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Income Taxes Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Income Tax Disclosure [Abstract]    
Effective Income Tax Rate Reconciliation, Percent 33.60% 34.30%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount $ 0.3 $ 0.5