Balance Sheet Components (Schedule Of Intangibles, Net) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jul. 03, 2012	Dec. 31, 2011
Purchased Intangible Assets [Line Items]
Cost	$ 55,129		$ 44,570
Accumulated Amortization	(28,508)		(23,614)
Finite-Lived Intangible Assets, Net	26,621
Indefinite-Lived Intangible Assets (Excluding Goodwill)	1,000	2,000
Intangible Assets Gross Excluding Goodwill	56,129
Intangibles, net	27,621		20,956
Technology [Member]
Purchased Intangible Assets [Line Items]
Cost	32,259		24,800
Accumulated Amortization	(22,065)		(19,905)
Finite-Lived Intangible Assets, Net	10,194
Intangibles, net			4,895
Customer Contracts And Relationships [Member]
Purchased Intangible Assets [Line Items]
Cost	16,000		15,700
Accumulated Amortization	(3,301)		(1,308)
Finite-Lived Intangible Assets, Net	12,699
Intangibles, net			14,392
Other [Member]
Purchased Intangible Assets [Line Items]
Cost	6,870		4,070
Accumulated Amortization	(3,142)		(2,401)
Finite-Lived Intangible Assets, Net	3,728
Intangibles, net			$ 1,669