adjustment	$ 0	$ 0	$ 0	$ 0

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 298,356	$ 171,431
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	95,365	240,470
Accounts receivable, less reserves of $913 and $1,821 in 2020 and 2019, respectively	127,755	103,447
Unbilled revenue	15,389	4,782
Inventories	53,860	60,261
Prepaid expenses and other current assets	37,411	26,840
Total current assets	628,136	607,231
Non-current investments, amortized cost of $613,838 and $431,633 in 2020 and 2019, respectively, allowance for expected credit losses of $75 and $0 in 2020 and 2019, respectively	619,343	433,452
Property, plant, and equipment, net	81,225	89,443
Operating lease assets	24,942	17,522
Goodwill	243,129	243,445
Intangible assets, net	16,482	39,490
Deferred income taxes	439,574	449,519
Other assets	7,684	5,833
Total assets	2,060,515	1,885,935
Current liabilities:
Accounts payable	21,464	17,866
Accrued expenses	68,348	52,199
Accrued income taxes	8,006	30,333
Deferred revenue and customer deposits	33,717	14,432
Operating lease liabilities	7,863	5,647
Total current liabilities	139,398	120,477
Operating Lease, Liability, Noncurrent	20,053	12,326
Deferred income taxes	326,703	332,344
Reserve for income taxes	11,325	11,563
Non-current accrued income taxes	48,915	51,113
Other liabilities	8,292	2,402
Total liabilities	554,686	530,225
Preferred Stock, Value, Outstanding	0	0
Shareholders’ equity:
Common stock, $.002 par value – Authorized: 300,000 shares in 2020 and 2019, respectively, issued and outstanding: 174,633 and 172,440 shares in 2020 and 2019, respectively	349	345
Additional paid-in capital	762,832	639,372
Retained earnings	780,521	753,268
Accumulated other comprehensive loss, net of tax	(37,873)	(37,275)
Total shareholders’ equity	1,505,829	1,355,710
Total liabilities and shareholders' equity	$ 2,060,515	$ 1,885,935

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Reserves for accounts receivable	$ 913	$ 1,821
Common stock par value (in dollars per share)	$ 0.002	$ 0.002
Common stock shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	174,663,000	172,440,000

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Cash flows from operating activities:
Net income	$ 106,841	$ 123,538
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	32,076	33,442
Depreciation of property, plant, and equipment	16,467	15,800
Amortization of intangible assets	3,437	2,119
Intangible asset impairment charges	19,571	0
Excess and obsolete inventory charges	9,386	4,121
Operating lease asset impairment charges	2,534	0
Amortization of discounts or premiums on investments	765	(563)
Realized gain on sale of investments	(3,591)	(716)
Credit loss on investments	75	0
Revaluation of contingent consideration	(114)	(1,401)
Change in deferred income taxes	3,194	(1,805)
Accounts receivable	(23,878)	11,387
Unbilled revenue	(10,606)	(2,900)
Inventories	(3,065)	13,898
Prepaid expenses and other current assets	(10,718)	5,827
Accounts payable	3,587	(3,398)
Accrued expenses	17,028	(11,827)
Accrued income taxes	(23,627)	(1,043)
Deferred revenue and customer deposits	19,066	698
Other	1,022	(1,616)
Net cash provided by operating activities	159,450	185,561
Cash flows from investing activities:
Purchases of investments	(601,447)	(883,363)
Maturities and sales of investments	567,245	781,929
Purchases of property, plant, and equipment	(9,829)	(13,518)
Net cash provided by (used in) investing activities	(44,031)	(114,952)
Cash flows from financing activities:
Issuance of common stock under stock plans	91,390	31,780
Repurchase of common stock	(51,036)	(61,690)
Payment of dividends	(28,554)	(25,682)
Payment of contingent consideration	(1,039)	0
Net cash provided by (used in) financing activities	10,761	(55,592)
Effect of foreign exchange rate changes on cash and cash equivalents	745	(1,528)
Net change in cash and cash equivalents	126,925	13,489
Cash and cash equivalents at beginning of period	171,431	108,212
Cash and cash equivalents at end of period	$ 298,356	$ 121,701

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Consolidated Statement of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 31, 2018		170,820
Beginning Balance at Dec. 31, 2018	$ 1,135,263	$ 342	$ 529,208	$ 646,214	$ (40,501)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under stock plans (in shares)		1,475
Issuance of common stock under stock plans	31,780	$ 3	31,777
Repurchase of common stock (in shares)		(1,398)
Repurchase of common stock	(61,690)	$ (3)		(61,687)
Stock-based compensation expense	33,442		33,442
Payment of dividends	(25,682)			(25,682)
Net income	123,538			123,538
Net unrealized gain (loss) on available-for-sale investments, net of tax	4,827				4,827
Reclassification of credit (recovery) loss on investments	0
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(716)				(716)
Foreign currency translation adjustment	(1,544)				(1,544)
Ending Balance (in shares) at Sep. 29, 2019		170,897
Ending Balance at Sep. 29, 2019	1,239,218	$ 342	594,427	682,383	(37,934)
Beginning Balance (in shares) at Jun. 30, 2019		170,661
Beginning Balance at Jun. 30, 2019	1,191,640	$ 341	578,871	649,234	(36,806)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under stock plans (in shares)		236
Issuance of common stock under stock plans	5,363	$ 1	5,362
Repurchase of common stock (in shares)		0
Repurchase of common stock	0	$ 0		0
Stock-based compensation expense	10,194		10,194
Payment of dividends	(8,536)			(8,536)
Net income	41,685			41,685
Net unrealized gain (loss) on available-for-sale investments, net of tax	265				265
Reclassification of credit (recovery) loss on investments	0
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(294)				(294)
Foreign currency translation adjustment	(1,099)				(1,099)
Ending Balance (in shares) at Sep. 29, 2019		170,897
Ending Balance at Sep. 29, 2019	$ 1,239,218	$ 342	594,427	682,383	(37,934)
Beginning Balance (in shares) at Dec. 31, 2019	172,440	172,440
Beginning Balance at Dec. 31, 2019	$ 1,355,710	$ 345	639,372	753,268	(37,275)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under stock plans (in shares)		3,408
Issuance of common stock under stock plans	91,390	$ 6	91,384
Repurchase of common stock (in shares)		(1,215)
Repurchase of common stock	(51,036)	$ (2)		(51,034)
Stock-based compensation expense	32,076		32,076
Payment of dividends	(28,554)			(28,554)
Net income	106,841			106,841
Net unrealized gain (loss) on available-for-sale investments, net of tax	6,282				6,282
Reclassification of credit (recovery) loss on investments	(75)
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(3,591)				(3,591)
Foreign currency translation adjustment	$ (3,364)				(3,364)
Ending Balance (in shares) at Sep. 27, 2020	174,663	174,633
Ending Balance at Sep. 27, 2020	$ 1,505,829	$ 349	762,832	780,521	(37,873)
Beginning Balance (in shares) at Jun. 28, 2020		173,047
Beginning Balance at Jun. 28, 2020	1,376,478	$ 346	710,412	702,597	(36,877)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under stock plans (in shares)		1,586
Issuance of common stock under stock plans	43,155	$ 3	43,152
Repurchase of common stock (in shares)		0
Repurchase of common stock	0	$ 0		0
Stock-based compensation expense	9,268		9,268
Payment of dividends	(9,582)			(9,582)
Net income	87,506			87,506
Net unrealized gain (loss) on available-for-sale investments, net of tax	(2,308)				(2,308)
Reclassification of credit (recovery) loss on investments	0
Reclassification of net realized (gain) loss on the sale of available-for-sale investments	(786)				(786)
Foreign currency translation adjustment	$ 2,098				2,098
Ending Balance (in shares) at Sep. 27, 2020	174,663	174,633
Ending Balance at Sep. 27, 2020	$ 1,505,829	$ 349	$ 762,832	$ 780,521	$ (37,873)

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Consolidated Statement of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Statement of Stockholders' Equity [Abstract]
Tax effect of unrealized gain (loss) on available-for-sale investments	$ 2,855	$ (5)	$ 1,067	$ 502

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 27, 2020

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

As permitted by the rules of the Securities and Exchange Commission applicable to Quarterly Reports on Form 10-Q, these notes are condensed and do not contain all disclosures required by generally accepted accounting principles (GAAP). As a result of the adoption of ASU 2016-13 "Measurement of Credit Losses on Financial Instruments," Cognex Corporation (the "Company") has provided new disclosures related to credit losses in this Quarterly Report on Form 10-Q. Reference should be made to the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 for a full description of other significant accounting policies.

In the opinion of the management of the Company, the accompanying consolidated unaudited financial statements contain all adjustments, consisting of normal, recurring adjustments, excess and obsolete inventory charges (Note 5), intangible asset impairment charges (Note 8), restructuring charges (Note 16), and financial statement reclassifications necessary to present fairly the Company’s financial position as of September 27, 2020, and the results of its operations for the three-month and nine-month periods ended September 27, 2020 and September 29, 2019, and changes in shareholders’ equity, comprehensive income, and cash flows for the periods presented.

The results disclosed in the Consolidated Statements of Operations for the three-month and nine-month periods ended September 27, 2020 are not necessarily indicative of the results to be expected for the full year.

Cash, Cash Equivalents, and Investments

Money market instruments, as well as certificates of deposit and debt securities with original maturities of three months or less, are classified as cash equivalents and are stated at amortized cost. Certificates of deposit and debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as current investments. Debt securities with remaining maturities greater than one year are classified as non-current investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax and credit losses, recorded in shareholders’ equity as other comprehensive income (loss). Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies. The carrying value of this investment has been reduced to zero, and therefore, distributions are recorded as investment income as they occur.

Management monitors the carrying value of its investments in debt securities compared to their fair value to determine whether a credit loss or other type of impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the decline has resulted from a credit loss or other factors. In assessing whether a credit loss exists, the Company compares the present value of the cash flows expected to be collected from the security with the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis of the security, then a credit loss exists and an allowance for credit losses is recorded. The allowance for credit losses is limited by the amount that the fair value is less than the amortized cost basis of the security. Credit losses on impaired securities continue to be measured in subsequent periods, using the present value of expected future cash flows, and changes in the expected credit losses are recorded in current operations. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statement of Operations. When developing an estimate of the expected credit losses, the Company considers all available information relevant to assessing the collectability of cash flows. This information includes internal and external factors, historical and current events, reasonable and supportable forecasts including management's expectations of future economic conditions, the type of security, the credit rating of the security, and the size of the loss position, as well as other relevant information.

An impairment is recognized as a write-down if (i) the Company has the intent to sell the security or (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis. If impairment is considered upon condition (i) or (ii) described above, the debt security's amortized cost basis is written-down to its fair value and the impairment is recognized in current operations. Subsequent increases in the fair value of the debt securities after the write-down are included in shareholders' equity as other comprehensive income. The differences between the new amortized cost basis and the cash flows expected to be collected are accreted as interest income.

Unrealized losses, that have not been recorded through an allowance for credit losses or write-down of the debt security, are recorded in shareholders' equity as other comprehensive loss, net of the applicable taxes.

Accounts Receivable

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

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New Pronouncements

9 Months Ended

Sep. 27, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

New Pronouncements

New Pronouncements

Accounting Standards Update (ASU) 2019-12, "Simplifying the Accounting for Income Taxes"

ASU 2019-12 applies to all entities within the scope of Topic 740, Income Taxes. The amendments in this ASU simplify the accounting for income taxes by removing the following exceptions: 1) exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; 2) exception to the requirement to recognize a deferred tax liability for equity method investments when a foreign subsidiary becomes an equity method investment; 3) exception to the ability not to recognize a deferred tax liability for a foreign subsidiary when a foreign equity method investment becomes a subsidiary; and 4) exception to the general methodology for calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The amendments in this ASU also simplify the accounting for income taxes by doing the following: 1) requiring that an entity recognize a franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax; 2) requiring that an entity evaluate when a step up in the tax basis of goodwill should be considered part of the business combination in which the book goodwill was originally recognized and when it should be considered a separate transaction; 3) specifying that an entity is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and 4) requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that included the enacted date. The amendments in this ASU are effective for public companies for annual periods, and interim periods within those annual periods, beginning after December 15, 2020. Early adoption is permitted; however, an entity that elects to early adopt the amendments must adopt all the amendments in the same period. The amendments in this ASU related to separate financial statements of legal entities that are not subject to tax should be applied on a retrospective basis for all periods presented. The amendments related to changes in ownership of foreign equity method investments or foreign subsidiaries should be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. The amendments related to franchise taxes that are partially based on income should be applied on either a retrospective basis for all periods presented or a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. All other amendments should be applied on a prospective basis. Management does not expect ASU 2019-12 to have a material impact on the Company's consolidated financial statements and disclosures.

Accounting Standards Update (ASU) 2020-04, "Reference Rate Reform (Topic 848)"

The amendments in this ASU apply to all entities that have contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying generally accepted accounting principles (GAAP) to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments in this ASU are effective for all entities as of March 12, 2020 through December 31, 2022. Management does not expect ASU 2020-04 to have a material impact on the Company's consolidated financial statements and disclosures.

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Fair Value Measurements

9 Months Ended

Sep. 27, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

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

The following table summarizes the financial assets and liabilities required to be measured at fair value on a recurring basis as of September 27, 2020 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
Assets:
Money market instruments	$	3,926	$	—	$	—
Treasury bills	—		270,091		—
Corporate bonds	—		259,887		—
Asset-backed securities	—		129,543		—
Agency bonds	—		28,274		—
Sovereign bonds	—		24,496		—
Municipal bonds	—		2,417		—
Economic hedge forward contracts	—		313		—
Liabilities:
Economic hedge forward contracts	—		121		—
Contingent consideration liabilities	—		—		—

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

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

The Company recorded no gross credit losses or gross credit recoveries on debt securities for the three-month period ended September 27, 2020, and $160,000 and $85,000, respectively, for the nine-month period ended September 27, 2020. No credit losses or recoveries on debt securities were recorded for the three-month or nine-month periods ended September 29, 2019. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statements of Operations.

The Company's contingent consideration liabilities are reported at fair value based upon probability-adjusted present values of the consideration expected to be paid using significant inputs that are not observable in the market, and are therefore classified as Level 3. Key assumptions used in these estimates include probability assessments with respect to the likelihood of achieving certain revenue milestones. The fair values of these contingent consideration liabilities were calculated using discount rates consistent with the level of risk of achievement, and are remeasured each reporting period.

The fair value of the contingent consideration liability related to the Company's acquisition of Chiaro Technologies, LLC was $1,153,000 as of December 31, 2019. During the second quarter of 2020, the Company paid out $1,039,000 based upon the revenue levels achieved, with the remaining $114,000 recorded as a fair value adjustment in "Other income (expense)" on the Consolidated Statements of Operations.

The fair value of the contingent consideration liability related to the Company's acquisition of GVi Ventures, Inc. was written down to zero as of December 31, 2019 resulting from a lower level of revenue in the Americas' automotive industry, and the balance remains at zero as of September 27, 2020. The undiscounted potential outcomes related to future contingent consideration range from $0 to $2,500,000 based upon certain revenue levels over the next two years.

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

Non-financial assets, such as property, plant and equipment, operating lease assets, goodwill, and intangible assets, are required to be measured at fair value only when an impairment loss is recognized. The Company evaluates these long-lived assets for impairment whenever events or changes in circumstances, referred to as "triggering events," indicate the carrying value may not be recoverable. Our business has been adversely and materially impacted by deteriorating global economic conditions resulting from the COVID-19 pandemic. These conditions triggered a review of long-lived assets for potential impairment as of May 26, 2020, which resulted in operating lease asset impairment charges of $2,534,000 in the second quarter of 2020 (refer to Notes 6 and 16) that are included in "Restructuring charges" on the Consolidated Statements of Operations, and intangible asset impairment charges of $19,571,000 in the second quarter of 2020 (refer to Note 8). These fair value measurements are based upon the present values of future cash flows using significant inputs that are not observable in the market, and are therefore classified as Level 3.

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Cash, Cash Equivalents, and Investments

9 Months Ended

Sep. 27, 2020

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents, and Investments

Cash, Cash Equivalents, and Investments

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

	September 27, 2020		December 31, 2019
Cash	$	294,430	$	155,498
Money market instruments	3,926		15,933
Cash and cash equivalents	298,356		171,431
Corporate bonds	43,436		65,624
Asset-backed securities	34,536		66,680
Sovereign bonds	16,086		6,294
Municipal bonds	1,307		4,630
Treasury bills	—		92,914
Certificate of deposit	—		4,328
Current investments	95,365		240,470
Treasury bills	270,091		216,334
Corporate bonds	216,451		146,474
Asset-backed securities	95,007		46,403
Agency bonds	28,274		5,914
Sovereign bonds	8,410		16,005
Municipal bonds	1,110		2,322
Non-current investments	619,343		433,452
	$	1,013,064	$	845,353

Asset-backed securities consist of debt securities collateralized by pools of receivables or loans with credit enhancement; corporate bonds consist of debt securities issued by both domestic and foreign companies; treasury bills consist of debt securities issued by the U.S. government; sovereign bonds consist of direct debt issued by foreign governments; municipal bonds consist of debt securities issued by state and local government entities; certificates of deposit are time deposits held by financial institutions with a fixed interest rate; and agency bonds consist of domestic or foreign obligations of government agencies and government-sponsored enterprises that have government backing. All securities are denominated in U.S. Dollars, with the exception of the certificate of deposit held as of December 31, 2019 that was denominated in Korean Won.

Accrued interest receivable is recorded in "Prepaid expenses and other current assets" on the Consolidated Balance Sheet and amounted to $1,912,000 and $2,874,000 as of September 27, 2020 and December 31, 2019, respectively.

On January 1, 2020, the Company adopted Accounting Standards Update (ASU) 2016-13, “Measurement of Credit Losses on Financial Instruments,” using the modified-retrospective approach, which requires the Company to apply the standard on a prospective basis with a cumulative-effect adjustment to retained earnings as of the beginning of the period in which the guidance is effective. The Company did not record an adjustment to retained earnings, as there were no debt securities with credit losses as of the adoption date.

The following table summarizes the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Current:
Corporate bonds	$	43,208	$	254	$	(26)	$	43,436
Asset-backed securities	34,277		259		—		34,536
Sovereign bonds	15,978		108		—		16,086
Municipal bonds	1,298		9		—		1,307
Non-current:
Treasury bills	268,071		2,030		(10)		270,091
Corporate bonds	213,850		2,717		(116)		216,451
Asset-backed securities	94,270		737		—		95,007
Agency bonds	28,193		81		—		28,274
Sovereign bonds	8,349		61		—		8,410
Municipal bonds	1,105		5		—		1,110
	$	708,599	$	6,261	$	(152)	$	714,708

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of September 27, 2020 (in thousands):

	Unrealized Loss Position For:
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Corporate bonds	$	42,058	$	(142)	$	—	$	—	$	42,058	$	(142)
Treasury bills	11,543		(10)		—		—		11,543		(10)
	$	53,601	$	(152)	$	—	$	—	$	53,601	$	(152)

The Company recorded no gross credit losses or gross credit recoveries on debt securities for the three-month period ended September 27, 2020, and $160,000 and $85,000, respectively, for the nine-month period ended September 27, 2020. No credit losses or recoveries on debt securities were recorded for the three-month or nine-month periods ended September 29, 2019. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statements of Operations.

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	—
Increases to the allowance for credit losses	160
Decreases to the allowance for credit losses	(85)
Write-offs	—
Balance as of September 27, 2020	$	75

The Company recorded gross realized gains and gross realized losses on the sale of debt securities totaling $787,000 and $1,000, respectively, for the three-month period ended September 27, 2020, and $361,000 and $67,000, respectively, for the three-month period ended September 29, 2019. The Company recorded gross realized gains and gross realized losses on the sale of debt securities totaling $3,613,000 and $22,000, respectively, for the nine-month period ended September 27, 2020, and $818,000 and $103,000, respectively, for the nine-month period ended September 29, 2019. These gains and losses are included in "Investment income" on the Consolidated Statements of Operations. Prior to the sale of these securities, unrealized gains and losses for these debt securities, net of tax, are recorded in shareholders’ equity as accumulated other comprehensive loss.

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	<1 year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		Total
Treasury bills	$	—	$	167,677	$	98,353	$	4,061	$	—	$	270,091
Corporate bonds	43,436		86,619		126,966		2,866		—		259,887
Asset-backed securities	34,536		45,513		45,457		52		3,985		129,543
Agency bonds	—		5,933		22,341		—		—		28,274
Sovereign bonds	16,086		4,973		3,437		—		—		24,496
Municipal bonds	1,307		1,110		—		—		—		2,417
	$	95,365	$	311,825	$	296,554	$	6,979	$	3,985	$	714,708

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Inventories

9 Months Ended

Sep. 27, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following (in thousands):

	September 27, 2020		December 31, 2019
Raw materials	$	25,021	$	27,285
Work-in-process	3,666		5,503
Finished goods	25,173		27,473
	$	53,860	$	60,261

The Company recorded provisions for excess and obsolete inventories of $9,386,000 for the nine-month period ended September 27, 2020, which reduced the carrying value of the inventories to their net realizable value. Charges of $7,718,000 were recorded in the second quarter of 2020 due to lower projected sales of excess inventories as a result of deteriorating global economic conditions from the COVID-19 pandemic.

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Leases

9 Months Ended

Sep. 27, 2020

Leases [Abstract]

Leases

Leases

The Company's leases are primarily leased properties across different worldwide locations where the Company conducts its operations. All of these leases are classified as operating leases. Certain leases may contain options to extend or terminate the lease at the Company's sole discretion. There were no options to extend or terminate that were included in the determination of the lease term for the leases outstanding as of September 27, 2020. Certain leases contain leasehold improvement incentives, retirement obligations, escalating clauses, rent holidays, and variable payments tied to a consumer price index. There were no restrictions or covenants for the leases outstanding as of September 27, 2020.

The total operating lease expense for the three-month periods ended September 27, 2020 and September 29, 2019 was $2,047,000 and $1,749,000, respectively. The total operating lease cash payments for the three-month periods ended September 27, 2020 and September 29, 2019 were $2,041,000 and $1,708,000, respectively. The total lease expense for leases with a term of twelve months or less for which the Company elected not to recognize a lease asset or lease liability was $22,000 for both of the three-month periods ended September 27, 2020 and September 29, 2019.

The total operating lease expense for the nine-month periods ended September 27, 2020 and September 29, 2019 was $6,100,000 and $4,976,000, respectively. The total operating lease cash payments for the nine-month periods ended September 27, 2020 and September 29, 2019 were $5,995,000 and $4,778,000, respectively. The total lease expense for leases with a term of twelve months or less for which the Company elected not to recognize a lease asset or lease liability was $84,000 and $255,000 for the nine-month periods ended September 27, 2020 and September 29, 2019, respectively.

Future operating lease cash payments are as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	2,228
2021	8,641
2022	6,363
2023	5,080
2024	2,445
2025	1,359
Thereafter	4,641
	$	30,757

The discounted present value of the future lease cash payments resulted in a lease liability of $27,916,000 and $17,973,000 as of September 27, 2020 and December 31, 2019, respectively. The Company did not have any leases that had not yet commenced but that created significant rights and obligations as of September 27, 2020 or September 29, 2019.

The weighted-average discount rate was 4.1% and 4.6% for the leases outstanding as of September 27, 2020 and December 31, 2019, respectively. The weighted-average remaining lease term was 5.2 and 3.7 years for the leases outstanding as of September 27, 2020 and December 31, 2019, respectively.

As part of the Company's restructuring plan (refer to Note 16), management closed ten leased offices as of the end of the second quarter of 2020, prior to the end of their lease terms. The carrying value of the lease assets associated with these ten offices was reduced to zero, resulting in operating lease asset impairment charges of $2,534,000 in the second quarter of 2020 that are included in "Restructuring charges" on the Consolidated Statements of Operations. Management is currently negotiating early contract terminations for the remaining lease liability obligations associated with these abandoned offices.

The Company owns a building adjacent to its corporate headquarters that was partially occupied by a tenant for a portion of the current year. This lease was terminated prior to the end of its lease term during the second quarter of 2020. Rental income was $0 and $76,000 for the three-month periods ended September 27, 2020 and September 29, 2019, respectively, and $77,000 and $234,000 for the nine-month periods ended September 27, 2020 and September 29, 2019, respectively. The Company is now fully occupying this building for its operations.

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Goodwill (Notes)

9 Months Ended

Sep. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

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

Balance as of December 31, 2019	$	243,445
Foreign exchange rate changes	(316)
Balance as of September 27, 2020	$	243,129

The adverse impact of the COVID-19 pandemic on our business triggered a review of long-lived assets, including goodwill, for potential impairment during the second quarter of 2020. Based upon this assessment, management concluded that the reporting unit fair value was not less than its carrying value, and therefore no goodwill impairment charge was recognized for the three-month and nine-month periods ended September 27, 2020. Factors that management considered in this assessment included macroeconomic conditions, industry and market conditions, overall financial performance (both current and projected), changes in management or strategy, changes in the composition or carrying value of net assets, and market capitalization.

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Intangible Assets

9 Months Ended

Sep. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

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

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	21,917		11,678		10,239
Customer relationships	10,578		6,980		3,598
In-process technologies	2,300		—		2,300
Non-compete agreements	710		422		288
Trademarks	110		53		57
Balance as of September 27, 2020	$	73,675	$	57,193	$	16,482
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	31,987		9,160		22,827
Customer relationships	14,407		6,402		8,005
In-process technologies	8,200		—		8,200
Non-compete agreements	710		350		360
Trademarks	110		12		98
Balance as of December 31, 2019	$	93,474	$	53,984	$	39,490

The adverse impact of the COVID-19 pandemic on our business triggered a review of long-lived assets, including intangible assets, for potential impairment during the second quarter of 2020. For finite-lived intangible assets that are subject to amortization, the Company follows a two-step process for impairment testing. In step one, known as the recoverability test, the carrying value of the asset is compared to the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset. If the sum of the undiscounted future cash flows is less than the carrying value, the asset is not recoverable and step two is performed. In step two, the impairment charge is measured as the amount by which the carrying value of the asset exceeds its fair value. For indefinite-lived intangible assets that are not subject to amortization, the fair value of the asset is measured and an impairment charge is recorded as the amount by which the carrying value of the asset exceeds its fair value.

Based upon this assessment, management concluded that certain of the Company's finite-lived intangible assets failed the recoverability test, and recorded impairment charges for these assets equal to the amount by which their carrying value exceeded their fair value. The Company also measured the fair value and recorded an impairment charge for its indefinite-lived intangible asset related to in-process technologies. The fair values were established, with the assistance of an outside valuation advisor, using the income approach based upon a discounted cash flow model that estimated future revenue streams and expenses attributable to those revenue streams provided by management.

This review resulted in intangible asset impairment charges totaling $19,571,000 in the second quarter of 2020, primarily related to lower projected cash flows from the technologies and customer relationships acquired from Sualab Co. Ltd. ("Sualab") as a result of the deteriorating global economic conditions from the COVID-19 pandemic. Completed technologies, in-process technologies, and customer relationships acquired from Sualab were impaired in the amounts of $10,070,000, $5,900,000, and $3,382,000, respectively. In addition, customer relationships acquired from EnShape GmbH that had a gross carrying value of $447,000 and accumulated amortization of $228,000 on the measurement date were reduced to zero, resulting in an impairment charge of $219,000.

As of September 27, 2020, estimated future amortization expense related to intangible assets was as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	831
2021	3,272
2022	2,902
2023	2,211
2024	1,697
2025	1,374
Thereafter	1,895
	$	14,182

In-process technology is an indefinite-lived intangible asset until the technology is finalized, at which point it is amortized over its estimated useful life.

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Warranty Obligations

9 Months Ended

Sep. 27, 2020

Product Warranties Disclosures [Abstract]

Warranty Obligations

Warranty Obligations

The Company records the estimated cost of fulfilling product warranties at the time of sale based upon historical costs to fulfill claims. Obligations may also be recorded subsequent to the time of sale whenever specific events or changes in circumstances impacting product quality become known that would not have been taken into account using historical data. While we engage in extensive product quality programs and processes, including actively monitoring and evaluating the quality of our component suppliers and third-party contract manufacturers, the Company’s warranty obligation is affected by product failure rates, material usage, and service delivery costs incurred in correcting a product failure. An adverse change in any of these factors may result in the need for additional warranty provisions. Warranty obligations are included in “Accrued expenses” on the Consolidated Balance Sheets.

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

Balance as of December 31, 2019	$	4,713
Provisions for warranties issued during the period	2,671
Fulfillment of warranty obligations	(1,798)
Balance as of September 27, 2020	$	5,586

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Derivative Instruments

9 Months Ended

Sep. 27, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

The Company’s foreign currency risk management strategy is principally designed to mitigate the potential financial impact of changes in the value of transactions and balances denominated in foreign currencies resulting from changes in foreign currency exchange rates. Currently, the Company enters into economic hedges to manage this risk. The economic hedges utilize foreign currency forward contracts with maturities of up to 45 days to manage the exposure to fluctuations in foreign currency exchange rates arising primarily from foreign-denominated receivables and payables. The gains and losses on these derivatives are intended to be offset by the changes in the fair value of the assets and liabilities being hedged. These economic hedges are not designated as hedging instruments for hedge accounting treatment.

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

	September 27, 2020			December 31, 2019
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Not Designated as Hedging Instruments:
Euro	66,500	$	77,643	18,000	$	20,249
Korean Won	14,840,000	12,695		161,951,500	139,688
Mexican Peso	165,000	7,324		80,000	4,223
Japanese Yen	450,000	4,259		575,000	5,291
Hungarian Forint	1,305,000	4,174		870,000	2,962
British Pound	2,000	2,543		2,700	3,569
Taiwanese Dollar	41,675	1,430		37,450	1,256
Canadian Dollar	1,430	1,066		1,300	1,000
Singapore Dollar	1,310	951		845	628

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

	Asset Derivatives					Liability Derivatives
	Balance	Fair Value				Balance	Fair Value
	Sheet Location	September 27, 2020		December 31, 2019		Sheet Location	September 27, 2020		December 31, 2019
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	313	$	857	Accrued expenses	$	121	$	23

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

Asset Derivatives					Liability Derivatives
	September 27, 2020		December 31, 2019			September 27, 2020		December 31, 2019
Gross amounts of recognized assets	$	313	$	857	Gross amounts of recognized liabilities	$	121	$	23
Gross amounts offset	—		—		Gross amounts offset	—		—
Net amount of assets presented	$	313	$	857	Net amount of liabilities presented	$	121	$	23

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

	Location in Financial Statements	Three-months Ended				Nine-months Ended
		September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	(1,521)	$	469	$	(9,701)	$	535

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Revenue Recognition

9 Months Ended

Sep. 27, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The following table summarizes disaggregated revenue information by geographic area based upon the customer's country of domicile (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Americas	$	86,482	$	64,983	$	215,696	$	207,161
Europe	60,189		61,092		144,758		180,251
Greater China	77,292		30,624		135,593		89,256
Other Asia	27,110		26,626		91,358		79,188
	$	251,073	$	183,325	$	587,405	$	555,856

The following table summarizes disaggregated revenue information by revenue type (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Standard products and services	$	174,797	$	139,887	$	486,458	$	473,610
Application-specific customer solutions	76,276		43,438		100,947		82,246
	$	251,073	$	183,325	$	587,405	$	555,856

Costs to Fulfill a Contract

Costs to fulfill a contract are included in "Prepaid expenses and other current assets" on the Consolidated Balance Sheet and amounted to $12,708,000 and $3,963,000 as of September 27, 2020 and December 31, 2019, respectively.

Accounts Receivable, Contract Assets, and Contract Liabilities

Accounts receivable represent amounts billed and currently due from customers which are reported at their net estimated realizable value. The Company maintains an allowance against its accounts receivable for potential credit losses. Contract assets consist of unbilled revenue which arises when revenue is recognized in advance of billing for certain application-specific customer solutions contracts. Contract liabilities consist of deferred revenue and customer deposits which arise when amounts are billed to or collected from customers in advance of revenue recognition.

On January 1, 2020, the Company adopted Accounting Standards Update (ASU) 2016-13, “Measurement of Credit Losses on Financial Instruments,” using the modified-retrospective approach, which requires the Company to apply the standard on a prospective basis with a cumulative-effect adjustment to retained earnings as of the beginning of the period in which the guidance is effective. The Company did not record an adjustment to retained earnings as this ASU did not have a material impact on the Company's consolidated allowance for credit losses.

The Company recorded credit losses on accounts receivable of $0 and $600,000 for the three-month and nine-month periods ended September 27, 2020, respectively. The Company recorded credit losses on accounts receivable of $125,000 and $215,000 for the three-month and nine-month periods ended September 29, 2019. The Company's estimate of expected credit losses takes into account the deteriorating global economic conditions from the COVID-19 pandemic.

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	530
Increases to the allowance for credit losses	600
Write-offs	(217)
Balance as of September 27, 2020	$	913

The following table summarizes the deferred revenue and customer deposits activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	14,432
Increases to deferred revenue and customer deposits	93,830
Recognition of revenue	(75,023)
Foreign exchange rate changes	478
Balance as of September 27, 2020	$	33,717

As a practical expedient, the Company has elected not to disclose the aggregate amount of the transaction price allocated to unsatisfied performance obligations, as our contracts have an original expected duration of less than one year.

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Stock-Based Compensation Expense

9 Months Ended

Sep. 27, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

Stock-Based Compensation Expense

Stock Plans

The Company’s stock-based awards that result in compensation expense consist of stock options and restricted stock units ("RSUs"). As of September 27, 2020, the Company had 16,450,000 shares available for grant under its stock plans. Stock options are granted with an exercise price equal to the market value of the Company’s common stock at the grant date and generally vest over four or five years based upon continuous service and expire ten years from the grant date. RSUs generally vest upon three years of continuous employment or incrementally over such three-year period. Participants are not entitled to dividends on RSUs.

Stock Options

The following table summarizes the Company’s stock option activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2019	12,899	$	37.95
Granted	975	51.58
Exercised	(3,408)	26.82
Forfeited or expired	(529)	50.34
Outstanding as of September 27, 2020	9,937	$	42.45	7.03	$	191,245
Exercisable as of September 27, 2020	3,807	$	33.58	5.83	$	107,040
Options vested or expected to vest as of September 27, 2020 (1)	9,125	$	41.73	6.92	$	182,232

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

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Risk-free rate	—	%	2.7	%	1.6	%	2.7	%
Expected dividend yield	—	%	0.39	%	0.43	%	0.39	%
Expected volatility	—	%	37	%	37	%	37	%
Expected term (in years)	—		5.1		6.0		5.2

No stock options were granted during the three-month period ended September 27, 2020.

Risk-free rate

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

Expected dividend yield

Generally, the current dividend yield is calculated by annualizing the cash dividend declared by the Company’s Board of Directors and dividing that result by the closing stock price on the grant date. 

Expected volatility

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

Expected term

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

There were no stock options granted during the three-month period ended September 27, 2020. The weighted-average grant-date fair values of stock options granted during the three-month period ended September 29, 2019 was $18.42. The weighted-average grant-date fair values of stock options granted during the nine-month periods ended September 27, 2020 and September 29, 2019 were $18.52 and $18.58, respectively.

The total intrinsic values of stock options exercised for the three-month periods ended September 27, 2020 and September 29, 2019 were $62,787,000 and $5,746,000, respectively. The total intrinsic values of stock options exercised for the nine-month periods ended September 27, 2020 and September 29, 2019 were $116,600,000 and $42,545,000, respectively. The total fair values of stock options vested for the three-month periods ended September 27, 2020 and September 29, 2019 were $1,331,000 and $1,213,000, respectively. The total fair values of stock options vested for the nine-month periods ended September 27, 2020 and September 29, 2019 were $39,282,000 and $32,072,000, respectively.

Restricted Stock Units (RSUs)

The following table summarizes the Company's RSUs activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2019	150	$	48.63
Granted	438	51.73
Vested	—	—
Forfeited or expired	(34)	50.60
Nonvested as of September 27, 2020	554	$	50.96

The weighted-average grant-date fair values of RSUs granted during the three-month periods ended September 27, 2020 and September 29, 2019 were $67.14 and $45.20, respectively. The weighted-average grant-date fair values of RSUs granted during the nine-month periods ended September 27, 2020 and September 29, 2019 were $51.73 and $45.20, respectively. There were no RSUs that vested during the three-month and nine-month periods ended September 27, 2020 and September 29, 2019.

Stock-Based Compensation Expense

The Company stratifies its employee population into two groups: one consisting of senior management and another consisting of all other employees. The Company currently applies an estimated annual forfeiture rate of 7% to all stock-based awards for senior management and a rate of 12% for all other employees. Each year during the first quarter, the Company revises its forfeiture rate. This resulted in an increase to compensation expense of $1,787,000 in 2020 and a decrease to compensation expense of $499,000 in 2019.

As of September 27, 2020, total unrecognized compensation expense related to non-vested equity awards, including stock options and RSUs, was $56,150,000, which is expected to be recognized over a weighted-average period of 1.8 years.

The total stock-based compensation expense and the related income tax benefit recognized for the three-month period ended September 27, 2020 were $9,268,000 and $1,524,000, respectively, and for the three-month period ended September 29, 2019 were $10,194,000 and $1,804,000, respectively. The total stock-based compensation expense and the related income tax benefit recognized for the nine-month period ended September 27, 2020 were $32,076,000, which includes credits of $1,401,000 relating to grants cancelled as a result of the Company's workforce reduction, and $5,365,000, respectively, and for the nine-month period ended September 29, 2019 were $33,442,000 and $5,839,000, respectively. No compensation expense was capitalized as of September 27, 2020 or December 31, 2019.

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Cost of revenue	$	324	$	334	$	1,041	$	1,114
Research, development, and engineering	2,815		3,616		10,582		11,633
Selling, general, and administrative	6,129		6,244		20,453		20,695
	$	9,268	$	10,194	$	32,076	$	33,442

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Stock Repurchase Program	9 Months Ended
	Sep. 27, 2020
Equity [Abstract]
Stock Repurchase Program	Stock Repurchase ProgramIn October 2018, the Company's Board of Directors authorized the repurchase of $200,000,000 of the Company's common stock. As of September 27, 2020, the Company repurchased 2,816,000 shares at a cost of $121,348,000 under this program, including 1,215,000 shares at a cost of $51,036,000 during the nine-month period ended September 27, 2020, leaving a remaining balance of $78,652,000. No shares were repurchased during the three-month period ended September 27, 2020. On March 12, 2020, the Company's Board of Directors authorized the repurchase of an additional $200,000,000 of the Company's common stock. Purchases under this March 2020 program will commence upon completion of the October 2018 program. The Company may repurchase shares under these programs in future periods depending upon a variety of factors, including, among other things, the impact of dilution from employee equity awards, stock price, share availability, and cash requirements. The Company is authorized to make repurchases of its common stock through open market purchases, pursuant to Rule 10b5-1 trading plans, or in privately negotiated transactions.

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Taxes

9 Months Ended

Sep. 29, 2019

Income Tax Disclosure [Abstract]

Income Taxes

Taxes

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Income tax expense at U.S. federal statutory corporate tax rate	21	%	21	%	21	%	21	%
State income taxes, net of federal benefit	1	%	1	%	1	%	1	%
Foreign tax rate differential	(5)	%	(7)	%	(5)	%	(7)	%
Tax credit	(1)	%	(1)	%	(1)	%	(1)	%
Discrete tax benefit related to stock options	(4)	%	(1)	%	(9)	%	(3)	%
Discrete tax expense (benefit) related to tax return filings	—	%	(3)	%	3	%	(1)	%
Other	2	%	2	%	2	%	2	%
Income tax expense	14	%	12	%	12	%	12	%

The Company is tax resident in numerous jurisdictions around the world and has identified its major tax jurisdictions as the United States, Ireland, and China. The statutory tax rate is 12.5% in Ireland and 25% in China, compared to the U.S. federal statutory corporate tax rate of 21%. These differences resulted in a favorable impact to the effective tax rate of 5 percentage points for both the three-month and nine-month periods ended September 27, 2020, and 7 percentage points for the same periods in 2019. Management has determined that earnings from its legal entity in China will be indefinitely reinvested to provide local funding for growth, and that earnings from all other jurisdictions will not be indefinitely reinvested.

The Company recorded discrete tax benefits arising from the difference between the deduction for tax purposes and the compensation cost recognized for financial reporting purposes from stock exercises that resulted in a favorable impact to the effective tax rate of 4 and 9 percentage points for the three-month and nine-month periods ended September 27, 2020, respectively, and 1 and 3 percentage points for the same periods in 2019. In addition, the Company recorded other discrete tax items primarily related to the final true-up of the prior year tax accrual upon

filing the related tax return that resulted in an unfavorable impact to the effective tax rate of 3 percentage points for the nine-month period ended September 27, 2020, and a favorable impact to the effective tax rate of 3 and 1 percentage points for the three-month and nine-month periods ended September 29, 2019, respectively.

Excluding the impact of these discrete items, the Company’s effective tax rate was 18% of pre-tax income for the three-month and nine-month periods ended September 27, 2020, respectively, compared to 16% for the same periods in 2019. The increase in the effective tax rate, excluding the impact of discrete items, was due to more of the Company's profits being earned and taxed in higher tax jurisdictions.

During the nine-month period ended September 27, 2020, the Company recorded a $198,000 decrease in reserves for income taxes, net of deferred tax benefit. Estimated interest and penalties included in these amounts totaled $212,000 for the nine-month period ended September 27, 2020.

The Company’s reserve for income taxes, including gross interest and penalties, was $12,353,000 as of September 27, 2020, which included $11,325,000 classified as a non-current liability and $1,028,000 recorded as an increase to a non-current deferred tax liability. The amount of gross interest and penalties included in these balances was $1,192,000. If the Company’s tax positions were sustained or the statutes of limitations related to certain positions expired, these reserves would be released and income tax expense would be reduced in a future period.

The Company has defined its major tax jurisdictions as the United States, Ireland, and China, and within the United States, Massachusetts. Within the United States, the tax years 2017 through 2019 remain open to examination by the Internal Revenue Service ("IRS") and various state tax authorities. The tax years 2016 through 2019 remain open to examination by various taxing authorities in other jurisdictions in which the Company operates. The Company has recently been notified that it is under audit by the IRS for the tax year 2017. Management believes the Company is adequately reserved for this audit.

The Company has filed its U.S. federal tax return in the fourth quarter of 2020 for tax year 2019, and as a result, is expected to record a discrete tax benefit in excess of $12,000,000 in the fourth quarter. This benefit was the result of new regulations issued by the IRS relating to the use of foreign tax credits as allowable to reduce the tax associated with foreign operations under Global Intangible Low-Taxed Income (“GILTI”). These credits were generated from taxes paid relating to the acquisition of Sualab in October 2019.

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Weighted-Average Shares

9 Months Ended

Sep. 27, 2020

Earnings Per Share [Abstract]

Weighted-Average Shares

Weighted-Average Shares

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

	Three-months Ended		Nine-months Ended
	September 27, 2020	September 29, 2019	September 27, 2020	September 29, 2019
Basic weighted-average common shares outstanding	173,943	170,744	172,881	171,053
Effect of dilutive equity awards	3,195	3,705	3,157	4,111
Weighted-average common and common-equivalent shares outstanding	177,138	174,449	176,038	175,164

Stock options to purchase 1,416,000 and 5,540,000 shares of common stock, on a weighted-average basis, were outstanding during the three-month and nine-month periods ended September 27, 2020, respectively, and 6,078,000 and 5,695,000 for the same periods in 2019, but were not included in the calculation of dilutive net income per share because they were anti-dilutive. Restricted stock units totaling 3,000 and 2,000 shares of common stock, on a weighted-average basis, were outstanding during the three-month and nine-month periods ended September 27, 2020, respectively, but were not included in the calculation of dilutive net income per share because they were anti-dilutive. There were no anti-dilutive restricted stock units outstanding, on a weighted-average basis, during the three-month and nine-month periods ended September 29, 2019.

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Restructuring Charges

9 Months Ended

Sep. 27, 2020

Restructuring and Related Activities [Abstract]

Restructuring Charges

Restructuring Charges

On May 26, 2020, the Company's Board of Directors approved a restructuring plan intended to reduce the Company's operating costs, optimize its business model, and address the impact of the COVID-19 pandemic. The restructuring plan included a global workforce reduction of approximately 8% and office closures.

The Company estimates the total restructuring charges from these actions to be approximately $15,388,000, of which $14,798,000 was recorded in the second quarter and $251,000 was recorded in the third quarter of 2020 and are included in “Restructuring charges” on the Consolidated Statements of Operations. The remaining charges are expected to be recognized during the fourth quarter of 2020.

The following table summarizes the restructuring charges (in thousands):

	Total Amount Expected to be Incurred		Incurred in the Three-months Ended September 27, 2020		Incurred in the Nine-months Ended September 27, 2020
One-time termination benefits	$	10,503	$	(36)	$	10,350
Contract termination costs	4,099		104		4,099
Other associated costs	786		183		600
	$	15,388	$	251	$	15,049

One-time termination benefits include severance, health insurance, and outplacement services for 181 employees who were either terminated during the second quarter of 2020, or were notified during the second quarter of 2020 that they would be terminated at a future date. For employees not required to render service beyond a minimum retention period, the one-time termination benefits were recognized in the second quarter of 2020. Otherwise, these benefits, including retention bonuses for selected employees, are being recognized over the service period, which is not expected to exceed the fourth quarter of 2020.

Contract termination costs include remaining lease liability obligations and operating lease asset impairments for offices closed prior to the end of the contractual lease term. These costs also include the write-off of leasehold improvements and other equipment related to these abandoned offices that had no alternative use. These contract termination costs were primarily recognized in the second quarter of 2020 when the Company ceased using the property for economic benefit. Other associated costs primarily include legal fees related to the employee termination actions, which are being recognized when the services are performed.

The following table summarizes the activity in the Company’s restructuring reserve, which is included in “Accrued expenses” on the Consolidated Balance Sheets (in thousands):

	One-time Termination Benefits		Contract Termination Costs		Other Associated Costs		Total
Balance as of December 31, 2019	$	—	$	—	$	—	$	—
Restructuring charges	11,117		3,995		600		15,712
Cash payments	(8,133)		(230)		(412)		(8,775)
Non-cash restructuring charges	—		(3,145)		—		(3,145)
Restructuring adjustments	(767)		104		—		(663)
Foreign exchange rate changes	158		13		17		188
Balance as of September 27, 2020	$	2,375	$	737	$	205	$	3,317

Restructuring adjustments related to one-time termination benefits consisted primarily of the favorable true-up of severance estimates based on final agreements and health insurance estimates based on employee elections. Adjustments related to contract termination costs consisted primarily of lease early termination fees.

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Subsequent Events	9 Months Ended
	Sep. 27, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn October 28, 2020, the Company’s Board of Directors declared a cash dividend of $0.06 per share. The dividend is payable on November 27, 2020 to all shareholders of record as of the close of business on November 13, 2020.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 27, 2020

Accounting Policies [Abstract]

Cash, Cash Equivalents, and Investments

Cash, Cash Equivalents, and Investments

Money market instruments, as well as certificates of deposit and debt securities with original maturities of three months or less, are classified as cash equivalents and are stated at amortized cost. Certificates of deposit and debt securities with original maturities greater than three months and remaining maturities of one year or less are classified as current investments. Debt securities with remaining maturities greater than one year are classified as non-current investments. It is the Company’s policy to invest in debt securities with effective maturities that do not exceed ten years.

Debt securities with original maturities greater than three months are designated as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax and credit losses, recorded in shareholders’ equity as other comprehensive income (loss). Realized gains and losses are included in current operations, along with the amortization of the discount or premium on debt securities arising at acquisition, and are calculated using the specific identification method. The Company’s limited partnership interest is accounted for using the cost method because the Company’s investment is less than 5% of the partnership and the Company has no influence over the partnership’s operating and financial policies. The carrying value of this investment has been reduced to zero, and therefore, distributions are recorded as investment income as they occur.

Management monitors the carrying value of its investments in debt securities compared to their fair value to determine whether a credit loss or other type of impairment has occurred. If the fair value of a debt security is less than its amortized cost, the Company assesses whether the decline has resulted from a credit loss or other factors. In assessing whether a credit loss exists, the Company compares the present value of the cash flows expected to be collected from the security with the amortized cost basis of the security. If the present value of the cash flows expected to be collected is less than the amortized cost basis of the security, then a credit loss exists and an allowance for credit losses is recorded. The allowance for credit losses is limited by the amount that the fair value is less than the amortized cost basis of the security. Credit losses on impaired securities continue to be measured in subsequent periods, using the present value of expected future cash flows, and changes in the expected credit losses are recorded in current operations. Credit losses and recoveries are included in "Other income (expense)" on the Consolidated Statement of Operations. When developing an estimate of the expected credit losses, the Company considers all available information relevant to assessing the collectability of cash flows. This information includes internal and external factors, historical and current events, reasonable and supportable forecasts including management's expectations of future economic conditions, the type of security, the credit rating of the security, and the size of the loss position, as well as other relevant information.

An impairment is recognized as a write-down if (i) the Company has the intent to sell the security or (ii) it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis. If impairment is considered upon condition (i) or (ii) described above, the debt security's amortized cost basis is written-down to its fair value and the impairment is recognized in current operations. Subsequent increases in the fair value of the debt securities after the write-down are included in shareholders' equity as other comprehensive income. The differences between the new amortized cost basis and the cash flows expected to be collected are accreted as interest income.

Unrealized losses, that have not been recorded through an allowance for credit losses or write-down of the debt security, are recorded in shareholders' equity as other comprehensive loss, net of the applicable taxes.

Accounts Receivable

Accounts Receivable

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

New Pronouncements

New Pronouncements

Accounting Standards Update (ASU) 2019-12, "Simplifying the Accounting for Income Taxes"

ASU 2019-12 applies to all entities within the scope of Topic 740, Income Taxes. The amendments in this ASU simplify the accounting for income taxes by removing the following exceptions: 1) exception to the incremental approach for intraperiod tax allocation when there is a loss from continuing operations and income or a gain from other items; 2) exception to the requirement to recognize a deferred tax liability for equity method investments when a foreign subsidiary becomes an equity method investment; 3) exception to the ability not to recognize a deferred tax liability for a foreign subsidiary when a foreign equity method investment becomes a subsidiary; and 4) exception to the general methodology for calculating income taxes in an interim period when a year-to-date loss exceeds the anticipated loss for the year. The amendments in this ASU also simplify the accounting for income taxes by doing the following: 1) requiring that an entity recognize a franchise tax that is partially based on income as an income-based tax and account for any incremental amount incurred as a non-income-based tax; 2) requiring that an entity evaluate when a step up in the tax basis of goodwill should be considered part of the business combination in which the book goodwill was originally recognized and when it should be considered a separate transaction; 3) specifying that an entity is not required to allocate the consolidated amount of current and deferred tax expense to a legal entity that is not subject to tax in its separate financial statements; and 4) requiring that an entity reflect the effect of an enacted change in tax laws or rates in the annual effective tax rate computation in the interim period that included the enacted date. The amendments in this ASU are effective for public companies for annual periods, and interim periods within those annual periods, beginning after December 15, 2020. Early adoption is permitted; however, an entity that elects to early adopt the amendments must adopt all the amendments in the same period. The amendments in this ASU related to separate financial statements of legal entities that are not subject to tax should be applied on a retrospective basis for all periods presented. The amendments related to changes in ownership of foreign equity method investments or foreign subsidiaries should be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. The amendments related to franchise taxes that are partially based on income should be applied on either a retrospective basis for all periods presented or a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. All other amendments should be applied on a prospective basis. Management does not expect ASU 2019-12 to have a material impact on the Company's consolidated financial statements and disclosures.

Accounting Standards Update (ASU) 2020-04, "Reference Rate Reform (Topic 848)"

The amendments in this ASU apply to all entities that have contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying generally accepted accounting principles (GAAP) to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments in this ASU are effective for all entities as of March 12, 2020 through December 31, 2022. Management does not expect ASU 2020-04 to have a material impact on the Company's consolidated financial statements and disclosures.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 27, 2020

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table summarizes the financial assets and liabilities required to be measured at fair value on a recurring basis as of September 27, 2020 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
Assets:
Money market instruments	$	3,926	$	—	$	—
Treasury bills	—		270,091		—
Corporate bonds	—		259,887		—
Asset-backed securities	—		129,543		—
Agency bonds	—		28,274		—
Sovereign bonds	—		24,496		—
Municipal bonds	—		2,417		—
Economic hedge forward contracts	—		313		—
Liabilities:
Economic hedge forward contracts	—		121		—
Contingent consideration liabilities	—		—		—

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The fair value of the contingent consideration liability related to the Company's acquisition of GVi Ventures, Inc. was written down to zero as of December 31, 2019 resulting from a lower level of revenue in the Americas' automotive industry, and the balance remains at zero as of September 27, 2020. The undiscounted potential outcomes related to future contingent consideration range from $0 to $2,500,000 based upon certain revenue levels over the next two years.

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Cash, Cash Equivalents, and Investments (Tables)

9 Months Ended

Sep. 27, 2020

Cash and Cash Equivalents [Abstract]

Components of Cash, Cash Equivalents, and Investments

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

	September 27, 2020		December 31, 2019
Cash	$	294,430	$	155,498
Money market instruments	3,926		15,933
Cash and cash equivalents	298,356		171,431
Corporate bonds	43,436		65,624
Asset-backed securities	34,536		66,680
Sovereign bonds	16,086		6,294
Municipal bonds	1,307		4,630
Treasury bills	—		92,914
Certificate of deposit	—		4,328
Current investments	95,365		240,470
Treasury bills	270,091		216,334
Corporate bonds	216,451		146,474
Asset-backed securities	95,007		46,403
Agency bonds	28,274		5,914
Sovereign bonds	8,410		16,005
Municipal bonds	1,110		2,322
Non-current investments	619,343		433,452
	$	1,013,064	$	845,353

Summary of Available-for-Sale Investments

The following table summarizes the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Current:
Corporate bonds	$	43,208	$	254	$	(26)	$	43,436
Asset-backed securities	34,277		259		—		34,536
Sovereign bonds	15,978		108		—		16,086
Municipal bonds	1,298		9		—		1,307
Non-current:
Treasury bills	268,071		2,030		(10)		270,091
Corporate bonds	213,850		2,717		(116)		216,451
Asset-backed securities	94,270		737		—		95,007
Agency bonds	28,193		81		—		28,274
Sovereign bonds	8,349		61		—		8,410
Municipal bonds	1,105		5		—		1,110
	$	708,599	$	6,261	$	(152)	$	714,708

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

The following table summarizes the Company’s gross unrealized losses and fair values for available-for-sale investments in an unrealized loss position as of September 27, 2020 (in thousands):

	Unrealized Loss Position For:
	Less than 12 Months				12 Months or Greater				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Corporate bonds	$	42,058	$	(142)	$	—	$	—	$	42,058	$	(142)
Treasury bills	11,543		(10)		—		—		11,543		(10)
	$	53,601	$	(152)	$	—	$	—	$	53,601	$	(152)

Schedule of Allowance for Credit Loss Activity

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	—
Increases to the allowance for credit losses	160
Decreases to the allowance for credit losses	(85)
Write-offs	—
Balance as of September 27, 2020	$	75

Effective Maturity Dates of Available-for-Sale Investments

The following table presents the effective maturity dates of the Company’s available-for-sale investments as of September 27, 2020 (in thousands):

	<1 year		1-2 Years		2-3 Years		3-4 Years		4-5 Years		Total
Treasury bills	$	—	$	167,677	$	98,353	$	4,061	$	—	$	270,091
Corporate bonds	43,436		86,619		126,966		2,866		—		259,887
Asset-backed securities	34,536		45,513		45,457		52		3,985		129,543
Agency bonds	—		5,933		22,341		—		—		28,274
Sovereign bonds	16,086		4,973		3,437		—		—		24,496
Municipal bonds	1,307		1,110		—		—		—		2,417
	$	95,365	$	311,825	$	296,554	$	6,979	$	3,985	$	714,708

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Inventories (Tables)

9 Months Ended

Sep. 27, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	September 27, 2020		December 31, 2019
Raw materials	$	25,021	$	27,285
Work-in-process	3,666		5,503
Finished goods	25,173		27,473
	$	53,860	$	60,261

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Leases (Tables)

9 Months Ended

Sep. 27, 2020

Leases [Abstract]

Lessee, Operating Lease, Liability, Maturity

Future operating lease cash payments are as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	2,228
2021	8,641
2022	6,363
2023	5,080
2024	2,445
2025	1,359
Thereafter	4,641
	$	30,757

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Goodwill (Tables)

9 Months Ended

Sep. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

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

Balance as of December 31, 2019	$	243,445
Foreign exchange rate changes	(316)
Balance as of September 27, 2020	$	243,129

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Intangible Assets (Tables)

9 Months Ended

Sep. 27, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

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

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	21,917		11,678		10,239
Customer relationships	10,578		6,980		3,598
In-process technologies	2,300		—		2,300
Non-compete agreements	710		422		288
Trademarks	110		53		57
Balance as of September 27, 2020	$	73,675	$	57,193	$	16,482
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	31,987		9,160		22,827
Customer relationships	14,407		6,402		8,005
In-process technologies	8,200		—		8,200
Non-compete agreements	710		350		360
Trademarks	110		12		98
Balance as of December 31, 2019	$	93,474	$	53,984	$	39,490

Schedule of Intangible Assets, Future Amortization Expense

As of September 27, 2020, estimated future amortization expense related to intangible assets was as follows (in thousands):

Year Ended December 31,	Amount
Remainder of fiscal 2020	$	831
2021	3,272
2022	2,902
2023	2,211
2024	1,697
2025	1,374
Thereafter	1,895
	$	14,182

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Warranty Obligations (Tables)

9 Months Ended

Sep. 27, 2020

Product Warranties Disclosures [Abstract]

Changes in Warranty Obligations

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

Balance as of December 31, 2019	$	4,713
Provisions for warranties issued during the period	2,671
Fulfillment of warranty obligations	(1,798)
Balance as of September 27, 2020	$	5,586

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Derivative Instruments (Tables)

9 Months Ended

Sep. 27, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Outstanding Forward Contracts Table

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

	September 27, 2020			December 31, 2019
Currency	Notional Value	USD Equivalent		Notional Value	USD Equivalent
Derivatives Not Designated as Hedging Instruments:
Euro	66,500	$	77,643	18,000	$	20,249
Korean Won	14,840,000	12,695		161,951,500	139,688
Mexican Peso	165,000	7,324		80,000	4,223
Japanese Yen	450,000	4,259		575,000	5,291
Hungarian Forint	1,305,000	4,174		870,000	2,962
British Pound	2,000	2,543		2,700	3,569
Taiwanese Dollar	41,675	1,430		37,450	1,256
Canadian Dollar	1,430	1,066		1,300	1,000
Singapore Dollar	1,310	951		845	628

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

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

	Asset Derivatives					Liability Derivatives
	Balance	Fair Value				Balance	Fair Value
	Sheet Location	September 27, 2020		December 31, 2019		Sheet Location	September 27, 2020		December 31, 2019
Derivatives Not Designated as Hedging Instruments:
Economic hedge forward contracts	Prepaid expenses and other current assets	$	313	$	857	Accrued expenses	$	121	$	23

Offsetting Assets

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

Asset Derivatives					Liability Derivatives
	September 27, 2020		December 31, 2019			September 27, 2020		December 31, 2019
Gross amounts of recognized assets	$	313	$	857	Gross amounts of recognized liabilities	$	121	$	23
Gross amounts offset	—		—		Gross amounts offset	—		—
Net amount of assets presented	$	313	$	857	Net amount of liabilities presented	$	121	$	23

Derivative Instruments, Gain (Loss)

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

	Location in Financial Statements	Three-months Ended				Nine-months Ended
		September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Derivatives Not Designated as Hedging Instruments:
Gains (losses) recognized in current operations	Foreign currency gain (loss)	$	(1,521)	$	469	$	(9,701)	$	535

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Revenue Recognition (Tables)

9 Months Ended

Sep. 27, 2020

Revenue from Contract with Customer [Abstract]

Revenue from External Customers by Geographic Areas

The following table summarizes disaggregated revenue information by geographic area based upon the customer's country of domicile (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Americas	$	86,482	$	64,983	$	215,696	$	207,161
Europe	60,189		61,092		144,758		180,251
Greater China	77,292		30,624		135,593		89,256
Other Asia	27,110		26,626		91,358		79,188
	$	251,073	$	183,325	$	587,405	$	555,856

Revenue from External Customers by Products and Services

The following table summarizes disaggregated revenue information by revenue type (in thousands):

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Standard products and services	$	174,797	$	139,887	$	486,458	$	473,610
Application-specific customer solutions	76,276		43,438		100,947		82,246
	$	251,073	$	183,325	$	587,405	$	555,856

Schedule of Allowance for Credit Loss Activity

The following table summarizes the allowance for credit losses activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	530
Increases to the allowance for credit losses	600
Write-offs	(217)
Balance as of September 27, 2020	$	913

Deferred Revenue, by Arrangement, Disclosure

The following table summarizes the deferred revenue and customer deposits activity for the nine-month period ended September 27, 2020 (in thousands):

Balance as of December 31, 2019	$	14,432
Increases to deferred revenue and customer deposits	93,830
Recognition of revenue	(75,023)
Foreign exchange rate changes	478
Balance as of September 27, 2020	$	33,717

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Stock-Based Compensation Expense (Tables)

9 Months Ended

Sep. 27, 2020

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity

The following table summarizes the Company’s stock option activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2019	12,899	$	37.95
Granted	975	51.58
Exercised	(3,408)	26.82
Forfeited or expired	(529)	50.34
Outstanding as of September 27, 2020	9,937	$	42.45	7.03	$	191,245
Exercisable as of September 27, 2020	3,807	$	33.58	5.83	$	107,040
Options vested or expected to vest as of September 27, 2020 (1)	9,125	$	41.73	6.92	$	182,232

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

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

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Risk-free rate	—	%	2.7	%	1.6	%	2.7	%
Expected dividend yield	—	%	0.39	%	0.43	%	0.39	%
Expected volatility	—	%	37	%	37	%	37	%
Expected term (in years)	—		5.1		6.0		5.2

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Cost of revenue	$	324	$	334	$	1,041	$	1,114
Research, development, and engineering	2,815		3,616		10,582		11,633
Selling, general, and administrative	6,129		6,244		20,453		20,695
	$	9,268	$	10,194	$	32,076	$	33,442

Schedule of Nonvested Restricted Stock Units Activity

The following table summarizes the Company's RSUs activity for the nine-month period ended September 27, 2020:

	Shares (in thousands)	Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2019	150	$	48.63
Granted	438	51.73
Vested	—	—
Forfeited or expired	(34)	50.60
Nonvested as of September 27, 2020	554	$	50.96

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Income Taxes (Tables)

9 Months Ended

Sep. 27, 2020

Income Tax Disclosure [Abstract]

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

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

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Income tax expense at U.S. federal statutory corporate tax rate	21	%	21	%	21	%	21	%
State income taxes, net of federal benefit	1	%	1	%	1	%	1	%
Foreign tax rate differential	(5)	%	(7)	%	(5)	%	(7)	%
Tax credit	(1)	%	(1)	%	(1)	%	(1)	%
Discrete tax benefit related to stock options	(4)	%	(1)	%	(9)	%	(3)	%
Discrete tax expense (benefit) related to tax return filings	—	%	(3)	%	3	%	(1)	%
Other	2	%	2	%	2	%	2	%
Income tax expense	14	%	12	%	12	%	12	%

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Weighted-Average Shares (Tables)

9 Months Ended

Sep. 27, 2020

Earnings Per Share [Abstract]

Calculation of Weighted-Average Shares

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

	Three-months Ended		Nine-months Ended
	September 27, 2020	September 29, 2019	September 27, 2020	September 29, 2019
Basic weighted-average common shares outstanding	173,943	170,744	172,881	171,053
Effect of dilutive equity awards	3,195	3,705	3,157	4,111
Weighted-average common and common-equivalent shares outstanding	177,138	174,449	176,038	175,164

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Restructuring Charges (Tables)

9 Months Ended

Sep. 27, 2020

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

The following table summarizes the restructuring charges (in thousands):

	Total Amount Expected to be Incurred		Incurred in the Three-months Ended September 27, 2020		Incurred in the Nine-months Ended September 27, 2020
One-time termination benefits	$	10,503	$	(36)	$	10,350
Contract termination costs	4,099		104		4,099
Other associated costs	786		183		600
	$	15,388	$	251	$	15,049

Schedule of Activity in Restructuring Reserve

The following table summarizes the activity in the Company’s restructuring reserve, which is included in “Accrued expenses” on the Consolidated Balance Sheets (in thousands):

	One-time Termination Benefits		Contract Termination Costs		Other Associated Costs		Total
Balance as of December 31, 2019	$	—	$	—	$	—	$	—
Restructuring charges	11,117		3,995		600		15,712
Cash payments	(8,133)		(230)		(412)		(8,775)
Non-cash restructuring charges	—		(3,145)		—		(3,145)
Restructuring adjustments	(767)		104		—		(663)
Foreign exchange rate changes	158		13		17		188
Balance as of September 27, 2020	$	2,375	$	737	$	205	$	3,317

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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Assets:
Money market instruments	$ 3,926	$ 15,933
Financial assets at fair value	714,708
Corporate Bonds
Assets:
Financial assets at fair value	259,887
Treasury Bills
Assets:
Financial assets at fair value	270,091
Asset-Backed Securities
Assets:
Financial assets at fair value	129,543
Sovereign Bonds
Assets:
Financial assets at fair value	24,496
Agency Bonds
Assets:
Financial assets at fair value	28,274
Municipal Bonds
Assets:
Financial assets at fair value	2,417
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring
Assets:
Money market instruments	3,926
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring
Assets:
Money market instruments	0
Economic hedge forward contracts	313
Liabilities:
Economic hedge forward contracts	121
Contingent consideration liabilities	0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Corporate Bonds
Assets:
Financial assets at fair value	259,887
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Treasury Bills
Assets:
Financial assets at fair value	270,091
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Asset-Backed Securities
Assets:
Financial assets at fair value	129,543
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Sovereign Bonds
Assets:
Financial assets at fair value	24,496
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Agency Bonds
Assets:
Financial assets at fair value	28,274
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Municipal Bonds
Assets:
Financial assets at fair value	2,417
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Liabilities:
Contingent consideration liabilities	$ 0	$ 1,153

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Fair Value Measurements (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability	$ 0			$ 0		$ 0
Payment of contingent consideration		$ 1,039,000		1,039,000	$ 0
Operating lease asset impairment charges		2,534,000		2,534,000	0
Intangible asset impairment charges	0	19,571,000	$ 0	19,571,000	0
Gross credit losses recorded	0		0	160,000	0
Gross recoveries	0		$ 0	85,000	$ 0
Other Income (Expense)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value adjustment		114,000
Restructuring Charges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Operating lease asset impairment charges		$ 2,534,000
Chiaro Technologies LLC [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability						$ 1,153,000
GVi Ventures, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	2,500,000			2,500,000
Minimum | GVi Ventures, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low	$ 0			$ 0

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Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Cash and Cash Equivalents [Line Items]
Gross realized gains on sale of investments	$ 787	$ 361	$ 3,613	$ 818
Gross realized losses on sale of investments	1	$ 67	22	$ 103
Other Current Assets
Cash and Cash Equivalents [Line Items]
Accrued interest receivable	$ 1,912		$ 1,912		$ 2,874

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Cash, Cash Equivalents, and Investments - Components of Cash, Cash Equivalents, and Investments (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Cash	$ 294,430	$ 155,498
Money market instruments	3,926	15,933
Cash and cash equivalents	298,356	171,431
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	95,365	240,470
Non-current investments, amortized cost of $613,838 and $431,633 in 2020 and 2019, respectively, allowance for expected credit losses of $75 and $0 in 2020 and 2019, respectively	619,343	433,452
Total	1,013,064	845,353
Treasury Bills
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	0	92,914
Long-term investments	270,091	216,334
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	43,436	65,624
Long-term investments	216,451	146,474
Asset-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	34,536	66,680
Long-term investments	95,007	46,403
Certificate of deposit
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	0	4,328
Sovereign Bonds
Debt Securities, Available-for-sale [Line Items]
Long-term investments	8,410	16,005
Agency Bonds
Debt Securities, Available-for-sale [Line Items]
Long-term investments	28,274	5,914
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	1,307	4,630
Long-term investments	1,110	2,322
Sovereign bonds
Debt Securities, Available-for-sale [Line Items]
Current investments, amortized cost of $94,761 and $235,610 in 2020 and 2019, respectively, allowance for expected credit losses of $0 in 2020 and 2019	$ 16,086	$ 6,294

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Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Details) $ in Thousands	Sep. 27, 2020 USD ($)
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 708,599
Gross unrealized gains	6,261
Gross unrealized losses	(152)
Fair value	714,708
Agency Bonds
Debt Securities, Available-for-sale [Line Items]
Fair value	28,274
Agency Bonds | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	28,193
Gross unrealized gains	81
Gross unrealized losses	0
Fair value	28,274
Treasury Bills
Debt Securities, Available-for-sale [Line Items]
Fair value	270,091
Treasury Bills | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	268,071
Gross unrealized gains	2,030
Gross unrealized losses	(10)
Fair value	270,091
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Fair value	259,887
Corporate Bonds | Short-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	43,208
Gross unrealized gains	254
Gross unrealized losses	(26)
Fair value	43,436
Corporate Bonds | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	213,850
Gross unrealized gains	2,717
Gross unrealized losses	(116)
Fair value	216,451
Asset-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Fair value	129,543
Asset-Backed Securities | Short-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	34,277
Gross unrealized gains	259
Gross unrealized losses	0
Fair value	34,536
Asset-Backed Securities | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	94,270
Gross unrealized gains	737
Gross unrealized losses	0
Fair value	95,007
Sovereign Bonds
Debt Securities, Available-for-sale [Line Items]
Fair value	24,496
Sovereign Bonds | Short-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	15,978
Gross unrealized gains	108
Gross unrealized losses	0
Fair value	16,086
Sovereign Bonds | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	8,349
Gross unrealized gains	61
Gross unrealized losses	0
Fair value	8,410
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Fair value	2,417
Municipal Bonds | Short-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	1,298
Gross unrealized gains	9
Gross unrealized losses	0
Fair value	1,307
Municipal Bonds | Long-Term Investments
Debt Securities, Available-for-sale [Line Items]
Amortized cost	1,105
Gross unrealized gains	5
Gross unrealized losses	0
Fair value	$ 1,110

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Cash, Cash Equivalents, and Investments - Gross Unrealized Losses and Fair Values for Available-for-Sale Investments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Debt Securities, Available-for-sale [Line Items]
Fair value, less than 12 months	$ 53,601,000		$ 53,601,000
Unrealized losses, less than 12 months	(152,000)		(152,000)
Fair value, 12 months or greater	0		0
Unrealized losses, 12 months or greater	0		0
Total fair value	53,601,000		53,601,000
Total Unrealized Losses	(152,000)		(152,000)
Gross credit losses recorded	0	$ 0	160,000	$ 0
Gross recoveries	0	$ 0	85,000	$ 0
Treasury Bills
Debt Securities, Available-for-sale [Line Items]
Fair value, less than 12 months	11,543,000		11,543,000
Unrealized losses, less than 12 months	(10,000)		(10,000)
Fair value, 12 months or greater	0		0
Unrealized losses, 12 months or greater	0		0
Total fair value	11,543,000		11,543,000
Total Unrealized Losses	(10,000)		(10,000)
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Fair value, less than 12 months	42,058,000		42,058,000
Unrealized losses, less than 12 months	(142,000)		(142,000)
Fair value, 12 months or greater	0		0
Unrealized losses, 12 months or greater	0		0
Total fair value	42,058,000		42,058,000
Total Unrealized Losses	$ (142,000)		$ (142,000)

XML

Cash, Cash Equivalents, and Investments Cash, Cash Equivalents, and Investments - Schedule of Allowance for Credit Loss Activity (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2019			$ 0
Increases to the allowance for credit losses	$ 0	$ 0	160,000	$ 0
Decreases to the allowance for credit losses	0	$ 0	(85,000)	$ 0
Write-offs			0
Balance as of September 27, 2020	$ 75,000		$ 75,000

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Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Details) $ in Thousands	Sep. 27, 2020 USD ($)
Debt Securities, Available-for-sale [Line Items]
1 year or less	$ 95,365
1-2 years	311,825
2-3 years	296,554
3-4 years	6,979
4-5 years	3,985
Fair value	714,708
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
1 year or less	43,436
1-2 years	86,619
2-3 years	126,966
3-4 years	2,866
4-5 years	0
Fair value	259,887
Treasury Bills
Debt Securities, Available-for-sale [Line Items]
1 year or less	0
1-2 years	167,677
2-3 years	98,353
3-4 years	4,061
4-5 years	0
Fair value	270,091
Asset-Backed Securities
Debt Securities, Available-for-sale [Line Items]
1 year or less	34,536
1-2 years	45,513
2-3 years	45,457
3-4 years	52
4-5 years	3,985
Fair value	129,543
Sovereign Bonds
Debt Securities, Available-for-sale [Line Items]
1 year or less	16,086
1-2 years	4,973
2-3 years	3,437
3-4 years	0
4-5 years	0
Fair value	24,496
Agency Bonds
Debt Securities, Available-for-sale [Line Items]
1 year or less	0
1-2 years	5,933
2-3 years	22,341
3-4 years	0
4-5 years	0
Fair value	28,274
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
1 year or less	1,307
1-2 years	1,110
2-3 years	0
3-4 years	0
4-5 years	0
Fair value	$ 2,417

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Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 25,021	$ 27,285
Work-in-process	3,666	5,503
Finished goods	25,173	27,473
Inventories	$ 53,860	$ 60,261

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Inventories - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 28, 2020	Sep. 27, 2020	Sep. 29, 2019
Inventory Disclosure [Abstract]
Excess and obsolete inventory charges	$ 7,718	$ 9,386	$ 4,121

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Leases - Narrative (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Liability	$ 27,916,000			$ 27,916,000		$ 17,973,000
Operating lease, right-of-use asset	24,942,000			24,942,000		17,522,000
Operating lease, liability, current	7,863,000			7,863,000		5,647,000
Operating lease, liability, noncurrent	20,053,000			20,053,000		$ 12,326,000
Operating lease, cost	2,047,000		$ 1,749,000	6,100,000	$ 4,976,000
Operating lease, payments	2,041,000		1,708,000	5,995,000	4,778,000
Lease, cost	$ 22,000		22,000	$ 84,000	255,000
Weighted average discount rate	4.10%			4.10%		4.60%
Weighted average remaining lease term	5 years 2 months 12 days			5 years 2 months 12 days		3 years 8 months 12 days
Operating lease asset impairment charges		$ 2,534,000		$ 2,534,000	0
Carrying value operating lease right-of-use assets impaired		$ 0
Rental income	$ 0		$ 76,000	$ 77,000	$ 234,000

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Leases - Future Minimum Lease Payment Obligations Under Operating Leases (Details) $ in Thousands	Sep. 27, 2020 USD ($)
Leases [Abstract]
Remainder of fiscal 2019	$ 2,228
2021	8,641
2022	6,363
2023	5,080
2024	2,445
2025	1,359
Thereafter	4,641
Total	$ 30,757

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Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($)
Goodwill [Roll Forward]
Balance as of December 31, 2019	$ 243,445
Foreign exchange rate changes	(316)
Balance as of December 31, 2019	$ 243,129

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Intangible Assets (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	May 26, 2020	Dec. 31, 2019
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	$ 73,675,000			$ 73,675,000			$ 93,474,000
Accumulated Amortization	57,193,000			57,193,000			53,984,000
Net Carrying Value	16,482,000			16,482,000			39,490,000
Intangible asset impairment charges	0	$ 19,571,000	$ 0	19,571,000	$ 0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	16,482,000			16,482,000			39,490,000
Distribution networks
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	38,060,000			38,060,000			38,060,000
Accumulated Amortization	38,060,000			38,060,000			38,060,000
Net Carrying Value	0			0			0
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	0			0			0
Completed technologies
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	21,917,000			21,917,000			31,987,000
Accumulated Amortization	11,678,000			11,678,000			9,160,000
Net Carrying Value	10,239,000			10,239,000			22,827,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	10,239,000			10,239,000			22,827,000
Completed technologies | Sualab [Member]
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Intangible asset impairment charges		10,070,000
Customer relationships
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	10,578,000			10,578,000			14,407,000
Accumulated Amortization	6,980,000			6,980,000			6,402,000
Net Carrying Value	3,598,000			3,598,000			8,005,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	3,598,000			3,598,000			8,005,000
Customer relationships | Sualab [Member]
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Intangible asset impairment charges		3,382,000
Customer relationships | EnShape GmbH [Member]
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Accumulated Amortization						$ 228,000
Intangible asset impairment charges		219,000
Intangible assets acquired		0				$ 447,000
In-process technologies
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	2,300,000			2,300,000			8,200,000
Accumulated Amortization	0			0			0
Net Carrying Value	2,300,000			2,300,000			8,200,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	2,300,000			2,300,000			8,200,000
In-process technologies | Sualab [Member]
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Intangible asset impairment charges		$ 5,900,000
Non-compete agreements
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	710,000			710,000			710,000
Accumulated Amortization	422,000			422,000			350,000
Net Carrying Value	288,000			288,000			360,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	288,000			288,000			360,000
Trademarks
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Gross Carrying Value	110,000			110,000			110,000
Accumulated Amortization	53,000			53,000			12,000
Net Carrying Value	57,000			57,000			98,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	57,000			57,000			$ 98,000
Indefinite-lived intangible asset excluding in-process technologies
Distribution Rights, Developed Technology Rights, Customer Contracts And Relationships, Other Intangible Assets, And Trademarks
Net Carrying Value	14,182,000			14,182,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remainder of fiscal 2020	831,000			831,000
2021	3,272,000			3,272,000
2022	2,902,000			2,902,000
2023	2,211,000			2,211,000
2024	1,697,000			1,697,000
2025	1,374,000			1,374,000
Thereafter	1,895,000			1,895,000
Net Carrying Value	$ 14,182,000			$ 14,182,000

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Warranty Obligations - Changes in Warranty Obligations (Detail) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning balance	$ 4,713
Provisions for warranties issued during the period	2,671
Fulfillment of warranty obligations	(1,798)
Ending balance	$ 5,586

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Derivative Instruments (Details)	9 Months Ended
	Sep. 27, 2020
Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Remaining maturity of foreign currency derivatives (up to)	45 days

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Derivative Instruments - Outstanding Forward Contracts Table (Details) - Not Designated as Hedging Instrument € in Thousands, ₩ in Thousands, ¥ in Thousands, £ in Thousands, Ft in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	Sep. 27, 2020 EUR (€)	Sep. 27, 2020 USD ($)	Sep. 27, 2020 KRW (₩)	Sep. 27, 2020 MXN ($)	Sep. 27, 2020 JPY (¥)	Sep. 27, 2020 HUF (Ft)	Sep. 27, 2020 GBP (£)	Sep. 27, 2020 TWD ($)	Sep. 27, 2020 CAD ($)	Sep. 27, 2020 SGD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 KRW (₩)	Dec. 31, 2019 MXN ($)	Dec. 31, 2019 JPY (¥)	Dec. 31, 2019 HUF (Ft)	Dec. 31, 2019 GBP (£)	Dec. 31, 2019 TWD ($)	Dec. 31, 2019 CAD ($)	Dec. 31, 2019 SGD ($)
Euro Member Countries, Euro
Derivative [Line Items]
Outstanding forward contracts	€ 66,500	$ 77,643									€ 18,000	$ 20,249
Japanese Yen
Derivative [Line Items]
Outstanding forward contracts		4,259			¥ 450,000							5,291			¥ 575,000
Mexico, Pesos
Derivative [Line Items]
Outstanding forward contracts		7,324		$ 165,000								4,223		$ 80,000
United Kingdom, Pounds
Derivative [Line Items]
Outstanding forward contracts		2,543					£ 2,000					3,569					£ 2,700
Hungary, Forint
Derivative [Line Items]
Outstanding forward contracts		4,174				Ft 1,305,000						2,962				Ft 870,000
Korean Won
Derivative [Line Items]
Outstanding forward contracts		12,695	₩ 14,840,000									139,688	₩ 161,951,500
Taiwanese Dollar
Derivative [Line Items]
Outstanding forward contracts		1,430						$ 41,675				1,256						$ 37,450
Canada, Dollars
Derivative [Line Items]
Outstanding forward contracts		1,066							$ 1,430			1,000							$ 1,300
Singapore, Dollars
Derivative [Line Items]
Outstanding forward contracts		$ 951								$ 1,310		$ 628								$ 845

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Derivative Instruments - Schedule of Derivative Instruments in Statement of Financial Position, Fair Value (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Derivative asset	$ 313	$ 857
Derivative liability	121	23
Not Designated as Hedging Instrument | Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative asset	313	857
Not Designated as Hedging Instrument | Accrued Expenses
Derivatives, Fair Value [Line Items]
Derivative liability	$ 121	$ 23

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Derivative Instruments - Offsetting Assets (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross amounts of recognized assets	$ 313	$ 857
Gross amounts offset	0	0
Net amount of assets presented	313	857
Gross amounts of recognized liabilities	121	23
Gross amounts offset	0	0
Net amount of liabilities presented	$ 121	$ 23

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Derivative Instruments - Derivative Instruments, Gain (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Not Designated as Hedging Instrument | Foreign Currency Gain (Loss)
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in current operations	$ (1,521)	$ 469	$ (9,701)	$ 535

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Revenue Recognition - Revenue Disaggregated by Geography (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 251,073	$ 183,325	$ 587,405	$ 555,856
Americas
Disaggregation of Revenue [Line Items]
Revenue	86,482	64,983	215,696	207,161
Europe
Disaggregation of Revenue [Line Items]
Revenue	60,189	61,092	144,758	180,251
Greater China
Disaggregation of Revenue [Line Items]
Revenue	77,292	30,624	135,593	89,256
Other Asia
Disaggregation of Revenue [Line Items]
Revenue	$ 27,110	$ 26,626	$ 91,358	$ 79,188

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Revenue Recognition - Revenue Disaggregated by Products and Services (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Revenue from External Customer [Line Items]
Revenue	$ 251,073	$ 183,325	$ 587,405	$ 555,856
Standard Products and Services
Revenue from External Customer [Line Items]
Revenue	174,797	139,887	486,458	473,610
Application-Specific Customer Solutions
Revenue from External Customer [Line Items]
Revenue	$ 76,276	$ 43,438	$ 100,947	$ 82,246

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Revenue Recognition - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Costs to fulfill contract	$ 12,708		$ 12,708		$ 3,963
Credit losses on accounts receivable	$ 0	$ 125	$ 600	$ 215

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Revenue Recognition - Schedule of Allowance for Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance as of December 31, 2019			$ 530
Increases to the allowance for credit losses	$ 0	$ 125	600	$ 215
Write-offs			(217)
Balance as of September 27, 2020	$ 913		$ 913

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Revenue Recognition - Deferred Revenue Activity (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($)
Movement in Deferred Revenue [Roll Forward]
Balance as of December 31, 2019	$ 14,432
Increases to deferred revenue and customer deposits	93,830
Recognition of revenue	(75,023)
Foreign exchange rate changes	478
Balance as of September 27, 2020	$ 33,717

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Stock-Based Compensation Expense (Details)	3 Months Ended		9 Months Ended
	Sep. 27, 2020 USD ($) group $ / shares shares	Sep. 29, 2019 USD ($) $ / shares shares	Sep. 27, 2020 USD ($) group $ / shares shares	Sep. 29, 2019 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair values, in dollars per share | $ / shares		$ 18.42	$ 18.52	$ 18.58
Total intrinsic value	$ 62,787,000	$ 5,746,000	$ 116,600,000	$ 42,545,000
Total fair values of stock options vest	$ 1,331,000	1,213,000	$ 39,282,000	$ 32,072,000
Vested (in shares) | shares				0
Groups within the employee population | group	2		2
Estimated annual forfeiture rate for unvested options for senior management	7.00%		7.00%
Estimated annual forfeiture rate for unvested options for all other employees	12.00%		12.00%
Increase (decrease) to compensation expense			$ 1,787,000	$ 499,000
Unrecognized compensation expense	$ 56,150,000		$ 56,150,000
Weighted average period to be recognized			1 year 9 months 18 days
Stock-based compensation expense	9,268,000	10,194,000	$ 32,076,000	33,442,000
Tax benefit from compensation expense	1,524,000	$ 1,804,000	5,365,000	$ 5,839,000
Recognized period costs capitalized	$ 0		0		$ 0
Share-based Payment Arrangement, Noncash Expense			$ 1,401,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under stock option plans (in shares) | shares	16,450,000		16,450,000
Expiration period from grant day			10 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans			3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share) | $ / shares	$ 67.14	$ 45.20	$ 51.73	$ 45.20
Vested (in shares) | shares	0	0	0	0
Granted (in shares) | shares			438,000
Minimum | General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans			4 years
Maximum | General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans			5 years

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Stock-Based Compensation Expense - Summary of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 27, 2020 USD ($) $ / shares shares	Sep. 27, 2020 USD ($) $ / shares shares
Shares (in thousands)
Outstanding, shares | shares		12,899
Granted, shares | shares	0	975
Exercised, shares | shares		(3,408)
Forfeited or expired, shares | shares		(529)
Outstanding, shares | shares	9,937	9,937
Exercisable as of reporting date, shares | shares	3,807	3,807
Options vested or expected to vest as of reporting date, shares | shares	9,125	9,125
Weighted- Average Exercise Price
Outstanding, shares | $ / shares		$ 37.95
Granted, in dollars per share | $ / shares		51.58
Exercised, in dollars per share | $ / shares		26.82
Forfeited or expired, in dollars per share | $ / shares		50.34
Outstanding, shares | $ / shares	$ 42.45	42.45
Exercisable as of reporting date, Weighted-Average Exercise Price, in dollars per share | $ / shares	33.58	33.58
Weighted- Average Remaining Contractual Term (in years) | $ / shares	$ 41.73	$ 41.73
Weighted- Average Remaining Contractual Term (in years)
Outstanding, in years		7 years 10 days
Exercisable, in years		5 years 9 months 29 days
Options vested or expected to vest, in years		6 years 11 months 1 day
Aggregate Intrinsic Value (in thousands)
Outstanding, in dollars | $	$ 191,245	$ 191,245
Exercisable, in dollars | $	107,040	107,040
Options vested or expected to vest, in dollars | $	$ 182,232	$ 182,232

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Stock-Based Compensation Expense - Weighted-Average Assumptions Used in Estimating Fair Values of Stock Options Granted (Details)	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Share-based Payment Arrangement [Abstract]
Risk-free rate	0.00%	2.70%	1.60%	2.70%
Expected dividend yield	0.00%	0.39%	0.43%	0.39%
Expected volatility	0.00%	37.00%	37.00%	37.00%
Expected term (in years)		5 years 1 month 6 days	6 years	5 years 2 months 12 days

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Stock-Based Compensation Expense Stock-Based Compensation Expense - Schedule of Restricted Stock Units (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Shares (in thousands)
Vested (in shares)				0
Restricted Stock Units (RSUs)
Shares (in thousands)
Nonvested as of December 31, 2019 (in shares)			150,000
Granted (in shares)			438,000
Vested (in shares)	0	0	0	0
Forfeited or expired (in shares)			(34,000)
Nonvested as of March 29, 2020 (in shares)	554,000		554,000
Weighted-Average Grant Date Fair Value
Nonvested as of December 31, 2019 (in dollars per share)			$ 48.63
Granted (in dollars per share)	$ 67.14	$ 45.20	51.73	$ 45.20
Vested (in dollars per share)			0
Forfeited or expired (in dollars per share)			50.60
Nonvested as of March 29, 2020 (in dollars per share)	$ 50.96		$ 50.96

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Stock-Based Compensation Expense - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 9,268	$ 10,194	$ 32,076	$ 33,442
Cost of Revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	324	334	1,041	1,114
Research, Development, and Engineering Expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	2,815	3,616	10,582	11,633
Selling, General, and Administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 6,129	$ 6,244	$ 20,453	$ 20,695

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Stock Repurchase Program (Details) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Mar. 12, 2020	Oct. 29, 2018
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period, value	$ 0	$ 0	$ 51,036,000	$ 61,690,000
Remaining authorized repurchase amount	$ 78,652,000		$ 78,652,000
Repurchase Program October 2018
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased						$ 200,000,000
Repurchase of common stock (in shares)			2,816
Stock repurchased during period, value			$ 121,348,000
Shares repurchased at cost (in shares)			1,215
Shares repurchased at cost			$ 51,036,000
Repurchase Program March 2020
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased					$ 200,000,000

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Income Taxes - Reconciliation of United States Federal Statutory Corporate Tax Rate to Company's Effective Tax Rate, or Income Tax Provision (Details)	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Income Tax Disclosure [Abstract]
Income tax expense at U.S. federal statutory corporate tax rate	21.00%	21.00%	21.00%	21.00%
State income taxes, net of federal benefit	1.00%	1.00%	1.00%	1.00%
Foreign tax rate differential	(5.00%)	(7.00%)	(5.00%)	(7.00%)
Tax credit	(1.00%)	(1.00%)	(1.00%)	(1.00%)
Discrete tax benefit related to stock options	(4.00%)	(1.00%)	(9.00%)	(3.00%)
Discrete tax expense (benefit) related to tax return filings	0.00%	(3.00%)	3.00%	(1.00%)
Other	2.00%	2.00%	2.00%	2.00%
Income tax expense	14.00%	12.00%	12.00%	12.00%

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Income tax expense at U.S. federal statutory corporate tax rate	21.00%	21.00%	21.00%	21.00%
Decrease in effective tax rate	5.00%	7.00%	5.00%	7.00%
Discrete tax benefit related to stock options	4.00%	1.00%	9.00%	3.00%
Discrete tax expense (benefit) related to tax return filings	0.00%	(3.00%)	3.00%	(1.00%)
Effective tax rate excluding discrete items (as a percent)	18.00%	16.00%	18.00%	16.00%
Decrease in reserves for income taxes, net of deferred tax benefit			$ 198
Interest and penalties included in reserve			212
Liability for uncertain tax positions	$ 12,353		12,353
Reserve for income taxes classified as a noncurrent iability	11,325		11,325		$ 11,563
Increase to non-current deferred tax liability			1,028
Interest and penalties, gross	$ 1,192		$ 1,192
Tax years open to examination by Internal Revenue Service			2017 through 2019
Tax years open to examination by various taxing authorities for other entities			2016 through 2019
Foreign Tax Authority | Revenue Commissioners, Ireland
Income Tax Contingency [Line Items]
Income tax expense at U.S. federal statutory corporate tax rate			12.50%
Foreign Tax Authority | State Administration of Taxation, China
Income Tax Contingency [Line Items]
Income tax expense at U.S. federal statutory corporate tax rate			25.00%
Domestic Tax Authority
Income Tax Contingency [Line Items]
Income tax expense at U.S. federal statutory corporate tax rate			21.00%

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Weighted-Average Shares - Calculation of Weighted-Average Shares (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Earnings Per Share [Abstract]
Basic weighted-average common shares outstanding (in shares)	173,943	170,744	172,881	171,053
Effect of dilutive equity awards (in shares)	3,195	3,705	3,157	4,111
Weighted-average common and common-equivalent shares outstanding (in shares)	177,138	174,449	176,038	175,164

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Weighted-Average Shares (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (shares)	1,416,000	6,078,000	5,540,000	5,695,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (shares)	3,000		2,000

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Restructuring Charges - Narrative (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($) Employees	May 26, 2020
Restructuring and Related Activities [Abstract]
Workforce reduction (as a percent)		8.00%
Expected number of positions eliminated | Employees	181
Total Amount Expected to be Incurred | $	$ 15,388

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Restructuring Charges - Summary (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Restructuring Cost and Reserve [Line Items]
Total Amount Expected to be Incurred	$ 15,388			$ 15,388
Incurred in the Three-months Ended September 27, 2020	251	$ 14,798	$ 0	15,049	$ 0
One-time termination benefits
Restructuring Cost and Reserve [Line Items]
Total Amount Expected to be Incurred	10,503			10,503
Incurred in the Three-months Ended September 27, 2020	(36)			10,350
Contract termination costs
Restructuring Cost and Reserve [Line Items]
Total Amount Expected to be Incurred	4,099			4,099
Incurred in the Three-months Ended September 27, 2020	104			4,099
Other associated costs
Restructuring Cost and Reserve [Line Items]
Total Amount Expected to be Incurred	786			786
Incurred in the Three-months Ended September 27, 2020	$ 183			$ 600

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Restructuring Charges - Activity in Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 27, 2020	Jun. 28, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 251	$ 14,798	$ 0	$ 15,049	$ 0
Accrued Expenses
Restructuring Reserve [Roll Forward]
Balance at beginning of period				0
Restructuring charges				15,712
Cash payments				(8,775)
Non-cash restructuring charges				(3,145)
Restructuring adjustments				(663)
Foreign exchange rate changes				188
Balance at end of period	3,317			3,317
One-time Termination Benefits
Restructuring Reserve [Roll Forward]
Restructuring charges	(36)			10,350
One-time Termination Benefits | Accrued Expenses
Restructuring Reserve [Roll Forward]
Balance at beginning of period				0
Restructuring charges				11,117
Cash payments				(8,133)
Non-cash restructuring charges				0
Restructuring adjustments				(767)
Foreign exchange rate changes				158
Balance at end of period	2,375			2,375
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring charges	104			4,099
Contract Termination Costs | Accrued Expenses
Restructuring Reserve [Roll Forward]
Balance at beginning of period				0
Restructuring charges				3,995
Cash payments				(230)
Non-cash restructuring charges				(3,145)
Restructuring adjustments				104
Foreign exchange rate changes				13
Balance at end of period	737			737
Other Associated Costs
Restructuring Reserve [Roll Forward]
Restructuring charges	183			600
Other Associated Costs | Accrued Expenses
Restructuring Reserve [Roll Forward]
Balance at beginning of period				0
Restructuring charges				600
Cash payments				(412)
Non-cash restructuring charges				0
Restructuring adjustments				0
Foreign exchange rate changes				17
Balance at end of period	$ 205			$ 205

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Subsequent Events (Details)	Oct. 28, 2020 USD ($)
Subsequent Event
Subsequent Event [Line Items]
Dividends (in dollars per share)	$ 0.06