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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015 and 2014 are as follows:

		Wireless Test				Industrial Automation				System Test				Semiconductor Test				Total
		(in thousands)
Balance at December 31, 2013:
Goodwill		$	361,792			$	—			$	148,183			$	260,540			$	770,515
Accumulated impairment losses			—				—				(148,183	)			(260,540	)			(408,723	)
ZTEC adjustment			27				—				—				—				27
AIT acquisition			—				—				10,516				—				10,516
Balance at December 31, 2014:
Goodwill			361,819				—				158,699				260,540				781,058
Accumulated impairment losses			(98,897	)			—				(148,183	)			(260,540	)			(507,620	)
Universal Robots acquisition			—				221,128				—				—				221,128
Foreign currency translation adjustment			—				(6,153	)			—				—				(6,153	)
Balance at December 31, 2015:
Goodwill			361,819				214,975				158,699				260,540				996,033
Accumulated impairment losses			(98,897	)			—				(148,183	)			(260,540	)			(507,620	)
		$	262,922			$	214,975			$	10,516			$	—			$	488,413

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, 2015
		Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Weighted Average Useful Life
		(in thousands)
Developed technology		$	379,778			$	220,306			$	159,472				6.0 years
Customer relationships			110,340				63,718				46,622				7.9 years
Tradenames and trademarks			52,396				18,879				33,517				9.5 years
Non-compete agreement			320				100				220				4.0 years
Customer backlog			170				170				—				0.3 years
Total intangible assets		$	543,004			$	303,173			$	239,831				6.7 years

		December 31, 2014
		Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Weighted Average Useful Life
		(in thousands)
Developed technology		$	345,513			$	224,059			$	121,454				6.2 years
Customer relationships			146,635				93,998				52,637				7.7 years
Tradenames and trademarks			30,414				14,205				16,209				9.0 years
Non-compete agreement			320				20				300				4.0 years
Customer backlog			170				170				—				0.3 years
Total intangible assets		$	523,052			$	332,452			$	190,600				6.8 years

Schedule of Estimated Intangible Asset Amortization Expense

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

Year		Amortization Expense
		(in thousands)
2016		$	79,874
2017			71,133
2018			44,464
2019			23,611
2020			9,990
Thereafter			10,759

X

- 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=26713463&loc=d3e16323-109275

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
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X

- Definition

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
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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