Consolidated Statements Of Comprehensive Income (Parenthetical) (Unaudited) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Hedge gain (loss) arising during the period, tax | $ 9.7 | $ (0.8) | $ 6.4 | $ 0.9 |
| Foreign currency translation adjustment, tax | 0.0 | 0.0 | 0.0 | 0.0 |
| Change in pension benefit, net of tax | $ (0.1) | $ 0.0 | $ (0.2) | $ (0.1) |
| X | ||||||||||
- Definition Other comprehensive income loss general hedge gain loss before reclassification tax provision benefit amount. No definition available.
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| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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