Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Cost of sales	$ 499.4	$ 501.6	$ 1,040.7	$ 1,029.4
Amount of loss reclassified from AOCI to income	(1.4)	(1.8)	(3.2)	(3.2)
Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Total loss	(1.4)	(1.8)	(3.2)	(3.2)
Commodity contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Amount of loss reclassified from AOCI to income	$ (1.4)	$ (1.8)	$ (3.2)	$ (3.2)