Goodwill and Intangible Assets, Net (Identifiable Intangible Asset Balances) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Jan. 01, 2012
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Net amortizable intangible assets	$ 465,975	$ 514,573
Totals	613,009	661,607
Patents [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	107,571	107,437
Less: Accumulated amortization	(87,852)	(85,188)
Net amortizable intangible assets	19,719	22,249
Trade Names And Trademarks [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	34,034	35,214
Less: Accumulated amortization	(12,075)	(11,086)
Net amortizable intangible assets	21,959	24,128
Non-amortizing intangible assets	147,034	147,034
Licenses [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	79,573	79,873
Less: Accumulated amortization	(42,211)	(37,339)
Net amortizable intangible assets	37,362	42,534
Core Technology [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	385,338	385,112
Less: Accumulated amortization	(229,912)	(212,834)
Net amortizable intangible assets	155,426	172,278
Customer Relationships [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	314,711	316,782
Less: Accumulated amortization	(89,078)	(69,710)
Net amortizable intangible assets	225,633	247,072
IPR&D [Member]
Finite and Indefinite Lived Intangible Assets by Major Class [Line Items]
Gross amortizable intangible assets	7,026	7,131
Less: Accumulated amortization	(1,150)	(819)
Net amortizable intangible assets	$ 5,876	$ 6,312