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Income Taxes Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]          
Effective income tax rate from continuing operations 27.90%   28.00% 24.10% 29.20%
Impact of reduction in UK statutory tax rate $ 4,400 $ 2,086      
Tax settlement       $ 1,200