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Share-Based Payments
6 Months Ended
May 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Payments Share-Based PaymentsDuring the three and six months ended May 31, 2017 and 2016, the Company granted employees an immaterial number of nonvested shares. Compensation expense related to the Company’s nonvested shares for the three and six months ended May 31, 2017 was $12.3 million and $24.8 million, respectively. Compensation expense related to the Company’s nonvested shares for the three and six months ended May 31, 2016 was $11.1 million and $22.3 million, respectively.