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Summary of Significant Accounting Policies - Components of Accumulated Other Comprehensive Loss, Net of Tax (Detail) $ in Millions | 12 Months Ended
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Aug. 31, 2024 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Beginning balance | $ 1,254.6
Ending balance | 1,376.1
Unrealized Gain (Loss) on Derivative Financial Instruments |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Beginning balance | 27.0
Other comprehensive income (loss) before reclassifications | 2.9
Amounts reclassified from accumulated other comprehensive loss | (14.7)
Ending balance | 15.2
Foreign Currency Translation Adjustment |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Beginning balance | (32.1)
Other comprehensive income (loss) before reclassifications | (14.9)
Ending balance | (47.0)
Other |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Beginning balance | (2.2)
Ending balance | (2.2)
Accumulated Other Comprehensive (Loss) |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
Beginning balance | (7.3)
Other comprehensive income (loss) before reclassifications | (12.0)
Amounts reclassified from accumulated other comprehensive loss | (14.7)
Ending balance | $ (34.0)

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