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Compensation Plans - Remaining Unamortized Amounts (Details)
$ in Millions
3 Months Ended
Feb. 29, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 728.4
Non-vested share-based awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 47.4
Weighted Average Vesting Period (in Years) 2 years
Restricted cash awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 681.0
Weighted Average Vesting Period (in Years) 3 years