Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 19,947	$ 19,943
Less accumulated amortization	(1,752)	(705)
Intangible assets, net of amortization	18,195	19,238
Amortization Of Purchased Intangibles [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	11 years
Intangible assets	8,090	8,090
Amortization Of Purchased Intangibles [Member] | In-Process Research And Development [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	7 years
Intangible assets	1,310	1,310
Amortization Of Purchased Intangibles [Member] | Trademarks And Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	16 years
Intangible assets	3,420	3,420
Amortization Of Purchased Intangibles [Member] | Favorable Lease [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	1 year
Intangible assets	30	30
Cost Of Product Revenues [member] | Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	7 years
Intangible assets	6,050	6,050
Cost Of Product Revenues [member] | Software Related To Joint Venture Entity [Member]
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years
Intangible assets	$ 1,047	$ 1,043