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Warranty Accrual - Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Guarantees and Product Warranties [Abstract]      
Balance at beginning of period $ 23.8 $ 25.6 $ 24.0
Charged to cost of revenue 6.0 13.4 6.7
Payments (10.1) (15.7) (5.8)
Currency translation effect 0.2 0.5 0.7
Balance at end of period $ 19.9 $ 23.8 $ 25.6