Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details)

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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets, Net Of Amortization) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 33,290 $ 16,980
Less accumulated amortization (8,600) (7,211)
Intangible assets, net 24,690 9,769
Customer Lists And Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 26,426 13,942
Product Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 4,817 2,091
Trade Name [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross 1,100  
Core Technologies [Member]    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 947 $ 947