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Share-Based Payments
3 Months Ended
Feb. 28, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Payments Share-Based PaymentsDuring the three months ended February 28, 2018, the Company granted employees 0.4 million of nonvested shares. During the three months ended February 28, 2017, the Company granted an immaterial number of nonvested shares. Compensation expense related to the Company’s nonvested shares for the three months ended February 28, 2018 and 2017 was $17.8 million and $12.5 million, respectively.