Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 4.7	$ 13.1	$ 15.7	$ 20.9
Effective tax rate	9.10%	18.90%	12.10%	14.60%
Excess tax benefits	$ 7.1	$ 3.6	$ 11.5	$ 12.8