Balance Sheet Components (Schedule Of Intangibles, Net) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2013	Dec. 31, 2012
Purchased Intangible Assets [Line Items]
Gross	$ 128,044	$ 55,129
Accumulated Amortization	(39,513)	(28,508)
Finite-Lived Intangible Assets, Net	88,531	26,621
Indefinite-Lived Intangible Assets (Excluding Goodwill)	100	1,000
Intangible Assets Gross Excluding Goodwill	128,144	56,129
Intangibles, net	88,631	27,621
Technology [Member]
Purchased Intangible Assets [Line Items]
Gross	60,999	32,259
Accumulated Amortization	(27,114)	(22,065)
Finite-Lived Intangible Assets, Net	33,885	10,194
Customer Contracts And Relationships [Member]
Purchased Intangible Assets [Line Items]
Gross	56,500	16,000
Accumulated Amortization	(7,349)	(3,301)
Finite-Lived Intangible Assets, Net	49,151	12,699
Other [Member]
Purchased Intangible Assets [Line Items]
Gross	10,545	6,870
Accumulated Amortization	(5,050)	(3,142)
Finite-Lived Intangible Assets, Net	$ 5,495	$ 3,728