Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2013	Dec. 28, 2012
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	$ 1,139,898	$ 1,110,934
Intangible Assets, Accumulated Amortization	(503,202)	(466,515)
Intangible Assets, Net Carrying Amount	636,696	644,419
Developed Technology Rights [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	631,917	610,643
Intangible Assets, Accumulated Amortization	(289,608)	(267,952)
Intangible Assets, Net Carrying Amount	342,309	342,691
Trade Names And Trademarks [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	43,428	42,512
Intangible Assets, Accumulated Amortization	(24,459)	(23,241)
Intangible Assets, Net Carrying Amount	18,969	19,271
Customer Relationships [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	389,862	385,269
Intangible Assets, Accumulated Amortization	(147,171)	(135,571)
Intangible Assets, Net Carrying Amount	242,691	249,698
Distribution Rights And Other Intellectual Properties [Member]
Goodwill And Other Intangible Asset [Line Items]
Intangible Assets, Gross Carrying Amount	74,691	72,510
Intangible Assets, Accumulated Amortization	(41,964)	(39,751)
Intangible Assets, Net Carrying Amount	$ 32,727	$ 32,759