Interest Expense, Net - Schedule of Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Other Income and Expenses [Abstract]
Interest expense on borrowings	$ (36.6)	$ (40.0)	$ (72.5)	$ (76.4)
Interest income	3.8	3.7	7.5	6.6
Interest expense, net	$ (32.7)	$ (36.3)	$ (65.0)	$ (69.7)