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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 43,486 $ 43,552
Less accumulated amortization (8,914) (8,022)
Intangible assets, net 34,572 35,530
Customer Lists And Relationships [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 30,772 30,809
Product Technologies [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 8,970 8,992
Trade Name [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 2,239 2,246
Core Technologies [Member]
    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 1,505 $ 1,505