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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2020
Income Tax Disclosure [Abstract]          
Effective income tax rate 29.75% 27.50% 29.75% 26.70%  
Gross unrecognized tax benefits $ 1.2   $ 1.2   $ 1.2
Unrecognized tax benefits that would impact effective tax rate if recognized 1.0   1.0    
Income tax penalties and interest accrued $ 1.2   $ 1.2   $ 1.1