Intangible Assets (Tables)

3 Months Ended

Apr. 04, 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:

(In thousands)	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net of amortization April 4, 2015
Developed technology	4.7	$	135,700	$	(6,873	)	$	128,827
Customer relationships	5.5	37,258		(5,032		)	32,226
Licensed technology	2.5	1,852		(50		)	1,802
Patents	5	769		(11		)	758
Total identified finite-lived intangible assets		175,579		(11,966		)	163,613
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	210,579	$	(11,966	)	$	198,613

Schedule of Acquired Indefinite-lived Intangible Assets by Major Class

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

(In thousands)	Weighted Average Amortization Period (in years)	Gross		Accumulated Amortization			Intangible assets, net of amortization April 4, 2015
Developed technology	4.7	$	135,700	$	(6,873	)	$	128,827
Customer relationships	5.5	37,258		(5,032		)	32,226
Licensed technology	2.5	1,852		(50		)	1,802
Patents	5	769		(11		)	758
Total identified finite-lived intangible assets		175,579		(11,966		)	163,613
In-process research and development	indefinite	35,000		—			35,000
Total identified intangible assets		$	210,579	$	(11,966	)	$	198,613

Finite-lived Intangible Assets Amortization Expense

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

	Three Months Ended
(In thousands)	April 4, 2015		March 29, 2014
Research and development	$	61	$	—
Amortization of acquired intangible assets	2,942		737
	$	3,003	$	737

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 9 months)	$	27,491
2016	36,452
2017	35,635
2018	29,752
Thereafter	34,283
Total	$	163,613