Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, Percent, Total	24.70%	16.40%	17.90%	8.20%
Income Tax Expense (Benefit), Discrete Tax Items	$ 4.6	$ (7.6)	$ (3.2)	$ (25.3)
Share-based compensation excess tax benefit	0.9	6.1	9.1	24.4
Income Tax Expense (Benefit), Other Immaterial Discrete Tax Items, Net	0.2	1.5	0.2	0.9
China
Income Tax Expense (Benefit), Discrete Tax Items	$ 5.7	$ 0.0	$ 5.7	$ 0.0