Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Effective Income Tax Rate Reconciliation, Percent, Total	12.40%	12.50%	16.10%	9.50%
Income Tax Expense (Benefit), Discrete Tax Items	$ (5.7)	$ (6.3)	$ (8.9)	$ (31.6)
Share-based compensation excess tax benefit	0.4	3.4	9.5	27.8
Income Tax Expense (Benefit), Other Immaterial Discrete Tax Items, Net	(4.7)	(2.9)	(4.5)	(3.8)
China
Income Tax Expense (Benefit), Discrete Tax Items	$ (0.6)	$ 0.0	$ 5.1	$ 0.0