Intangible Assets (Tables)

9 Months Ended

Oct. 03, 2015

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)							October 3, 2015
Developed technology	4.7	$	135,700	$	(21,337	)	$	114,363
Customer relationships	5.5	37,258		(8,448		)	28,810
Licensed technology	2.5	1,852		(422		)	1,430
Patents	5	769		(87		)	682
Total identified finite-lived intangible assets		175,579		(30,294		)	145,285
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	210,579	$	(30,294	)	$	180,285

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)							October 3, 2015
Developed technology	4.7	$	135,700	$	(21,337	)	$	114,363
Customer relationships	5.5	37,258		(8,448		)	28,810
Licensed technology	2.5	1,852		(422		)	1,430
Patents	5	769		(87		)	682
Total identified finite-lived intangible assets		175,579		(30,294		)	145,285
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	210,579	$	(30,294	)	$	180,285

Finite-lived Intangible Assets Amortization Expense

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

	Three Months Ended				Nine Months Ended
(In thousands)	October 3, 2015		September 27, 2014		October 3, 2015		September 27, 2014
Research and development	$	223	$	—	$	507	$	—
Amortization of acquired intangible assets	8,941		737		20,824		2,211
	$	9,164	$	737	$	21,331	$	2,211

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

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

(In thousands)	Amount
2015 (remaining 3 months)	$	9,164
2016	36,452
2017	35,635
2018	29,752
Thereafter	34,282
Total	$	145,285