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Goodwill and Acquired Intangible Assets (Tables)

9 Months Ended

Oct. 01, 2017

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the nine months ended October 1, 2017, were as follows:

		Industrial Automation				System Test				Wireless Test				Semiconductor Test				Total
		(in thousands)
Balance at December 31, 2016
Goodwill		$	204,851			$	158,699			$	361,819			$	260,540			$	985,909
Accumulated impairment losses			—				(148,183	)			(353,843	)			(260,540	)			(762,566	)
			204,851				10,516				7,976				—				223,343
Foreign currency translation adjustment			25,934				—				—				—				25,934
Balance at October 1, 2017
Goodwill			230,785				158,699				361,819				260,540				1,011,843
Accumulated impairment losses			—				(148,183	)			(353,843	)			(260,540	)			(762,566	)
		$	230,785			$	10,516			$	7,976			$	—			$	249,277

Schedule of Estimated Acquired Intangible Asset Amortization Expense

Estimated acquired intangible assets amortization expense for each of the five succeeding fiscal years is as follows:

Year		Amortization Expense
		(in thousands)
2017(remainder)			7,348
2018			29,268
2019			25,295
2020			11,134
2021			3,703
Thereafter			8,981

Wireless Test

Schedule of Amortizable Acquired Intangible Assets

Amortizable acquired intangible assets consist of the following and are included in acquired intangible assets, net on the balance sheet:

		October 1, 2017
		Gross Carrying Amount				Accumulated Amortization				Cumulative Foreign Currency Translation Adjustment				Net Carrying Amount
		(in thousands)
Developed technology		$	270,877			$	(221,051	)		$	1,057			$	50,883
Customer relationships			92,741				(82,286	)			111				10,566
Tradenames and trademarks			50,100				(26,171	)			271				24,200
Non-compete agreement			320				(240	)			—				80
Total		$	414,038			$	(329,748	)		$	1,439			$	85,729

		December 31, 2016
		Gross Carrying Amount				Accumulated Amortization				Cumulative Foreign Currency Translation Adjustment				Net Carrying Amount
		(in thousands)
Developed technology		$	270,877			$	(206,376	)		$	(5,093	)		$	59,408
Customer relationships			92,741				(76,707	)			(538	)			15,496
Tradenames and trademarks			50,100				(23,435	)			(1,308	)			25,357
Non-compete agreement			320				(180	)			—				140
Total		$	414,038			$	(306,698	)		$	(6,939	)		$	100,401

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 20
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