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Share-based Payments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Share-Based Payment Arrangement [Abstract]        
Share-based payment expense $ 9.9 $ 7.1 $ 27.5 $ 22.3