Goodwill and Intangible Assets, Net (Identifiable Intangible Asset Balances) (Details) - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Net amortizable intangible assets	$ 383,667	$ 419,681
Intangible assets, net	454,251	490,265
Patents [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	39,923	39,953
Less: Accumulated amortization	(28,484)	(27,200)
Net amortizable intangible assets	11,439	12,753
Trade Names And Trademarks [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	40,223	40,069
Less: Accumulated amortization	(18,852)	(16,936)
Net amortizable intangible assets	21,371	23,133
Trade names and trademarks	70,584	70,584
Licensing Agreements [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	59,441	59,631
Less: Accumulated amortization	(43,623)	(41,792)
Net amortizable intangible assets	15,818	17,839
Core Technology [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	299,785	298,491
Less: Accumulated amortization	(199,087)	(184,697)
Net amortizable intangible assets	100,698	113,794
Customer Relationships [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	403,312	402,185
Less: Accumulated amortization	(175,018)	(156,994)
Net amortizable intangible assets	228,294	245,191
In-process Research and Development [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	9,660	10,103
Less: Accumulated amortization	(3,613)	(3,132)
Net amortizable intangible assets	$ 6,047	$ 6,971