Interest Expense, Net - Components of Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Interest expense on borrowings	$ (36.3)	$ (22.8)	$ (64.3)	$ (45.8)
Interest income	2.1	1.5	3.3	1.8
Interest expense, net	$ (34.1)	$ (21.4)	$ (61.0)	$ (44.0)