Goodwill and Acquired Intangibles (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross Carrying Amount	$ 453,111	$ 289,289
Accumulated Amortization	(115,406)	(104,351)
Acquired Intangibles	337,705	184,938
In-process technology	10,380
Existing Technology [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross Carrying Amount	231,562	112,940
Accumulated Amortization	(39,088)	(30,171)
Acquired Intangibles	192,474	82,769
Agreements and relationships [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross Carrying Amount	171,550	133,764
Accumulated Amortization	(44,018)	(37,769)
Acquired Intangibles	127,532	95,995
Distribution rights [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross Carrying Amount	30,100	30,100
Accumulated Amortization	(30,100)	(28,595)
Acquired Intangibles	0	1,505
Tradenames Trademarks And Patents [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross Carrying Amount	9,519	12,485
Accumulated Amortization	(2,200)	(7,816)
Acquired Intangibles	$ 7,319	$ 4,669
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Expected Completion for In-process Technology	12 months
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Expected Completion for In-process Technology	24 months