Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2012	Dec. 30, 2011
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	$ 920,754	$ 815,441
Intangible Assets, Accumulated Amortization	(393,897)	(338,650)
Intangible Assets, Net Carrying Amount	526,857	476,791
Developed Technology Rights [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	514,288	437,097
Intangible Assets, Accumulated Amortization	(224,274)	(193,218)
Intangible Assets, Net Carrying Amount	290,014	243,879
Trade Names And Trademarks [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	36,886	34,563
Intangible Assets, Accumulated Amortization	(20,814)	(18,933)
Intangible Assets, Net Carrying Amount	16,072	15,630
Customer Relationships [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	302,923	280,283
Intangible Assets, Accumulated Amortization	(113,267)	(94,573)
Intangible Assets, Net Carrying Amount	189,656	185,710
Distribution Rights And Other Intellectual Properties [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	66,657	63,498
Intangible Assets, Accumulated Amortization	(35,542)	(31,926)
Intangible Assets, Net Carrying Amount	$ 31,115	$ 31,572