Goodwill and Acquired Intangibles (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Dec. 29, 2012
Finite-Lived Intangible Assets [Line Items]
In-process Technology Transferred to Existing Technology	$ 5,496
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross carrying amount	451,811	289,289
Accumulated amortization	(128,004)	(104,351)
Acquired intangibles	323,807	184,938
In-process technology	3,996
Existing Technology [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross carrying amount	236,774	112,940
Accumulated amortization	(46,170)	(30,171)
Acquired intangibles	190,604	82,769
Agreements and relationships [Member]
Acquired intangibles with finite lives, excluding intangibles fully amortized at end of prior fiscal year
Gross carrying amount	171,422	133,764
Accumulated amortization	(49,199)	(37,769)
Acquired intangibles	122,223	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	(2,535)	(7,816)
Acquired intangibles	$ 6,984	$ 4,669
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Expected Completion for In-process Technology	6 months
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Expected Completion for In-process Technology	12 months