Derivatives and Hedging Activities - Schedule of Fair Value and Location of Outstanding Derivative Contracts Recorded in Consolidated Balance Sheets (Details) - Designated as Hedging Instrument - USD ($) $ in Millions	Mar. 31, 2025	Jun. 30, 2024
Asset Derivatives:
Total asset derivatives	$ 2.1	$ 0.0
Liability Derivatives:
Total liability derivatives	2.1	5.8
Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.1	0.0
Liability Derivatives:
Total liability derivatives	0.0	1.4
Commodity contracts
Asset Derivatives:
Total asset derivatives	2.0	0.0
Liability Derivatives:
Total liability derivatives	2.1	4.4
Other current assets
Asset Derivatives:
Total asset derivatives	2.0	0.0
Other current assets | Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.1	0.0
Other current assets | Commodity contracts
Asset Derivatives:
Total asset derivatives	1.9	0.0
Other assets
Asset Derivatives:
Total asset derivatives	0.1	0.0
Other assets | Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.0	0.0
Other assets | Commodity contracts
Asset Derivatives:
Total asset derivatives	0.1	0.0
Accrued liabilities
Liability Derivatives:
Total liability derivatives	2.0	3.6
Accrued liabilities | Foreign exchange contracts
Liability Derivatives:
Total liability derivatives	0.0	0.0
Accrued liabilities | Commodity contracts
Liability Derivatives:
Total liability derivatives	2.0	3.6
Other liabilities
Liability Derivatives:
Total liability derivatives	0.1	2.2
Other liabilities | Foreign exchange contracts
Liability Derivatives:
Total liability derivatives	0.0	1.4
Other liabilities | Commodity contracts
Liability Derivatives:
Total liability derivatives	$ 0.1	$ 0.8