Balance Sheet Components (Schedule Of Intangibles, Net) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Purchased Intangible Assets [Line Items]
Gross	$ 128,144	$ 128,044
Accumulated Amortization	(61,914)	(44,026)
Finite-lived intangibles, net	66,230us-gaap_FiniteLivedIntangibleAssetsNet	84,018us-gaap_FiniteLivedIntangibleAssetsNet
Indefinite-lived intangible assets		100
Intangibles, net	66,230	84,118
Technology [Member]
Purchased Intangible Assets [Line Items]
Gross	61,099	60,999
Accumulated Amortization	(39,341)	(29,593)
Finite-lived intangibles, net	21,758	31,406
Customer Contracts And Relationships [Member]
Purchased Intangible Assets [Line Items]
Gross	56,500	56,500
Accumulated Amortization	(16,205)	(9,120)
Finite-lived intangibles, net	40,295	47,380
Other [Member]
Purchased Intangible Assets [Line Items]
Gross	10,545	10,545
Accumulated Amortization	(6,368)	(5,313)
Finite-lived intangibles, net	$ 4,177	$ 5,232

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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