Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Cost of sales	$ 501.6	$ 509.1	$ 1,029.4	$ 977.2
Interest expense, net	13.0	13.0	25.7	25.6
Amount of (loss) gain reclassified from AOCI to income	(1.8)	1.2	(3.2)	7.9
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Total (loss) gain	(1.8)	1.2	(3.2)	7.9
Commodity contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (loss) gain reclassified from AOCI to income	$ (1.8)	$ 1.2	$ (3.2)	$ 7.9