XML 55 R45.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-Based Compensation - Selling, General and Administrative Expense (Details) - USD ($)
$ in Millions
3 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Share-based Compensation [Abstract]    
Total stock-based compensation expense $ 6.4 $ 6.7