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Compensation Plans - Remaining Unamortized Amounts (Details)
$ in Millions
9 Months Ended
Aug. 31, 2016
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 529.0
Nonvested Share-Based Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 29.2
Weighted Average Vesting Period (in Years) 2 years
Restricted Cash Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 499.8
Weighted Average Vesting Period (in Years) 3 years