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Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Deferred Revenue by Arrangement

A rollforward of the Company’s deferred revenue is as follows:

		Six Months Ended June 30, 2018
Beginning balance, January 1(1)		$	14,448
Amount of deferred revenue recognized in income			(10,092	)
Additions to deferred revenue			9,924
Ending balance, June 30(2)		$	14,280

⁽¹⁾ Beginning deferred revenue as of January 1, 2018 included $11,322 of current deferred revenue and $3,126 of long-term deferred revenue.

⁽²⁾ Ending deferred revenue as of June 30, 2018 included $10,729 of current deferred revenue and $3,551 of long-term deferred revenue.

Summary of Revenue from Contracts with Customers

The following table summarizes revenue from contracts with customers:

		Three Months Ended June 30, 2018
		Vacuum & Analysis				Light & Motion				Total
Net revenues:
Products		$	321,454			$	188,545			$	509,999
Services			46,874				16,267				63,141
Total net revenues		$	368,328			$	204,812			$	573,140
		Three Months Ended June 30, 2017
		Vacuum & Analysis				Light & Motion				Total
Net revenues:
Products		$	269,665			$	156,652			$	426,317
Services			40,296				14,144				54,440
Total net revenues		$	309,961			$	170,796			$	480,757

		Six Months Ended June 30, 2018
		Vacuum & Analysis				Light & Motion				Total
Net revenues:
Products		$	625,790			$	380,886			$	1,006,676
Services			90,882				29,857				120,739
Total net revenues		$	716,672			$	410,743			$	1,127,415

		Six Months Ended June 30, 2017
		Vacuum & Analysis				Light & Motion				Total
Net revenues:
Products		$	511,120			$	303,135			$	814,255
Services			76,825				26,830				103,655
Total net revenues		$	587,945			$	329,965			$	917,910

X

- Definition

Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 8
-Subparagraph (b)
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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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