Balance Sheet Components (Schedule Of Intangibles, Net) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 31, 2013
Purchased Intangible Assets [Line Items]
Gross	$ 128,144	$ 128,044
Accumulated Amortization	(57,439)	(44,026)
Finite-Lived Intangible Assets, Net	70,705	84,018
Indefinite-Lived Intangible Assets (Excluding Goodwill)		100
Intangible Assets Gross Excluding Goodwill		128,144
Intangibles, net	70,705	84,118
Technology [Member]
Purchased Intangible Assets [Line Items]
Gross	61,099	60,999
Accumulated Amortization	(36,901)	(29,593)
Finite-Lived Intangible Assets, Net	24,198	31,406
Customer Contracts And Relationships [Member]
Purchased Intangible Assets [Line Items]
Gross	56,500	56,500
Accumulated Amortization	(14,434)	(9,120)
Finite-Lived Intangible Assets, Net	42,066	47,380
Other [Member]
Purchased Intangible Assets [Line Items]
Gross	10,545	10,545
Accumulated Amortization	(6,104)	(5,313)
Finite-Lived Intangible Assets, Net	$ 4,441	$ 5,232