10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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 March 31, 2017

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 0-23621

MKS INSTRUMENTS, INC.

(Exact name of registrant as specified in its charter)

Massachusetts	04-2277512
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2 Tech Drive, Suite 201, Andover, Massachusetts	01810
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (978) 645-5500

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 and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, 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	☐  (Do not check if a smaller reporting company)	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 May 2, 2017, the registrant had 54,108,231 shares of common stock outstanding.

MKS INSTRUMENTS, INC.

FORM 10-Q

INDEX

PART I.	FINANCIAL INFORMATION
ITEM 1.	FINANCIAL STATEMENTS (Unaudited)
	Condensed Consolidated Balance Sheets – March  31, 2017 and December 31, 2016	3
	Condensed Consolidated Statements of Operations and Comprehensive Income – Three months ended March 31, 2017 and 2016	4
	Condensed Consolidated Statements of Cash Flows – Three months ended March 31, 2017 and 2016	5
	Notes to Unaudited Condensed Consolidated Financial Statements	6
ITEM 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	31
ITEM 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	41
ITEM 4.	CONTROLS AND PROCEDURES	41
PART II.	OTHER INFORMATION
ITEM 1.	LEGAL PROCEEDINGS	42
ITEM 1A.	RISK FACTORS	43
ITEM 6.	EXHIBITS	43
SIGNATURES		44
EXHIBIT INDEX		45

2

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS.

MKS INSTRUMENTS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share data)

(Unaudited)

	March 31, 2017			December 31, 2016
ASSETS
Current assets:
Cash and cash equivalents	$	255,912		$	228,623
Restricted cash		5,274			5,287
Short-term investments		155,299			189,463
Trade accounts receivable, net		267,249			248,757
Inventories, net		285,518			275,869
Other current assets		52,266			50,770
Total current assets		1,021,518			998,769
Property, plant and equipment, net		169,833			174,559
Goodwill		590,502			588,585
Intangible assets, net		396,409			408,004
Long-term investments		9,933			9,858
Other assets		32,352			32,467
Total assets	$	2,220,547		$	2,212,242
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Short-term borrowings and current portion of long-term debt	$	10,623		$	10,993
Accounts payable		70,493			69,337
Accrued compensation		50,034			67,728
Income taxes payable		27,469			22,794
Deferred revenue		16,197			14,463
Other current liabilities		55,580			51,985
Total current liabilities		230,396			237,300
Long-term debt		552,232			601,229
Non-current deferred taxes		64,221			66,446
Non-current accrued compensation		46,201			44,714
Other liabilities		22,092			20,761
Total liabilities		915,142			970,450
Commitments and contingencies (Note 18)
Stockholders’ equity:
Preferred Stock, $0.01 par value per share, 2,000,000 shares authorized; none issued and outstanding		—			—
Common Stock, no par value, 200,000,000 shares authorized; 53,886,862 and 53,672,861 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively		113			113
Additional paid-in capital		783,371			777,482
Retained earnings		550,385			494,744
Accumulated other comprehensive loss		(28,464	)		(30,547	)
Total stockholders’ equity		1,305,405			1,241,792
Total liabilities and stockholders’ equity	$	2,220,547		$	2,212,242

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

3

MKS INSTRUMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

AND COMPREHENSIVE INCOME

(in thousands, except per share data)

(Unaudited)

	Three Months Ended March 31,
	2017			2016
Net revenues:
Products	$	392,922		$	153,621
Services		44,231			30,060
Total net revenues		437,153			183,681
Cost of revenues:
Cost of products		205,060			85,352
Cost of services		26,546			20,416
Total cost of revenues (exclusive of amortization shown separately below)		231,606			105,768
Gross profit		205,547			77,913
Research and development		33,282			17,227
Selling, general and administrative		74,220			33,950
Acquisition and integration costs		1,442			2,494
Restructuring		522			—
Amortization of intangible assets		12,501			1,683
Income from operations		83,580			22,559
Interest income		516			924
Interest expense		8,832			44
Other income		2,021			366
Income before income taxes		77,285			23,805
Provision for income taxes		12,225			6,242
Net income	$	65,060		$	17,563
Other comprehensive income:
Changes in value of financial instruments designated as cash flow hedges, net of tax benefit(1)	$	(2,440	)	$	(1,546	)
Foreign currency translation adjustments, net of tax of $0		4,534			2,652
Unrecognized pension gain, net of tax expense (2)		115			—
Unrealized (loss) gain on investments, net of tax (benefit) expense(3)		(126	)		378
Total comprehensive income	$	67,143		$	19,047
Net income per share:
Basic	$	1.21		$	0.33
Diluted	$	1.18		$	0.33
Cash dividends per common share	$	0.175		$	0.17
Weighted average common shares outstanding:
Basic		53,769			53,235
Diluted		54,958			53,563

⁽¹⁾  Tax benefit was $1,831 and $1,041 for the three months ended March 31, 2017 and 2016, respectively.

⁽²⁾  Tax expense of $86 and $0 for the three months ended March 31, 2017 and 2016, respectively.

⁽³⁾  Tax (benefit) expense was $(94) and $254 for the three months ended March 31, 2017 and 2016, respectively.

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

4

MKS INSTRUMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(Unaudited)

	Three Months Ended March 31,
	2017			2016
Cash flows provided by operating activities:
Net income	$	65,060		$	17,563
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		21,833			5,278
Amortization of debt issuance costs, original issue discount and soft call premium		2,715			—
Stock-based compensation		8,782			4,152
Provision for excess and obsolete inventory		5,031			2,948
Provision for bad debt		316			17
Deferred income taxes		(1,809	)		347
Excess tax benefits from stock-based compensation		—			(233	)
Other		85			68
Changes in operating assets and liabilities:
Trade accounts receivable		(15,215	)		(10,084	)
Inventories		(11,714	)		(844	)
Income taxes		8,067			2,316
Other current assets		(1,525	)		(3,562	)
Accrued compensation		(16,786	)		(7,086	)
Other current and non-current liabilities		1,082			7,718
Accounts payable		809			4,772
Other assets		(674	)		(189	)
Net cash provided by operating activities		66,057			23,181
Cash flows provided by investing activities:
Purchases of investments		(42,292	)		(82,135	)
Maturities of investments		55,672			76,972
Sales of investments		21,179			128,250
Purchases of property, plant and equipment		(4,099	)		(2,156	)
Net cash provided by investing activities		30,460			120,931
Cash flows used in financing activities:
Restricted cash		(148	)		—
Proceeds from short-term borrowings		736			—
Payments on short-term borrowings		(1,398	)		—
Payments on long-term borrowings		(51,570	)		—
Repurchase of common stock		—			(1,545	)
Net payments related to employee stock awards		(2,894	)		(2,587	)
Dividend payments to common stockholders		(9,419	)		(9,056	)
Excess tax benefits from stock-based compensation		—			233
Net cash used in financing activities		(64,693	)		(12,955	)
Effect of exchange rate changes on cash and cash equivalents		(4,535	)		(876	)
Increase in cash and cash equivalents		27,289			130,281
Cash and cash equivalents at beginning of period		228,623			227,574
Cash and cash equivalents at end of period	$	255,912		$	357,855

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.

5

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(in thousands, except share and per share data)

1) Basis of Presentation

The terms “MKS” and the “Company” refer to MKS Instruments, Inc. and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. The interim financial data as of March 31, 2017, and for the three months ended March 31, 2017 and 2016 are unaudited; however, in the opinion of MKS, the interim data includes all adjustments, consisting of normal recurring adjustments, necessary for a fair statement of the results for the interim periods. The condensed consolidated balance sheet presented as of December 31, 2016 has been derived from the consolidated audited financial statements as of that date. The unaudited condensed consolidated financial statements presented herein have been prepared in accordance with the instructions to Form 10-Q and do not include all of the information and note disclosures required by United States generally accepted accounting principles (“U.S. GAAP”). The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the MKS Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission on March 1, 2017.

The preparation of these unaudited condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, management evaluates its estimates and judgments, including those related to revenue recognition, stock-based compensation, inventory, intangible assets, goodwill and other long-lived assets, warranty liabilities, pension liabilities, acquisition expenses, income taxes and investments. Management bases its estimates and judgments on historical experience and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

2) Recently Issued Accounting Pronouncements

In March 2017, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2017-07, “Compensation-Retirement Benefits (Topic 715)-Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” This standard requires that an employer disaggregate the service cost component from the other components of net benefit cost. This standard also provides explicit guidance on how to present the service cost component and the other components of the net benefit cost in the income statement and allows only the service cost component of net benefit cost to be eligible for capitalization. The provisions of this ASU are effective for annual periods beginning after December 31, 2017, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles-Goodwill and Other (Topic 350).” This standard simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of goodwill. The provisions of this ASU are effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company expects to adopt this new standard in 2017 when it performs its annual goodwill impairment test in the fourth quarter. The adoption of this ASU is not expected to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805)-Clarifying the Definition of a Business.” This standard clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This standard also provides a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is applicable under certain circumstances. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

6

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230)-Restricted Cash,” an amendment to ASU 2016-15. This standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash and restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. Early adoption is permitted. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and should be applied at the time of adoption of ASU 2016-15. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740)-Intra-Entity Transfer of Assets Other Than Inventory.” This standard requires that an entity recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs as opposed to when the assets have been sold to an outside party. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and early adoption is permitted. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230)-Classification of Certain Cash Receipts and Cash Payments.” This standard addresses eight specific cash flow issues with the objective of addressing the diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows under Topic 230. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” This standard requires the recognition of lease assets and liabilities for all leases, with certain exceptions, on the balance sheet. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. This ASU is effective for annual periods beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments—Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” This ASU provides guidance for the recognition, measurement, presentation, and disclosure of financial instruments. The new pronouncement revises accounting related to equity investments and the presentation of certain fair value changes for financial assets and liabilities measured at fair value. Among other things, it amends the presentation and disclosure requirements of equity securities that do not result in consolidation and are not accounted for under the equity method. Changes in the fair value of these equity securities will be recognized directly in net income. This pronouncement is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 provides for a single comprehensive model to use in accounting for revenue arising from contracts with customers and will replace most existing revenue recognition guidance in GAAP when it becomes effective. ASU 2014-09 is effective for fiscal years and interim periods within those years beginning after December 15, 2017. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. The Company does not plan to early adopt the standard, but has preliminarily concluded that it will use the modified retrospective method upon adoption in the first quarter of 2018.

In March, April, May and December 2016, the FASB issued additional updates to the new revenue standard relating to reporting revenue on a gross versus net basis, identifying performance obligations and licensing arrangements, narrow-scope improvements and practical expedients, and technical corrections and improvements, respectively. The Company has reviewed its plan for the implementation and will continue to report the status against that plan with the Company’s Audit Committee. The Company has established a cross functional project steering committee and implementation team to identify potential differences that would result from applying the requirements of the new standard to the Company’s revenue contracts and related expense line items. The Company has identified the various revenue streams, including product revenues, service revenues, installation and training, that could be impacted by Topic 606 and has started to review individual customer contracts related to these revenue streams to determine if any material differences exist between the current revenue standard, Accounting Standards Codification Topic 605 and

7

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Topic 606. In the second quarter of 2017, the Company will be reviewing the additional disclosure requirements of the new standard and the potential impact on its internal control structure and revenue recognition policy. The Company has not completed its assessment of the new revenue recognition standard and has not yet determined the impact on its consolidated financial statements. The Company anticipates that it will complete its assessment of the new standard and its potential financial impact by the end of the third quarter of 2017.

3) Investments

The fair value of investments classified as short-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	23,818
Bankers’ acceptance drafts		1,117		1,439
Asset-backed securities		36,682		36,809
Commercial paper		12,134		24,381
Corporate obligations		51,393		46,707
Municipal bonds		251		591
Promissory note		675		675
U.S. treasury obligations		20,424		25,414
U.S. agency obligations		29,144		29,629
	$	155,299	$	189,463

Investments classified as long-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Group insurance contracts	$	5,633	$	5,558
Cost method investments:
Minority interest in a private company(1)		4,300		4,300
	$	9,933	$	9,858

⁽¹⁾  In April 2016, the Company invested $9,300 for a minority interest in a private company. For the year ended December 31, 2016, the Company recognized $5,000 of impairment charges related to this cost method investment.

The following tables show the gross unrealized gains and (losses) aggregated by investment category for available-for-sale investments:

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	—	$	—		$	3,479
Bankers’ acceptance drafts		1,117		—		—			1,117
Asset-backed securities		36,711		12		(41	)		36,682
Commercial paper		12,160		—		(26	)		12,134
Corporate obligations		51,328		70		(5	)		51,393
Municipal bonds		251		—		—			251
Promissory note		675		—		—			675
U.S. treasury obligations		20,418		6		—			20,424
U.S. agency obligations		29,114		34		(4	)		29,144
	$	155,253	$	122	$	(76	)	$	155,299

8

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,497	$	—	$	(864	)	$	5,633

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	23,818	$	—	$	—		$	23,818
Bankers acceptance drafts		1,439		—		—			1,439
Asset-backed securities		36,847		6		(44	)		36,809
Commercial paper		24,423		—		(42	)		24,381
Corporate obligations		46,700		21		(14	)		46,707
Municipal bonds		591		—		—			591
Promissory note		675		—		—			675
U.S. treasury obligations		25,414		—		—			25,414
U.S. agency obligations		29,631		8		(10	)		29,629
	$	189,538	$	35	$	(110	)	$	189,463

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,276	$	—	$	(718	)	$	5,558

The tables above, which show the gross unrealized gains and (losses) aggregated by investment category for available-for-sale investments as of March 31, 2017 and December 31, 2016, reflect the inclusion within short-term investments of investments with contractual maturities greater than one year from the date of purchase. Management has the ability, if necessary, to liquidate any of its investments in order to meet the Company’s liquidity needs in the next 12 months. Accordingly, those investments with contractual maturities greater than one year from the date of purchase are classified as short-term on the accompanying balance sheets.

Interest income is accrued as earned. Dividend income is recognized as income on the date the stock trades “ex-dividend.” The cost of marketable securities sold is determined by the specific identification method. Realized gains or losses are reflected in income and were not material for the three months ended March 31, 2017 and 2016.

4) Fair Value Measurements

In accordance with the provisions of fair value accounting, a fair value measurement assumes that the transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability and defines fair value based upon an exit price model.

The fair value measurement guidance establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance describes three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices in active markets for identical assets or liabilities assessed as of the reporting date. Active markets are those in which transactions for the asset or liability occur in sufficient frequency and volume to provide pricing information on an ongoing basis.

9

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Level 2

Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include debt securities with quoted prices that are traded less frequently than exchange-traded instruments or securities or derivative contracts that are valued using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data.

Level 3

Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the Company categorizes such assets and liabilities based on the lowest level input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

Assets and liabilities of the Company are measured at fair value on a recurring basis as of March 31, 2017 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	March 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	1,263	$	1,263	$	—	$	—
Time deposits and certificates of deposit		2,300		—		2,300		—
Bankers’ acceptance drafts		682		—		682		—
Commercial paper		10,604		—		10,604		—
Corporate obligations		1,550		—		1,550		—
Restricted cash – money market funds		5,274		5,274		—		—
Available-for-sale investments:
Time deposits and certificates of deposit		3,479		—		3,479		—
Bankers’ acceptance drafts		1,117		—		1,117		—
Asset-backed securities		36,682		—		36,682		—
Commercial paper		12,134		—		12,134		—
Corporate obligations		51,393		—		51,393		—
Municipal bonds		251		—		251		—
Promissory note		675		—		675		—
U.S. treasury obligations		20,424		—		20,424		—
U.S. agency obligations		29,144		—		29,144		—
Group insurance contracts		5,633		—		5,633		—
Derivatives – currency forward contracts		664		—		664		—
Derivatives – options contracts		14		—		14		—
Funds in investments and other assets:
Israeli pension assets		14,024		—		14,024		—
Derivatives – interest rate hedge – non-current		5,428		—		5,428		—
Restricted cash – non-current		744		744		—		—
Total assets	$	203,479	$	7,281	$	196,198	$	—
Liabilities:
Derivatives – currency forward contracts	$	3,666	$	—	$	3,666	$	—

10

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

			Fair Value Measurements at Reporting Date Using
Description	March 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Reported as follows:
Assets:
Cash and cash equivalents(1)	$	16,399	$	1,263	$	15,136	$	—
Restricted cash		5,274		5,274		—		—
Short-term investments		155,299		—		155,299		—
Other current assets		678		—		678		—
Total current assets	$	177,650	$	6,537	$	171,113	$	—
Long-term investments(2)		5,633		—		5,633		—
Other long-term assets		19,452		—		19,452		—
Restricted cash – non-current		744		744		—		—
Total long-term assets	$	25,829	$	744	$	25,085	$	—
Liabilities:
Other current liabilities	$	3,666	$	—	$	3,666	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $238,663 and non-negotiable time deposits of $850 as of March 31, 2017.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

11

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Assets and liabilities of the Company are measured at fair value on a recurring basis as of December 31, 2016 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	10,155	$	10,155	$	—	$	—
Time deposits and certificates of deposit		4,900		—		4,900		—
Bankers acceptance drafts		448		—		448		—
Commercial paper		11,828		—		11,828		—
Corporate obligations		2,025		—		2,025		—
U.S. agency obligations		3,899		—		3,899		—
Restricted cash – money market funds		5,287		5,287		—		—
Available-for-sale securities:
Time deposits and certificates of deposit		23,818		—		23,818		—
Bankers acceptance drafts		1,439		—		1,439		—
Asset-backed securities		36,809		—		36,809		—
Commercial paper		24,381		—		24,381		—
Corporate obligations		46,707		—		46,707		—
Municipal bonds		591		—		591		—
Promissory note		675		—		675		—
U.S. treasury obligations		25,414		—		25,414		—
U.S. agency obligations		29,629		—		29,629		—
Group insurance contracts		5,558		—		5,558		—
Derivatives – currency forward contracts		2,985		—		2,985		—
Derivatives – options contracts		4		—		4		—
Funds in investments and other assets:
Israeli pension assets		13,910		—		13,910		—
Derivatives – interest rate hedge – non-current		4,900		—		4,900		—
Restricted cash – non-current		573		573		—		—
Total assets	$	255,935	$	16,015	$	239,920	$	—
Liabilities:
Derivatives – currency forward contracts	$	543	$	—	$	543	$	—
Derivatives – options contracts		16		—		16		—
Total liabilities	$	559	$	—	$	559	$	—
Assets:
Cash and cash equivalents(1)	$	33,255	$	10,155	$	23,100	$	—
Restricted cash		5,287		5,287		—		—
Short-term investments		189,463		—		189,463		—
Other current assets		2,989		—		2,989		—
Total current assets	$	230,994	$	15,442	$	215,552	$	—
Long-term investments(2)	$	5,558	$	—	$	5,558	$	—
Other long-term assets		18,810		—		18,810		—
Restricted cash – non-current		573		573		—		—
Total long-term assets	$	24,941	$	573	$	24,368	$	—
Liabilities:
Other current liabilities	$	559	$	—	$	559	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $192,432 and non-negotiable time deposits of $2,936 as of December 31, 2016.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

12

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Money Market Funds

Money market funds are cash and cash equivalents and are classified within Level 1 of the fair value hierarchy.

Restricted Cash

The Company has letters of credit, which require it to maintain specified cash deposit balances, consisting mainly of money market funds, as collateral. Such amounts have been classified as restricted cash and are classified as Level 1.

Available-For-Sale Investments

Available-for-sale investments consists of time deposits and drafts denominated in the Euro currency, certificates of deposit, bankers acceptance drafts, asset-backed securities (which include auto loans, credit card receivables and equipment trust receivables), corporate obligations, municipal bonds, U.S. treasury obligations and U.S. agency obligations.

The Company measures its debt and equity investments at fair value. The Company’s available-for-sale investments are classified within Level 1 and Level 2 of the fair value hierarchy.

Israeli Pension Assets

Israeli pension assets represent investments in mutual funds, government securities and other time deposits. These investments are set aside for the retirement benefit of the employees at the Company’s Israeli subsidiaries. These funds are classified within Level 2 of the fair value hierarchy.

Derivatives

As a result of the Company’s global operating activities, the Company is exposed to market risks from changes in foreign currency exchange rates, which may adversely affect its operating results and financial position. When deemed appropriate, the Company minimizes its risks from foreign currency exchange rate fluctuations through the use of derivative financial instruments. The principal market in which the Company executes its foreign currency contracts is the institutional market in an over-the-counter environment with a relatively high level of price transparency. The market participants usually are large commercial banks. The forward foreign currency exchange contracts are valued using broker quotations or market transactions and are classified within Level 2 of the fair value hierarchy.

5) Derivatives

The Company enters into derivative instruments for risk management purposes only, including derivatives designated as hedging instruments and those utilized as economic hedges. The Company operates internationally and, in the normal course of business, is exposed to fluctuations in interest rates and foreign exchange rates. These fluctuations can increase the costs of financing, investing and operating the business. The Company has used derivative instruments, such as forward contracts and foreign currency option contracts, to manage certain foreign currency exposure.

By nature, all financial instruments involve market and credit risks. The Company enters into derivative instruments with major investment grade financial institutions, for which no collateral is required. The Company has policies to monitor the credit risk of these counterparties. While there can be no assurance, the Company does not anticipate any material non-performance by any of these counterparties.

Interest Rate Swap Agreement

On September 30, 2016, the Company entered into an interest rate swap agreement to fix the rate on approximately 50% of its remaining outstanding balance of the Credit Agreement, as described further in Note 9. This hedge fixes the interest rate paid on the hedged debt at 1.198% per annum plus the credit spread of 3.50% through September 30, 2020. The interest rate swap will be recorded at fair value on the balance sheet and changes in the fair value will be recognized in other comprehensive income (loss) (“OCI”). To the extent that this arrangement is no longer an effective hedge, any ineffectiveness measured in the hedging relationship is recorded currently in earnings in the period it occurs. The notional amount of this transaction was $335,000 and had a fair value of $5,428 at March 31, 2017.

13

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Foreign Exchange Contracts

The Company hedges a portion of its forecasted foreign currency-denominated intercompany sales of inventory, over a maximum period of eighteen months, using forward foreign exchange contracts accounted for as cash-flow hedges related to Japanese, South Korean, British, Euro and Taiwanese currencies. To the extent these derivatives are effective in off-setting the variability of the hedged cash flows, and otherwise meet the hedge accounting criteria, changes in the derivatives’ fair value are not included in current earnings but are included in OCI in stockholders’ equity. These changes in fair value will subsequently be reclassified into earnings, as applicable, when the forecasted transaction occurs. To the extent that a previously designated hedging transaction is no longer an effective hedge, any ineffectiveness measured in the hedging relationship is recorded currently in earnings in the period it occurs. The cash flows resulting from forward exchange contracts are classified in the consolidated statements of cash flows as part of cash flows from operating activities. The Company does not enter into derivative instruments for trading or speculative purposes.

The Company also enters into forward exchange contracts to hedge certain balance sheet amounts and foreign currency option contracts related to the Israeli Shekel. To the extent the hedge accounting criteria is not met, the related foreign currency forward contracts and foreign currency option contracts are considered as economic hedges and changes in the fair value of these contracts are recorded immediately in earnings in the period in which they occur. These include hedges that are used to reduce exchange rate risks arising from the change in fair value of certain foreign currency-denominated assets and liabilities (i.e., payables, receivables) and other economic hedges where the hedge accounting criteria were not met.

As of March 31, 2017 and December 31, 2016, the Company had outstanding forward foreign exchange contracts with gross notional values of $124,959 and $120,208, respectively. The following tables provide a summary of the primary net hedging positions and corresponding fair values held as of March 31, 2017 and December 31, 2016:

	March 31, 2017
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	35,644	$	(493	)
U.S. Dollar/South Korean Won		45,972		(1,804	)
U.S. Dollar/Euro		20,150		(15	)
U.S. Dollar/U.K. Pound Sterling		6,599		(43	)
U.S. Dollar/Taiwan Dollar		16,594		(647	)
Total	$	124,959	$	(3,002	)

	December 31, 2016
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	30,522	$	763
U.S. Dollar/South Korean Won		50,049		1,342
U.S. Dollar/Euro		18,040		156
U.S. Dollar/U.K. Pound Sterling		6,067		117
U.S. Dollar/Taiwan Dollar		15,530		64
Total	$	120,208	$	2,442

⁽¹⁾  Represents the fair value of the net (liability) asset amount included in the consolidated balance sheet.

14

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The following table provides a summary of the fair value amounts of the Company’s derivative instruments:

Derivatives Designated as Hedging Instruments	March 31, 2017			December 31, 2016
Derivative assets:
Foreign exchange contracts(1)	$	664		$	2,985
Foreign currency options contracts(1)		14			4
Foreign currency interest rate hedge(2)		5,428			4,900
Derivative liabilities:
Foreign exchange contracts(1)		(3,666	)		(543	)
Foreign currency options contracts(1)		—			(16	)
Total net derivative assets designated as hedging instruments	$	2,440		$	7,330

⁽¹⁾  The derivative asset of $678 and derivative liability of $(3,666) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of March 31, 2017. The derivative asset of $2,989 and derivative liability of $(559) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of December 31, 2016. These foreign exchange contracts are subject to a master netting agreement with one financial institution. However, the Company has elected to record these contracts on a gross basis in the balance sheet.

⁽²⁾  The foreign currency interest rate hedge assets of $5,428 and $4,900 are classified in other assets in the consolidated balance sheet as of March 31, 2017 and December 31, 2016, respectively,

The net amount of existing gains as of March 31, 2017, that the Company expects to reclassify from OCI into earnings within the next twelve months is immaterial.

The following table provides a summary of the (losses) gains on derivatives designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Designated as Cash Flow Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in OCI(1)	$	(6,978	)	$	(3,418	)
Net gain reclassified from accumulated OCI into income(2)	$	452		$	696

⁽¹⁾  Net change in the fair value of the effective portion classified in OCI.

⁽²⁾  Effective portion classified in cost of products for the three months ended March 31, 2017 and 2016. The tax effect of the gains or losses reclassified from accumulated OCI into income is immaterial.

The following table provides a summary of the losses on derivatives not designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Not Designated as Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in income(1)	$	(1,463	)	$	(565	)

⁽¹⁾  The Company enters into foreign exchange contracts to hedge against changes in the balance sheet for certain subsidiaries and also enters into foreign currency option contracts to mitigate the risk associated with certain foreign currency transactions in the ordinary course of business. These derivatives are not designated as hedging instruments and gains or losses from these derivatives are recorded immediately in selling, general and administrative expenses.

15

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

6) Inventories, net

Inventories consist of the following:

	March 31, 2017		December 31, 2016
Raw materials	$	159,354	$	150,150
Work-in-process		48,306		39,105
Finished goods		77,858		86,614
	$	285,518	$	275,869

7) Acquisitions

Newport Corporation

On April 29, 2016, the Company completed its acquisition of Newport Corporation (“Newport”) pursuant to an Agreement and Plan of Merger, dated as of February 22, 2016 (the “Merger Agreement”), by and among the Company, PSI Equipment, Inc., a wholly owned subsidiary of the Company (“Merger Sub”), and Newport (the “Newport Merger”). At the effective time of the Newport Merger and pursuant to the terms and conditions of the Merger Agreement, each share of Newport’s common stock that was issued and outstanding immediately prior to the effective time of the Newport Merger was converted into the right to receive $23.00 in cash, without interest and subject to deduction for any required withholding tax.

Newport’s innovative solutions leverage its expertise in advanced technologies, including lasers, photonics and precision motion equipment, and optical components and sub-systems, to enhance the capabilities and productivity of its customers’ manufacturing, engineering and research applications. Newport is a global supplier of advanced-technology products and systems to customers in the scientific research and defense/security, microelectronics, life and health sciences and industrial manufacturing markets.

The purchase price of Newport consisted of the following:

Cash paid for outstanding  shares(1)	$	905,254
Settlement of share-based compensation awards(2)		8,824
Cash paid for Newport debt(3)		93,200
Total purchase price	$	1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

⁽¹⁾  Represents cash paid of $23.00 per share for approximately 39,359,000 shares of Newport common stock, without interest and subject to a deduction for any required withholding tax.

⁽²⁾  Represents the vested but not issued portion of Newport share-based compensation awards as of the acquisition date of April 29, 2016.

⁽³⁾  Represents the cash paid for the outstanding balance of Newport’s senior secured revolving credit agreement.

The Company funded the payment of the aggregate consideration with a combination of the Company’s available cash on hand and the proceeds from the Company’s senior secured Term Loan Facility, as described in Note 9.

Under the acquisition method of accounting, the total estimated acquisition consideration is allocated to the acquired tangible and intangible assets and assumed liabilities of Newport based on their fair values as of the acquisition date. Any excess of the acquisition consideration over the fair value of assets acquired and liabilities assumed is allocated to goodwill. The Company expects that all such goodwill and intangible assets will not be deductible for tax purposes.

16

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The following table summarizes the allocation of the purchase price to the fair values assigned to assets acquired and liabilities assumed at the date of the Newport Merger:

Current assets (including cash)	$	186,137
Inventory		142,714
Intangible assets		404,506
Goodwill		396,027
Property, plant and equipment		119,932
Long-term assets		22,725
Total assets acquired		1,272,041
Current liabilities		95,156
Intangible liability		4,302
Other long-term liabilities		165,305
Total liabilities assumed		264,763
Fair value of assets acquired and liabilities assumed		1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

For the year ended December 31, 2016, the Company recorded $15,090 of incremental cost of sales charges associated with the fair value write-up of inventory acquired in the merger with Newport.

The fair value write-up of acquired property, plant and equipment of $36,242 will be amortized over the useful life of the asset. Property, plant and equipment is valued at its value-in-use, unless there was a known plan to dispose of the asset.

The acquired intangible assets are being amortized on a straight-line basis, which approximates the economic use of the asset.

The following table reflects the allocation of the acquired intangible assets and liabilities and related estimate of useful lives:

Order backlog	$	12,100	1 year
Customer relationships		247,793	6-18 years
Trademarks and trade names		55,900	Indefinite
Developed technology		75,386	4-8 years
In-process research and development		6,899	Undefined(1)
Leasehold interest (favorable)		6,428	4-5 years
Total intangible assets	$	404,506
Leasehold interest (unfavorable)	$	4,302

⁽¹⁾  The useful lives of in-process research and development will be defined in the future upon further evaluation of the status of these programs.

The fair value of the acquired intangibles was determined using the income approach. In performing these valuations, the key underlying probability-adjusted assumptions of the discounted cash flows were projected revenues, gross margin expectations and operating cost estimates. The valuations were based on the information that was available as of the acquisition date and the expectations and assumptions that have been deemed reasonable by the Company’s management. There are inherent uncertainties and management judgment required in these determinations. This acquisition resulted in a purchase price that exceeded the estimated fair value of tangible and intangible assets, the excess amount of which was allocated to goodwill.

The Company believes the amount of goodwill relative to identifiable intangible assets relates to several factors including: (1) potential buyer-specific synergies related to market opportunities for a combined product offering; and (2) potential to leverage the Company’s sales force to attract new customers and revenue and cross sell to existing customers.

The results of this acquisition were included in the Company’s consolidated operations beginning on April 29, 2016. Newport constitutes the Company’s Light & Motion reportable segment (see Note 16).

Certain executives from Newport have severance provisions in their respective Newport employment agreements. The agreements include terms that are accounted for as dual-trigger arrangements. Through the Company’s acquisition accounting, the expense

17

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

relating to these benefits was recognized in the combined entity’s financial statements, however, the benefit itself will not be distributed until the final provision is met by each eligible executive. The Company recorded costs of $5,816 and $3,334 as compensation expense and stock-based compensation expense, respectively, for the twelve months ended December 31, 2016 in connection with these severance provisions. The shares underlying the restricted stock units and stock appreciation rights that are eligible for accelerated vesting if the executive exercises his rights are not issued as of each reporting period-end and are excluded from the computation of basic earnings per share and included in the computation of diluted earnings per share for each reporting period.

Cost Method Investment in a Private Company

On April 27, 2016, the Company invested $9,300 for a minority interest in a private company, which operates in the field of semiconductor process equipment instrumentation. The Company accounted for this investment using the cost method of accounting. During the fourth quarter of 2016, the Company recognized an impairment loss on this investment of $5,000 based upon financial information of this private company.

8) Goodwill and Intangible Assets

Goodwill

The Company’s methodology for allocating the purchase price relating to purchase acquisitions is determined through established and generally accepted valuation techniques. Goodwill is measured as the excess of the cost of the acquisition over the sum of the amounts assigned to tangible and identifiable intangible assets acquired less liabilities assumed. The Company assigns assets acquired (including goodwill) and liabilities assumed to one or more reporting units as of the date of acquisition. Typically acquisitions relate to a single reporting unit and thus do not require the allocation of goodwill to multiple reporting units. If the products obtained in an acquisition are assigned to multiple reporting units, the goodwill is distributed to the respective reporting units as part of the purchase price allocation process.

Goodwill and purchased intangible assets with indefinite useful lives are not amortized, but are reviewed for impairment annually during the fourth quarter of each fiscal year and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable. The process of evaluating the potential impairment of goodwill and intangible assets requires significant judgment. The Company regularly monitors current business conditions and other factors including, but not limited to, adverse industry or economic trends, restructuring actions and lower projections of profitability that may impact future operating results.

The changes in the carrying amount of goodwill and accumulated impairment (loss) during the three months ended March 31, 2017 and year ended December 31, 2016 were as follows:

	Three Months Ended March 31, 2017							Twelve Months Ended December 31, 2016
	Gross Carrying Amount		Accumulated Impairment (Loss)			Net		Gross Carrying Amount			Accumulated Impairment (Loss)			Net
Beginning balance at January 1	$	727,999	$	(139,414	)	$	588,585	$	339,117		$	(139,414	)	$	199,703
Acquired goodwill(1)		—		—			—		396,027			—			396,027
Foreign currency translation		1,917		—			1,917		(7,145	)		—			(7,145	)
Ending balance at March 31, 2017 and December 31, 2016	$	729,916	$	(139,414	)	$	590,502	$	727,999		$	(139,414	)	$	588,585

⁽¹⁾  During 2016, the Company recorded $396,027 of goodwill related to the Newport Merger.

18

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Intangible Assets

Components of the Company’s intangible assets are comprised of the following:

As of March 31, 2017:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	176,586	$	(103,127	)	$	(746	)	$	72,713
Customer relationships		285,044		(34,246	)		(2,634	)		248,164
Patents, trademarks, trade names and other		111,723		(36,118	)		(73	)		75,532
	$	573,353	$	(173,491	)	$	(3,453	)	$	396,409

As of December 31, 2016:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology(1)	$	176,586	$	(97,707	)	$	(1,068	)	$	77,811
Customer relationships(1)		285,044		(29,709	)		(3,404	)		251,931
Patents, trademarks, trade names and other(1)		111,723		(33,397	)		(64	)		78,262
	$	573,353	$	(160,813	)	$	(4,536	)	$	408,004

⁽¹⁾  During 2016, the Company recorded $404,506 of separately identified intangible assets related to the Newport Merger, of which $75,386 was completed technology, $247,793 was customer relationships and $81,327 was patents, trademarks, trade names, in-process research and development and other. During 2016, the Company also recorded $4,302 of unfavorable lease commitments, which is recorded in other liabilities in the balance sheet.

Aggregate amortization expense related to acquired intangibles for the three months ended March 31, 2017 and 2016 was $12,501 and $1,683, respectively. The amortization expense for the three months ended March 31, 2017, is net of $177 amortization income from unfavorable lease commitments. Aggregate net amortization expense related to acquired intangible assets and unfavorable lease commitments for future years is as follows:

Year	Amount
2017 (remaining)	$	33,053
2018		42,951
2019		39,833
2020		27,940
2021		20,071
2022		17,475
Thereafter		155,672

9) Debt

Term Loan Credit Agreement

In connection with the completion of the Newport Merger, the Company entered into a term loan credit agreement (the “Credit Agreement”) with Barclays Bank PLC, as administrative agent and collateral agent, and the lenders from time to time party thereto (the “Lenders”), that provided senior secured financing of $780,000, subject to increase at the Company’s option in accordance with the Credit Agreement (the “Term Loan Facility”). Borrowings under the Term Loan Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, and (4) a floor of 1.75%, plus, in each case, an applicable margin (that was initially 3.00% and was decreased as described below); or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, subject to a LIBOR rate floor of 0.75%, plus an applicable margin (that was initially 4.00% and was decreased as described below). The Company has elected the interest rate as described in clause (b). The Term Loan Facility was issued with original issue discount of 1.00% of the principal amount thereof.

On June 9, 2016, the Company entered into Amendment No. 1 (the “Re-pricing Amendment 1”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing

19

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Amendment 1 decreased the applicable margin for borrowings under the Company’s Term Loan Facility to 2.50% for base rate borrowings and 3.50% for LIBOR borrowings and extended the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment 1. In connection with the execution of the Re-pricing Amendment 1, the Company paid a pre-payment premium of 1.00%, or $7,300, as well as certain fees and expenses of the administrative agent and the Lenders, in accordance with the terms of the Credit Agreement. Immediately prior to the effectiveness of the Re-pricing Amendment 1, the Company prepaid $50,000 of principal under the Credit Agreement. In September 2016, the Company prepaid an additional $60,000 under the Credit Agreement.

On September 30, 2016, the Company entered into an interest rate swap agreement, which has a maturity date of September 30, 2020, to fix the rate on $335,000 of the outstanding balance of the Credit Agreement. The rate is fixed at 1.198% per annum plus the credit spread of 3.50%.

On December 14, 2016, the Company entered into Amendment No. 2 (the “Re-pricing Amendment 2”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing Amendment 2 decreased the applicable margin for the Company’s term loan under the Credit Agreement to 2.75% for LIBOR borrowings and 1.75% for base rate borrowings and reset the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment. In November 2016, prior to the effectiveness of the Re-pricing Amendment 2, the Company prepaid an additional $40,000 of principal under the Credit Agreement. In March 2017, the Company prepaid $50,000 of principal under the Credit Agreement. After pre-payments of $200,000 and regularly scheduled principal payments of $4,966, the total outstanding principal balance was $575,034 as of March 31, 2017.

The Company incurred $28,747 of deferred finance fees, original issue discount and a re-pricing fee related to the term loans under the Term Loan Facility, which is included in long-term debt in the accompanying consolidated balance sheets and will be amortized to interest expense over the estimated life of the term loans using the effective interest method. A portion of these fees have been written-off in connection with the various debt pre-payments during 2016 and the first quarter of 2017. The remaining balance of the deferred finance fees, original issue discount and re-pricing fee related to the Term Loan Facility was $16,987 as of March 31, 2017.

Under the Credit Agreement, the Company is required to prepay outstanding term loans, subject to certain exceptions, with portions of its annual excess cash flow as well as with the net cash proceeds of certain asset sales, certain casualty and condemnation events and the incurrence or issuance of certain debt. The Company is also required to make scheduled quarterly payments each equal to 0.25% of the principal amount of the term loans outstanding on December 14, 2016 (the date of the Re-Pricing Amendment 2) less the amount of certain voluntary and mandatory repayments after such date, with the balance due on the seventh anniversary of the closing date.

All obligations under the Term Loan Facility are guaranteed by certain of the Company’s domestic subsidiaries, and are secured by substantially all of the Company’s assets and the assets of such subsidiaries, subject to certain exceptions and exclusions.

The Credit Agreement contains customary representations and warranties, affirmative and negative covenants and provisions relating to events of default. If an event of default occurs, the Lenders under the Term Loan Facility will be entitled to take various actions, including the acceleration of amounts due under the Term Loan Facility and all actions generally permitted to be taken by a secured creditor. At March 31, 2017, the Company was in compliance with all covenants under the Credit Agreement.

Senior Secured Asset-Based Revolving Credit Facility

In connection with the completion of the Newport Merger, the Company also entered into an asset-based credit agreement with Deutsche Bank AG New York Branch, as administrative agent and collateral agent, the other borrowers from time to time party thereto, and the lenders and letters of credit issuers from time to time party thereto (the “ABL Facility”), that provides senior secured financing of up to $50,000, subject to a borrowing base limitation. The borrowing base for the ABL Facility at any time equals the sum of: (a) 85% of certain eligible accounts; plus (b) subject to certain notice and field examination and appraisal requirements, the lesser of (i) the lesser of (A) 65% of the lower of cost or market value of certain eligible inventory and (B) 85% of the net orderly liquidation value of certain eligible inventory and (ii) 30% of the borrowing base; minus (c) reserves established by the administrative agent; provided that until the administrative agent’s receipt of a field examination of accounts receivable the borrowing base shall be equal to 70% of the book value of certain eligible accounts. The ABL Facility includes borrowing capacity in the form of letters of credit up to $15,000. The Company has not drawn against the ABL Facility.

20

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Borrowings under the ABL Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, and (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, plus, in each case, an initial applicable margin of 0.75%; and (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, plus an initial applicable margin of 1.75%. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the applicable margin for borrowings thereunder is subject to upward or downward adjustment each fiscal quarter, based on the average historical excess availability during the preceding quarter.

The Company incurred $1,201 of costs in connection with the ABL Facility, which were capitalized and included in other assets in the accompanying consolidated balance sheets and will be amortized to interest expense using the straight-line method over the contractual term of five years of the ABL Facility.

In addition to paying interest on outstanding principal under the ABL Facility, the Company is required to pay a commitment fee in respect of the unutilized commitments thereunder. The initial commitment fee is 0.375% per annum. The total commitment fee recognized in interest expense in 2016 was $128. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the commitment fee is subject to downward adjustment based on the amount of average unutilized commitments for the three month period immediately preceding such adjustment date. The Company must also pay customary letter of credit fees and agency fees.

Lines of Credit and Short-Term Borrowing Arrangements

One of the Company’s Japanese subsidiaries has lines of credit and short-term borrowing arrangements with two financial institutions which arrangements generally expire and are renewed at three month intervals. The lines of credit provided for aggregate borrowings as of March 31, 2017 of up to an equivalent of $20,547 U.S. dollars. One of the borrowing arrangements has an interest rate based on the Tokyo Interbank Offer Rate at the time of borrowing and the other has an interest rate based on the Japanese Short-Term Prime Lending Rate. There were no borrowings outstanding under these arrangements at March 31, 2017 and December 31, 2016.

The Company assumed various revolving lines of credit and a financing facility with the completion of the Newport Merger. These revolving lines of credit and financing facility have no expiration date and provided for aggregate borrowings as of March 31, 2017 of up to an equivalent of $11,167 U.S. dollars. These lines of credit have a base interest rate of 1.25% plus a Japanese Yen overnight LIBOR rate.

One of the Company’s Austrian subsidiaries has four outstanding loans from the Austrian government to fund research and development. These loans are unsecured and do not require principal repayment as long as certain conditions are met. Interest on these loans is payable semi-annually. The interest rates associated with these loans range from 0.75% - 2.00%.

	March 31, 2017		December 31, 2016
Short-term debt:
Japanese lines of credit	$	3,461	$	4,245
Japanese receivables financing facility		782		458
Other debt		98		8
Current portion of Term Loan Facility		6,282		6,282
	$	10,623	$	10,993

	March 31, 2017		December 31, 2016
Long-term debt:
Austrian loans due through March 2020	$	467	$	548
Term Loan Facility, net(1)		551,765		600,681
	$	552,232	$	601,229

⁽¹⁾  Net of deferred financing fees, original issuance discount and re-pricing fee of $16,987 and $19,642 as of March 31, 2017 and December 31, 2016, respectively.

21

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The Company recognized interest expense of $8,831 and $44 for the three months ended March 31, 2017 and 2016, respectively. The increase is primarily related to the Term Loan Facility.

Contractual maturities of the Company’s debt obligations as of March 31, 2017, are as follows:

Year	Amount
2017 (remaining)	$	9,053
2018		6,298
2019		6,687
2020		6,327
2021		6,282
2022		6,282
Thereafter		538,913

10) Product Warranties

The Company records the estimated costs to fulfill customer warranty obligations upon the recognition of the related revenue. While the Company engages in extensive product quality programs and processes, including actively monitoring and evaluating the quality of its component suppliers, the Company’s warranty obligation is affected by shipment volume, product failure rates, utilization levels, material usage, and supplier warranties on parts delivered to the Company. Should actual product failure rates, utilization levels, material usage, or supplier warranties on parts differ from the Company’s estimates, revisions to the estimated warranty liability would be required. The product warranty liability is included in other current liabilities in the consolidated balance sheets.

Product warranty activities were as follows:

	Three Months Ended March 31,
	2017			2016
Beginning of period	$	8,261		$	5,205
Provision for product warranties		3,014			783
Direct charges to warranty liability		(2,857	)		(984	)
Foreign currency translation		67			35
End of period	$	8,485		$	5,039

11) Income Taxes

The Company’s effective tax rate for the three months ended March 31, 2017 and 2016 was 15.8% and 26.2%, respectively. The effective tax rate for the three months ended March 31, 2017 and related income tax expense, was lower than the U.S. statutory tax rate mainly due to the geographic mix of income earned by the Company’s international subsidiaries being taxed at rates lower than the U.S. statutory tax rate, the deduction for domestic production activities and the windfall stock compensation tax benefit related to the adoption of a new accounting standard that became applicable during the quarter ended March 31, 2017.

The effective tax rate for the three months ended March 31, 2016 was lower than the U.S. statutory tax rate mainly due to the impact of lower tax rates on foreign income and the deduction for domestic production activities.

As of March 31, 2017, the total amount of gross unrecognized tax benefits, which excludes interest and penalties, was approximately $25,925. At December 31, 2016, the total amount of gross unrecognized tax benefits, which excludes interest and penalties, was approximately $25,465. As of March 31, 2017, if these benefits were recognized in a future period, the timing of which is not estimable, the net unrecognized tax benefit of $18,854, excluding interest and penalties, would impact the Company’s effective tax rate. The Company accrues interest expense, and if applicable, penalties, for any uncertain tax positions. Interest and penalties are classified as a component of income tax expense. As of March 31, 2017 and December 31, 2016, the Company had accrued interest on unrecognized tax benefits of approximately $469 and $491, respectively.    

Over the next 12 months it is reasonably possible that the Company may recognize approximately $1,702 of previously net unrecognized tax benefits related to various U.S. federal, state and foreign tax positions primarily as a result of the expiration of certain statutes of limitations.

22

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The Company and its subsidiaries are subject to examination by U.S. federal, state and foreign tax authorities. The U.S. statute of limitations remains open for tax years 2013 through present. The statute of limitations for the Company’s tax filings in other jurisdictions varies between fiscal years 2008 through present. We also have certain federal credit carry-forwards and state tax loss and credit carry-forwards that are open to examination for tax years 2000 through the present.

12) Pension Plans

As a result of the acquisition of Newport, the Company has assumed all assets and liabilities of Newport’s defined benefit pension plans, which cover substantially all of its full-time employees in France, Germany, Israel and Japan. In addition, there are certain pension liabilities relating to former employees in the United Kingdom. The German plan is unfunded, as permitted under the plan and applicable laws. The net periodic benefit costs during the three months ended March 31, 2017, were approximately $260 and the Company made contributions of $227 to these plans, during the three months ended March 31, 2017.

13) Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

	Three Months Ended March 31,
	2017		2016
Numerator:
Net income	$	65,060	$	17,563
Denominator:
Shares used in net income per common share – basic		53,769,000		53,235,000
Effect of dilutive securities:
Restricted stock units, stock appreciation rights and shares issued under employee stock purchase plan		1,189,000		328,000
Shares used in net income per common share – diluted		54,958,000		53,563,000
Net income per common share:
Basic	$	1.21	$	0.33
Diluted	$	1.18	$	0.33

Basic earnings per share (“EPS”) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation of basic EPS except that the denominator is increased to include the number of additional common shares that would have been outstanding (using the treasury stock method) if securities containing potentially dilutive common shares (restricted stock units and stock appreciation rights) had been converted to such common shares, and if such assumed conversion is dilutive.

For the three months ended March 31, 2017 and 2016, there were no weighted-average shares of restricted stock units or stock appreciation rights that would have had an anti-dilutive effect on EPS, and would thus need to be excluded from the computation of diluted weighted-average shares.

23

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

14) Stockholder’s Equity

Stock Repurchase Program

On July 25, 2011, the Company’s Board of Directors approved a share repurchase program for the repurchase of up to an aggregate of $200,000 of its outstanding common stock from time to time in open market purchases, privately negotiated transactions or through other appropriate means. The timing and quantity of any shares repurchased will depend upon a variety of factors, including business conditions, stock market conditions and business development activities, including, but not limited to, merger and acquisition opportunities. These repurchases may be commenced, suspended or discontinued at any time without prior notice. The Company has repurchased approximately 1,770,000 shares of common stock for approximately $52,000 pursuant to the program since its adoption.

There were no shares repurchased during the three months ended March 31, 2017. During the three months ended March 31, 2016, the Company repurchased approximately 45,000 shares of its common stock for $1,545, or an average price of $34.50 per share.

Cash Dividends

Holders of the Company’s common stock are entitled to receive dividends when they are declared by the Company’s Board of Directors. During the three months ended March 31, 2017, the Company’s Board of Directors declared a cash dividend of $0.175 per share, which dividends totaled $9,419. During the three months ended March 31, 2016, the Company’s Board of Directors declared a cash dividend of $0.17 per share, which dividends totaled $9,056. Future dividend declarations, if any, as well as the record and payment dates for such dividends, are subject to the final determination of the Company’s Board of Directors.

15) Stock Based Compensation

In connection with the completion of the Newport Merger, the Company assumed:

• all restricted stock units (“RSUs”) granted under any Newport equity plan that were outstanding immediately prior to the effective time of the Newport Merger, and as to which shares of Newport common stock were not fully distributed in connection with the closing of the Newport Merger, and

• all stock appreciation rights granted under any Newport equity plan, whether vested or unvested, that were outstanding immediately prior to the effective time of the Newport Merger.

As of the effective time of the Newport Merger, based on a formula provided in the Merger Agreement, (a) the Newport RSUs were converted automatically into RSUs with respect to 360,674 shares of the Company’s common stock (the “Assumed RSUs”), and (b) the Newport stock appreciation rights were converted automatically into stock appreciation rights with respect to 899,851 shares of the Company’s common stock (the “Assumed SARs”).

Included in the total number of Assumed RSUs were 36,599 RSUs for outside directors that were part of the Newport Deferred Compensation Plan (the “DC Plan”), from which 19,137 underlying shares were released in May 2016. As of March 31, 2017, 17,462 RSUs remained outstanding under the DC Plan, and an additional 234 shares were added to the DC Plan due to reinvested dividends. These Assumed RSUs will not become issued shares until their respective release dates.

The shares of the Company’s common stock that are subject to the Assumed SARs and the Assumed RSUs are issuable pursuant to the Company’s 2014 Stock Incentive Plan (the “Plan”).

The 1,260,525 shares of the Company’s common stock that are issuable pursuant to the Assumed RSUs and the Assumed SARs under the Plan were registered under the Securities Act of 1933, as amended (the “Securities Act”), on a registration statement on Form S-8. These shares are in addition to the 18,000,000 shares of the Company’s common stock reserved for issuance under the Plan and previously registered under the Securities Act on a registration statement on Form S-8.

During the three months ended March 31, 2017, the Company granted 171,179 RSUs with a weighted average grant date fair value of $66.06. There were no SARs granted during the three months ended March 31, 2017.

24

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The total stock-based compensation expense included in the Company’s consolidated statements of income and comprehensive income was as follows:

	Three Months Ended March 31, 2017		Three Months Ended March 31, 2016
Cost of revenues	$	930	$	440
Research and development expense		745		374
Selling, general and administrative expense		7,107		3,338
Total pre-tax stock-based compensation expense	$	8,782	$	4,152

At March 31, 2017, the total compensation expense related to unvested stock-based awards granted to employees, officers and directors under the Plan that had not been recognized was $23,759, net of estimated forfeitures. The future compensation expense is recognized on a straight-line basis over the requisite service period, net of estimated forfeitures except for retirement eligible employees in which the Company expenses the fair value of the grant in the period the grant is issued. The Company considers many factors when estimating expected forfeitures, including types of awards and historical experience. Actual results, and future changes in estimates, may differ substantially from the Company’s current estimates.

The following table presents the activity for RSUs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding RSUs			Weighted Average Grant Date Fair Value
RSUs – beginning of period		1,325,516		$	34.38
Accrued dividend shares		47			66.20
Granted		171,179			66.06
Vested		(499,743	)		33.59
Forfeited or expired		(34,180	)		33.50
RSUs – end of period		962,819		$	40.46

The following table presents the activity for SARs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding SARs			Weighted Average Grant Date Fair Value
SARs – beginning of period		599,334		$	28.10
Granted		—			—
Exercised		(120,206	)		25.81
Forfeited or expired		(9,563	)		25.58
SARs Outstanding – end of period		469,565		$	28.74

At March 31, 2017, the Company’s outstanding and exercisable SARs, the weighted-average base value, the weighted average remaining contractual life and the aggregate intrinsic value thereof, were as follows:

	Number of Shares		Weighted Average Base Value		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
SARs outstanding		469,565	$	28.74		3.9	$	18,787
SARs exercisable		398,868	$	28.32		3.7	$	16,127

25

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

16) Business Segment, Geographic Area, Product and Significant Customer Information

The Company is a global provider of instruments, subsystems and process control solutions that measure, control, deliver, power, monitor and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity. The Company also provides services relating to the maintenance and repair of products it sells, installation services and training.

The Company’s Chief Operating Decision Maker (“CODM”) utilizes financial information to make decisions about allocating resources and assessing performance for the entire Company, which is used in the decision making process to assess performance. Based upon the information provided to the CODM, the Company has determined it has two reportable segments.

Effective April 29, 2016, in conjunction with the Newport Merger, the Company changed its reportable segments based upon the organizational structure of the Company and how the CODM utilizes information provided to allocate resources and make decisions. The Company’s two reportable segments are: Vacuum & Analysis and Light & Motion. The Vacuum & Analysis segment represents the legacy MKS business and the Light & Motion segment represents the legacy Newport business.

The Vacuum & Analysis segment provides a broad range of instruments, components and subsystems which are derived from the Company’s core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, residual gas analysis, leak detection, control and information technology, ozone generation and delivery, RF & DC power, reactive gas generation and vacuum technology.

The Light & Motion segment provides a broad range of instruments, components and subsystems which are derived from the Company’s core competencies in lasers, photonics and optics.

The Company derives its segment results directly from the manner in which results are reported in its management reporting system. The accounting policies that the Company uses to derive reportable segment results are substantially the same as those used for external reporting purposes. The Company does not disclose external or intersegment revenues separately by reportable segment as this information is not presented to the CODM for decision making purposes.

The following is net revenues by reportable segment:

	Three Months Ended March 31,
	2017		2016
Vacuum & Analysis	$	277,984	$	183,681
Light & Motion		159,169		—
	$	437,153	$	183,681

The following is a reconciliation of segment gross profit to consolidated net income:

	Three Months Ended March 31,
	2017			2016
Gross profit by reportable segment:
Vacuum & Analysis	$	128,924		$	77,913
Light & Motion		76,623			—
Total gross profit by reportable segment		205,547			77,913
Operating expenses:
Research and development		33,282			17,227
Selling, general and administrative		74,220			33,950
Acquisition and integration costs		1,442			2,494
Restructuring		522			—
Amortization of intangible assets		12,501			1,683
Income from operations		83,580			22,559
Interest and other (expense) income, net		(6,295	)		1,246
Income before income taxes		77,285			23,805
Provision for income taxes		12,225			6,242
Net income	$	65,060		$	17,563

26

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

The following is capital expenditures by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Capital expenditures	$	2,374	$	1,725	$	4,099
Three Months Ended March 31, 2016:
Capital expenditures	$	2,156	$	—	$	2,156

The following is depreciation and amortization by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Depreciation and amortization	$	5,122	$	16,711	$	21,833
Three Months Ended March 31, 2016:
Depreciation and amortization	$	5,278	$	—	$	5,278

Total income tax expense is not presented by reportable segment because the necessary information is not available or used by the CODM.

The following is segment assets by reportable segment:

March 31, 2017:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	165,210	$	123,247	$	(21,208	)	$	267,249
Inventory, net		167,322		118,196		—			285,518
Total segment assets	$	332,532	$	241,443	$	(21,208	)	$	552,767
December 31, 2016:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	148,516	$	121,516	$	(21,275	)	$	248,757
Inventory, net		165,040		110,829		—			275,869
Total segment assets	$	313,556	$	232,345	$	(21,275	)	$	524,626

A reconciliation of segment assets to consolidated total assets is as follows:

	March 31, 2017		December 31, 2016
Total segment assets	$	552,767	$	524,626
Cash and cash equivalents, restricted cash and investments		426,418		433,231
Income tax receivable and other current assets		52,266		50,770
Property, plant and equipment, net		169,833		174,559
Goodwill and intangible assets, net		986,911		996,589
Other assets		32,352		32,467
Consolidated total assets	$	2,220,547	$	2,212,242

27

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Geographic

Information about the Company’s operations in different geographic regions is presented in the tables below. Net revenues to unaffiliated customers are based on the location in which the sale originated. Transfers between geographic areas are at negotiated transfer prices and have been eliminated from consolidated net revenues.

	Three Months Ended March 31,
	2017		2016
Net revenues:
United States	$	218,050	$	94,218
Korea		44,878		20,550
Japan		37,792		16,236
Asia (excluding Korea and Japan)		88,243		33,456
Europe		48,190		19,221
	$	437,153	$	183,681
Long-lived assets:(1)	March 31, 2017		December 31, 2016
United States	$	119,337	$	122,547
Europe		28,152		28,717
Asia		49,275		49,406
	$	196,764	$	200,670

⁽¹⁾  Long-lived assets include property, plant and equipment, net and certain other long-term assets, excluding long-term tax related accounts.

Goodwill associated with each of our reportable segments is as follows:

	March 31, 2017		December 31, 2016
Reportable segment:
Vacuum & Analysis	$	200,206	$	199,453
Light & Motion		390,296		389,132
Total goodwill	$	590,502	$	588,585

Worldwide Product Information

Because the reportable segment information above does not reflect worldwide sales of the Company’s products, the Company groups its products into seven groups of similar products based upon the similarity of product function. Worldwide net revenue for each group of products is as follows:

	Three Months Ended March 31,
	2017		2016
Analytical and Control Solutions Products	$	31,820	$	22,978
Materials Delivery Solutions Products		43,454		27,509
Power, Plasma and Reactive Gas Solutions Products		122,800		77,116
Pressure and Vacuum Measurement Products		79,910		56,078
Lasers Products		44,944		—
Optics Products		46,505		—
Photonics Products		67,720		—
	$	437,153	$	183,681

Sales of Analytical and Control Solutions Products; Materials Delivery Solutions Products; Power, Plasma and Reactive Gas Solutions Products; and Pressure and Vacuum Measurement Products are included in the Company’s Vacuum & Analysis segment. Sales of Lasers Products; Optics Products; and Photonics Products are included in the Light & Motion segment.

28

MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

Major Customers

The Company had two customers with net revenues greater than 10% of total net revenues in the periods shown as follows:

	Three Months Ended March 31,
	2017			2016
Applied Materials, Inc.		13.0	%		18.8	%
LAM Research Corporation		12.6	%		17.1	%

17) Restructuring

During the three months ended March 31, 2017 and 2016, the Company recorded restructuring charges of $522 and $0, respectively. The restructuring charges for the three months ended March 31, 2017 relate to the restructuring of one of our international facilities and the consolidation of certain sales offices.

The activity related to the Company’s restructuring accrual is shown below:

	Three Months Ended March 31, 2017
Balance at January 1	$	540
Charged to expense		522
Payments and adjustment		(347	)
Balance at March 31	$	715

18) Commitments and Contingencies

On March 9, 2016, a putative class action lawsuit captioned Dixon Chung v. Newport Corp., et al, Case No. A-16-733154-C, was filed in the District Court, Clark County, Nevada on behalf of a putative class of stockholders of Newport for claims related to the Merger Agreement between the Company, Newport, and Merger Sub. The complaint, filed on March 9, 2016, named as defendants the Company, Newport and Merger Sub, and certain then-current and former members of Newport’s former board of directors. The complaint alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, and by agreeing to unfair deal protection devices. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, monetary damages, and an award of attorneys’ and other fees and costs, among other relief. On March 25, 2016, the plaintiff in the Chung action filed an amended complaint, which adds certain allegations, including that the preliminary proxy statement filed by Newport on March 15, 2016 (the “Proxy”) omitted material information. The amended complaint also names as defendants the Company, Newport, Merger Sub, and then-current members of Newport’s board of directors.

Also on March 25, 2016, a second putative class action complaint captioned Hubert C. Pincon v. Newport Corp., et al., Case No. A-16-734039-B, was filed in the District Court, Clark County, Nevada, on behalf of a putative class of Newport’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and Merger Sub and the then-current members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, and an award of attorneys’ and other fees and costs, among other relief.

On April 14, 2016, the Court granted plaintiffs’ motion to consolidate the Pincon and Chung actions and appointed counsel in the Pincon action as lead counsel. Also on April 14, 2016, the Court granted plaintiffs’ motion for expedited discovery and scheduled a hearing on plaintiffs’ anticipated motion for a preliminary injunction for April 25, 2016. On April 20, 2016, plaintiffs filed a motion to vacate the hearing on their anticipated motion for a preliminary injunction and notified the Court that they did not presently intend to file a motion for a preliminary injunction regarding the Merger Agreement. On April 22, 2016, the Court vacated the hearing on plaintiffs’ anticipated motion for a preliminary injunction. In August, plaintiffs completed the expedited discovery that the Court ordered.

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MKS INSTRUMENTS, INC.

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (continued)

(in thousands, except share and per share data)

On October 19, 2016, plaintiffs filed an amended complaint captioned In re Newport Corporation Shareholder Litigation, Case No. A-16-733154-B, in the District Court, Clark County, Nevada, on behalf of a class of Newport’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and the then-current members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company and Newport aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks monetary damages, including pre- and post-judgment interest. On December 9, 2016, both the Company and the Newport defendants filed motions to dismiss. Plaintiffs filed an opposition to the motions to dismiss on January 13, 2017. On February 3, 2017, the Company and the Newport defendants filed their reply briefs in support of their motions to dismiss. A hearing on the motions to dismiss was held on February 15, 2017.

The Company believes that the claims asserted in the amended complaint have no merit and the Company, Newport and the named directors intend to defend vigorously against these claims.

The Company is subject to various legal proceedings and claims, which have arisen in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters will not have a material adverse effect on the Company’s results of operations, financial condition or cash flows.

19) Subsequent Events

In April 2017, the Company completed the sale of its Data Analytics Solutions business for approximately $80,000 and expects to record a pre-tax gain of approximately $75,000, during the second quarter of 2017. This business, which had net revenues in 2016 of $12,700 and was included in the Vacuum & Analysis segment, was no longer a part of the Company’s long-term strategic objectives.

The business did not qualify as a discontinued operation as this sale did not represent a strategic shift in the Company’s business, nor did the sale have a major effect on the Company’s operations, therefore, the results of operations for all periods are included in the Company’s income from operations.

The assets and liabilities of this business have not been reclassified or segregated in the consolidated balance sheet or consolidated statements of cash flows due to the immaterial amounts.

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

This Quarterly Report on Form 10-Q contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). When used herein, the words “believes,” “anticipates,” “plans,” “expects,” “estimates,” “would,” “will,” “intends” and similar expressions are intended to identify forward-looking statements. These forward-looking statements reflect management’s current opinions and are subject to certain risks and uncertainties that could cause results to differ materially from those stated or implied. While we may elect to update forward looking statements in the future, we specifically disclaim any obligation to do so even if our estimates or expectations change. Risks and uncertainties include, but are not limited to those discussed in our Annual Report on Form 10-K for the year ended December 31, 2016 in the section entitled “Risk Factors” as referenced in Part II, Item 1A “Risk Factors” of this Quarterly Report on Form 10-Q.

Overview

We are a global provider of instruments, subsystems and process control solutions that measure, control, power, deliver, monitor and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity. Our products are derived from our core competencies in automation and control, gas composition analysis, lasers, materials delivery, optics, photonics, pressure, power, reactive gas and vacuum. We also provide services related to the maintenance and repair of our products, installation services and training.

Our primary served markets are manufacturers of capital equipment for semiconductor manufacturing, electronic thin films, life and health sciences, process and industrial technologies, as well as research and defense.

Acquisition of Newport Corporation

On April 29, 2016, we completed our acquisition of Newport Corporation (“Newport”) pursuant to an Agreement and Plan of Merger dated as of February 22, 2016 (the “Newport Merger”). At the effective time of the Newport Merger, each share of Newport’s common stock issued and outstanding as of immediately prior to the effective time of the Newport Merger was converted into the right to receive $23.00 in cash, without interest and subject to deduction for any required withholding tax. We paid to the former Newport stockholders aggregate consideration of approximately $905 million, excluding related transaction fees and expenses, and repaid approximately $93 million of Newport’s U.S. indebtedness outstanding as of immediately prior to the effective time of the Newport Merger. We funded the payment of the aggregate consideration with a combination of our available cash on hand of approximately $240 million and the proceeds from the senior secured Term Loan Facility of $780 million described below.

Newport is a global supplier of advanced-technology products and systems to customers in the scientific research and defense/security, microelectronics, life and health sciences and industrial manufacturing markets.

Effective April 29, 2016, in conjunction with our acquisition of Newport, we changed the structure of our reportable segments based upon our organizational structure and how our Chief Operating Decision Maker utilizes information provided to allocate resources and make decisions. Our two reportable segments are the Vacuum & Analysis segment and the Light & Motion segment. The Vacuum & Analysis segment represents the legacy MKS business and the Light & Motion segment represents the legacy Newport business.

The Vacuum & Analysis segment provides a broad range of instruments, components and subsystems which are derived from our core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, residual gas analysis, leak detection, control and information technology, ozone generation and delivery, RF & DC power, reactive gas generation and vacuum technology. The Light & Motion segment provides a broad range of instruments, components and subsystems which are derived from our core competencies in lasers, photonics, sub-micron positioning, vibration isolation and optics.

Approximately 60% and 73% of our net revenues for the three months ended March 31, 2017 and 2016, respectively, were from sales to semiconductor capital equipment manufacturers and semiconductor device manufacturers. As a result of our acquisition of Newport, we estimate that sales to semiconductor capital equipment manufacturers and semiconductor device manufacturers could account for approximately 50% to 60% of our total sales in future periods.

Approximately 40% and 27% of our net revenues for the three months ended March 31, 2017 and 2016, respectively, were from other advanced manufacturing applications. These include, but are not limited to, electronic thin film, life and health sciences, process and industrial technologies and research and defense.

Net revenues from semiconductor capital equipment manufacture and semiconductor device manufacture customers increased by $125.4 million, or 93%, for the three months ended March 31, 2017, compared to the same period in the prior year. This increase is attributed to net

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semiconductor revenues from the Newport Merger of $41.3 million and net semiconductor revenues from the legacy MKS business (Vacuum & Analysis segment), which increased $84.1 million, or 62%, for the three months ended March 31, 2017, compared to the same period in the prior year. The semiconductor capital equipment industry is subject to rapid demand shifts, which are difficult to predict, and we are uncertain as to the timing or extent of future demand or any future weakness in the semiconductor capital equipment industry.

Our net revenues from customers in other advanced markets, which exclude semiconductor capital equipment and semiconductor device product applications, increased by $128.0 million, or 261%, for the three months ended March 31, 2017, compared to the same period in the prior year. This increase is attributed to net revenues from the Newport Merger of $117.8 million and net revenues from the legacy MKS business (Vacuum & Analysis segment) which increased by $10.2 million, or 21%, from customers in other advanced markets. Revenues from customers in other advanced markets are made up of many different markets including electronic thin film, life and health sciences, process and industrial technologies and research and defense.

A significant portion of our net revenues is from sales to customers in international markets. For the three months ended March 31, 2017 and 2016, international net revenues accounted for approximately 50% and 49% of our net revenues, respectively. A significant portion of our international net revenues were in Korea, Japan and Israel. We expect that international net revenues will continue to represent a significant percentage of our total net revenues.

Recent Events

Sale of Data Analytics Solutions business

In April 2017, we completed the sale of our Data Analytics Solutions business for approximately $80.0 million and expect to record a pre-tax gain of approximately $75.0 million, during the second quarter of 2017. This business, which had net revenues in 2016 of $12.7 million and was included in the Vacuum & Analysis segment, was no longer a part of our long-term strategic objectives.

The business did not qualify as a discontinued operation as this sale did not represent a strategic shift in our business, nor did the sale have a major effect on our operations, therefore, the results of operations for all periods are included in our income from operations. The assets and liabilities of this business have not been reclassified or segregated in the consolidated balance sheet or consolidated statements of cash flows due to the immaterial amounts.

Critical Accounting Policies and Estimates

The preparation of our consolidated financial statements and related disclosures in conformity with accounting principles generally accepted in the United States of America requires management to make judgments, assumptions and estimates that affect the amounts reported. There have been no material changes in our critical accounting policies since December 31, 2016. For further information, please see the discussion of critical accounting policies in our Annual Report on Form 10-K for the year ended December 31, 2016 in the section captioned “Management’s Discussion and Analysis of Financial Condition and Results of Operations – Critical Accounting Policies and Estimates.”

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Results of Operations

The following table sets forth, for the periods indicated, the percentage of total net revenues of certain line items included in our consolidated statements of operations and comprehensive income data.

	Three Months Ended March 31,
	2017			2016
Net revenues:
Product		89.9	%		83.6	%
Services		10.1			16.4
Total net revenues		100.0			100.0
Cost of revenues:
Cost of product revenues		46.9			46.5
Cost of service revenues		6.1			11.1
Total cost of revenues (exclusive of amortization shown separately below)		53.0			57.6
Gross profit		47.0			42.4
Research and development		7.6			9.4
Selling, general and administrative		17.0			18.4
Acquisition and integration costs		0.3			1.4
Restructuring		0.1			—
Amortization of intangible assets		2.9			0.9
Income from operations		19.1			12.3
Interest and other (expense) income, net		(1.4	)		0.7
Income from operations before income taxes		17.7			13.0
Provision for income taxes		2.8			3.4
Net income		14.9	%		9.6	%

Net Revenues

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Product	$	392.9	$	153.6
Service		44.2		30.1
Total net revenues	$	437.1	$	183.7

Product revenues increased $239.3 million during the three months ended March 31, 2017, compared to the same period in the prior year. This increase was primarily attributed to the Newport Merger, as revenues associated with Newport products were $146.4 million for the three months ended March 31, 2017. Product revenues increased for our legacy MKS business (Vacuum & Analysis segment) by $92.9 million for the three months ended March 31, 2017, compared to the same period in the prior year, primarily due to an increase in product revenues from our semiconductor capital equipment and semiconductor device manufacture customers of $83.1 million, primarily due to volume and an increase in product revenues from our electronic thin film market of $6.0 million.

Service revenues consisted mainly of fees for services related to the maintenance and repair of our products, installation and training. Service revenues increased $14.1 million during the three months ended March 31, 2017, compared to the same period in the prior year. This increase was primarily attributed to the Newport Merger, as revenues associated with Newport services were $12.7 million for the three months ended March 31, 2017. Service revenues increased for our legacy MKS business (Vacuum & Analysis segment) by $1.4 million for the three months ended March 31, 2017, compared to the same period in the prior year, primarily due to increases in service revenues from our semiconductor capital equipment and semiconductor device manufacture customers of $1.0 million.

Total international net revenues, including product and service, was $219.1 million for the three months ended March 31, 2017, or 50.1% of net revenues, compared to $89.5 million for the three months ended March 31, 2016, or 48.7% of net revenues. The increase in international revenues of $129.6 million primarily relates to $79.3 million from the Newport Merger. The remainder of the increase of $50.3 million is attributed to our legacy MKS business (Vacuum & Analysis) segment, primarily due to increases in revenue of $24.3 million in Korea, $6.4 million in Israel, $5.4 million in Shanghai, and $4.8 million in Singapore. The majority of our foreign revenues are from sales to customers in Asia, primarily in Korea, Japan and Israel.

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The following is our net revenues by reportable segment:

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Net revenues:
Vacuum & Analysis	$	278.0	$	183.7
Light & Motion		159.1		—
Total net revenues	$	437.1	$	183.7

Net revenues for our Vacuum & Analysis segment increased $94.3 million for the three months ended March 31, 2017, compared to the same period in the prior year, primarily due to an increase in net revenues from our semiconductor capital equipment and semiconductor device manufacture customers of $84.1 million and an increase in net revenues from customers in our electronic thin film markets of $6.1 million.

Net revenues from our Light & Motion segment was $159.1 million for the three months ended March 31, 2017. This segment represents the legacy Newport business, which was acquired during the second quarter of 2016.

Gross Profit

	Three Months Ended March 31,
	2017			2016			% Points Change
Gross profit as a percentage of net revenues:
Product		47.8	%		44.4	%		3.4	%
Service		40.0			32.1			7.9
Total gross profit		47.0	%		42.4	%		4.6	%

Gross profit as a percentage of net product revenues increased by 3.4 percentage points for the three months ended March 31, 2017, compared to the same period in the prior year. The increase was primarily attributed to 8.1 percentage points related to favorable revenue volumes, partially offset by a decrease of 2.2 percentage points due to unfavorable mix, 1.9 percentage points due to higher labor and overhead charges, resulting from the Newport Merger and 0.4 percentage points due to higher excess and obsolete inventory charges.

Gross profit as a percentage of net service revenues increased by 7.9 percentage points for the three months ended March 31, 2017, compared to the same period in the prior year. This increase was primarily attributed to 5.6 percentage points due to favorable material costs, primarily from an adjustment to material costs that we do not expect to reoccur in the future, and 3.1 percentage points due to favorable product mix. Cost of service revenues, including salaries and related expenses and other fixed costs, consists primarily of providing services for repair and training.

The following is gross profit as a percentage of net revenues by reportable segment:

	Three Months Ended March 31,
	2017			2016			% Points Change
Gross profit:
Vacuum & Analysis		46.4	%		42.4	%		4.0	%
Light & Motion		48.1			—			100.0
Total gross profit		47.0	%		42.4	%		4.6	%

Gross profit for our Vacuum & Analysis segment increased by 4.0 percentage points for the three months ended March 31, 2017, compared to the same period in the prior year, primarily as a result of higher revenue volumes, favorable labor and overhead charges, partially offset by unfavorable product mix.

Gross profit for our Light & Motion segment was 48.1% for the three months ended March 31, 2017. The Light & Motion segment was established in the second quarter of 2016 as a result of the Newport Merger.

Research and Development

	Three Months Ended March 31,
(dollars in millions	2017		2016
Research and development expenses	$	33.3	$	17.2

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Research and development expenses increased $16.1 million for the three months ended March 31, 2017, compared to the same period in the prior year. The increase was primarily attributed to $13.9 million from the Newport Merger, and consisted primarily of $10.2 million of compensation costs and related benefits, $1.6 million of project materials and $0.9 million of occupancy costs. The remaining increase of $2.2 million related to the legacy MKS business (Vacuum & Analysis segment) consisted primarily of $0.9 million for project materials and $0.6 million for variable compensation related costs.

Our research and development efforts are primarily focused on developing and improving our instruments, components, subsystems and process control solutions to improve process performance and productivity.

We have thousands of products and our research and development efforts primarily consist of a large number of projects related to these products, none of which is individually material to us. Current projects typically have durations of 3 to 30 months depending upon whether the product is an enhancement of existing technology or a new product. Our current initiatives include projects to enhance the performance characteristics of older products, to develop new products and to integrate various technologies into subsystems. These projects support in large part the transition in the semiconductor industry to smaller integrated circuit geometries and in the flat panel display and solar markets to larger substrate sizes, which require more advanced process control technology. Research and development expenses consist primarily of salaries and related expenses for personnel engaged in research and development, fees paid to consultants, material costs for prototypes and other expenses related to the design, development, testing and enhancement of our products.

We believe that the continued investment in research and development and ongoing development of new products are essential to the expansion of our markets, and we expect to continue to make significant investment in research and development activities. We are subject to risks if products are not developed in a timely manner, due to rapidly changing customer requirements and competitive threats from other companies and technologies. Our success primarily depends on our products being designed into new generations of equipment for the semiconductor industry and other advanced technology markets. We develop products that are technologically advanced so that they are positioned to be chosen for use in each successive generation of semiconductor capital equipment. If our products are not chosen to be designed into our customers’ products, our net revenues may be reduced during the lifespan of those products.

Selling, General and Administrative

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Selling, general and administrative expenses	$	74.2	$	34.0

Selling, general and administrative expenses increased by $40.2 million in the three months ended March 31, 2017, compared to the same period in the prior year. The increase was primarily attributed to $33.4 million from the Newport Merger, and consisted primarily of $20.0 million of compensation costs and related benefits, $2.2 million for depreciation expense, $2.1 million for commissions and $2.0 million for consulting and professional fees. The remaining increase of $6.8 million related to the legacy MKS business (Vacuum & Analysis segment) consisted primarily of $4.4 million for compensation costs and related benefits, primarily variable compensation, and $1.0 million for consulting and professional fees.

Acquisition and Integration Costs

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Acquisition and integration costs	$	1.4	$	2.5

We incurred $1.4 million and $2.5 million of acquisition and integration costs for the three months ended March 31, 2017 and 2016, respectively, related to the Newport Merger. These costs were primarily related to legal and other professional fees.

Restructuring

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Restructuring	$	0.5	$	—

Restructuring expense for the three months ended March 31, 2017, relates to the restructuring of one of our international facilities and the consolidation of certain sales offices.

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Amortization of Intangible Assets

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Amortization of intangible assets	$	12.5	$	1.7

Amortization increased by $10.8 million during the three months ended March 31, 2017, compared to the same period in the prior year. This increase was primarily attributed to the amortization of intangible assets acquired in the Newport Merger.

Interest (Expense) Income, Net

	Three Months Ended March 31,
(dollars in millions)	2017			2016
Interest (expense) income, net	$	(8.3	)	$	0.9

Interest expense, net, increased by $9.2 million during the three months ended March 31, 2017, compared to the same period in the prior year. This increase is primarily attributed to $8.8 million of interest expense related to our Term Loan Facility.

Other income

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Other income	$	2.0	$	0.4

Other income increased by $1.6 million and relates primarily to favorable foreign exchange.

Provision for Income Taxes

	Three Months Ended March 31,
(dollars in millions)	2017		2016
Provision for income taxes	$	12.2	$	6.2

Our effective tax rate for the three months ended March 31, 2017 and 2016 was 15.8% and 26.2%, respectively. The effective tax rate for the three months ended March 31, 2017, was lower than the U.S. statutory tax rate mainly due to the geographic mix of income and profits earned by our international subsidiaries being taxed at rates lower than the U.S. statutory tax rate, the deduction for domestic production activities and the stock compensation benefit related to the adoption of a new accounting standard that became applicable during the quarter ended March 31, 2017. Our effective tax rate for the three months ended March 31, 2016 was lower than the U.S. statutory tax rate due to the impact of lower tax rates on profits earned by our international subsidiaries and the impact of the deduction for domestic production activities.

Our future effective tax rate depends on various factors, including the impact of tax legislation, the geographic composition of our pre-tax income, and changes in tax reserves for unrecognized tax benefits. We monitor these factors and timely adjust our estimates of the effective tax rate accordingly. We expect that the geographic mix of pre-tax income will continue to have a favorable impact on our effective tax rate however the geographic mix of pre-tax income can change based on multiple factors resulting in changes to the effective tax rate in future periods. We also expect that the impact of the windfall stock compensation tax benefit on the tax rate will vary significantly from quarter to quarter due to the timing of vesting and exercise of stock grants and the impact of changes in our stock price.

Our effective tax rate could be adversely affected by changes in the valuation of deferred tax assets and liabilities. In particular, the carrying value of deferred tax assets, which are predominantly in the United States, is dependent on our ability to generate sufficient future taxable income in the United States.

Additionally, the recognition and measurement of certain tax benefits include estimates and judgment by management. Accordingly, we could record additional provisions or benefits for U.S. federal, state, and foreign taxes matters in future periods as new information becomes available.

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Liquidity and Capital Resources

Cash and cash equivalents and short-term marketable investments totaled $411.2 million at March 31, 2017, compared to $418.1 million at December 31, 2016.

Net cash provided by operating activities was $66.1 million for the three months ended March 31, 2017, and resulted from net income of $65.1 million, which included non-cash charges of $36.9 million, offset by a net increase in working capital of $35.9 million. The net increase in working capital was primarily due to a decrease in accrued compensation of $16.8 million, as year-end bonuses were paid, an increase in trade accounts receivable of $15.2 million and an increase in inventories of $11.7 million, related to an increase in business activities and an increase in other current assets of $1.5 million. These increases in working capital were partially offset by an increase in income taxes of $8.1 million and an increase in other current and non-current liabilities of $1.1 million.

Net cash provided by operating activities was $23.2 million for the three months ended March 31, 2016, and resulted from net income of $17.6 million, which included non-cash charges of $12.6 million, offset by a net increase in working capital of $7.0 million. The net increase in working capital was primarily due to an increase in trade accounts receivable of $10.1 million, related to an increase in business activities, a decrease in accrued compensation of $7.1 million and an increase in other current assets of $3.6 million. These increases in working capital were partially offset by an increase in accrued liabilities of $7.7 million, an increase in accounts payable of $4.8 million and an increase in income taxes of $2.3 million.

Net cash provided by investing activities was $30.5 million for the three months ended March 31, 2017, and resulted from $34.6 million of net sale and maturities of short-term investments, partially offset by $4.1 million in purchases of production-related equipment. Net cash provided by investing activities was $120.9 million for the three months ended March 31, 2016 and resulted primarily from $123.1 million of net sale and maturities of short-term investments which was used to partially finance the Newport acquisition, partially offset by $2.2 million in purchases of production-related equipment.

Net cash used in financing activities was $64.7 million for the three months ended March 31, 2017, and resulted primarily from $51.6 million used for the partial repayment of the Term Loan Facility used to finance the Newport Merger ($50 million was pre-paid and $1.6 million was a regularly scheduled payment of principal), $9.4 million of dividend payments made to common stockholders and $2.9 million of net payments related to tax payments for employee stock awards. Net cash used in financing activities was $13.0 million for the three months ended March 31, 2016, and resulted primarily from $9.1 million of dividend payments made to common stockholders, $2.6 million of net payments related to tax payments for employee stock awards and $1.5 million used in the repurchase of our common stock.

On July 25, 2011, our Board of Directors approved a share repurchase program for the repurchase of up to an aggregate of $200 million of our outstanding common stock from time to time in open market purchases, privately negotiated transactions or through other appropriate means. The timing and quantity of any shares repurchased depends upon a variety of factors, including business conditions, stock market conditions and business development activities, including but not limited to merger and acquisition opportunities. These repurchases may be commenced, suspended or discontinued at any time without prior notice.

During the three months ended March 31, 2017, there were no repurchases of our common stock. During the three months ended March 31, 2016, we repurchased approximately 45,000 shares of our common stock for $1.5 million, or an average price of $34.50 per share.

During the three months ended March 31, 2017, our Board of Directors declared a cash dividend of $0.175 per share that totaled $9.4 million. During the three months ended March 31, 2016, our Board of Directors declared a cash dividend of $0.17 per share that totaled $9.1 million. Future dividend declarations, if any, as well as the record and payment dates for such dividends, are subject to the final determination of our Board of Directors. In addition, under the terms of our senior secured Term Loan Facility and our senior secured asset-based revolving credit facility, we may be restricted from paying dividends under certain circumstances.

Our total cash and cash equivalents and short-term marketable investments at March 31, 2017, consisted of $152.0 million held in the United States and $259.2 million held by our foreign subsidiaries, substantially all of which would be subject to tax in the United States if returned to the United States. We believe our existing United States cash and short-term investment balances are adequate to meet domestic operating needs, including estimated working capital, planned capital expenditure requirements, payment of debt and any future cash dividends, if declared, during the next twelve months and the foreseeable future.

On April 27, 2016, we invested $9.3 million for a minority interest in a private company, which operates in the field of semiconductor process equipment instrumentation. We accounted for this investment using the cost method of accounting. During the fourth quarter of 2016, we recognized an impairment loss on this investment of $5.0 million.

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Sale of Data Analytics Solutions business

In April 2017, we completed the sale of our Data Analytics Solutions business for approximately $80.0 million and expect to record a pre-tax gain of approximately $75.0 million, during the second quarter of 2017. This business, which had net revenues in 2016 of $12.7 million and was included in the Vacuum & Analysis segment, was no longer a part of our long-term strategic objectives.

Term Loan Credit Agreement

In connection with the completion of the Newport Merger, we entered into a term loan credit agreement (the “Credit Agreement”) with Barclays Bank PLC, as administrative agent and collateral agent, and the lenders from time to time party thereto (the “Lenders”), that provided senior secured financing of $780.0 million, subject to increase at our option in accordance with the Credit Agreement (the “Term Loan Facility”). Borrowings under the Term Loan Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, and (4) a floor of 1.75%, plus, in each case, an applicable margin (that was initially 3.00% and was decreased as described below); or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, subject to a LIBOR rate floor of 0.75%, plus an applicable margin (that was initially 4.00% and was decreased as described below). We have elected the interest rate as described in clause (b). The Term Loan Facility was issued with original issue discount of 1.00% of the principal amount thereof.

In June 2016, we entered into Amendment No. 1 (the “Re-pricing Amendment 1”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing Amendment 1 decreased the applicable margin for borrowings under our Term Loan Facility to 2.50% for base rate borrowings and 3.50% for LIBOR borrowings and extended the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment 1. In connection with the execution of the Re-pricing Amendment 1, we paid a pre-payment premium of 1.00%, or $7.3 million, as well as certain fees and expenses of the administrative agent and the Lenders, in accordance with the terms of the Credit Agreement. Immediately prior to the effectiveness of the Re-pricing Amendment 1, we prepaid $50.0 million of principal under the Credit Agreement. In September 2016, we prepaid an additional $60.0 million under the Credit Agreement.

In September 2016, we entered into an interest rate swap agreement, which has a maturity date of September 30, 2020, to fix the rate on $335.0 million of the outstanding balance of the Credit Agreement. The rate is fixed at 1.198% per annum plus the credit spread of 3.50%.

In December 2016, we entered into Amendment No. 2 (the “Re-pricing Amendment 2”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing Amendment 2 decreased the applicable margin for the Company’s term loan under the Credit Agreement to 2.75% for LIBOR borrowings and 1.75% for base rate borrowings and reset the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment. In November 2016, prior to the effectiveness of the Re-pricing Amendment 2, we prepaid an additional $40.0 million of principal under the Credit Agreement. In March 2017, the Company prepaid $50.0 million of principal under the Credit Agreement. After pre-payments of $200.0 million and regularly scheduled principal payments of $5.0 million, the total outstanding principal balance was $575.0 million as of March 31, 2017.

We incurred $28.7 million of deferred finance fees, original issue discount and a re-pricing fee related to the term loans under the Term Loan Facility, which are included in long-term debt in the accompanying consolidated balance sheets and will be amortized to interest expense over the estimated life of the term loans using the effective interest method. A portion of these fees have been written-off in connection with the various debt pre-payments during 2016. The remaining balance of the deferred finance fees, original issue discount and re-pricing fee related to the Term Loan Facility was $17.0 million as of March 31, 2017.

Under the Credit Agreement, we are required to prepay outstanding term loans, subject to certain exceptions, with portions of our annual excess cash flow as well as with the net cash proceeds of certain asset sales, certain casualty and condemnation events and the incurrence or issuance of certain debt. We are also required to make scheduled quarterly payments each equal to 0.25% of the principal amount of the term loans outstanding on December 14, 2016 (the date of the Re-Pricing Amendment 2) less the amount of certain voluntary and mandatory repayments after such date, with the balance due on the seventh anniversary of the closing date.

All obligations under the Term Loan Facility are guaranteed by certain of our domestic subsidiaries, and are secured by substantially all of our assets and the assets of such subsidiaries, subject to certain exceptions and exclusions.

The Credit Agreement contains customary representations and warranties, affirmative and negative covenants and provisions relating to events of default. If an event of default occurs, the Lenders under the Term Loan Facility will be entitled to take various actions, including the acceleration of amounts due under the Term Loan Facility and all actions generally permitted to be taken by a secured creditor. At March 31, 2017, we were in compliance with all covenants under the Credit Agreement.

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Senior Secured Asset-Based Revolving Credit Facility

In connection with the completion of the Newport Merger, we also entered into an asset-based credit agreement with Deutsche Bank AG New York Branch, as administrative agent and collateral agent, the other borrowers from time to time party thereto, and the lenders and letters of credit issuers from time to time party thereto (the “ABL Facility”), that provides senior secured financing of up to $50.0 million, subject to a borrowing base limitation. The borrowing base for the ABL Facility at any time equals the sum of: (a) 85% of certain eligible accounts; plus (b) subject to certain notice and field examination and appraisal requirements, the lesser of (i) the lesser of (A) 65% of the lower of cost or market value of certain eligible inventory and (B) 85% of the net orderly liquidation value of certain eligible inventory and (ii) 30% of the borrowing base; minus (c) reserves established by the administrative agent; provided that until the administrative agent’s receipt of a field examination of accounts receivable the borrowing base shall be equal to 70% of the book value of certain eligible accounts. The ABL Facility includes borrowing capacity in the form of letters of credit up to $15.0 million. We have not drawn against the ABL Facility.

Borrowings under the ABL Facility bear interest per annum at one of the following rates selected by us: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, and (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, plus, in each case, an initial applicable margin of 0.75%; and (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, plus an initial applicable margin of 1.75%. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the applicable margin for borrowings thereunder is subject to upward or downward adjustment each fiscal quarter, based on the average historical excess availability during the preceding quarter.

We have incurred $1.2 million of costs in connection with the ABL Facility, which were capitalized and included in other assets in the accompanying consolidated balance sheets and will be amortized to interest expense using the straight-line method over the contractual term of five years of the ABL Facility.

In addition to paying interest on outstanding principal under the ABL Facility, we are required to pay a commitment fee in respect of the unutilized commitments thereunder. The initial commitment fee is 0.375% per annum. The total commitment fee recognized in interest expense in 2016 was $0.1 million. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the commitment fee is subject to downward adjustment based on the amount of average unutilized commitments for the three month period immediately preceding such adjustment date. We must also pay customary letter of credit fees and agency fees.

Lines of Credit and Short-Term Borrowing Arrangements

One of our Japanese subsidiaries has lines of credit and short-term borrowing arrangements with two financial institutions which arrangements generally expire and are renewed at three month intervals. The lines of credit provided for aggregate borrowings as of March 31, 2017, of up to an equivalent of $20.5 million U.S. dollars. One of the borrowing arrangements has an interest rate based on the Tokyo Interbank Offer Rate at the time of borrowing and the other has an interest rate based on the Japanese Short-Term Prime Lending Rate. There were no borrowings outstanding under these arrangements at March 31, 2017 and December 31, 2016.

We assumed various revolving lines of credit and a financing facility with the completion of the Newport Merger. These revolving lines of credit and financing facility have no expiration date and provided for aggregate borrowings as of March 31, 2017, of up to an equivalent of $11.2 million U.S. dollars. These lines of credit have a base interest rate of 1.25% plus a Japanese Yen overnight LIBOR rate.

One of our Austrian subsidiaries has four outstanding loans from the Austrian government to fund research and development. These loans are unsecured and do not require principal repayment as long as certain conditions are met. Interest on these loans is payable semi-annually. The interest rates associated with these loans range from 0.75% - 2.00%.

Off-Balance Sheet Arrangements

We do not have any financial partnerships with unconsolidated entities, such as entities often referred to as structured finance, special purpose entities or variable interest entities, which are often established for the purpose of facilitating off-balance sheet arrangements or for other contractually narrow or limited purposes. Accordingly, we have no off-balance sheet arrangements that have or are reasonably expected to have a current or future effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that are material to investors.

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Recently Issued Accounting Pronouncements

In March 2017, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2017-07, “Compensation-Retirement Benefits (Topic 715)-Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” This standard requires that an employer disaggregate the service cost component from the other components of net benefit cost. This standard also provides explicit guidance on how to present the service cost component and the other components of the net benefit cost in the income statement and allows only the service cost component of net benefit cost to be eligible for capitalization. The provisions of this ASU are effective for annual periods beginning after December 31, 2017, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. We do not expect adoption of this ASU to have a material impact on our consolidated financial statements.

In January 2017, the (“FASB”) issued ASU 2017-04, “Intangibles-Goodwill and Other (Topic 350).” This standard simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of goodwill. The provisions of this ASU are effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. We expect to adopt this new standard in 2017 when we perform our annual goodwill impairment test in the fourth quarter. The adoption of this ASU is not expected to have a material impact on our consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805)-Clarifying the Definition of a Business.” This standard clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This standard also provides a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is applicable under certain circumstances. We do not expect adoption of this ASU to have a material impact on our consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230)-Restricted Cash,” an amendment to ASU 2016-15. This standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash and restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. Early adoption is permitted. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and should be applied at the time of adoption of ASU 2016-15. We do not expect adoption of this ASU to have a material impact on our consolidated financial statements.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740)-Intra-Entity Transfer of Assets Other Than Inventory.” This standard requires that an entity recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs as opposed to when the assets have been sold to an outside party. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and early adoption is permitted. We are currently evaluating the requirements of this ASU and have not yet determined its impact on our consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230)-Classification of Certain Cash Receipts and Cash Payments.” This standard addresses eight specific cash flow issues with the objective of addressing the diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows under Topic 230. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. We are currently evaluating the requirements of this ASU and have not yet determined its impact on our consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” This standard requires the recognition of lease assets and liabilities for all leases, with certain exceptions, on the balance sheet. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. This ASU is effective for annual periods beginning after December 15, 2018, including interim periods within those fiscal years. We are currently evaluating the requirements of this ASU and have not yet determined its impact on our consolidated financial statements.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments—Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” This ASU provides guidance for the recognition, measurement, presentation, and disclosure of financial instruments. The new pronouncement revises accounting related to equity investments and the presentation of certain fair value changes for financial assets and liabilities measured at fair value. Among other things, it amends the presentation and disclosure requirements of equity securities that do not result in consolidation and are not accounted for under the equity method. Changes in the fair value of these equity securities will be recognized directly in net income. This pronouncement is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. We do not expect adoption of this ASU to have a material impact on our consolidated financial statements.

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In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 provides for a single comprehensive model to use in accounting for revenue arising from contracts with customers and will replace most existing revenue recognition guidance in Generally Accepted Accounting Principles when it becomes effective. ASU 2014-09 is effective for fiscal years and interim periods within those years beginning after December 15, 2017. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. We do not plan to early adopt the standard, but have preliminarily concluded that we will use the modified retrospective method upon adoption in the first quarter of 2018.

In March, April, May and December 2016, the FASB issued additional updates to the new revenue standard relating to reporting revenue on a gross versus net basis, identifying performance obligations and licensing arrangements, narrow-scope improvements and practical expedients, and technical corrections and improvements, respectively. We have reviewed our plan for the implementation and will continue to report the status against that plan with our Audit Committee. We have established a cross functional project steering committee and implementation team to identify potential differences that would result from applying the requirements of the new standard to the our revenue contracts and related expense line items. We have identified the various revenue streams, including product revenues, service revenues, installation and training, that could be impacted by Topic 606 and has started to review individual customer contracts related to these revenue streams to determine if any material differences exist between the current revenue standard, Accounting Standards Codification Topic 605 and Topic 606. In the second quarter of 2017, we will be reviewing the additional disclosure requirements of the new standard and the potential impact on its internal control structure and revenue recognition policy. We have not completed our assessment of the new revenue recognition standard and have not yet determined the impact on our consolidated financial statements. We anticipate that we will complete our assessment of the new standard and its potential financial impact by the end of the third quarter of 2017.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

Information concerning market risk is contained in the section entitled “Quantitative and Qualitative Disclosures About Market Risk” contained in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission on March 1, 2017. As of March 31, 2017, there were no material changes in our exposure to market risk from December 31, 2016.

ITEM 4. CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of March 31, 2017. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), means controls and other procedures of an issuer that are designed to ensure that information required to be disclosed by the issuer in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Exchange Act is accumulated and communicated to the issuer’s management, including its principal executive and principal financial officers, or persons performing similar functions as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of March 31, 2017, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms and is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer as appropriate to allow timely decisions regarding required disclosure.

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Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the quarter ended March 31, 2017, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS.

On March 9, 2016, a putative class action lawsuit captioned Dixon Chung v. Newport Corp., et al, Case No. A-16-733154-C, was filed in the District Court, Clark County, Nevada on behalf of a putative class of the Company’s stockholders for claims related to the February 22, 2016 Agreement and Plan of Merger (the “Merger Agreement”) between the Company, Newport Corporation (“Newport”), and PSI Equipment, Inc., a Nevada corporation and a wholly owned subsidiary of the Company, which was merged with Newport on April 29, 2016 and is the surviving corporation of such merger (“Merger Sub”). The complaint names as defendants the Company, Newport, Merger Sub, and certain then-current and former members of Newport’s former board of directors. The complaint alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, and by agreeing to unfair deal protection devices. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, monetary damages, and an award of attorneys’ and other fees and costs, among other relief. On March 25, 2016, the plaintiff in the Chung action filed an amended complaint, which adds certain allegations, including that the definitive proxy statement filed by Newport on March 29, 2016 (“the Proxy”) omitted material information. The amended complaint also names as defendants the Company, Newport, Merger Sub, and then-current members of Newport’s board of directors.

Also on March 25, 2016, a second putative class action complaint captioned Hubert C. Pincon v. Newport Corp., et al., Case No. A-16-734039-B, was filed in the District Court, Clark County, Nevada, on behalf of a putative class of the Company’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and Merger Sub and the members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, and an award of attorneys’ and other fees and costs, among other relief.

On April 14, 2016, the Court granted plaintiffs’ motion to consolidate the Pincon and Chung actions and appointed counsel in the Pincon action as lead counsel. Also on April 14, 2016, the Court granted plaintiffs’ motion for expedited discovery and scheduled a hearing on plaintiffs’ anticipated motion for a preliminary injunction for April 25, 2016. On April 20, 2016, plaintiffs filed a motion to vacate the hearing on their anticipated motion for a preliminary injunction and notified the Court that they did not presently intend to file a motion for a preliminary injunction regarding the Merger Agreement. On April 22, 2016, the Court vacated the hearing on plaintiffs’ anticipated motion for a preliminary injunction. In August, plaintiffs completed the expedited discovery that the court ordered.

On October 19, 2016, plaintiffs filed an amended complaint captioned In re Newport Corporation Shareholder Litigation, Case No. A-16-733154-B, in the District Court, Clark County, Nevada, on behalf of a class of Newport’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and the then-current members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company and Newport aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks monetary damages, including pre- and post-judgment interest. On December 9, 2016, both the Company and the Newport defendants filed motions to dismiss. Plaintiffs filed an opposition to the motions to dismiss on January 13, 2017. On February 3, 2017, the Company and the Newport defendants filed their reply briefs in support of their motions to dismiss. A hearing on the motions to dismiss was held on February 15, 2017.

The Company believes that the claims asserted in the amended complaint have no merit and the Company, Newport and the named directors intend to defend vigorously against these claims.

The Company is subject to various legal proceedings and claims, which have arisen in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters will not have a material adverse effect on the Company’s results of operations, financial condition or cash flows.

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ITEM 1A. RISK FACTORS.

Information regarding risk factors affecting the Company’s business are discussed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016 in the section entitled “Risk Factors.” There have been no material changes from the risks disclosed therein.

ITEM 6. EXHIBITS.

The exhibits filed as part of this quarterly report on Form 10-Q are listed in the exhibit index immediately preceding the exhibits and are incorporated herein.

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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.

		MKS INSTRUMENTS, INC.
May 9, 2017	By:	/s/ Seth H. Bagshaw
		Seth H. Bagshaw
		Vice President, Chief Financial Officer and Treasurer
		(Principal Financial Officer)

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EXHIBIT INDEX

Exhibit No.	Exhibit Description
+3.1(1)	Restated Articles of Organization of the Registrant
+3.2(2)	Articles of Amendment to Restated Articles of Organization, as filed with the Secretary of State of Massachusetts on May 18, 2001
+3.3(3)	Articles of Amendment to Restated Articles of Organization, as filed with the Secretary of State of Massachusetts on May 16, 2002
+3.4(4)	Amended and Restated By-Laws of the Registrant
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema Document.
101.CAL	XBRL Taxonomy Calculation Linkbase Document.
101.LAB	XBRL Taxonomy Labels Linkbase Document.
101.PRE	XBRL Taxonomy Presentation Linkbase Document.
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.

+    Previously filed

(1) Incorporated by reference to the Registration Statement on Form S-4 (File No. 333-49738) filed with the Securities and Exchange Commission on November 13, 2000.

(2) Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2001.

(3) Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2002.

(4) Incorporated by reference to the Registrant’s Current Report on Form 8-K filed with the Securities and Exchange Commission on May 6, 2014.

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EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO RULE 13a-14(a)/RULE 15d-14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Gerald G. Colella, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of MKS Instruments, Inc.;

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

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

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

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

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

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

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

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of 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: May 9, 2017	/s/ Gerald G. Colella
	Gerald G. Colella
	Chief Executive Officer and President
	(Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO RULE 13a-14(a)/RULE 15d-14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Seth H. Bagshaw, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of MKS Instruments, Inc.;

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

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

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

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

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

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

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

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of 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: May 9, 2017	/s/ Seth H. Bagshaw
	Seth H. Bagshaw
	Vice President, Chief Financial Officer and Treasurer
	(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of MKS Instruments, Inc. (the “Company”) for the period ended March 31, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Gerald G. Colella, Chief Executive Officer and President of the Company, and Seth H. Bagshaw, Vice President, Chief Financial Officer and Treasurer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, based on his knowledge:

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

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

Dated: May 9, 2017	/s/ Gerald G. Colella
	Gerald G. Colella
	Chief Executive Officer and President
Dated: May 9, 2017	/s/ Seth H. Bagshaw
	Seth H. Bagshaw
	Vice President, Chief Financial Officer and Treasurer

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	May 02, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Trading Symbol	MKSI
Entity Registrant Name	MKS INSTRUMENTS INC
Entity Central Index Key	0001049502
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		54,108,231

XML

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 255,912	$ 228,623
Restricted cash	5,274	5,287
Short-term investments	155,299	189,463
Trade accounts receivable, net	267,249	248,757
Inventories, net	285,518	275,869
Other current assets	52,266	50,770
Total current assets	1,021,518	998,769
Property, plant and equipment, net	169,833	174,559
Goodwill	590,502	588,585
Intangible assets, net	396,409	408,004
Long-term investments	9,933	9,858
Other assets	32,352	32,467
Total assets	2,220,547	2,212,242
Current liabilities:
Short-term borrowings and current portion of long-term debt	10,623	10,993
Accounts payable	70,493	69,337
Accrued compensation	50,034	67,728
Income taxes payable	27,469	22,794
Deferred revenue	16,197	14,463
Other current liabilities	55,580	51,985
Total current liabilities	230,396	237,300
Long-term debt	552,232	601,229
Non-current deferred taxes	64,221	66,446
Non-current accrued compensation	46,201	44,714
Other liabilities	22,092	20,761
Total liabilities	915,142	970,450
Commitments and contingencies (Note 18)
Stockholders' equity:
Preferred Stock, $0.01 par value per share, 2,000,000 shares authorized; none issued and outstanding
Common Stock, no par value, 200,000,000 shares authorized; 53,886,862 and 53,672,861 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	113	113
Additional paid-in capital	783,371	777,482
Retained earnings	550,385	494,744
Accumulated other comprehensive loss	(28,464)	(30,547)
Total stockholders' equity	1,305,405	1,241,792
Total liabilities and stockholders' equity	$ 2,220,547	$ 2,212,242

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	53,886,862	53,672,861
Common stock, shares outstanding	53,886,862	53,672,861

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Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Net revenues:
Products		$ 392,922	$ 153,621
Services		44,231	30,060
Total net revenues		437,153	183,681
Cost of revenues:
Cost of products		205,060	85,352
Cost of services		26,546	20,416
Total cost of revenues (exclusive of amortization shown separately below)		231,606	105,768
Gross profit		205,547	77,913
Research and development		33,282	17,227
Selling, general and administrative		74,220	33,950
Acquisition and integration costs		1,442	2,494
Restructuring		522	0
Amortization of intangible assets		12,501	1,683
Income from operations		83,580	22,559
Interest income		516	924
Interest expense		8,832	44
Other income		2,021	366
Income before income taxes		77,285	23,805
Provision for income taxes		12,225	6,242
Net income		65,060	17,563
Other comprehensive income:
Changes in value of financial instruments designated as cash flow hedges, net of tax benefit	[1]	(2,440)	(1,546)
Foreign currency translation adjustments, net of tax of $0		4,534	2,652
Unrecognized pension gain, net of tax expense	[2]	115
Unrealized (loss) gain on investments, net of tax (benefit) expense	[3]	(126)	378
Total comprehensive income		$ 67,143	$ 19,047
Net income per share:
Basic		$ 1.21	$ 0.33
Diluted		1.18	0.33
Cash dividends per common share		$ 0.175	$ 0.170
Weighted average common shares outstanding:
Basic		53,769	53,235
Diluted		54,958	53,563

[1] Tax benefit was $1,831 and $1,041 for the three months ended March 31, 2017 and 2016, respectively.

[2] Tax expense of $86 and $0 for the three months ended March 31, 2017 and 2016, respectively.

[3] Tax (benefit) expense was $(94) and $254 for the three months ended March 31, 2017 and 2016, respectively.

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Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Tax benefit on changes in value of financial instruments designated as cash flow hedges	$ 1,831	$ 1,041
Tax on foreign currency translation adjustments	0	0
Tax expense on unrecognized net pension gain	86	0
Tax (benefit) expense on unrealized (loss) gain on investments	$ (94)	$ 254

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows provided by operating activities:
Net income	$ 65,060	$ 17,563
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,833	5,278
Amortization of debt issuance costs, original issue discount and soft call premium	2,715
Stock-based compensation	8,782	4,152
Provision for excess and obsolete inventory	5,031	2,948
Provision for bad debt	316	17
Deferred income taxes	(1,809)	347
Excess tax benefits from stock-based compensation		(233)
Other	85	68
Changes in operating assets and liabilities:
Trade accounts receivable	(15,215)	(10,084)
Inventories	(11,714)	(844)
Income taxes	8,067	2,316
Other current assets	(1,525)	(3,562)
Accrued compensation	(16,786)	(7,086)
Other current and non-current liabilities	1,082	7,718
Accounts payable	809	4,772
Other assets	(674)	(189)
Net cash provided by operating activities	66,057	23,181
Cash flows provided by investing activities:
Purchases of investments	(42,292)	(82,135)
Maturities of investments	55,672	76,972
Sales of investments	21,179	128,250
Purchases of property, plant and equipment	(4,099)	(2,156)
Net cash provided by investing activities	30,460	120,931
Cash flows used in financing activities:
Restricted cash	(148)
Proceeds from short-term borrowings	736
Payments on short-term borrowings	(1,398)
Payments on long-term borrowings	(51,570)
Repurchase of common stock		(1,545)
Net payments related to employee stock awards	(2,894)	(2,587)
Dividend payments to common stockholders	(9,419)	(9,056)
Excess tax benefits from stock-based compensation		233
Net cash used in financing activities	(64,693)	(12,955)
Effect of exchange rate changes on cash and cash equivalents	(4,535)	(876)
Increase in cash and cash equivalents	27,289	130,281
Cash and cash equivalents at beginning of period	228,623	227,574
Cash and cash equivalents at end of period	$ 255,912	$ 357,855

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Basis of Presentation

3 Months Ended

Mar. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

1) Basis of Presentation

The terms “MKS” and the “Company” refer to MKS Instruments, Inc. and its subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. The interim financial data as of March 31, 2017, and for the three months ended March 31, 2017 and 2016 are unaudited; however, in the opinion of MKS, the interim data includes all adjustments, consisting of normal recurring adjustments, necessary for a fair statement of the results for the interim periods. The condensed consolidated balance sheet presented as of December 31, 2016 has been derived from the consolidated audited financial statements as of that date. The unaudited condensed consolidated financial statements presented herein have been prepared in accordance with the instructions to Form 10-Q and do not include all of the information and note disclosures required by United States generally accepted accounting principles (“U.S. GAAP”). The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the MKS Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission on March 1, 2017.

The preparation of these unaudited condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, management evaluates its estimates and judgments, including those related to revenue recognition, stock-based compensation, inventory, intangible assets, goodwill and other long-lived assets, warranty liabilities, pension liabilities, acquisition expenses, income taxes and investments. Management bases its estimates and judgments on historical experience and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

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Recently Issued Accounting Pronouncements

3 Months Ended

Mar. 31, 2017

Accounting Changes and Error Corrections [Abstract]

Recently Issued Accounting Pronouncements

2) Recently Issued Accounting Pronouncements

In March 2017, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2017-07, “Compensation-Retirement Benefits (Topic 715)-Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” This standard requires that an employer disaggregate the service cost component from the other components of net benefit cost. This standard also provides explicit guidance on how to present the service cost component and the other components of the net benefit cost in the income statement and allows only the service cost component of net benefit cost to be eligible for capitalization. The provisions of this ASU are effective for annual periods beginning after December 31, 2017, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles-Goodwill and Other (Topic 350).” This standard simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of goodwill. The provisions of this ASU are effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company expects to adopt this new standard in 2017 when it performs its annual goodwill impairment test in the fourth quarter. The adoption of this ASU is not expected to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805)-Clarifying the Definition of a Business.” This standard clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This standard also provides a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is applicable under certain circumstances. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230)-Restricted Cash,” an amendment to ASU 2016-15. This standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash and restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. Early adoption is permitted. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and should be applied at the time of adoption of ASU 2016-15. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740)-Intra-Entity Transfer of Assets Other Than Inventory.” This standard requires that an entity recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs as opposed to when the assets have been sold to an outside party. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and early adoption is permitted. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230)-Classification of Certain Cash Receipts and Cash Payments.” This standard addresses eight specific cash flow issues with the objective of addressing the diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows under Topic 230. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” This standard requires the recognition of lease assets and liabilities for all leases, with certain exceptions, on the balance sheet. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. This ASU is effective for annual periods beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments—Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” This ASU provides guidance for the recognition, measurement, presentation, and disclosure of financial instruments. The new pronouncement revises accounting related to equity investments and the presentation of certain fair value changes for financial assets and liabilities measured at fair value. Among other things, it amends the presentation and disclosure requirements of equity securities that do not result in consolidation and are not accounted for under the equity method. Changes in the fair value of these equity securities will be recognized directly in net income. This pronouncement is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 provides for a single comprehensive model to use in accounting for revenue arising from contracts with customers and will replace most existing revenue recognition guidance in GAAP when it becomes effective. ASU 2014-09 is effective for fiscal years and interim periods within those years beginning after December 15, 2017. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. The Company does not plan to early adopt the standard, but has preliminarily concluded that it will use the modified retrospective method upon adoption in the first quarter of 2018.

In March, April, May and December 2016, the FASB issued additional updates to the new revenue standard relating to reporting revenue on a gross versus net basis, identifying performance obligations and licensing arrangements, narrow-scope improvements and practical expedients, and technical corrections and improvements, respectively. The Company has reviewed its plan for the implementation and will continue to report the status against that plan with the Company’s Audit Committee. The Company has established a cross functional project steering committee and implementation team to identify potential differences that would result from applying the requirements of the new standard to the Company’s revenue contracts and related expense line items. The Company has identified the various revenue streams, including product revenues, service revenues, installation and training, that could be impacted by Topic 606 and has started to review individual customer contracts related to these revenue streams to determine if any material differences exist between the current revenue standard, Accounting Standards Codification Topic 605 and Topic 606. In the second quarter of 2017, the Company will be reviewing the additional disclosure requirements of the new standard and the potential impact on its internal control structure and revenue recognition policy. The Company has not completed its assessment of the new revenue recognition standard and has not yet determined the impact on its consolidated financial statements. The Company anticipates that it will complete its assessment of the new standard and its potential financial impact by the end of the third quarter of 2017.

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Investments

3 Months Ended

Mar. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Investments

3) Investments

The fair value of investments classified as short-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	23,818
Bankers’ acceptance drafts		1,117		1,439
Asset-backed securities		36,682		36,809
Commercial paper		12,134		24,381
Corporate obligations		51,393		46,707
Municipal bonds		251		591
Promissory note		675		675
U.S. treasury obligations		20,424		25,414
U.S. agency obligations		29,144		29,629
	$	155,299	$	189,463

Investments classified as long-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Group insurance contracts	$	5,633	$	5,558
Cost method investments:
Minority interest in a private company(1)		4,300		4,300
	$	9,933	$	9,858

⁽¹⁾  In April 2016, the Company invested $9,300 for a minority interest in a private company. For the year ended December 31, 2016, the Company recognized $5,000 of impairment charges related to this cost method investment.

The following tables show the gross unrealized gains and (losses) aggregated by investment category for available-for-sale investments:

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	—	$	—		$	3,479
Bankers’ acceptance drafts		1,117		—		—			1,117
Asset-backed securities		36,711		12		(41	)		36,682
Commercial paper		12,160		—		(26	)		12,134
Corporate obligations		51,328		70		(5	)		51,393
Municipal bonds		251		—		—			251
Promissory note		675		—		—			675
U.S. treasury obligations		20,418		6		—			20,424
U.S. agency obligations		29,114		34		(4	)		29,144
	$	155,253	$	122	$	(76	)	$	155,299

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,497	$	—	$	(864	)	$	5,633

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	23,818	$	—	$	—		$	23,818
Bankers acceptance drafts		1,439		—		—			1,439
Asset-backed securities		36,847		6		(44	)		36,809
Commercial paper		24,423		—		(42	)		24,381
Corporate obligations		46,700		21		(14	)		46,707
Municipal bonds		591		—		—			591
Promissory note		675		—		—			675
U.S. treasury obligations		25,414		—		—			25,414
U.S. agency obligations		29,631		8		(10	)		29,629
	$	189,538	$	35	$	(110	)	$	189,463

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,276	$	—	$	(718	)	$	5,558

The tables above, which show the gross unrealized gains and (losses) aggregated by investment category for available-for-sale investments as of March 31, 2017 and December 31, 2016, reflect the inclusion within short-term investments of investments with contractual maturities greater than one year from the date of purchase. Management has the ability, if necessary, to liquidate any of its investments in order to meet the Company’s liquidity needs in the next 12 months. Accordingly, those investments with contractual maturities greater than one year from the date of purchase are classified as short-term on the accompanying balance sheets.

Interest income is accrued as earned. Dividend income is recognized as income on the date the stock trades “ex-dividend.” The cost of marketable securities sold is determined by the specific identification method. Realized gains or losses are reflected in income and were not material for the three months ended March 31, 2017 and 2016.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

4) Fair Value Measurements

In accordance with the provisions of fair value accounting, a fair value measurement assumes that the transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability and defines fair value based upon an exit price model.

The fair value measurement guidance establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance describes three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices in active markets for identical assets or liabilities assessed as of the reporting date. Active markets are those in which transactions for the asset or liability occur in sufficient frequency and volume to provide pricing information on an ongoing basis.

Level 2

Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include debt securities with quoted prices that are traded less frequently than exchange-traded instruments or securities or derivative contracts that are valued using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data.

Level 3

Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the Company categorizes such assets and liabilities based on the lowest level input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

Assets and liabilities of the Company are measured at fair value on a recurring basis as of March 31, 2017 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	March 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	1,263	$	1,263	$	—	$	—
Time deposits and certificates of deposit		2,300		—		2,300		—
Bankers’ acceptance drafts		682		—		682		—
Commercial paper		10,604		—		10,604		—
Corporate obligations		1,550		—		1,550		—
Restricted cash – money market funds		5,274		5,274		—		—
Available-for-sale investments:
Time deposits and certificates of deposit		3,479		—		3,479		—
Bankers’ acceptance drafts		1,117		—		1,117		—
Asset-backed securities		36,682		—		36,682		—
Commercial paper		12,134		—		12,134		—
Corporate obligations		51,393		—		51,393		—
Municipal bonds		251		—		251		—
Promissory note		675		—		675		—
U.S. treasury obligations		20,424		—		20,424		—
U.S. agency obligations		29,144		—		29,144		—
Group insurance contracts		5,633		—		5,633		—
Derivatives – currency forward contracts		664		—		664		—
Derivatives – options contracts		14		—		14		—
Funds in investments and other assets:
Israeli pension assets		14,024		—		14,024		—
Derivatives – interest rate hedge – non-current		5,428		—		5,428		—
Restricted cash – non-current		744		744		—		—
Total assets	$	203,479	$	7,281	$	196,198	$	—
Liabilities:
Derivatives – currency forward contracts	$	3,666	$	—	$	3,666	$	—
Reported as follows:
Assets:
Cash and cash equivalents(1)	$	16,399	$	1,263	$	15,136	$	—
Restricted cash		5,274		5,274		—		—
Short-term investments		155,299		—		155,299		—
Other current assets		678		—		678		—
Total current assets	$	177,650	$	6,537	$	171,113	$	—
Long-term investments(2)		5,633		—		5,633		—
Other long-term assets		19,452		—		19,452		—
Restricted cash – non-current		744		744		—		—
Total long-term assets	$	25,829	$	744	$	25,085	$	—
Liabilities:
Other current liabilities	$	3,666	$	—	$	3,666	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $238,663 and non-negotiable time deposits of $850 as of March 31, 2017.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

Assets and liabilities of the Company are measured at fair value on a recurring basis as of December 31, 2016 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	10,155	$	10,155	$	—	$	—
Time deposits and certificates of deposit		4,900		—		4,900		—
Bankers acceptance drafts		448		—		448		—
Commercial paper		11,828		—		11,828		—
Corporate obligations		2,025		—		2,025		—
U.S. agency obligations		3,899		—		3,899		—
Restricted cash – money market funds		5,287		5,287		—		—
Available-for-sale securities:
Time deposits and certificates of deposit		23,818		—		23,818		—
Bankers acceptance drafts		1,439		—		1,439		—
Asset-backed securities		36,809		—		36,809		—
Commercial paper		24,381		—		24,381		—
Corporate obligations		46,707		—		46,707		—
Municipal bonds		591		—		591		—
Promissory note		675		—		675		—
U.S. treasury obligations		25,414		—		25,414		—
U.S. agency obligations		29,629		—		29,629		—
Group insurance contracts		5,558		—		5,558		—
Derivatives – currency forward contracts		2,985		—		2,985		—
Derivatives – options contracts		4		—		4		—
Funds in investments and other assets:
Israeli pension assets		13,910		—		13,910		—
Derivatives – interest rate hedge – non-current		4,900		—		4,900		—
Restricted cash – non-current		573		573		—		—
Total assets	$	255,935	$	16,015	$	239,920	$	—
Liabilities:
Derivatives – currency forward contracts	$	543	$	—	$	543	$	—
Derivatives – options contracts		16		—		16		—
Total liabilities	$	559	$	—	$	559	$	—
Assets:
Cash and cash equivalents(1)	$	33,255	$	10,155	$	23,100	$	—
Restricted cash		5,287		5,287		—		—
Short-term investments		189,463		—		189,463		—
Other current assets		2,989		—		2,989		—
Total current assets	$	230,994	$	15,442	$	215,552	$	—
Long-term investments(2)	$	5,558	$	—	$	5,558	$	—
Other long-term assets		18,810		—		18,810		—
Restricted cash – non-current		573		573		—		—
Total long-term assets	$	24,941	$	573	$	24,368	$	—
Liabilities:
Other current liabilities	$	559	$	—	$	559	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $192,432 and non-negotiable time deposits of $2,936 as of December 31, 2016.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

Money Market Funds

Money market funds are cash and cash equivalents and are classified within Level 1 of the fair value hierarchy.

Restricted Cash

The Company has letters of credit, which require it to maintain specified cash deposit balances, consisting mainly of money market funds, as collateral. Such amounts have been classified as restricted cash and are classified as Level 1.

Available-For-Sale Investments

Available-for-sale investments consists of time deposits and drafts denominated in the Euro currency, certificates of deposit, bankers acceptance drafts, asset-backed securities (which include auto loans, credit card receivables and equipment trust receivables), corporate obligations, municipal bonds, U.S. treasury obligations and U.S. agency obligations.

The Company measures its debt and equity investments at fair value. The Company’s available-for-sale investments are classified within Level 1 and Level 2 of the fair value hierarchy.

Israeli Pension Assets

Israeli pension assets represent investments in mutual funds, government securities and other time deposits. These investments are set aside for the retirement benefit of the employees at the Company’s Israeli subsidiaries. These funds are classified within Level 2 of the fair value hierarchy.

Derivatives

As a result of the Company’s global operating activities, the Company is exposed to market risks from changes in foreign currency exchange rates, which may adversely affect its operating results and financial position. When deemed appropriate, the Company minimizes its risks from foreign currency exchange rate fluctuations through the use of derivative financial instruments. The principal market in which the Company executes its foreign currency contracts is the institutional market in an over-the-counter environment with a relatively high level of price transparency. The market participants usually are large commercial banks. The forward foreign currency exchange contracts are valued using broker quotations or market transactions and are classified within Level 2 of the fair value hierarchy.

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Derivatives

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

5) Derivatives

The Company enters into derivative instruments for risk management purposes only, including derivatives designated as hedging instruments and those utilized as economic hedges. The Company operates internationally and, in the normal course of business, is exposed to fluctuations in interest rates and foreign exchange rates. These fluctuations can increase the costs of financing, investing and operating the business. The Company has used derivative instruments, such as forward contracts and foreign currency option contracts, to manage certain foreign currency exposure.

By nature, all financial instruments involve market and credit risks. The Company enters into derivative instruments with major investment grade financial institutions, for which no collateral is required. The Company has policies to monitor the credit risk of these counterparties. While there can be no assurance, the Company does not anticipate any material non-performance by any of these counterparties.

Interest Rate Swap Agreement

On September 30, 2016, the Company entered into an interest rate swap agreement to fix the rate on approximately 50% of its remaining outstanding balance of the Credit Agreement, as described further in Note 9. This hedge fixes the interest rate paid on the hedged debt at 1.198% per annum plus the credit spread of 3.50% through September 30, 2020. The interest rate swap will be recorded at fair value on the balance sheet and changes in the fair value will be recognized in other comprehensive income (loss) (“OCI”). To the extent that this arrangement is no longer an effective hedge, any ineffectiveness measured in the hedging relationship is recorded currently in earnings in the period it occurs. The notional amount of this transaction was $335,000 and had a fair value of $5,428 at March 31, 2017.

Foreign Exchange Contracts

The Company hedges a portion of its forecasted foreign currency-denominated intercompany sales of inventory, over a maximum period of eighteen months, using forward foreign exchange contracts accounted for as cash-flow hedges related to Japanese, South Korean, British, Euro and Taiwanese currencies. To the extent these derivatives are effective in off-setting the variability of the hedged cash flows, and otherwise meet the hedge accounting criteria, changes in the derivatives’ fair value are not included in current earnings but are included in OCI in stockholders’ equity. These changes in fair value will subsequently be reclassified into earnings, as applicable, when the forecasted transaction occurs. To the extent that a previously designated hedging transaction is no longer an effective hedge, any ineffectiveness measured in the hedging relationship is recorded currently in earnings in the period it occurs. The cash flows resulting from forward exchange contracts are classified in the consolidated statements of cash flows as part of cash flows from operating activities. The Company does not enter into derivative instruments for trading or speculative purposes.

The Company also enters into forward exchange contracts to hedge certain balance sheet amounts and foreign currency option contracts related to the Israeli Shekel. To the extent the hedge accounting criteria is not met, the related foreign currency forward contracts and foreign currency option contracts are considered as economic hedges and changes in the fair value of these contracts are recorded immediately in earnings in the period in which they occur. These include hedges that are used to reduce exchange rate risks arising from the change in fair value of certain foreign currency-denominated assets and liabilities (i.e., payables, receivables) and other economic hedges where the hedge accounting criteria were not met.

As of March 31, 2017 and December 31, 2016, the Company had outstanding forward foreign exchange contracts with gross notional values of $124,959 and $120,208, respectively. The following tables provide a summary of the primary net hedging positions and corresponding fair values held as of March 31, 2017 and December 31, 2016:

	March 31, 2017
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	35,644	$	(493	)
U.S. Dollar/South Korean Won		45,972		(1,804	)
U.S. Dollar/Euro		20,150		(15	)
U.S. Dollar/U.K. Pound Sterling		6,599		(43	)
U.S. Dollar/Taiwan Dollar		16,594		(647	)
Total	$	124,959	$	(3,002	)

	December 31, 2016
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	30,522	$	763
U.S. Dollar/South Korean Won		50,049		1,342
U.S. Dollar/Euro		18,040		156
U.S. Dollar/U.K. Pound Sterling		6,067		117
U.S. Dollar/Taiwan Dollar		15,530		64
Total	$	120,208	$	2,442

⁽¹⁾  Represents the fair value of the net (liability) asset amount included in the consolidated balance sheet.

The following table provides a summary of the fair value amounts of the Company’s derivative instruments:

Derivatives Designated as Hedging Instruments	March 31, 2017			December 31, 2016
Derivative assets:
Foreign exchange contracts(1)	$	664		$	2,985
Foreign currency options contracts(1)		14			4
Foreign currency interest rate hedge(2)		5,428			4,900
Derivative liabilities:
Foreign exchange contracts(1)		(3,666	)		(543	)
Foreign currency options contracts(1)		—			(16	)
Total net derivative assets designated as hedging instruments	$	2,440		$	7,330

⁽¹⁾  The derivative asset of $678 and derivative liability of $(3,666) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of March 31, 2017. The derivative asset of $2,989 and derivative liability of $(559) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of December 31, 2016. These foreign exchange contracts are subject to a master netting agreement with one financial institution. However, the Company has elected to record these contracts on a gross basis in the balance sheet.

⁽²⁾  The foreign currency interest rate hedge assets of $5,428 and $4,900 are classified in other assets in the consolidated balance sheet as of March 31, 2017 and December 31, 2016, respectively,

The net amount of existing gains as of March 31, 2017, that the Company expects to reclassify from OCI into earnings within the next twelve months is immaterial.

The following table provides a summary of the (losses) gains on derivatives designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Designated as Cash Flow Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in OCI(1)	$	(6,978	)	$	(3,418	)
Net gain reclassified from accumulated OCI into income(2)	$	452		$	696

⁽¹⁾  Net change in the fair value of the effective portion classified in OCI.

⁽²⁾  Effective portion classified in cost of products for the three months ended March 31, 2017 and 2016. The tax effect of the gains or losses reclassified from accumulated OCI into income is immaterial.

The following table provides a summary of the losses on derivatives not designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Not Designated as Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in income(1)	$	(1,463	)	$	(565	)

⁽¹⁾  The Company enters into foreign exchange contracts to hedge against changes in the balance sheet for certain subsidiaries and also enters into foreign currency option contracts to mitigate the risk associated with certain foreign currency transactions in the ordinary course of business. These derivatives are not designated as hedging instruments and gains or losses from these derivatives are recorded immediately in selling, general and administrative expenses.

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Inventories, net

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Inventories, net

6) Inventories, net

Inventories consist of the following:

	March 31, 2017		December 31, 2016
Raw materials	$	159,354	$	150,150
Work-in-process		48,306		39,105
Finished goods		77,858		86,614
	$	285,518	$	275,869

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Acquisitions

3 Months Ended

Mar. 31, 2017

Business Combinations [Abstract]

Acquisitions

7) Acquisitions

Newport Corporation

On April 29, 2016, the Company completed its acquisition of Newport Corporation (“Newport”) pursuant to an Agreement and Plan of Merger, dated as of February 22, 2016 (the “Merger Agreement”), by and among the Company, PSI Equipment, Inc., a wholly owned subsidiary of the Company (“Merger Sub”), and Newport (the “Newport Merger”). At the effective time of the Newport Merger and pursuant to the terms and conditions of the Merger Agreement, each share of Newport’s common stock that was issued and outstanding immediately prior to the effective time of the Newport Merger was converted into the right to receive $23.00 in cash, without interest and subject to deduction for any required withholding tax.

Newport’s innovative solutions leverage its expertise in advanced technologies, including lasers, photonics and precision motion equipment, and optical components and sub-systems, to enhance the capabilities and productivity of its customers’ manufacturing, engineering and research applications. Newport is a global supplier of advanced-technology products and systems to customers in the scientific research and defense/security, microelectronics, life and health sciences and industrial manufacturing markets.

The purchase price of Newport consisted of the following:

Cash paid for outstanding  shares(1)	$	905,254
Settlement of share-based compensation awards(2)		8,824
Cash paid for Newport debt(3)		93,200
Total purchase price	$	1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

⁽¹⁾  Represents cash paid of $23.00 per share for approximately 39,359,000 shares of Newport common stock, without interest and subject to a deduction for any required withholding tax.

⁽²⁾  Represents the vested but not issued portion of Newport share-based compensation awards as of the acquisition date of April 29, 2016.

⁽³⁾  Represents the cash paid for the outstanding balance of Newport’s senior secured revolving credit agreement.

The Company funded the payment of the aggregate consideration with a combination of the Company’s available cash on hand and the proceeds from the Company’s senior secured Term Loan Facility, as described in Note 9.

Under the acquisition method of accounting, the total estimated acquisition consideration is allocated to the acquired tangible and intangible assets and assumed liabilities of Newport based on their fair values as of the acquisition date. Any excess of the acquisition consideration over the fair value of assets acquired and liabilities assumed is allocated to goodwill. The Company expects that all such goodwill and intangible assets will not be deductible for tax purposes.

The following table summarizes the allocation of the purchase price to the fair values assigned to assets acquired and liabilities assumed at the date of the Newport Merger:

Current assets (including cash)	$	186,137
Inventory		142,714
Intangible assets		404,506
Goodwill		396,027
Property, plant and equipment		119,932
Long-term assets		22,725
Total assets acquired		1,272,041
Current liabilities		95,156
Intangible liability		4,302
Other long-term liabilities		165,305
Total liabilities assumed		264,763
Fair value of assets acquired and liabilities assumed		1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

For the year ended December 31, 2016, the Company recorded $15,090 of incremental cost of sales charges associated with the fair value write-up of inventory acquired in the merger with Newport.

The fair value write-up of acquired property, plant and equipment of $36,242 will be amortized over the useful life of the asset. Property, plant and equipment is valued at its value-in-use, unless there was a known plan to dispose of the asset.

The acquired intangible assets are being amortized on a straight-line basis, which approximates the economic use of the asset.

The following table reflects the allocation of the acquired intangible assets and liabilities and related estimate of useful lives:

Order backlog	$	12,100	1 year
Customer relationships		247,793	6-18 years
Trademarks and trade names		55,900	Indefinite
Developed technology		75,386	4-8 years
In-process research and development		6,899	Undefined(1)
Leasehold interest (favorable)		6,428	4-5 years
Total intangible assets	$	404,506
Leasehold interest (unfavorable)	$	4,302

⁽¹⁾  The useful lives of in-process research and development will be defined in the future upon further evaluation of the status of these programs.

The fair value of the acquired intangibles was determined using the income approach. In performing these valuations, the key underlying probability-adjusted assumptions of the discounted cash flows were projected revenues, gross margin expectations and operating cost estimates. The valuations were based on the information that was available as of the acquisition date and the expectations and assumptions that have been deemed reasonable by the Company’s management. There are inherent uncertainties and management judgment required in these determinations. This acquisition resulted in a purchase price that exceeded the estimated fair value of tangible and intangible assets, the excess amount of which was allocated to goodwill.

The Company believes the amount of goodwill relative to identifiable intangible assets relates to several factors including: (1) potential buyer-specific synergies related to market opportunities for a combined product offering; and (2) potential to leverage the Company’s sales force to attract new customers and revenue and cross sell to existing customers.

The results of this acquisition were included in the Company’s consolidated operations beginning on April 29, 2016. Newport constitutes the Company’s Light & Motion reportable segment (see Note 16).

Certain executives from Newport have severance provisions in their respective Newport employment agreements. The agreements include terms that are accounted for as dual-trigger arrangements. Through the Company’s acquisition accounting, the expense relating to these benefits was recognized in the combined entity’s financial statements, however, the benefit itself will not be distributed until the final provision is met by each eligible executive. The Company recorded costs of $5,816 and $3,334 as compensation expense and stock-based compensation expense, respectively, for the twelve months ended December 31, 2016 in connection with these severance provisions. The shares underlying the restricted stock units and stock appreciation rights that are eligible for accelerated vesting if the executive exercises his rights are not issued as of each reporting period-end and are excluded from the computation of basic earnings per share and included in the computation of diluted earnings per share for each reporting period.

Cost Method Investment in a Private Company

On April 27, 2016, the Company invested $9,300 for a minority interest in a private company, which operates in the field of semiconductor process equipment instrumentation. The Company accounted for this investment using the cost method of accounting. During the fourth quarter of 2016, the Company recognized an impairment loss on this investment of $5,000 based upon financial information of this private company.

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

8) Goodwill and Intangible Assets

Goodwill

The Company’s methodology for allocating the purchase price relating to purchase acquisitions is determined through established and generally accepted valuation techniques. Goodwill is measured as the excess of the cost of the acquisition over the sum of the amounts assigned to tangible and identifiable intangible assets acquired less liabilities assumed. The Company assigns assets acquired (including goodwill) and liabilities assumed to one or more reporting units as of the date of acquisition. Typically acquisitions relate to a single reporting unit and thus do not require the allocation of goodwill to multiple reporting units. If the products obtained in an acquisition are assigned to multiple reporting units, the goodwill is distributed to the respective reporting units as part of the purchase price allocation process.

Goodwill and purchased intangible assets with indefinite useful lives are not amortized, but are reviewed for impairment annually during the fourth quarter of each fiscal year and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable. The process of evaluating the potential impairment of goodwill and intangible assets requires significant judgment. The Company regularly monitors current business conditions and other factors including, but not limited to, adverse industry or economic trends, restructuring actions and lower projections of profitability that may impact future operating results.

The changes in the carrying amount of goodwill and accumulated impairment (loss) during the three months ended March 31, 2017 and year ended December 31, 2016 were as follows:

	Three Months Ended March 31, 2017							Twelve Months Ended December 31, 2016
	Gross Carrying Amount		Accumulated Impairment (Loss)			Net		Gross Carrying Amount			Accumulated Impairment (Loss)			Net
Beginning balance at January 1	$	727,999	$	(139,414	)	$	588,585	$	339,117		$	(139,414	)	$	199,703
Acquired goodwill(1)		—		—			—		396,027			—			396,027
Foreign currency translation		1,917		—			1,917		(7,145	)		—			(7,145	)
Ending balance at March 31, 2017 and December 31, 2016	$	729,916	$	(139,414	)	$	590,502	$	727,999		$	(139,414	)	$	588,585

⁽¹⁾  During 2016, the Company recorded $396,027 of goodwill related to the Newport Merger.

Intangible Assets

Components of the Company’s intangible assets are comprised of the following:

As of March 31, 2017:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	176,586	$	(103,127	)	$	(746	)	$	72,713
Customer relationships		285,044		(34,246	)		(2,634	)		248,164
Patents, trademarks, trade names and other		111,723		(36,118	)		(73	)		75,532
	$	573,353	$	(173,491	)	$	(3,453	)	$	396,409

As of December 31, 2016:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology(1)	$	176,586	$	(97,707	)	$	(1,068	)	$	77,811
Customer relationships(1)		285,044		(29,709	)		(3,404	)		251,931
Patents, trademarks, trade names and other(1)		111,723		(33,397	)		(64	)		78,262
	$	573,353	$	(160,813	)	$	(4,536	)	$	408,004

⁽¹⁾  During 2016, the Company recorded $404,506 of separately identified intangible assets related to the Newport Merger, of which $75,386 was completed technology, $247,793 was customer relationships and $81,327 was patents, trademarks, trade names, in-process research and development and other. During 2016, the Company also recorded $4,302 of unfavorable lease commitments, which is recorded in other liabilities in the balance sheet.

Aggregate amortization expense related to acquired intangibles for the three months ended March 31, 2017 and 2016 was $12,501 and $1,683, respectively. The amortization expense for the three months ended March 31, 2017, is net of $177 amortization income from unfavorable lease commitments. Aggregate net amortization expense related to acquired intangible assets and unfavorable lease commitments for future years is as follows:

Year	Amount
2017 (remaining)	$	33,053
2018		42,951
2019		39,833
2020		27,940
2021		20,071
2022		17,475
Thereafter		155,672

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Debt

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Debt

9) Debt

Term Loan Credit Agreement

In connection with the completion of the Newport Merger, the Company entered into a term loan credit agreement (the “Credit Agreement”) with Barclays Bank PLC, as administrative agent and collateral agent, and the lenders from time to time party thereto (the “Lenders”), that provided senior secured financing of $780,000, subject to increase at the Company’s option in accordance with the Credit Agreement (the “Term Loan Facility”). Borrowings under the Term Loan Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, and (4) a floor of 1.75%, plus, in each case, an applicable margin (that was initially 3.00% and was decreased as described below); or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, subject to a LIBOR rate floor of 0.75%, plus an applicable margin (that was initially 4.00% and was decreased as described below). The Company has elected the interest rate as described in clause (b). The Term Loan Facility was issued with original issue discount of 1.00% of the principal amount thereof.

On June 9, 2016, the Company entered into Amendment No. 1 (the “Re-pricing Amendment 1”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing Amendment 1 decreased the applicable margin for borrowings under the Company’s Term Loan Facility to 2.50% for base rate borrowings and 3.50% for LIBOR borrowings and extended the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment 1. In connection with the execution of the Re-pricing Amendment 1, the Company paid a pre-payment premium of 1.00%, or $7,300, as well as certain fees and expenses of the administrative agent and the Lenders, in accordance with the terms of the Credit Agreement. Immediately prior to the effectiveness of the Re-pricing Amendment 1, the Company prepaid $50,000 of principal under the Credit Agreement. In September 2016, the Company prepaid an additional $60,000 under the Credit Agreement.

On September 30, 2016, the Company entered into an interest rate swap agreement, which has a maturity date of September 30, 2020, to fix the rate on $335,000 of the outstanding balance of the Credit Agreement. The rate is fixed at 1.198% per annum plus the credit spread of 3.50%.

On December 14, 2016, the Company entered into Amendment No. 2 (the “Re-pricing Amendment 2”) to the Credit Agreement by and among the Company, the Lenders and Barclays Bank PLC, as administrative agent and collateral agent for the Lenders. The Re-pricing Amendment 2 decreased the applicable margin for the Company’s term loan under the Credit Agreement to 2.75% for LIBOR borrowings and 1.75% for base rate borrowings and reset the period during which a pre-payment premium may be required for a “Re-pricing Transaction” (as defined in the Credit Agreement) until six months after the effective date of the Re-pricing Amendment. In November 2016, prior to the effectiveness of the Re-pricing Amendment 2, the Company prepaid an additional $40,000 of principal under the Credit Agreement. In March 2017, the Company prepaid $50,000 of principal under the Credit Agreement. After pre-payments of $200,000 and regularly scheduled principal payments of $4,966, the total outstanding principal balance was $575,034 as of March 31, 2017.

The Company incurred $28,747 of deferred finance fees, original issue discount and a re-pricing fee related to the term loans under the Term Loan Facility, which is included in long-term debt in the accompanying consolidated balance sheets and will be amortized to interest expense over the estimated life of the term loans using the effective interest method. A portion of these fees have been written-off in connection with the various debt pre-payments during 2016 and the first quarter of 2017. The remaining balance of the deferred finance fees, original issue discount and re-pricing fee related to the Term Loan Facility was $16,987 as of March 31, 2017.

Under the Credit Agreement, the Company is required to prepay outstanding term loans, subject to certain exceptions, with portions of its annual excess cash flow as well as with the net cash proceeds of certain asset sales, certain casualty and condemnation events and the incurrence or issuance of certain debt. The Company is also required to make scheduled quarterly payments each equal to 0.25% of the principal amount of the term loans outstanding on December 14, 2016 (the date of the Re-Pricing Amendment 2) less the amount of certain voluntary and mandatory repayments after such date, with the balance due on the seventh anniversary of the closing date.

All obligations under the Term Loan Facility are guaranteed by certain of the Company’s domestic subsidiaries, and are secured by substantially all of the Company’s assets and the assets of such subsidiaries, subject to certain exceptions and exclusions.

The Credit Agreement contains customary representations and warranties, affirmative and negative covenants and provisions relating to events of default. If an event of default occurs, the Lenders under the Term Loan Facility will be entitled to take various actions, including the acceleration of amounts due under the Term Loan Facility and all actions generally permitted to be taken by a secured creditor. At March 31, 2017, the Company was in compliance with all covenants under the Credit Agreement.

Senior Secured Asset-Based Revolving Credit Facility

In connection with the completion of the Newport Merger, the Company also entered into an asset-based credit agreement with Deutsche Bank AG New York Branch, as administrative agent and collateral agent, the other borrowers from time to time party thereto, and the lenders and letters of credit issuers from time to time party thereto (the “ABL Facility”), that provides senior secured financing of up to $50,000, subject to a borrowing base limitation. The borrowing base for the ABL Facility at any time equals the sum of: (a) 85% of certain eligible accounts; plus (b) subject to certain notice and field examination and appraisal requirements, the lesser of (i) the lesser of (A) 65% of the lower of cost or market value of certain eligible inventory and (B) 85% of the net orderly liquidation value of certain eligible inventory and (ii) 30% of the borrowing base; minus (c) reserves established by the administrative agent; provided that until the administrative agent’s receipt of a field examination of accounts receivable the borrowing base shall be equal to 70% of the book value of certain eligible accounts. The ABL Facility includes borrowing capacity in the form of letters of credit up to $15,000. The Company has not drawn against the ABL Facility.

Borrowings under the ABL Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, and (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, plus, in each case, an initial applicable margin of 0.75%; and (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, plus an initial applicable margin of 1.75%. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the applicable margin for borrowings thereunder is subject to upward or downward adjustment each fiscal quarter, based on the average historical excess availability during the preceding quarter.

The Company incurred $1,201 of costs in connection with the ABL Facility, which were capitalized and included in other assets in the accompanying consolidated balance sheets and will be amortized to interest expense using the straight-line method over the contractual term of five years of the ABL Facility.

In addition to paying interest on outstanding principal under the ABL Facility, the Company is required to pay a commitment fee in respect of the unutilized commitments thereunder. The initial commitment fee is 0.375% per annum. The total commitment fee recognized in interest expense in 2016 was $128. Commencing with the completion of the first fiscal quarter ending after the closing of the ABL Facility, the commitment fee is subject to downward adjustment based on the amount of average unutilized commitments for the three month period immediately preceding such adjustment date. The Company must also pay customary letter of credit fees and agency fees.

Lines of Credit and Short-Term Borrowing Arrangements

One of the Company’s Japanese subsidiaries has lines of credit and short-term borrowing arrangements with two financial institutions which arrangements generally expire and are renewed at three month intervals. The lines of credit provided for aggregate borrowings as of March 31, 2017 of up to an equivalent of $20,547 U.S. dollars. One of the borrowing arrangements has an interest rate based on the Tokyo Interbank Offer Rate at the time of borrowing and the other has an interest rate based on the Japanese Short-Term Prime Lending Rate. There were no borrowings outstanding under these arrangements at March 31, 2017 and December 31, 2016.

The Company assumed various revolving lines of credit and a financing facility with the completion of the Newport Merger. These revolving lines of credit and financing facility have no expiration date and provided for aggregate borrowings as of March 31, 2017 of up to an equivalent of $11,167 U.S. dollars. These lines of credit have a base interest rate of 1.25% plus a Japanese Yen overnight LIBOR rate.

One of the Company’s Austrian subsidiaries has four outstanding loans from the Austrian government to fund research and development. These loans are unsecured and do not require principal repayment as long as certain conditions are met. Interest on these loans is payable semi-annually. The interest rates associated with these loans range from 0.75% - 2.00%.

	March 31, 2017		December 31, 2016
Short-term debt:
Japanese lines of credit	$	3,461	$	4,245
Japanese receivables financing facility		782		458
Other debt		98		8
Current portion of Term Loan Facility		6,282		6,282
	$	10,623	$	10,993

	March 31, 2017		December 31, 2016
Long-term debt:
Austrian loans due through March 2020	$	467	$	548
Term Loan Facility, net(1)		551,765		600,681
	$	552,232	$	601,229

⁽¹⁾  Net of deferred financing fees, original issuance discount and re-pricing fee of $16,987 and $19,642 as of March 31, 2017 and December 31, 2016, respectively.

The Company recognized interest expense of $8,831 and $44 for the three months ended March 31, 2017 and 2016, respectively. The increase is primarily related to the Term Loan Facility.

Contractual maturities of the Company’s debt obligations as of March 31, 2017, are as follows:

Year	Amount
2017 (remaining)	$	9,053
2018		6,298
2019		6,687
2020		6,327
2021		6,282
2022		6,282
Thereafter		538,913

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Product Warranties

3 Months Ended

Mar. 31, 2017

Guarantees [Abstract]

Product Warranties

10) Product Warranties

The Company records the estimated costs to fulfill customer warranty obligations upon the recognition of the related revenue. While the Company engages in extensive product quality programs and processes, including actively monitoring and evaluating the quality of its component suppliers, the Company’s warranty obligation is affected by shipment volume, product failure rates, utilization levels, material usage, and supplier warranties on parts delivered to the Company. Should actual product failure rates, utilization levels, material usage, or supplier warranties on parts differ from the Company’s estimates, revisions to the estimated warranty liability would be required. The product warranty liability is included in other current liabilities in the consolidated balance sheets.

Product warranty activities were as follows:

	Three Months Ended March 31,
	2017			2016
Beginning of period	$	8,261		$	5,205
Provision for product warranties		3,014			783
Direct charges to warranty liability		(2,857	)		(984	)
Foreign currency translation		67			35
End of period	$	8,485		$	5,039

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Income Taxes

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Income Taxes

11) Income Taxes

The Company’s effective tax rate for the three months ended March 31, 2017 and 2016 was 15.8% and 26.2%, respectively. The effective tax rate for the three months ended March 31, 2017 and related income tax expense, was lower than the U.S. statutory tax rate mainly due to the geographic mix of income earned by the Company’s international subsidiaries being taxed at rates lower than the U.S. statutory tax rate, the deduction for domestic production activities and the windfall stock compensation tax benefit related to the adoption of a new accounting standard that became applicable during the quarter ended March 31, 2017.

The effective tax rate for the three months ended March 31, 2016 was lower than the U.S. statutory tax rate mainly due to the impact of lower tax rates on foreign income and the deduction for domestic production activities.

As of March 31, 2017, the total amount of gross unrecognized tax benefits, which excludes interest and penalties, was approximately $25,925. At December 31, 2016, the total amount of gross unrecognized tax benefits, which excludes interest and penalties, was approximately $25,465. As of March 31, 2017, if these benefits were recognized in a future period, the timing of which is not estimable, the net unrecognized tax benefit of $18,854, excluding interest and penalties, would impact the Company’s effective tax rate. The Company accrues interest expense, and if applicable, penalties, for any uncertain tax positions. Interest and penalties are classified as a component of income tax expense. As of March 31, 2017 and December 31, 2016, the Company had accrued interest on unrecognized tax benefits of approximately $469 and $491, respectively.    

Over the next 12 months it is reasonably possible that the Company may recognize approximately $1,702 of previously net unrecognized tax benefits related to various U.S. federal, state and foreign tax positions primarily as a result of the expiration of certain statutes of limitations.

The Company and its subsidiaries are subject to examination by U.S. federal, state and foreign tax authorities. The U.S. statute of limitations remains open for tax years 2013 through present. The statute of limitations for the Company’s tax filings in other jurisdictions varies between fiscal years 2008 through present. We also have certain federal credit carry-forwards and state tax loss and credit carry-forwards that are open to examination for tax years 2000 through the present.

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Pension Plans

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Pension Plans

12) Pension Plans

As a result of the acquisition of Newport, the Company has assumed all assets and liabilities of Newport’s defined benefit pension plans, which cover substantially all of its full-time employees in France, Germany, Israel and Japan. In addition, there are certain pension liabilities relating to former employees in the United Kingdom. The German plan is unfunded, as permitted under the plan and applicable laws. The net periodic benefit costs during the three months ended March 31, 2017, were approximately $260 and the Company made contributions of $227 to these plans, during the three months ended March 31, 2017.

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Net Income Per Share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Net Income Per Share

13) Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

	Three Months Ended March 31,
	2017		2016
Numerator:
Net income	$	65,060	$	17,563
Denominator:
Shares used in net income per common share – basic		53,769,000		53,235,000
Effect of dilutive securities:
Restricted stock units, stock appreciation rights and shares issued under employee stock purchase plan		1,189,000		328,000
Shares used in net income per common share – diluted		54,958,000		53,563,000
Net income per common share:
Basic	$	1.21	$	0.33
Diluted	$	1.18	$	0.33

Basic earnings per share (“EPS”) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation of basic EPS except that the denominator is increased to include the number of additional common shares that would have been outstanding (using the treasury stock method) if securities containing potentially dilutive common shares (restricted stock units and stock appreciation rights) had been converted to such common shares, and if such assumed conversion is dilutive.

For the three months ended March 31, 2017 and 2016, there were no weighted-average shares of restricted stock units or stock appreciation rights that would have had an anti-dilutive effect on EPS, and would thus need to be excluded from the computation of diluted weighted-average shares.

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Stockholder's Equity

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Stockholder's Equity

14) Stockholder’s Equity

Stock Repurchase Program

On July 25, 2011, the Company’s Board of Directors approved a share repurchase program for the repurchase of up to an aggregate of $200,000 of its outstanding common stock from time to time in open market purchases, privately negotiated transactions or through other appropriate means. The timing and quantity of any shares repurchased will depend upon a variety of factors, including business conditions, stock market conditions and business development activities, including, but not limited to, merger and acquisition opportunities. These repurchases may be commenced, suspended or discontinued at any time without prior notice. The Company has repurchased approximately 1,770,000 shares of common stock for approximately $52,000 pursuant to the program since its adoption.

There were no shares repurchased during the three months ended March 31, 2017. During the three months ended March 31, 2016, the Company repurchased approximately 45,000 shares of its common stock for $1,545, or an average price of $34.50 per share.

Cash Dividends

Holders of the Company’s common stock are entitled to receive dividends when they are declared by the Company’s Board of Directors. During the three months ended March 31, 2017, the Company’s Board of Directors declared a cash dividend of $0.175 per share, which dividends totaled $9,419. During the three months ended March 31, 2016, the Company’s Board of Directors declared a cash dividend of $0.17 per share, which dividends totaled $9,056. Future dividend declarations, if any, as well as the record and payment dates for such dividends, are subject to the final determination of the Company’s Board of Directors.

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Stock Based Compensation

3 Months Ended

Mar. 31, 2017

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

Stock Based Compensation

15) Stock Based Compensation

In connection with the completion of the Newport Merger, the Company assumed:

• all restricted stock units (“RSUs”) granted under any Newport equity plan that were outstanding immediately prior to the effective time of the Newport Merger, and as to which shares of Newport common stock were not fully distributed in connection with the closing of the Newport Merger, and

• all stock appreciation rights granted under any Newport equity plan, whether vested or unvested, that were outstanding immediately prior to the effective time of the Newport Merger.

As of the effective time of the Newport Merger, based on a formula provided in the Merger Agreement, (a) the Newport RSUs were converted automatically into RSUs with respect to 360,674 shares of the Company’s common stock (the “Assumed RSUs”), and (b) the Newport stock appreciation rights were converted automatically into stock appreciation rights with respect to 899,851 shares of the Company’s common stock (the “Assumed SARs”).

Included in the total number of Assumed RSUs were 36,599 RSUs for outside directors that were part of the Newport Deferred Compensation Plan (the “DC Plan”), from which 19,137 underlying shares were released in May 2016. As of March 31, 2017, 17,462 RSUs remained outstanding under the DC Plan, and an additional 234 shares were added to the DC Plan due to reinvested dividends. These Assumed RSUs will not become issued shares until their respective release dates.

The shares of the Company’s common stock that are subject to the Assumed SARs and the Assumed RSUs are issuable pursuant to the Company’s 2014 Stock Incentive Plan (the “Plan”).

The 1,260,525 shares of the Company’s common stock that are issuable pursuant to the Assumed RSUs and the Assumed SARs under the Plan were registered under the Securities Act of 1933, as amended (the “Securities Act”), on a registration statement on Form S-8. These shares are in addition to the 18,000,000 shares of the Company’s common stock reserved for issuance under the Plan and previously registered under the Securities Act on a registration statement on Form S-8.

During the three months ended March 31, 2017, the Company granted 171,179 RSUs with a weighted average grant date fair value of $66.06. There were no SARs granted during the three months ended March 31, 2017.

The total stock-based compensation expense included in the Company’s consolidated statements of income and comprehensive income was as follows:

	Three Months Ended March 31, 2017		Three Months Ended March 31, 2016
Cost of revenues	$	930	$	440
Research and development expense		745		374
Selling, general and administrative expense		7,107		3,338
Total pre-tax stock-based compensation expense	$	8,782	$	4,152

At March 31, 2017, the total compensation expense related to unvested stock-based awards granted to employees, officers and directors under the Plan that had not been recognized was $23,759, net of estimated forfeitures. The future compensation expense is recognized on a straight-line basis over the requisite service period, net of estimated forfeitures except for retirement eligible employees in which the Company expenses the fair value of the grant in the period the grant is issued. The Company considers many factors when estimating expected forfeitures, including types of awards and historical experience. Actual results, and future changes in estimates, may differ substantially from the Company’s current estimates.

The following table presents the activity for RSUs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding RSUs			Weighted Average Grant Date Fair Value
RSUs – beginning of period		1,325,516		$	34.38
Accrued dividend shares		47			66.20
Granted		171,179			66.06
Vested		(499,743	)		33.59
Forfeited or expired		(34,180	)		33.50
RSUs – end of period		962,819		$	40.46

The following table presents the activity for SARs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding SARs			Weighted Average Grant Date Fair Value
SARs – beginning of period		599,334		$	28.10
Granted		—			—
Exercised		(120,206	)		25.81
Forfeited or expired		(9,563	)		25.58
SARs Outstanding – end of period		469,565		$	28.74

At March 31, 2017, the Company’s outstanding and exercisable SARs, the weighted-average base value, the weighted average remaining contractual life and the aggregate intrinsic value thereof, were as follows:

	Number of Shares		Weighted Average Base Value		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
SARs outstanding		469,565	$	28.74		3.9	$	18,787
SARs exercisable		398,868	$	28.32		3.7	$	16,127

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Business Segment, Geographic Area, Product and Significant Customer Information

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Business Segment, Geographic Area, Product and Significant Customer Information

16) Business Segment, Geographic Area, Product and Significant Customer Information

The Company is a global provider of instruments, subsystems and process control solutions that measure, control, deliver, power, monitor and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity. The Company also provides services relating to the maintenance and repair of products it sells, installation services and training.

The Company’s Chief Operating Decision Maker (“CODM”) utilizes financial information to make decisions about allocating resources and assessing performance for the entire Company, which is used in the decision making process to assess performance. Based upon the information provided to the CODM, the Company has determined it has two reportable segments.

Effective April 29, 2016, in conjunction with the Newport Merger, the Company changed its reportable segments based upon the organizational structure of the Company and how the CODM utilizes information provided to allocate resources and make decisions. The Company’s two reportable segments are: Vacuum & Analysis and Light & Motion. The Vacuum & Analysis segment represents the legacy MKS business and the Light & Motion segment represents the legacy Newport business.

The Vacuum & Analysis segment provides a broad range of instruments, components and subsystems which are derived from the Company’s core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, residual gas analysis, leak detection, control and information technology, ozone generation and delivery, RF & DC power, reactive gas generation and vacuum technology.

The Light & Motion segment provides a broad range of instruments, components and subsystems which are derived from the Company’s core competencies in lasers, photonics and optics.

The Company derives its segment results directly from the manner in which results are reported in its management reporting system. The accounting policies that the Company uses to derive reportable segment results are substantially the same as those used for external reporting purposes. The Company does not disclose external or intersegment revenues separately by reportable segment as this information is not presented to the CODM for decision making purposes.

The following is net revenues by reportable segment:

	Three Months Ended March 31,
	2017		2016
Vacuum & Analysis	$	277,984	$	183,681
Light & Motion		159,169		—
	$	437,153	$	183,681

The following is a reconciliation of segment gross profit to consolidated net income:

	Three Months Ended March 31,
	2017			2016
Gross profit by reportable segment:
Vacuum & Analysis	$	128,924		$	77,913
Light & Motion		76,623			—
Total gross profit by reportable segment		205,547			77,913
Operating expenses:
Research and development		33,282			17,227
Selling, general and administrative		74,220			33,950
Acquisition and integration costs		1,442			2,494
Restructuring		522			—
Amortization of intangible assets		12,501			1,683
Income from operations		83,580			22,559
Interest and other (expense) income, net		(6,295	)		1,246
Income before income taxes		77,285			23,805
Provision for income taxes		12,225			6,242
Net income	$	65,060		$	17,563

The following is capital expenditures by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Capital expenditures	$	2,374	$	1,725	$	4,099
Three Months Ended March 31, 2016:
Capital expenditures	$	2,156	$	—	$	2,156

The following is depreciation and amortization by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Depreciation and amortization	$	5,122	$	16,711	$	21,833
Three Months Ended March 31, 2016:
Depreciation and amortization	$	5,278	$	—	$	5,278

Total income tax expense is not presented by reportable segment because the necessary information is not available or used by the CODM.

The following is segment assets by reportable segment:

March 31, 2017:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	165,210	$	123,247	$	(21,208	)	$	267,249
Inventory, net		167,322		118,196		—			285,518
Total segment assets	$	332,532	$	241,443	$	(21,208	)	$	552,767
December 31, 2016:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	148,516	$	121,516	$	(21,275	)	$	248,757
Inventory, net		165,040		110,829		—			275,869
Total segment assets	$	313,556	$	232,345	$	(21,275	)	$	524,626

A reconciliation of segment assets to consolidated total assets is as follows:

	March 31, 2017		December 31, 2016
Total segment assets	$	552,767	$	524,626
Cash and cash equivalents, restricted cash and investments		426,418		433,231
Income tax receivable and other current assets		52,266		50,770
Property, plant and equipment, net		169,833		174,559
Goodwill and intangible assets, net		986,911		996,589
Other assets		32,352		32,467
Consolidated total assets	$	2,220,547	$	2,212,242

Geographic

Information about the Company’s operations in different geographic regions is presented in the tables below. Net revenues to unaffiliated customers are based on the location in which the sale originated. Transfers between geographic areas are at negotiated transfer prices and have been eliminated from consolidated net revenues.

	Three Months Ended March 31,
	2017		2016
Net revenues:
United States	$	218,050	$	94,218
Korea		44,878		20,550
Japan		37,792		16,236
Asia (excluding Korea and Japan)		88,243		33,456
Europe		48,190		19,221
	$	437,153	$	183,681
Long-lived assets:(1)	March 31, 2017		December 31, 2016
United States	$	119,337	$	122,547
Europe		28,152		28,717
Asia		49,275		49,406
	$	196,764	$	200,670

⁽¹⁾  Long-lived assets include property, plant and equipment, net and certain other long-term assets, excluding long-term tax related accounts.

Goodwill associated with each of our reportable segments is as follows:

	March 31, 2017		December 31, 2016
Reportable segment:
Vacuum & Analysis	$	200,206	$	199,453
Light & Motion		390,296		389,132
Total goodwill	$	590,502	$	588,585

Worldwide Product Information

Because the reportable segment information above does not reflect worldwide sales of the Company’s products, the Company groups its products into seven groups of similar products based upon the similarity of product function. Worldwide net revenue for each group of products is as follows:

	Three Months Ended March 31,
	2017		2016
Analytical and Control Solutions Products	$	31,820	$	22,978
Materials Delivery Solutions Products		43,454		27,509
Power, Plasma and Reactive Gas Solutions Products		122,800		77,116
Pressure and Vacuum Measurement Products		79,910		56,078
Lasers Products		44,944		—
Optics Products		46,505		—
Photonics Products		67,720		—
	$	437,153	$	183,681

Sales of Analytical and Control Solutions Products; Materials Delivery Solutions Products; Power, Plasma and Reactive Gas Solutions Products; and Pressure and Vacuum Measurement Products are included in the Company’s Vacuum & Analysis segment. Sales of Lasers Products; Optics Products; and Photonics Products are included in the Light & Motion segment.

Major Customers

The Company had two customers with net revenues greater than 10% of total net revenues in the periods shown as follows:

	Three Months Ended March 31,
	2017			2016
Applied Materials, Inc.		13.0	%		18.8	%
LAM Research Corporation		12.6	%		17.1	%

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Restructuring

3 Months Ended

Mar. 31, 2017

Restructuring and Related Activities [Abstract]

Restructuring

17) Restructuring

During the three months ended March 31, 2017 and 2016, the Company recorded restructuring charges of $522 and $0, respectively. The restructuring charges for the three months ended March 31, 2017 relate to the restructuring of one of our international facilities and the consolidation of certain sales offices.

The activity related to the Company’s restructuring accrual is shown below:

	Three Months Ended March 31, 2017
Balance at January 1	$	540
Charged to expense		522
Payments and adjustment		(347	)
Balance at March 31	$	715

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

18) Commitments and Contingencies

On March 9, 2016, a putative class action lawsuit captioned Dixon Chung v. Newport Corp., et al, Case No. A-16-733154-C, was filed in the District Court, Clark County, Nevada on behalf of a putative class of stockholders of Newport for claims related to the Merger Agreement between the Company, Newport, and Merger Sub. The complaint, filed on March 9, 2016, named as defendants the Company, Newport and Merger Sub, and certain then-current and former members of Newport’s former board of directors. The complaint alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, and by agreeing to unfair deal protection devices. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, monetary damages, and an award of attorneys’ and other fees and costs, among other relief. On March 25, 2016, the plaintiff in the Chung action filed an amended complaint, which adds certain allegations, including that the preliminary proxy statement filed by Newport on March 15, 2016 (the “Proxy”) omitted material information. The amended complaint also names as defendants the Company, Newport, Merger Sub, and then-current members of Newport’s board of directors.

Also on March 25, 2016, a second putative class action complaint captioned Hubert C. Pincon v. Newport Corp., et al., Case No. A-16-734039-B, was filed in the District Court, Clark County, Nevada, on behalf of a putative class of Newport’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and Merger Sub and the then-current members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company, Newport, and Merger Sub aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks injunctive relief, including to enjoin or rescind the Merger Agreement, and an award of attorneys’ and other fees and costs, among other relief.

On April 14, 2016, the Court granted plaintiffs’ motion to consolidate the Pincon and Chung actions and appointed counsel in the Pincon action as lead counsel. Also on April 14, 2016, the Court granted plaintiffs’ motion for expedited discovery and scheduled a hearing on plaintiffs’ anticipated motion for a preliminary injunction for April 25, 2016. On April 20, 2016, plaintiffs filed a motion to vacate the hearing on their anticipated motion for a preliminary injunction and notified the Court that they did not presently intend to file a motion for a preliminary injunction regarding the Merger Agreement. On April 22, 2016, the Court vacated the hearing on plaintiffs’ anticipated motion for a preliminary injunction. In August, plaintiffs completed the expedited discovery that the Court ordered.

On October 19, 2016, plaintiffs filed an amended complaint captioned In re Newport Corporation Shareholder Litigation, Case No. A-16-733154-B, in the District Court, Clark County, Nevada, on behalf of a class of Newport’s stockholders for claims related to the Merger Agreement. The complaint names as defendants the Company, Newport, and the then-current members of Newport’s former board of directors. It alleges that the named directors breached their fiduciary duties to Newport’s stockholders by agreeing to sell Newport through an inadequate and unfair process, which led to inadequate and unfair consideration, by agreeing to unfair deal protection devices, and by omitting material information from the Proxy. The complaint also alleges that the Company and Newport aided and abetted the named directors’ alleged breaches of their fiduciary duties. The complaint seeks monetary damages, including pre- and post-judgment interest. On December 9, 2016, both the Company and the Newport defendants filed motions to dismiss. Plaintiffs filed an opposition to the motions to dismiss on January 13, 2017. On February 3, 2017, the Company and the Newport defendants filed their reply briefs in support of their motions to dismiss. A hearing on the motions to dismiss was held on February 15, 2017.

The Company believes that the claims asserted in the amended complaint have no merit and the Company, Newport and the named directors intend to defend vigorously against these claims.

The Company is subject to various legal proceedings and claims, which have arisen in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters will not have a material adverse effect on the Company’s results of operations, financial condition or cash flows.

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Subsequent Events

3 Months Ended

Mar. 31, 2017

Subsequent Events [Abstract]

Subsequent Events

19) Subsequent Events

In April 2017, the Company completed the sale of its Data Analytics Solutions business for approximately $80,000 and expects to record a pre-tax gain of approximately $75,000, during the second quarter of 2017. This business, which had net revenues in 2016 of $12,700 and was included in the Vacuum & Analysis segment, was no longer a part of the Company’s long-term strategic objectives.

The business did not qualify as a discontinued operation as this sale did not represent a strategic shift in the Company’s business, nor did the sale have a major effect on the Company’s operations, therefore, the results of operations for all periods are included in the Company’s income from operations.

The assets and liabilities of this business have not been reclassified or segregated in the consolidated balance sheet or consolidated statements of cash flows due to the immaterial amounts.

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Recently Issued Accounting Pronouncements (Policies)

3 Months Ended

Mar. 31, 2017

Accounting Changes and Error Corrections [Abstract]

Recently Issued Accounting Pronouncements

In March 2017, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2017-07, “Compensation-Retirement Benefits (Topic 715)-Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.” This standard requires that an employer disaggregate the service cost component from the other components of net benefit cost. This standard also provides explicit guidance on how to present the service cost component and the other components of the net benefit cost in the income statement and allows only the service cost component of net benefit cost to be eligible for capitalization. The provisions of this ASU are effective for annual periods beginning after December 31, 2017, including interim periods within those fiscal years. Early adoption is permitted as of the beginning of an annual period for which financial statements (interim or annual) have not been issued or made available for issuance. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805)-Clarifying the Definition of a Business.” This standard clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. This standard also provides a more robust framework to use in determining when a set of assets and activities is a business. Because the current definition of a business is interpreted broadly and can be difficult to apply, stakeholders indicated that analyzing transactions is inefficient and costly and that the definition does not permit the use of reasonable judgment. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is applicable under certain circumstances. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, “Statement of Cash Flows (Topic 230)-Restricted Cash,” an amendment to ASU 2016-15. This standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and amounts generally described as restricted cash and restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. Early adoption is permitted. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and should be applied at the time of adoption of ASU 2016-15. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In October 2016, the FASB issued ASU 2016-16, “Income Taxes (Topic 740)-Intra-Entity Transfer of Assets Other Than Inventory.” This standard requires that an entity recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs as opposed to when the assets have been sold to an outside party. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years and early adoption is permitted. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230)-Classification of Certain Cash Receipts and Cash Payments.” This standard addresses eight specific cash flow issues with the objective of addressing the diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows under Topic 230. The provisions of this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842).” This standard requires the recognition of lease assets and liabilities for all leases, with certain exceptions, on the balance sheet. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. This ASU is effective for annual periods beginning after December 15, 2018, including interim periods within those fiscal years. The Company is currently evaluating the requirements of this ASU and has not yet determined its impact on the Company’s consolidated financial statements.

In January 2016, the FASB issued ASU 2016-01, “Financial Instruments—Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities.” This ASU provides guidance for the recognition, measurement, presentation, and disclosure of financial instruments. The new pronouncement revises accounting related to equity investments and the presentation of certain fair value changes for financial assets and liabilities measured at fair value. Among other things, it amends the presentation and disclosure requirements of equity securities that do not result in consolidation and are not accounted for under the equity method. Changes in the fair value of these equity securities will be recognized directly in net income. This pronouncement is effective for annual periods beginning after December 15, 2017, including interim periods within those fiscal years. The Company does not expect adoption of this ASU to have a material impact on the Company’s consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). ASU 2014-09 provides for a single comprehensive model to use in accounting for revenue arising from contracts with customers and will replace most existing revenue recognition guidance in GAAP when it becomes effective. ASU 2014-09 is effective for fiscal years and interim periods within those years beginning after December 15, 2017. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. The Company does not plan to early adopt the standard, but has preliminarily concluded that it will use the modified retrospective method upon adoption in the first quarter of 2018.

In March, April, May and December 2016, the FASB issued additional updates to the new revenue standard relating to reporting revenue on a gross versus net basis, identifying performance obligations and licensing arrangements, narrow-scope improvements and practical expedients, and technical corrections and improvements, respectively. The Company has reviewed its plan for the implementation and will continue to report the status against that plan with the Company’s Audit Committee. The Company has established a cross functional project steering committee and implementation team to identify potential differences that would result from applying the requirements of the new standard to the Company’s revenue contracts and related expense line items. The Company has identified the various revenue streams, including product revenues, service revenues, installation and training, that could be impacted by Topic 606 and has started to review individual customer contracts related to these revenue streams to determine if any material differences exist between the current revenue standard, Accounting Standards Codification Topic 605 and Topic 606. In the second quarter of 2017, the Company will be reviewing the additional disclosure requirements of the new standard and the potential impact on its internal control structure and revenue recognition policy. The Company has not completed its assessment of the new revenue recognition standard and has not yet determined the impact on its consolidated financial statements. The Company anticipates that it will complete its assessment of the new standard and its potential financial impact by the end of the third quarter of 2017.

Intangibles-Goodwill and Other

In January 2017, the FASB issued ASU 2017-04, “Intangibles-Goodwill and Other (Topic 350).” This standard simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of goodwill. The provisions of this ASU are effective for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company expects to adopt this new standard in 2017 when it performs its annual goodwill impairment test in the fourth quarter. The adoption of this ASU is not expected to have a material impact on the Company’s consolidated financial statements.

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Investments (Tables)

3 Months Ended

Mar. 31, 2017

Investments, Debt and Equity Securities [Abstract]

Short-Term and Long-Term Investments Available-for-Sale and Cost Method Investments

The fair value of investments classified as short-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	23,818
Bankers’ acceptance drafts		1,117		1,439
Asset-backed securities		36,682		36,809
Commercial paper		12,134		24,381
Corporate obligations		51,393		46,707
Municipal bonds		251		591
Promissory note		675		675
U.S. treasury obligations		20,424		25,414
U.S. agency obligations		29,144		29,629
	$	155,299	$	189,463

Investments classified as long-term consists of the following:

	March 31, 2017		December 31, 2016
Available-for-sale investments:
Group insurance contracts	$	5,633	$	5,558
Cost method investments:
Minority interest in a private company(1)		4,300		4,300
	$	9,933	$	9,858

⁽¹⁾  In April 2016, the Company invested $9,300 for a minority interest in a private company. For the year ended December 31, 2016, the Company recognized $5,000 of impairment charges related to this cost method investment.

Gross Unrealized Gains and (Losses) Aggregated by Investment Category

The following tables show the gross unrealized gains and (losses) aggregated by investment category for available-for-sale investments:

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	3,479	$	—	$	—		$	3,479
Bankers’ acceptance drafts		1,117		—		—			1,117
Asset-backed securities		36,711		12		(41	)		36,682
Commercial paper		12,160		—		(26	)		12,134
Corporate obligations		51,328		70		(5	)		51,393
Municipal bonds		251		—		—			251
Promissory note		675		—		—			675
U.S. treasury obligations		20,418		6		—			20,424
U.S. agency obligations		29,114		34		(4	)		29,144
	$	155,253	$	122	$	(76	)	$	155,299

As of March 31, 2017:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,497	$	—	$	(864	)	$	5,633

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Short-term investments:
Available-for-sale investments:
Time deposits and certificates of deposit	$	23,818	$	—	$	—		$	23,818
Bankers acceptance drafts		1,439		—		—			1,439
Asset-backed securities		36,847		6		(44	)		36,809
Commercial paper		24,423		—		(42	)		24,381
Corporate obligations		46,700		21		(14	)		46,707
Municipal bonds		591		—		—			591
Promissory note		675		—		—			675
U.S. treasury obligations		25,414		—		—			25,414
U.S. agency obligations		29,631		8		(10	)		29,629
	$	189,538	$	35	$	(110	)	$	189,463

As of December 31, 2016:	Cost		Gross Unrealized Gains		Gross Unrealized (Losses)			Estimated Fair Value
Long-term investments:
Available-for-sale investments:
Group insurance contracts	$	6,276	$	—	$	(718	)	$	5,558

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis

Assets and liabilities of the Company are measured at fair value on a recurring basis as of March 31, 2017 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	March 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	1,263	$	1,263	$	—	$	—
Time deposits and certificates of deposit		2,300		—		2,300		—
Bankers’ acceptance drafts		682		—		682		—
Commercial paper		10,604		—		10,604		—
Corporate obligations		1,550		—		1,550		—
Restricted cash – money market funds		5,274		5,274		—		—
Available-for-sale investments:
Time deposits and certificates of deposit		3,479		—		3,479		—
Bankers’ acceptance drafts		1,117		—		1,117		—
Asset-backed securities		36,682		—		36,682		—
Commercial paper		12,134		—		12,134		—
Corporate obligations		51,393		—		51,393		—
Municipal bonds		251		—		251		—
Promissory note		675		—		675		—
U.S. treasury obligations		20,424		—		20,424		—
U.S. agency obligations		29,144		—		29,144		—
Group insurance contracts		5,633		—		5,633		—
Derivatives – currency forward contracts		664		—		664		—
Derivatives – options contracts		14		—		14		—
Funds in investments and other assets:
Israeli pension assets		14,024		—		14,024		—
Derivatives – interest rate hedge – non-current		5,428		—		5,428		—
Restricted cash – non-current		744		744		—		—
Total assets	$	203,479	$	7,281	$	196,198	$	—
Liabilities:
Derivatives – currency forward contracts	$	3,666	$	—	$	3,666	$	—
Reported as follows:
Assets:
Cash and cash equivalents(1)	$	16,399	$	1,263	$	15,136	$	—
Restricted cash		5,274		5,274		—		—
Short-term investments		155,299		—		155,299		—
Other current assets		678		—		678		—
Total current assets	$	177,650	$	6,537	$	171,113	$	—
Long-term investments(2)		5,633		—		5,633		—
Other long-term assets		19,452		—		19,452		—
Restricted cash – non-current		744		744		—		—
Total long-term assets	$	25,829	$	744	$	25,085	$	—
Liabilities:
Other current liabilities	$	3,666	$	—	$	3,666	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $238,663 and non-negotiable time deposits of $850 as of March 31, 2017.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

Assets and liabilities of the Company are measured at fair value on a recurring basis as of December 31, 2016 and are summarized as follows:

			Fair Value Measurements at Reporting Date Using
Description	December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	10,155	$	10,155	$	—	$	—
Time deposits and certificates of deposit		4,900		—		4,900		—
Bankers acceptance drafts		448		—		448		—
Commercial paper		11,828		—		11,828		—
Corporate obligations		2,025		—		2,025		—
U.S. agency obligations		3,899		—		3,899		—
Restricted cash – money market funds		5,287		5,287		—		—
Available-for-sale securities:
Time deposits and certificates of deposit		23,818		—		23,818		—
Bankers acceptance drafts		1,439		—		1,439		—
Asset-backed securities		36,809		—		36,809		—
Commercial paper		24,381		—		24,381		—
Corporate obligations		46,707		—		46,707		—
Municipal bonds		591		—		591		—
Promissory note		675		—		675		—
U.S. treasury obligations		25,414		—		25,414		—
U.S. agency obligations		29,629		—		29,629		—
Group insurance contracts		5,558		—		5,558		—
Derivatives – currency forward contracts		2,985		—		2,985		—
Derivatives – options contracts		4		—		4		—
Funds in investments and other assets:
Israeli pension assets		13,910		—		13,910		—
Derivatives – interest rate hedge – non-current		4,900		—		4,900		—
Restricted cash – non-current		573		573		—		—
Total assets	$	255,935	$	16,015	$	239,920	$	—
Liabilities:
Derivatives – currency forward contracts	$	543	$	—	$	543	$	—
Derivatives – options contracts		16		—		16		—
Total liabilities	$	559	$	—	$	559	$	—
Assets:
Cash and cash equivalents(1)	$	33,255	$	10,155	$	23,100	$	—
Restricted cash		5,287		5,287		—		—
Short-term investments		189,463		—		189,463		—
Other current assets		2,989		—		2,989		—
Total current assets	$	230,994	$	15,442	$	215,552	$	—
Long-term investments(2)	$	5,558	$	—	$	5,558	$	—
Other long-term assets		18,810		—		18,810		—
Restricted cash – non-current		573		573		—		—
Total long-term assets	$	24,941	$	573	$	24,368	$	—
Liabilities:
Other current liabilities	$	559	$	—	$	559	$	—

⁽¹⁾  The cash and cash equivalent amounts presented in the table above do not include cash of $192,432 and non-negotiable time deposits of $2,936 as of December 31, 2016.

⁽²⁾  The long-term investments presented in the table above do not include our minority interest investment in a private company, which is accounted for under the cost method.

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Primary Net Hedging Positions and Corresponding Fair Values

The following tables provide a summary of the primary net hedging positions and corresponding fair values held as of March 31, 2017 and December 31, 2016:

	March 31, 2017
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	35,644	$	(493	)
U.S. Dollar/South Korean Won		45,972		(1,804	)
U.S. Dollar/Euro		20,150		(15	)
U.S. Dollar/U.K. Pound Sterling		6,599		(43	)
U.S. Dollar/Taiwan Dollar		16,594		(647	)
Total	$	124,959	$	(3,002	)

	December 31, 2016
Currency Hedged (Buy/Sell)	Gross Notional Value		Fair Value(1) Asset/(Liability)
U.S. Dollar/Japanese Yen	$	30,522	$	763
U.S. Dollar/South Korean Won		50,049		1,342
U.S. Dollar/Euro		18,040		156
U.S. Dollar/U.K. Pound Sterling		6,067		117
U.S. Dollar/Taiwan Dollar		15,530		64
Total	$	120,208	$	2,442

⁽¹⁾  Represents the fair value of the net (liability) asset amount included in the consolidated balance sheet.

Summary of Fair Value Amounts of Company's Derivative Instruments

The following table provides a summary of the fair value amounts of the Company’s derivative instruments:

Derivatives Designated as Hedging Instruments	March 31, 2017			December 31, 2016
Derivative assets:
Foreign exchange contracts(1)	$	664		$	2,985
Foreign currency options contracts(1)		14			4
Foreign currency interest rate hedge(2)		5,428			4,900
Derivative liabilities:
Foreign exchange contracts(1)		(3,666	)		(543	)
Foreign currency options contracts(1)		—			(16	)
Total net derivative assets designated as hedging instruments	$	2,440		$	7,330

⁽¹⁾  The derivative asset of $678 and derivative liability of $(3,666) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of March 31, 2017. The derivative asset of $2,989 and derivative liability of $(559) related to the foreign exchange contracts and foreign currency option contracts are classified in other current assets and other current liabilities in the consolidated balance sheet as of December 31, 2016. These foreign exchange contracts are subject to a master netting agreement with one financial institution. However, the Company has elected to record these contracts on a gross basis in the balance sheet.

⁽²⁾  The foreign currency interest rate hedge assets of $5,428 and $4,900 are classified in other assets in the consolidated balance sheet as of March 31, 2017 and December 31, 2016, respectively,

Summary of (Losses) Gains on Derivatives Designated as Hedging Instruments

The following table provides a summary of the (losses) gains on derivatives designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Designated as Cash Flow Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in OCI(1)	$	(6,978	)	$	(3,418	)
Net gain reclassified from accumulated OCI into income(2)	$	452		$	696

⁽¹⁾  Net change in the fair value of the effective portion classified in OCI.

⁽²⁾  Effective portion classified in cost of products for the three months ended March 31, 2017 and 2016. The tax effect of the gains or losses reclassified from accumulated OCI into income is immaterial.

Summary of Losses on Derivatives Not Designated as Hedging Instruments

The following table provides a summary of the losses on derivatives not designated as hedging instruments:

	Three Months Ended March 31,
Derivatives Not Designated as Hedging Instruments	2017			2016
Forward exchange contracts:
Net loss recognized in income(1)	$	(1,463	)	$	(565	)

⁽¹⁾  The Company enters into foreign exchange contracts to hedge against changes in the balance sheet for certain subsidiaries and also enters into foreign currency option contracts to mitigate the risk associated with certain foreign currency transactions in the ordinary course of business. These derivatives are not designated as hedging instruments and gains or losses from these derivatives are recorded immediately in selling, general and administrative expenses.

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Inventories, net (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consist of the following:

	March 31, 2017		December 31, 2016
Raw materials	$	159,354	$	150,150
Work-in-process		48,306		39,105
Finished goods		77,858		86,614
	$	285,518	$	275,869

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Acquisitions (Tables) - Newport [Member]

3 Months Ended

Mar. 31, 2017

Summary of Purchase Price

The purchase price of Newport consisted of the following:

Cash paid for outstanding  shares(1)	$	905,254
Settlement of share-based compensation awards(2)		8,824
Cash paid for Newport debt(3)		93,200
Total purchase price	$	1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

⁽¹⁾  Represents cash paid of $23.00 per share for approximately 39,359,000 shares of Newport common stock, without interest and subject to a deduction for any required withholding tax.

⁽²⁾  Represents the vested but not issued portion of Newport share-based compensation awards as of the acquisition date of April 29, 2016.

⁽³⁾  Represents the cash paid for the outstanding balance of Newport’s senior secured revolving credit agreement.

Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed

The following table summarizes the allocation of the purchase price to the fair values assigned to assets acquired and liabilities assumed at the date of the Newport Merger:

Current assets (including cash)	$	186,137
Inventory		142,714
Intangible assets		404,506
Goodwill		396,027
Property, plant and equipment		119,932
Long-term assets		22,725
Total assets acquired		1,272,041
Current liabilities		95,156
Intangible liability		4,302
Other long-term liabilities		165,305
Total liabilities assumed		264,763
Fair value of assets acquired and liabilities assumed		1,007,278
Less: Cash and cash equivalents acquired		(61,463	)
Total purchase price, net of cash and cash equivalents acquired	$	945,815

Allocation of Acquired Intangible Assets and Related Estimates of Useful Lives

The following table reflects the allocation of the acquired intangible assets and liabilities and related estimate of useful lives:

Order backlog	$	12,100	1 year
Customer relationships		247,793	6-18 years
Trademarks and trade names		55,900	Indefinite
Developed technology		75,386	4-8 years
In-process research and development		6,899	Undefined(1)
Leasehold interest (favorable)		6,428	4-5 years
Total intangible assets	$	404,506
Leasehold interest (unfavorable)	$	4,302

⁽¹⁾  The useful lives of in-process research and development will be defined in the future upon further evaluation of the status of these programs.

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The changes in the carrying amount of goodwill and accumulated impairment (loss) during the three months ended March 31, 2017 and year ended December 31, 2016 were as follows:

	Three Months Ended March 31, 2017							Twelve Months Ended December 31, 2016
	Gross Carrying Amount		Accumulated Impairment (Loss)			Net		Gross Carrying Amount			Accumulated Impairment (Loss)			Net
Beginning balance at January 1	$	727,999	$	(139,414	)	$	588,585	$	339,117		$	(139,414	)	$	199,703
Acquired goodwill(1)		—		—			—		396,027			—			396,027
Foreign currency translation		1,917		—			1,917		(7,145	)		—			(7,145	)
Ending balance at March 31, 2017 and December 31, 2016	$	729,916	$	(139,414	)	$	590,502	$	727,999		$	(139,414	)	$	588,585

⁽¹⁾  During 2016, the Company recorded $396,027 of goodwill related to the Newport Merger.

Intangible Assets

Components of the Company’s intangible assets are comprised of the following:

As of March 31, 2017:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology	$	176,586	$	(103,127	)	$	(746	)	$	72,713
Customer relationships		285,044		(34,246	)		(2,634	)		248,164
Patents, trademarks, trade names and other		111,723		(36,118	)		(73	)		75,532
	$	573,353	$	(173,491	)	$	(3,453	)	$	396,409

As of December 31, 2016:	Gross		Accumulated Amortization			Foreign Currency Translation			Net
Completed technology(1)	$	176,586	$	(97,707	)	$	(1,068	)	$	77,811
Customer relationships(1)		285,044		(29,709	)		(3,404	)		251,931
Patents, trademarks, trade names and other(1)		111,723		(33,397	)		(64	)		78,262
	$	573,353	$	(160,813	)	$	(4,536	)	$	408,004

⁽¹⁾  During 2016, the Company recorded $404,506 of separately identified intangible assets related to the Newport Merger, of which $75,386 was completed technology, $247,793 was customer relationships and $81,327 was patents, trademarks, trade names, in-process research and development and other. During 2016, the Company also recorded $4,302 of unfavorable lease commitments, which is recorded in other liabilities in the balance sheet.

Estimated Net Amortization Expense

Aggregate net amortization expense related to acquired intangible assets and unfavorable lease commitments for future years is as follows:

Year	Amount
2017 (remaining)	$	33,053
2018		42,951
2019		39,833
2020		27,940
2021		20,071
2022		17,475
Thereafter		155,672

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Debt (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Schedule of Short-Term Debt

	March 31, 2017		December 31, 2016
Short-term debt:
Japanese lines of credit	$	3,461	$	4,245
Japanese receivables financing facility		782		458
Other debt		98		8
Current portion of Term Loan Facility		6,282		6,282
	$	10,623	$	10,993

(1)     Net of deferred financing fees, original issuance discount and re-pricing fee of $16,987 and $19,642 as of March 31, 2017 and December 31, 2016, respectively.

Schedule of Long-Term Debt

	March 31, 2017		December 31, 2016
Long-term debt:
Austrian loans due through March 2020	$	467	$	548
Term Loan Facility, net(1)		551,765		600,681
	$	552,232	$	601,229

⁽¹⁾  Net of deferred financing fees, original issuance discount and re-pricing fee of $16,987 and $19,642 as of March 31, 2017 and December 31, 2016, respectively.

Schedule of Contractual Maturities of Debt Obligations

Contractual maturities of the Company’s debt obligations as of March 31, 2017, are as follows:

Year	Amount
2017 (remaining)	$	9,053
2018		6,298
2019		6,687
2020		6,327
2021		6,282
2022		6,282
Thereafter		538,913

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Product Warranties (Tables)

3 Months Ended

Mar. 31, 2017

Guarantees [Abstract]

Product Warranty Activities

Product warranty activities were as follows:

	Three Months Ended March 31,
	2017			2016
Beginning of period	$	8,261		$	5,205
Provision for product warranties		3,014			783
Direct charges to warranty liability		(2,857	)		(984	)
Foreign currency translation		67			35
End of period	$	8,485		$	5,039

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Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

	Three Months Ended March 31,
	2017		2016
Numerator:
Net income	$	65,060	$	17,563
Denominator:
Shares used in net income per common share – basic		53,769,000		53,235,000
Effect of dilutive securities:
Restricted stock units, stock appreciation rights and shares issued under employee stock purchase plan		1,189,000		328,000
Shares used in net income per common share – diluted		54,958,000		53,563,000
Net income per common share:
Basic	$	1.21	$	0.33
Diluted	$	1.18	$	0.33

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Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Schedule of Total Stock-Based Compensation Expense Included in Company's Consolidated Statements of Income and Comprehensive Income

The total stock-based compensation expense included in the Company’s consolidated statements of income and comprehensive income was as follows:

	Three Months Ended March 31, 2017		Three Months Ended March 31, 2016
Cost of revenues	$	930	$	440
Research and development expense		745		374
Selling, general and administrative expense		7,107		3,338
Total pre-tax stock-based compensation expense	$	8,782	$	4,152

Summary of Activity for RSUs

The following table presents the activity for RSUs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding RSUs			Weighted Average Grant Date Fair Value
RSUs – beginning of period		1,325,516		$	34.38
Accrued dividend shares		47			66.20
Granted		171,179			66.06
Vested		(499,743	)		33.59
Forfeited or expired		(34,180	)		33.50
RSUs – end of period		962,819		$	40.46

Summary of Activity for Outstanding and Exercisable SARs

At March 31, 2017, the Company’s outstanding and exercisable SARs, the weighted-average base value, the weighted average remaining contractual life and the aggregate intrinsic value thereof, were as follows:

	Number of Shares		Weighted Average Base Value		Weighted Average Remaining Contractual Life (years)		Aggregate Intrinsic Value
SARs outstanding		469,565	$	28.74		3.9	$	18,787
SARs exercisable		398,868	$	28.32		3.7	$	16,127

Stock Appreciation Rights (SARs) [Member]

Summary of Activity for Outstanding and Exercisable SARs

The following table presents the activity for SARs under the Plan:

	Three Months Ended March 31, 2017
	Outstanding SARs			Weighted Average Grant Date Fair Value
SARs – beginning of period		599,334		$	28.10
Granted		—			—
Exercised		(120,206	)		25.81
Forfeited or expired		(9,563	)		25.58
SARs Outstanding – end of period		469,565		$	28.74

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Business Segment, Geographic Area, Product and Significant Customer Information (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Net Revenues, Assets and Goodwill by Reportable Segment

The following is net revenues by reportable segment:

	Three Months Ended March 31,
	2017		2016
Vacuum & Analysis	$	277,984	$	183,681
Light & Motion		159,169		—
	$	437,153	$	183,681

The following is segment assets by reportable segment:

March 31, 2017:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	165,210	$	123,247	$	(21,208	)	$	267,249
Inventory, net		167,322		118,196		—			285,518
Total segment assets	$	332,532	$	241,443	$	(21,208	)	$	552,767
December 31, 2016:	Vacuum & Analysis		Light & Motion		Corporate, Eliminations and Other			Total
Segment assets:
Accounts receivable	$	148,516	$	121,516	$	(21,275	)	$	248,757
Inventory, net		165,040		110,829		—			275,869
Total segment assets	$	313,556	$	232,345	$	(21,275	)	$	524,626

Goodwill associated with each of our reportable segments is as follows:

	March 31, 2017		December 31, 2016
Reportable segment:
Vacuum & Analysis	$	200,206	$	199,453
Light & Motion		390,296		389,132
Total goodwill	$	590,502	$	588,585

Reconciliation of Segment Gross Profit to Consolidated Net Income

The following is a reconciliation of segment gross profit to consolidated net income:

	Three Months Ended March 31,
	2017			2016
Gross profit by reportable segment:
Vacuum & Analysis	$	128,924		$	77,913
Light & Motion		76,623			—
Total gross profit by reportable segment		205,547			77,913
Operating expenses:
Research and development		33,282			17,227
Selling, general and administrative		74,220			33,950
Acquisition and integration costs		1,442			2,494
Restructuring		522			—
Amortization of intangible assets		12,501			1,683
Income from operations		83,580			22,559
Interest and other (expense) income, net		(6,295	)		1,246
Income before income taxes		77,285			23,805
Provision for income taxes		12,225			6,242
Net income	$	65,060		$	17,563

Schedule of Capital Expenditures, Depreciation and Amortization Expense of Intangible Assets by Reportable Segment

The following is capital expenditures by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Capital expenditures	$	2,374	$	1,725	$	4,099
Three Months Ended March 31, 2016:
Capital expenditures	$	2,156	$	—	$	2,156

The following is depreciation and amortization by reportable segment for the three months ended March 31, 2017 and 2016:

	Vacuum & Analysis		Light & Motion		Total
Three Months Ended March 31, 2017:
Depreciation and amortization	$	5,122	$	16,711	$	21,833
Three Months Ended March 31, 2016:
Depreciation and amortization	$	5,278	$	—	$	5,278

Reconciliation of Segment Assets to Consolidated Total Assets

A reconciliation of segment assets to consolidated total assets is as follows:

	March 31, 2017		December 31, 2016
Total segment assets	$	552,767	$	524,626
Cash and cash equivalents, restricted cash and investments		426,418		433,231
Income tax receivable and other current assets		52,266		50,770
Property, plant and equipment, net		169,833		174,559
Goodwill and intangible assets, net		986,911		996,589
Other assets		32,352		32,467
Consolidated total assets	$	2,220,547	$	2,212,242

Schedule of Net Revenues and Long-Lived Assets by Geographic Regions

Transfers between geographic areas are at negotiated transfer prices and have been eliminated from consolidated net revenues.

	Three Months Ended March 31,
	2017		2016
Net revenues:
United States	$	218,050	$	94,218
Korea		44,878		20,550
Japan		37,792		16,236
Asia (excluding Korea and Japan)		88,243		33,456
Europe		48,190		19,221
	$	437,153	$	183,681
Long-lived assets:(1)	March 31, 2017		December 31, 2016
United States	$	119,337	$	122,547
Europe		28,152		28,717
Asia		49,275		49,406
	$	196,764	$	200,670

⁽¹⁾  Long-lived assets include property, plant and equipment, net and certain other long-term assets, excluding long-term tax related accounts.

Worldwide Net Revenue for Each Group of Products

Worldwide net revenue for each group of products is as follows:

	Three Months Ended March 31,
	2017		2016
Analytical and Control Solutions Products	$	31,820	$	22,978
Materials Delivery Solutions Products		43,454		27,509
Power, Plasma and Reactive Gas Solutions Products		122,800		77,116
Pressure and Vacuum Measurement Products		79,910		56,078
Lasers Products		44,944		—
Optics Products		46,505		—
Photonics Products		67,720		—
	$	437,153	$	183,681

Customers with Net Revenues Greater than 10% of Total Net Revenues

The Company had two customers with net revenues greater than 10% of total net revenues in the periods shown as follows:

	Three Months Ended March 31,
	2017			2016
Applied Materials, Inc.		13.0	%		18.8	%
LAM Research Corporation		12.6	%		17.1	%

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Restructuring (Tables)

3 Months Ended

Mar. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of Company's Restructuring Activity

The activity related to the Company’s restructuring accrual is shown below:

	Three Months Ended March 31, 2017
Balance at January 1	$	540
Charged to expense		522
Payments and adjustment		(347	)
Balance at March 31	$	715

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Investments - Investments Classified as Short-Term Available-for-Sale Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	$ 155,299	$ 189,463
Time Deposits and Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	3,479	23,818
Bankers Acceptance Drafts [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	1,117	1,439
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	36,682	36,809
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	12,134	24,381
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	51,393	46,707
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	251	591
Promissory Note [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	675	675
U.S. Treasury Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	20,424	25,414
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value of available-for-sale investments	$ 29,144	$ 29,629

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Investments - Investments Classified as Long-Term Available-for-Sale Investments and Long-Term Cost Method Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities and Cost-method Investments [Line Items]
Investments classified as long-term	$ 9,933	$ 9,858
Available-for-Sale Investments [Member] | Group Insurance Contracts [Member]
Schedule of Available-for-sale Securities and Cost-method Investments [Line Items]
Investments classified as long-term	5,633	5,558
Cost-method Investments [Member] | Minority Interest in Private Company [Member]
Schedule of Available-for-sale Securities and Cost-method Investments [Line Items]
Investments classified as long-term	$ 4,300	$ 4,300

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Investments - Investments Classified as Long-Term Available-for-Sale Investments and Long-Term Cost Method Investments (Parenthetical) (Detail) - Minority Interest in Private Company [Member] - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 27, 2016	Apr. 30, 2016	Dec. 31, 2016	Dec. 31, 2016
Schedule of Cost-method Investments [Line Items]
Investments in minority interest	$ 9,300	$ 9,300
Impairment charges			$ 5,000	$ 5,000

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Investments - Gross Unrealized Gains and (Losses) Aggregated by Investment Category (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	$ 155,253	$ 189,538
Investments, Gross Unrealized Gains	122	35
Investments, Gross Unrealized (Losses)	(76)	(110)
Investments, Estimated Fair Value	155,299	189,463
Time Deposits and Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	3,479	23,818
Investments, Estimated Fair Value	3,479	23,818
Bankers Acceptance Drafts [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	1,117	1,439
Investments, Estimated Fair Value	1,117	1,439
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	36,711	36,847
Investments, Gross Unrealized Gains	12	6
Investments, Gross Unrealized (Losses)	(41)	(44)
Investments, Estimated Fair Value	36,682	36,809
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	12,160	24,423
Investments, Gross Unrealized (Losses)	(26)	(42)
Investments, Estimated Fair Value	12,134	24,381
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	51,328	46,700
Investments, Gross Unrealized Gains	70	21
Investments, Gross Unrealized (Losses)	(5)	(14)
Investments, Estimated Fair Value	51,393	46,707
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	251	591
Investments, Estimated Fair Value	251	591
Promissory Note [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	675	675
Investments, Estimated Fair Value	675	675
U.S. Treasury Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	20,418	25,414
Investments, Gross Unrealized Gains	6
Investments, Estimated Fair Value	20,424	25,414
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	29,114	29,631
Investments, Gross Unrealized Gains	34	8
Investments, Gross Unrealized (Losses)	(4)	(10)
Investments, Estimated Fair Value	29,144	29,629
Group Insurance Contracts [Member] | Long Term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments, Cost	6,497	6,276
Investments, Gross Unrealized (Losses)	(864)	(718)
Investments, Estimated Fair Value	$ 5,633	$ 5,558

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Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash	$ 5,274	$ 5,287
Available-for-sale securities	155,299	189,463
Short-term investments	155,299	189,463
Derivatives - contracts		2,989
Other long-term assets	32,352	32,467
Derivatives - liabilities		559
Interest Rate Hedge [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - contracts	5,428	4,900
Derivatives - interest rate hedge - non-current	5,428
Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash - non-current	744	573
Total assets	203,479	255,935
Total liabilities		559
Cash and cash equivalents	16,399	33,255
Restricted cash	5,274	5,287
Short-term investments	155,299	189,463
Derivatives - contracts	678	2,989
Total current assets	177,650	230,994
Available-for-sale securities	5,633	5,558
Other long-term assets	19,452	18,810
Restricted cash - non-current	744	573
Total long-term assets	25,829	24,941
Derivatives - liabilities	3,666	559
Fair Value Measurements, Recurring [Member] | Currency Forward Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - contracts	664	2,985
Derivatives - liabilities	3,666	543
Fair Value Measurements, Recurring [Member] | Options Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - contracts	14	4
Derivatives - liabilities		16
Fair Value Measurements, Recurring [Member] | Interest Rate Hedge [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - interest rate hedge - non-current	5,428	4,900
Money Market Funds [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,263	10,155
Restricted cash	5,274	5,287
Time Deposits and Certificates of Deposit [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	2,300	4,900
Available-for-sale securities	3,479	23,818
Bankers Acceptance Drafts [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	682	448
Available-for-sale securities	1,117	1,439
U.S. Agency Obligations [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents		3,899
Available-for-sale securities	29,144	29,629
Asset-Backed Securities [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	36,682	36,809
U.S. Treasury Obligations [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	20,424	25,414
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash - non-current	744	573
Total assets	7,281	16,015
Cash and cash equivalents	1,263	10,155
Restricted cash	5,274	5,287
Total current assets	6,537	15,442
Restricted cash - non-current	744	573
Total long-term assets	744	573
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Money Market Funds [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,263	10,155
Restricted cash	5,274	5,287
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	196,198	239,920
Total liabilities		559
Cash and cash equivalents	15,136	23,100
Short-term investments	155,299	189,463
Derivatives - contracts	678	2,989
Total current assets	171,113	215,552
Available-for-sale securities	5,633	5,558
Other long-term assets	19,452	18,810
Total long-term assets	25,085	24,368
Derivatives - liabilities	3,666	559
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member] | Currency Forward Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - contracts	664	2,985
Derivatives - liabilities	3,666	543
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member] | Options Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - contracts	14	4
Derivatives - liabilities		16
Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member] | Interest Rate Hedge [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives - interest rate hedge - non-current	5,428	4,900
Significant Other Observable Inputs (Level 2) [Member] | Time Deposits and Certificates of Deposit [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	2,300	4,900
Available-for-sale securities	3,479	23,818
Significant Other Observable Inputs (Level 2) [Member] | Bankers Acceptance Drafts [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	682	448
Available-for-sale securities	1,117	1,439
Significant Other Observable Inputs (Level 2) [Member] | U.S. Agency Obligations [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents		3,899
Available-for-sale securities	29,144	29,629
Significant Other Observable Inputs (Level 2) [Member] | Asset-Backed Securities [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	36,682	36,809
Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Obligations [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	20,424	25,414
Commercial Paper [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	12,134	24,381
Commercial Paper [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	10,604	11,828
Available-for-sale securities	12,134	24,381
Commercial Paper [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	10,604	11,828
Available-for-sale securities	12,134	24,381
Corporate Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	51,393	46,707
Corporate Obligations [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,550	2,025
Available-for-sale securities	51,393	46,707
Corporate Obligations [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,550	2,025
Available-for-sale securities	51,393	46,707
Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	251	591
Municipal Bonds [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	251	591
Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	251	591
Promissory Note [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	675	675
Promissory Note [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	675	675
Promissory Note [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	675	675
Group Insurance Contracts [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,633	5,558
Group Insurance Contracts [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,633	5,558
Israeli Pension Assets [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance	14,024	13,910
Israeli Pension Assets [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash surrender value of life insurance	$ 14,024	$ 13,910

XML

Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash/Non-negotiable time deposits - not subject to fair value disclosure requirements	$ 255,912	$ 228,623	$ 357,855	$ 227,574
Cash [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash/Non-negotiable time deposits - not subject to fair value disclosure requirements	238,663	192,432
Non-Negotiable Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash/Non-negotiable time deposits - not subject to fair value disclosure requirements	$ 850	$ 2,936

XML

Derivatives - Additional Information (Detail) - USD ($)		3 Months Ended
	Sep. 30, 2016	Mar. 31, 2017	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Maximum period for hedging a portion of forecasted foreign currency denominated intercompany sales of inventory		18 months
Gross notional values of outstanding forward foreign exchange contracts		$ 124,959,000	$ 120,208,000
Accumulated other comprehensive income realization period		12 months
Interest Rate Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Percentage of debt which is subject to interest rate swap fixed rate	50.00%
Interest rate swap agreement, credit spread rate	3.50%
Interest rate swap agreement, maturity date	Sep. 30, 2020
Interest rate swap agreement, notional amount	$ 335,000,000
Interest rate swap agreement, interest rate description		The Company entered into an interest rate swap agreement to fix the rate on approximately 50% of its remaining outstanding balance of the Credit Agreement, as described further in Note 9. This hedge fixes the interest rate paid on the hedged debt at 1.198% per annum plus the credit spread of 3.50% through September 30, 2020
Interest rate swap agreement, fair value		$ 5,428,000
Cash Flow Hedging [Member] | Interest Rate Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Interest rate swap agreement, interest rate	1.198%

XML

Derivatives - Summary of Primary Net Hedging Positions and Corresponding Fair Values (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	$ 124,959	$ 120,208
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	(3,002)	2,442
Forward Exchange Contracts [Member] | U.S. Dollar/Japanese Yen [Member]
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	35,644	30,522
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	(493)	763
Forward Exchange Contracts [Member] | U.S. Dollar/South Korean Won [Member]
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	45,972	50,049
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	(1,804)	1,342
Forward Exchange Contracts [Member] | U.S. Dollar/Euro [Member]
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	20,150	18,040
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	(15)	156
Forward Exchange Contracts [Member] | U.S. Dollar/U.K. Pound Sterling [Member]
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	6,599	6,067
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	(43)	117
Forward Exchange Contracts [Member] | U.S. Dollar/Taiwan Dollar [Member]
Derivative [Line Items]
Currency Hedged (Buy/Sell), Gross Notional Value, Net	16,594	15,530
Currency Hedged (Buy/Sell), Fair Value, (Liability)/Asset, Net	$ (647)	$ 64

XML

Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Derivative assets		$ 2,989
Derivative liabilities		(559)
Total net derivative assets designated as hedging instruments	$ (3,002)	2,442
Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Total net derivative assets designated as hedging instruments	2,440	7,330
Foreign Exchange Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	664	2,985
Derivative liabilities	(3,666)	(543)
Foreign Currency Options Contracts [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	14	4
Derivative liabilities		(16)
Interest Rate Hedge [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	5,428	4,900
Interest Rate Hedge [Member] | Derivatives Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative assets	$ 5,428	$ 4,900

XML

Derivatives - Summary of Fair Value Amounts of Company's Derivative Instruments (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Derivative asset classified in other current assets		$ 2,989
Derivative liability classified in other current liabilities		(559)
Interest Rate Hedge [Member]
Derivatives, Fair Value [Line Items]
Derivative asset classified in other current assets	$ 5,428	$ 4,900
Foreign Exchange Contracts and Foreign Exchange Option Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative asset classified in other current assets	678
Derivative liability classified in other current liabilities	$ (3,666)

XML

Derivatives - Summary of (Losses) Gains on Derivatives Designated as Hedging Instruments (Detail) - Forward Exchange Contracts [Member] - Cash Flow Hedging [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Net loss recognized in OCI	$ (6,978)	$ (3,418)
Net gain reclassified from accumulated OCI into income	$ 452	$ 696

XML

Derivatives - Summary of Losses on Derivatives Not Designated as Hedging Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Forward Exchange Contracts [Member]
Derivative Instruments Gain Loss Not Designated As Hedging Instruments [Line Items]
Net loss recognized in income	$ (1,463)	$ (565)

XML

Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 159,354	$ 150,150
Work-in-process	48,306	39,105
Finished goods	77,858	86,614
Inventories	$ 285,518	$ 275,869

XML

Acquisitions - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended			12 Months Ended
	Apr. 27, 2016	Apr. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2016	Apr. 29, 2016
Business Acquisition [Line Items]
Business acquisition share price			$ 23.00
Stock-based compensation expense			$ 8,782		$ 4,152
Minority Interest in Private Company [Member]
Business Acquisition [Line Items]
Investments in minority interest	$ 9,300	$ 9,300
Impairment charges				$ 5,000		$ 5,000
Newport [Member]
Business Acquisition [Line Items]
Business acquisition share price							$ 23.00
Incremental cost of sale charges						15,090
Fair value write-up of acquired property, plant and equipment			$ 36,242
Compensation expense						5,816
Stock-based compensation expense						$ 3,334

XML

Acquisitions - Summary of Purchase Price (Detail) - Newport [Member] $ in Thousands	Apr. 29, 2016 USD ($)
Business Acquisition [Line Items]
Cash paid for outstanding shares	$ 905,254
Settlement of share-based compensation awards	8,824
Cash paid for Newport debt	93,200
Total purchase price	1,007,278
Less: Cash and cash equivalents acquired	(61,463)
Total purchase price, net of cash and cash equivalents acquired	$ 945,815

XML

Acquisitions - Summary of Purchase Price (Parenthetical) (Detail)	Mar. 31, 2017 $ / shares shares
Business Combinations [Abstract]
Business acquisition share price | $ / shares	$ 23.00
Business acquisition number of shares acquired | shares	39,359,000

XML

Acquisitions - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Apr. 29, 2016	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 590,502	$ 588,585	$ 199,703
Newport [Member]
Business Acquisition [Line Items]
Current assets (including cash)	$ 186,137
Inventory	142,714
Intangible assets	404,506
Goodwill	396,027		$ 396,027
Property, plant and equipment	119,932
Long-term assets	22,725
Total assets acquired	1,272,041
Current liabilities	95,156
Intangible liability	4,302
Other long-term liabilities	165,305
Total liabilities assumed	264,763
Fair value of assets acquired and liabilities assumed	1,007,278
Less: Cash and cash equivalents acquired	(61,463)
Total purchase price, net of cash and cash equivalents acquired	$ 945,815

XML

Acquisitions - Allocation of Acquired Intangible Assets and Liabilities Related Estimates of Useful Lives (Detail) - USD ($) $ in Thousands		12 Months Ended
	Apr. 29, 2016	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 404,506
Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price		$ 404,506
Order Backlog [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 12,100
Estimated useful life of finite-lived intangible assets	1 year
Customer Relationships [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 247,793	$ 247,793
Customer Relationships [Member] | Newport [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	6 years
Customer Relationships [Member] | Newport [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	18 years
Trademarks and Trade Names [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 55,900
Estimated useful life of finite-lived intangible assets	Indefinite
Developed Technology [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 75,386
Developed Technology [Member] | Newport [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	4 years
Developed Technology [Member] | Newport [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	8 years
In-process Research and Development [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 6,899
Estimated useful life of finite-lived intangible assets	Undefined
Leasehold Interest Favorable [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 6,428
Leasehold Interest Favorable [Member] | Newport [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	4 years
Leasehold Interest Favorable [Member] | Newport [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	5 years
Leasehold Interest Unfavorable [Member] | Newport [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, purchase price	$ 4,302

XML

Goodwill and Intangible Assets - Goodwill (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Beginning balance, Goodwill Gross Carrying Amount	$ 727,999	$ 339,117
Acquired goodwill, Gross Carrying Amount		396,027
Foreign currency translation, Gross Carrying Amount	1,917	(7,145)
Ending balance, Goodwill Gross Carrying Amount	729,916	727,999
Beginning balance, Accumulated Impairment (Loss)	(139,414)	(139,414)
Acquired goodwill, Accumulated Impairment (Loss)	0	0
Foreign currency translation, Accumulated Impairment (Loss)	0	0
Ending balance, Accumulated Impairment (Loss)	(139,414)	(139,414)
Beginning balance, Goodwill Net	588,585	199,703
Acquired goodwill, Net		396,027
Foreign currency translation, Net	1,917	(7,145)
Ending balance, Goodwill Net	$ 590,502	$ 588,585

XML

Goodwill and Intangible Assets - Goodwill (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Apr. 29, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill	$ 590,502	$ 588,585		$ 199,703
Newport [Member]
Goodwill [Line Items]
Goodwill		$ 396,027	$ 396,027

XML

Goodwill and Intangible Assets - Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	$ 573,353	$ 573,353
Accumulated Amortization	(173,491)	(160,813)
Foreign Currency Translation	(3,453)	(4,536)
Intangible assets, net	396,409	408,004
Completed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	176,586	176,586
Accumulated Amortization	(103,127)	(97,707)
Foreign Currency Translation	(746)	(1,068)
Intangible assets, net	72,713	77,811
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	285,044	285,044
Accumulated Amortization	(34,246)	(29,709)
Foreign Currency Translation	(2,634)	(3,404)
Intangible assets, net	248,164	251,931
Patents, Trademarks, Trade Names and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	111,723	111,723
Accumulated Amortization	(36,118)	(33,397)
Foreign Currency Translation	(73)	(64)
Intangible assets, net	$ 75,532	$ 78,262

XML

Goodwill and Intangible Assets - Intangible Assets (Parenthetical) (Detail) - USD ($) $ in Thousands		12 Months Ended
	Apr. 29, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 404,506
Newport [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		$ 404,506
Unfavorable lease commitments		4,302
Newport [Member] | Completed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		75,386
Newport [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets	$ 247,793	247,793
Newport [Member] | Patents, Trademarks, Trade Names and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets		$ 81,327

XML

Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 12,501	$ 1,683	$ 1,683
Amortization income from unfavorable lease commitments	$ 177

XML

Goodwill and Intangible Assets - Estimated Net Amortization Expense (Detail) $ in Thousands	Mar. 31, 2017 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2017 (remaining)	$ 33,053
2018	42,951
2019	39,833
2020	27,940
2021	20,071
2022	17,475
Thereafter	$ 155,672

XML

Debt - Additional Information (Detail)				1 Months Ended	3 Months Ended
	Dec. 14, 2016	Sep. 30, 2016 USD ($)	Jun. 09, 2016 USD ($)	Sep. 30, 2016 USD ($)	Mar. 31, 2017 USD ($) Institution SecurityLoan	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Nov. 30, 2016 USD ($)
Interest Rate Hedge [Member]
Debt Instrument [Line Items]
Interest rate swap agreement, maturity date		Sep. 30, 2020
Interest rate swap agreement, notional amount		$ 335,000,000		$ 335,000,000
Interest rate swap agreement, credit spread rate		3.50%		3.50%
Japan [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 20,547,000
Number of financial institutions for available lines of credit and borrowing arrangements | Institution					2
Aggregate borrowings expire and renewed					3 month intervals
Total borrowings outstanding					$ 0		$ 0
Austria [Member]
Debt Instrument [Line Items]
Number of outstanding loans | SecurityLoan					4
Interest on loans payable					Semi-annually
Minimum [Member] | Austria [Member]
Debt Instrument [Line Items]
Loan interest rate					0.75%
Maximum [Member] | Austria [Member]
Debt Instrument [Line Items]
Loan interest rate					2.00%
Revolving Lines of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 11,167,000
Revolving Lines of Credit [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Line of credit base interest rate					1.25%
Term Loan Credit Agreement [Member]
Debt Instrument [Line Items]
Interest expense					$ 8,831,000	$ 44,000
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 780,000,000
Debt instrument, interest rate terms					Borrowings under the Term Loan Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, and (4) a floor of 1.75%, plus, in each case, an applicable margin (that was initially 3.00% and was decreased as described below); or (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, subject to a LIBOR rate floor of 0.75%, plus an applicable margin (that was initially 4.00% and was decreased as described below). The Company has elected the interest rate as described in clause (b). The Term Loan Facility was issued with original issue discount of 1.00% of the principal amount thereof.
Debt instrument, issue discount percentage on principal					1.00%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.50%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | Adjusted One Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.00%
Period of Libor measurement					1 month
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | Floor Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.75%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | Floor Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					3.00%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | LIBOR Floor Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.75%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt [Member] | LIBOR Floor Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					4.00%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 1 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate			2.50%
Debt instrument, pre-payment premium percentage			1.00%
Debt instrument, pre-payment premium			$ 7,300,000
Debt instrument, prepaid principal amount			$ 50,000,000
Debt instrument, prepaid amount				$ 60,000,000
Deferred finance fees, original issue discount and re-pricing fee, gross					$ 28,747,000
Deferred finance fees, original issue discount and re-pricing fee, net					$ 16,987,000
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 1 [Member] | Interest Rate Hedge [Member]
Debt Instrument [Line Items]
Interest rate swap agreement, maturity date		Sep. 30, 2020
Interest rate swap agreement, notional amount		$ 335,000,000		$ 335,000,000
Interest rate swap agreement, interest rate		1.198%		1.198%
Interest rate swap agreement, credit spread rate		3.50%		3.50%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 1 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, quarterly payment percentage					0.25
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 1 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate			3.50%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 2 [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 575,034,000
Debt instrument, prepaid principal amount					200,000,000			$ 40,000,000
Debt instrument, scheduled principal payments					4,966,000
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 2 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	2.75%
Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 2 [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.75%
Newport [Member] | Asset Based Credit Agreement [Member]
Debt Instrument [Line Items]
Debt issuance cost capitalized					$ 1,201,000
Contractual term					5 years
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Secured term loan, face amount					$ 50,000,000
Debt instrument, interest rate terms					Borrowings under the ABL Facility bear interest per annum at one of the following rates selected by the Company: (a) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the “prime rate” quoted in The Wall Street Journal, and (3) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for an interest period of one month adjusted for certain additional costs, plus 1.00%, plus, in each case, an initial applicable margin of 0.75%; and (b) a LIBOR rate determined by reference to the costs of funds for U.S. dollar deposits for the interest period relevant to such borrowing adjusted for certain additional costs, plus an initial applicable margin of 1.75%.
Percentage of borrowing based on eligible accounts					85.00%
Percentage of borrowing based on lower of cost or market value of certain eligible inventory					65.00%
Percentage of borrowing based on net orderly liquidation value of certain eligible inventory					85.00%
Percentage of borrowing base					30.00%
Initial commitment fee percentage					0.375%
Total commitment fee recognized in interest expense					$ 128,000
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member] | Maximum [Member]
Debt Instrument [Line Items]
Percentage of borrowing based on book value of certain eligible accounts					70.00%
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member] | Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.50%
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member] | Adjusted One Month LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.00%
Period of Libor measurement					1 month
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					1.75%
Newport [Member] | Asset Based Credit Agreement [Member] | Secured Debt [Member] | Initial Margin Rate [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate					0.75%
Newport [Member] | Asset Based Credit Agreement [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Borrowing capacity in the form of letters of credit					$ 15,000,000

XML

Debt - Schedule of Short Term Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Short-term Debt [Line Items]
Short term debt	$ 6,282	$ 6,282
Short term debt	10,623	10,993
Other Debt [Member]
Short-term Debt [Line Items]
Short term debt	98	8
Japan [Member] | Line of Credit [Member]
Short-term Debt [Line Items]
Short term debt	3,461	4,245
Japan [Member] | Receivables Financing Facility [Member]
Short-term Debt [Line Items]
Short term debt	$ 782	$ 458

XML

Debt - Schedule of Long Term Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long term debt	$ 552,232	$ 601,229
Term Loan Facility, Net [Member]
Debt Instrument [Line Items]
Long term debt	551,765	600,681
Australia [Member] | Loans Due Through March 2020 [Member]
Debt Instrument [Line Items]
Long term debt	$ 467	$ 548

XML

Debt - Schedule of Long Term Debt (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Term Loan Facility, Net [Member]
Debt Instrument [Line Items]
Deferred financing fees, original issuance discount and re-pricing fee	$ 16,987	$ 19,642

XML

Debt - Schedule of Contractual Maturities of Debt Obligations (Detail) $ in Thousands	Mar. 31, 2017 USD ($)
Maturities of Long-term Debt [Abstract]
2017 (remaining)	$ 9,053
2018	6,298
2019	6,687
2020	6,327
2021	6,282
2022	6,282
Thereafter	$ 538,913

XML

Product Warranties - Product Warranty Activities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Guarantees [Abstract]
Beginning of period	$ 8,261	$ 5,205
Provision for product warranties	3,014	783
Direct charges to warranty liability	(2,857)	(984)
Foreign currency translation	67	35
End of period	$ 8,485	$ 5,039

XML

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Taxes [Line Items]
Effective tax rate	15.80%	26.20%
Gross unrecognized tax benefits excluding interest and penalties	$ 25,925		$ 25,465
Net unrecognized tax benefit excluding interest and penalties that would impact effective tax rate	18,854
Accrued interest on unrecognized tax benefits	469		$ 491
Net unrecognized tax benefits, excluding interest and penalties, related to foreign tax positions	$ 1,702
Income tax examination, description	The Company and its subsidiaries are subject to examination by U.S. federal, state and foreign tax authorities. The U.S. statute of limitations remains open for tax years 2013 through present. The statute of limitations for the Company's tax filings in other jurisdictions varies between fiscal years 2008 through present. We also have certain federal credit carry-forwards and state tax loss and credit carry-forwards that are open to examination for tax years 2000 through the present.
Earliest Tax Year [Member]
Income Taxes [Line Items]
Open tax year	2013

XML

Pension Plans - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Net periodic benefit costs	$ 260
Company's contributions	$ 227

XML

Net Income Per Share - Reconciliation of Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Numerator:
Net income	$ 65,060	$ 17,563
Denominator:
Shares used in net income per common share - basic	53,769,000	53,235,000
Effect of dilutive securities:
Restricted stock units, stock appreciation rights and shares issued under employee stock purchase plan	1,189,000	328,000
Shares used in net income per common share - diluted	54,958,000	53,563,000
Net income per common share:
Basic	$ 1.21	$ 0.33
Diluted	$ 1.18	$ 0.33

XML

Net Income Per Share - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restricted Stock Units (RSUs) [Member]
Earnings Per Share [Line Items]
Number of shares excluded from computation of diluted earnings per share	0	0
Stock Appreciation Rights (SARs) [Member]
Earnings Per Share [Line Items]
Number of shares excluded from computation of diluted earnings per share	0	0

XML

Stockholders' Equity - Additional Information (Detail) - USD ($)		3 Months Ended
	Jul. 25, 2011	Mar. 31, 2017	Mar. 31, 2016
Equity [Abstract]
Common stock, value of shares authorized to repurchase	$ 200,000,000
Stock repurchase, shares	1,770,000	0	45,000
Value of shares repurchased	$ 52,000,000		$ 1,545,000
Average price of repurchased shares			$ 34.50
Cash dividends per common share		$ 0.175	$ 0.170
Dividend payment to common shareholders		$ 9,419,000	$ 9,056,000

XML

Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended
	Apr. 29, 2016	May 31, 2016	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance			18,000,000
Total compensation expense related to unvested stock-based awards granted to employees, officers and directors			$ 23,759
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued as per merger agreement			1,260,525
Number of RSUs outstanding			17,462
Dividend reinvestment			234
Restricted stock units, granted			171,179
Restricted stock units, weighted average grant date fair value			$ 66.06
Restricted Stock Units (RSUs) [Member] | Newport Deferred Compensation [Member] | Outside Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Newport RSUs converted to MKS RSUs at Merger date			36,599
Newport RSUs converted to MKS RSUs at Merger date and released		19,137
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, granted			0
Restricted stock units, weighted average grant date fair value			$ 0
Newport [Member] | Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued as per merger agreement	360,674
Newport [Member] | Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued as per merger agreement	899,851

XML

Stock Based Compensation - Schedule of Total Stock-Based Compensation Expense Included in Company's Consolidated Statements of Income and Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total pre-tax stock-based compensation expense	$ 8,782	$ 4,152
Cost of Revenues [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total pre-tax stock-based compensation expense	930	440
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total pre-tax stock-based compensation expense	745	374
Selling, General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total pre-tax stock-based compensation expense	$ 7,107	$ 3,338

XML

Stock Based Compensation - Summary of Activity for RSUs (Detail)	3 Months Ended
	Mar. 31, 2017 $ / shares shares
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs/SARs - beginning of period | shares	1,325,516
Granted | shares	171,179
Vested | shares	(499,743)
Forfeited or expired | shares	(34,180)
RSUs/SARs - end of period | shares	962,819
RSUs/SARs, Weighted Average Grant Date Fair Value, Beginning of period | $ / shares	$ 34.38
Weighted Average Grant Date Fair Value, Granted | $ / shares	66.06
Weighted Average Grant Date Fair Value, Vested | $ / shares	33.59
Weighted Average Grant Date Fair Value, Forfeited or expired | $ / shares	33.50
RSUs/SARs, Weighted Average Grant Date Fair Value, end of period | $ / shares	$ 40.46
Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued dividend shares | shares	47
Weighted Average Grant Date Fair Value, Accrued dividend shares | $ / shares	$ 66.20

XML

Stock-Based Compensation - Summary of Activity for SARs (Detail) - Stock Appreciation Rights (SARs) [Member]	3 Months Ended
	Mar. 31, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs/SARs - beginning of period | shares	599,334
Granted, Outstanding SARs | shares	0
Exercised, Outstanding SARs | shares	(120,206)
Forfeited or expired, Outstanding SARs | shares	(9,563)
RSUs/SARs - end of period | shares	469,565
RSUs/SARs, Weighted Average Grant Date Fair Value, Beginning of period | $ / shares	$ 28.10
Granted, Weighted Average Grant Date Fair Value | $ / shares	0
Exercised, Weighted Average Grant Date Fair Value | $ / shares	25.81
Forfeited or expired, Weighted Average Grant Date Fair Value | $ / shares	25.58
RSUs/SARs, Weighted Average Grant Date Fair Value, end of period | $ / shares	$ 28.74

XML

Stock Based Compensation - Summary of Activity for Outstanding and Exercisable SARs (Detail) - Stock Appreciation Rights (SARs) [Member] - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
SARs outstanding	469,565	599,334
SARs exercisable	398,868
Weighted Average Base Value, SARs outstanding	$ 28.74
Weighted Average Base Value, SARs exercisable	$ 28.32
Weighted Average Remaining Contractual Life, SARs outstanding	3 years 10 months 24 days
Weighted Average Remaining Contractual Life, SARs exercisable	3 years 8 months 12 days
Aggregate Intrinsic Value, SARs outstanding	$ 18,787
Aggregate Intrinsic Value, SARs exercisable	$ 16,127

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2017 Segment Customer Product
Segment Reporting [Abstract]
Number of reportable segments | Segment	2
Number of product groups | Product	7
Number of customers with net revenues greater than 10% of total net revenues | Customer	2
Entity wide net revenue major customer percentage minimum	10.00%

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Net Revenues by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Total net revenues	$ 437,153	$ 183,681
Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Total net revenues	277,984	$ 183,681
Light & Motion [Member]
Segment Reporting Information [Line Items]
Total net revenues	$ 159,169

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Reconciliation of Segment Gross Profit to Consolidated Net Income (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Gross profit	$ 205,547	$ 77,913
Research and development	33,282	17,227
Selling, general and administrative	74,220	33,950
Acquisition and integration costs	1,442	2,494
Restructuring	522	0
Amortization of intangible assets	12,501	1,683	$ 1,683
Income from operations	83,580	22,559
Interest and other (expense) income, net	(6,295)	1,246
Income before income taxes	77,285	23,805
Provision for income taxes	12,225	6,242
Net income	65,060	17,563
Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Gross profit	128,924	$ 77,913
Light & Motion [Member]
Segment Reporting Information [Line Items]
Gross profit	$ 76,623

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Schedule of Capital Expenditures, Depreciation and Amortization Expense of Intangible Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Capital expenditures	$ 4,099	$ 2,156
Depreciation and amortization	21,833	5,278
Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Capital expenditures	2,374	2,156
Depreciation and amortization	5,122	$ 5,278
Light & Motion [Member]
Segment Reporting Information [Line Items]
Capital expenditures	1,725
Depreciation and amortization	$ 16,711

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Segment Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Accounts receivable	$ 267,249	$ 248,757
Inventory, net	285,518	275,869
Total assets	2,220,547	2,212,242
Operating Segments [Member]
Segment Reporting Information [Line Items]
Accounts receivable	267,249	248,757
Inventory, net	285,518	275,869
Total assets	552,767	524,626
Operating Segments [Member] | Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Accounts receivable	165,210	148,516
Inventory, net	167,322	165,040
Total assets	332,532	313,556
Operating Segments [Member] | Light & Motion [Member]
Segment Reporting Information [Line Items]
Accounts receivable	123,247	121,516
Inventory, net	118,196	110,829
Total assets	241,443	232,345
Corporate, Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Accounts receivable	(21,208)	(21,275)
Total assets	$ (21,208)	$ (21,275)

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Reconciliation of Segment Assets to Consolidated Total Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]
Consolidated total assets	$ 2,220,547	$ 2,212,242
Income tax receivable and other current assets	52,266	50,770
Property, plant and equipment, net	169,833	174,559
Other assets	32,352	32,467
Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Consolidated total assets	552,767	524,626
Segment Reconciling Items [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Cash and cash equivalents, restricted cash and investments	426,418	433,231
Income tax receivable and other current assets	52,266	50,770
Property, plant and equipment, net	169,833	174,559
Goodwill and intangible assets, net	986,911	996,589
Other assets	$ 32,352	$ 32,467

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Schedule of Net Revenues and Long-Lived Assets by Geographic Regions (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 437,153	$ 183,681
Long-lived assets	196,764		$ 200,670
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	218,050	94,218
Long-lived assets	119,337		122,547
Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	44,878	20,550
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	37,792	16,236
Asia (Excluding Korea and Japan) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	88,243	33,456
Long-lived assets	49,275		49,406
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	48,190	$ 19,221
Long-lived assets	$ 28,152		$ 28,717

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Summary of Goodwill Associated with Reportable Segments (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Goodwill	$ 590,502	$ 588,585	$ 199,703
Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Goodwill	200,206	199,453
Light & Motion [Member]
Segment Reporting Information [Line Items]
Goodwill	$ 390,296	$ 389,132

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Worldwide Net Revenue for Each Group of Products (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue from External Customer [Line Items]
Net sales from product groups	$ 437,153	$ 183,681
Analytical and Control Solutions Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	31,820	22,978
Materials Delivery Solutions Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	43,454	27,509
Power Plasma and Reactive Gas Solutions Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	122,800	77,116
Pressure and Vacuum Measurement Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	79,910	$ 56,078
Lasers Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	44,944
Optics Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	46,505
Photonics Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	$ 67,720

XML

Business Segment, Geographic Area, Product and Significant Customer Information - Customers with Net Revenues Greater than 10% of Total Net Revenues (Detail) - Customer Concentration Risk [Member] - Sales Revenue, Net [Member]	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Applied Materials, Inc [Member]
Revenue, Major Customer [Line Items]
Percentage of total net revenues	13.00%	18.80%
LAM Research Corporation [Member]
Revenue, Major Customer [Line Items]
Percentage of total net revenues	12.60%	17.10%

XML

Restructuring - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Facilities	Mar. 31, 2016 USD ($)
Restructuring and Related Activities [Abstract]
Restructuring charges | $	$ 522	$ 0
Number of facilities consolidated | Facilities	1

XML

Restructurings - Schedule of Company's Restructuring Activity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring and Related Activities [Abstract]
Balance at January 1	$ 540
Charged to expense	522	$ 0
Payments and adjustment	(347)
Balance at March 31	$ 715

XML

Subsequent Event - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended			12 Months Ended
	Apr. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Subsequent Event [Line Items]
Net revenues			$ 437,153	$ 183,681
Data Analytics Solutions Business [Member]
Subsequent Event [Line Items]
Net revenues					$ 12,700
Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from sale of business unit	$ 80,000
Scenario, Forecast [Member]
Subsequent Event [Line Items]
Pre-tax gain		$ 75,000