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Supplemental Balance Sheet Information (Schedule Of Intangible Assets, Net) (Details) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Supplemental Balance Sheet Information [Abstract]  
Finite-lived intangible assets$ 37,242$ 37,242
Indefinite-lived intangible assets70,39670,396
Gross intangible assets107,638107,638
Less: Accumulated amortization(6,858)(3,990)
Net carrying value$ 100,780$ 103,648[1]
[1]December 31, 2010 balances were derived from the audited consolidated financial statements.