CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parentheticals) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net unrealized derivative gain (loss) on cash flow hedges, tax expense (benefit)	$ 0.0	$ 0.4
Pension and other post-employment benefits (losses), tax expense (benefit)	$ (2.4)	$ (0.4)

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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