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Contingent Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 30, 2021
Feb. 28, 2021
Commitments and Contingencies Disclosure [Abstract]    
Former Gain Contingency, Recognized in Current Period $ 40.3  
Liability associated with guarantee 19.3 $ 15.2
Proceeds from Legal Settlements $ 22.6