Income Taxes - Schedule of Change in Unrecognized Income Tax Benefit (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2024 |
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| Unrecognized Tax Benefits [Roll Forward] | |||
| Unrecognized tax benefits balance at beginning of year | $ 18.5 | $ 21.1 | $ 20.1 |
| Additions based on tax positions related to the current year | 4.5 | 5.8 | 4.2 |
| Reductions for tax positions of prior years | 0.0 | (0.1) | (0.1) |
| Reductions due to lapse of statute of limitations | (4.3) | (8.3) | (3.1) |
| Unrecognized tax benefits balance at end of year | $ 18.7 | $ 18.5 | $ 21.1 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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