Goodwill and Intangible Assets-Intangibles (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 30, 2012	Jan. 01, 2012
Intangible Assets
Total Intangible Assets, gross	$ 474,904	$ 438,340
Accumulated Amortization	(227,125)	(150,649)
Intangible Asset Adjustment	(860)
Total Intangible Assets, net	246,919	287,691
Acquired in-process research and development [Member]
Intangible Assets
Gross Carrying Amount, Indefinite-lived Intangible Asset	38,385	36,200
Adjustments of indefinite lived intangible assets	(860)
Net Carrying Amount, Indefinite-lived Intangible Assets	37,525	36,200
Developed product technology [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	200,960	172,800
Accumulated Amortization	(68,104)	(30,014)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	132,856	142,786
Core Technology [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	79,800	79,800
Accumulated Amortization	(79,800)	(75,349)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	0	4,451
Customer relationships [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	13,050	12,200
Accumulated Amortization	(10,043)	(3,643)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	3,007	8,557
Trademarks [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	5,700	5,300
Accumulated Amortization	(1,870)	(633)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	3,830	4,667
Covenants not to compete [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	3,100	700
Accumulated Amortization	(1,618)	(209)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	1,482	491
Technology licenses and patents [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	133,909	131,340
Accumulated Amortization	(65,690)	(40,801)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	68,219	90,539
Acquisition-related Intangible Assets [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	302,610	270,800
Accumulated Amortization	(161,435)	(109,848)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	141,175	160,952
Intangible assets subject to amortization [Member]
Intangible Assets
Gross Carrying Amount, Finite-lived Intangible Asset	436,519	402,140
Accumulated Amortization	(227,125)	(150,649)
Adjustments of finite lived intangible assets	0
Intangible assets subject to amortization	$ 209,394	$ 251,491