Derivatives and Hedging Activities - Summary of the Gains (Losses) Related to Cash Flow Hedges (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Gain (Loss) Recognized in AOCI on Derivatives | $ (1.8) | $ (2.0) | $ (9.6) |
| Amount of Loss Reclassified from AOCI into Income | (2.4) | (4.2) | (11.0) |
| Commodity contracts | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Gain (Loss) Recognized in AOCI on Derivatives | (1.5) | (2.3) | (9.6) |
| Commodity contracts | Income Statement Location [Axis]: us-gaap:OtherCostOfOperatingRevenue | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Loss Reclassified from AOCI into Income | (2.4) | (4.2) | (11.0) |
| Foreign exchange contracts | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of Gain (Loss) Recognized in AOCI on Derivatives | $ (0.3) | $ 0.3 | $ 0.0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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