Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income (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] | |||
| Cost of sales | $ 2,168.7 | $ 2,108.5 | $ 2,175.4 |
| Amount of loss reclassified from AOCI to income | (2.4) | (4.2) | (11.0) |
| Income Statement Location [Axis]: us-gaap:OtherCostOfOperatingRevenue | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Total loss | (2.4) | (4.2) | |
| Commodity Contract | Income Statement Location [Axis]: us-gaap:OtherCostOfOperatingRevenue | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of loss reclassified from AOCI to income | $ (2.4) | $ (4.2) | $ (11.0) |
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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 Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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- Definition Other costs incurred during the reporting period related to other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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