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Compensation Plans - Remaining Unamortized Amounts (Details)
$ in Millions
6 Months Ended
May 31, 2017
USD ($)
Compensation Plans [Line Items]  
Remaining Unamortized Amounts $ 617.9
Nonvested Share-Based Awards [Member]  
Compensation Plans [Line Items]  
Remaining Unamortized Amounts $ 45.6
Weighted Average Vesting Period (in Years) 3 years
Restricted Cash Awards [Member]  
Compensation Plans [Line Items]  
Remaining Unamortized Amounts $ 572.3
Weighted Average Vesting Period (in Years) 3 years