Intangible Assets (Tables)

3 Months Ended

Apr. 02, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Acquired Finite-lived Intangible Assets by Major Class

The following table summarizes the details of our total purchased intangible assets:

	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net of amortization
(In thousands)							April 2, 2016
Developed technology	4.7	$	131,844	$	(35,801	)	$	96,043
Customer relationships	5.5	30,800		(10,142		)	20,658
Licensed technology	2.5	2,127		(758		)	1,369
Patents	5	769		(164		)	605
Total identified finite-lived intangible assets		165,540		(46,865		)	118,675
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	200,540	$	(46,865	)	$	153,675

Schedule of Acquired Indefinite-lived Intangible Assets by Major Class

The following table summarizes the details of our total purchased intangible assets:

	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net of amortization
(In thousands)							April 2, 2016
Developed technology	4.7	$	131,844	$	(35,801	)	$	96,043
Customer relationships	5.5	30,800		(10,142		)	20,658
Licensed technology	2.5	2,127		(758		)	1,369
Patents	5	769		(164		)	605
Total identified finite-lived intangible assets		165,540		(46,865		)	118,675
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	200,540	$	(46,865	)	$	153,675

Finite-lived Intangible Assets Amortization Expense

We recorded amortization expense on the Consolidated Statements of Operations as follows:

	Three Months Ended
(In thousands)	April 2, 2016		April 4, 2015
Research and development	$	186	$	61
Amortization of acquired intangible assets	8,721		2,942
	$	8,907	$	3,003

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The annual expected amortization expense related to acquired intangible assets with finite lives is as follows:

(In thousands)	Amount
2016 (remaining 9 months)	$	26,169
2017	33,275
2018	26,793
2019	24,009
2020	6,063
Thereafter	2,366
Total	$	118,675