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	Sep. 30, 2025	Jun. 30, 2025
Asset Derivatives:
Total asset derivatives	$ 0.5	$ 0.6
Liability Derivatives:
Total liability derivatives	1.8	2.2
Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.4	0.5
Liability Derivatives:
Total liability derivatives	0.0	0.0
Commodity contracts
Asset Derivatives:
Total asset derivatives	0.1	0.1
Liability Derivatives:
Total liability derivatives	1.8	2.2
Other current assets
Asset Derivatives:
Total asset derivatives	0.3	0.4
Other current assets | Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.3	0.4
Other current assets | Commodity contracts
Asset Derivatives:
Total asset derivatives	0.0	0.0
Other assets
Asset Derivatives:
Total asset derivatives	0.2	0.2
Other assets | Foreign exchange contracts
Asset Derivatives:
Total asset derivatives	0.1	0.1
Other assets | Commodity contracts
Asset Derivatives:
Total asset derivatives	0.1	0.1
Accrued liabilities
Liability Derivatives:
Total liability derivatives	1.8	2.2
Accrued liabilities | Foreign exchange contracts
Liability Derivatives:
Total liability derivatives	0.0	0.0
Accrued liabilities | Commodity contracts
Liability Derivatives:
Total liability derivatives	1.8	2.2
Other liabilities
Liability Derivatives:
Total liability derivatives	0.0	0.0
Other liabilities | Foreign exchange contracts
Liability Derivatives:
Total liability derivatives	0.0	0.0
Other liabilities | Commodity contracts
Liability Derivatives:
Total liability derivatives	$ 0.0	$ 0.0