Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill balances and activity during the three months ended March 30, 2014 were as follows (in thousands):

	Carrying Amount
Balance as of December 29, 2013	$	318,111
Adjustment	(181		)
Balance as of March 30, 2014	$	317,930

Intangible Assets

Intangible asset balances were as follows (in thousands):

	March 30, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Developed product technology	$	292,769	$	(129,520	)	$	163,249
Customer relationships	7,600		(2,326		)	5,274
Trademarks	8,900		(1,700		)	7,200
Covenants not to compete	2,400		(2,400		)	—
Acquisition-related intangible assets	311,669		(135,946		)	175,723
Technology licenses and patents	109,600		(70,524		)	39,076
Total intangible assets subject to amortization	421,269		(206,470		)	214,799
Acquired in-process research and development (“IPR&D”)	6,300		—			6,300
Total intangible assets	$	427,569	$	(206,470	)	$	221,099

	December 29, 2013
	Gross Carrying Amount		Accumulated Amortization			Impairment			Net Carrying Amount
Developed product technology	$	348,385	$	(121,304	)	$	(44,216	)	$	182,865
Customer relationships	20,650		(14,426		)	—			6,224
Trademarks	14,200		(3,634		)	(2,812		)	7,754
Covenants not to compete	3,100		(2,959		)	—			141
Acquisition-related intangible assets	386,335		(142,323		)	(47,028		)	196,984
Technology licenses and patents	133,909		(89,289		)	—			44,620
Total intangible assets subject to amortization	520,244		(231,612		)	(47,028		)	241,604
Acquired IPR&D	42,500		—			(36,200		)	6,300
Total intangible assets	$	562,744	$	(231,612	)	$	(83,228	)	$	247,904

Estimated Amortization Expense of Intangible Assets

The annual expected amortization expense of intangible assets subject to amortization as of March 30, 2014, is as follows (in thousands):

	Acquisition-related Intangible Assets		Technology Licenses and Patents
Fiscal year:
2014 (remaining 9 months)	$	62,409	$	15,687
2015	48,114		20,056
2016	40,544		3,333
2017	24,656		—
Total intangible assets subject to amortization	$	175,723	$	39,076