CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Condensed) - Parenthetical - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Statement of Financial Position [Abstract] | ||||
| Pension activity, tax | $ (0.2) | $ 0.3 | $ (0.7) | $ 0.7 |
| Deferred (loss)/gain on hedging activity, tax | $ 0.5 | $ (4.3) | $ 0.2 | |
| X | ||||||||||
- Definition Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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
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| X | ||||||||||
- References No definition available.
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