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Commitments And Contingencies (Schedule Of Future Minimum Lease Payments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 6,297us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 5,269us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 4,690us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 4,240us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 3,845us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Thereafter 12,899us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Total minimum lease payments $ 37,240us-gaap_OperatingLeasesFutureMinimumPaymentsDue