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Income Taxes (Interest And Penalties) (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Income Tax Contingency [Line Items]    
Gross liability for unrecognized tax benefits, exclusive of interest and penalties $ 14,936 $ 14,018
Interest and penalties on unrecognized benefits 1,414 1,066
Gross uncertain tax positions 16,350 15,084
Amount included in Current liabilities 4,097 4,757
Amount included in Other long-term liabilities $ 12,253 $ 10,327