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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the years ended December 31, 2017 and 2016 are as follows:

		Industrial Automation				System Test				Wireless Test				Semiconductor Test				Total
		(in thousands)
Balance at December 31, 2015:
Goodwill		$	214,975			$	158,699			$	361,819			$	260,540			$	996,033
Accumulated impairment losses			—				(148,183	)			(98,897	)			(260,540	)			(507,620	)
			214,975				10,516				262,922				—				488,413
Foreign currency translation adjustment			(10,124	)			—				—				—				(10,124	)
Goodwill impairment losses			—				—				(254,946	)			—				(254,946	)
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			28,668				—				—				—				28,668
Balance at December 31, 2017:
Goodwill			233,519				158,699				361,819				260,540				1,014,577
Accumulated impairment losses			—				(148,183	)			(353,843	)			(260,540	)			(762,566	)
		$	233,519			$	10,516			$	7,976			$	—			$	252,011

Schedule of Estimated Intangible Assets Amortization Expense

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

Year		Amortization Expense
		(in thousands)
2018		$	29,496
2019			25,533
2020			11,249
2021			3,732
2022			2,927
Thereafter			6,151

Wireless Test

Schedule of Amortizable Intangible Assets

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

		December 31, 2017
		Gross Carrying Amount				Accumulated Amortization				Foreign Currency Translation Adjustment				Net Carrying Amount
		(in thousands)
Developed technology		$	270,877			$	(226,190	)		$	1,618			$	46,305
Customer relationships			92,741				(83,585	)			171				9,327
Tradenames and trademarks			50,100				(27,120	)			416				23,396
Non-compete agreement			320				(260	)			—				60
Total intangible assets		$	414,038			$	(337,155	)		$	2,205			$	79,088

		December 31, 2016
		Gross Carrying Amount				Accumulated Amortization				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 intangible assets		$	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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