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Goodwill And Other Intangible Assets (Schedule Of Amortization Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Goodwill And Other Intangible Assets [Abstract]    
Amortization of intangible assets $ 2,367 $ 2,366
Amortization of capitalized purchased software costs 371 259
Amortization of debt costs 115 218
Total amortization $ 2,853 $ 2,843