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Income Taxes (Provision For Income Taxes For Continuing Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]        
Provision for income taxes $ (2,913) $ 2,202 $ 705 $ 5,494
Effective tax rate (20.70%) 35.00% 2.90% 36.30%