Income Taxes - Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Current:
U.S. Domestic	$ 25.4	$ 51.2	$ 46.7
Foreign	45.4	34.9	33.1
State	11.7	10.5	8.3
Total current	82.4	96.7	88.1
Deferred:
U.S. Domestic	65.8	55.3	33.1
Foreign	(31.7)	(9.5)	(10.7)
State	16.6	6.2	6.5
Total deferred	50.7	52.0	29.0
Total Provision for income taxes	$ 133.1	$ 148.7	$ 117.0