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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 32,037 $ 33,437
Less accumulated amortization (9,517) (8,525)
Intangible assets, net 22,520 24,912
Customer Lists And Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 22,316 23,096
Product Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 7,024 7,530
Trade Name [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 1,750 1,864
Core Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 947 $ 947