Interest Expense, Net - Components of Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Other Income and Expenses [Abstract]
Interest expense on borrowings	$ (20.3)	$ (12.0)	$ (66.1)	$ (39.2)
Interest income	0.3	0.3	2.1	1.9
Interest expense, net	$ (20.0)	$ (11.8)	$ (64.0)	$ (37.3)