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Commitments (Schedule Of Lease Commitments Under Non-Cancelable Operating Leases) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 5,411us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 3,138us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 2,607us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
2018 1,450us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
2019 1,256us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
After 2019 $ 1,762us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter