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Compensation Plans - Remaining Unamortized Amounts (Details)
$ in Millions
6 Months Ended
May 31, 2016
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 592.8
Nonvested Share-Based Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Remaining Unamortized Amounts $ 37.7
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 $ 555.1
Weighted Average Vesting Period (in Years) 3 years