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Revenues - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Aug. 31, 2022
Revenue from Contract with Customer [Abstract]      
Revenue recognized $ 122.0 $ 107.2  
Contract liabilities 367.1   $ 541.5
Commodity Contract Asset, Current $ 17.0   $ 17.2