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Compensation Plans - Remaining Unamortized Amounts (Details)
$ in Millions
12 Months Ended
Nov. 30, 2016
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 498.2
Nonvested Share-Based Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 29.9
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 $ 468.3
Weighted Average Vesting Period (in Years) 3 years