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Stock-Based Compensation - Additional Information (Detail)
$ / shares in Units, $ in Millions
9 Months Ended
Aug. 31, 2020
USD ($)
award_type
$ / shares
Aug. 31, 2019
USD ($)
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of stock-based compensation award types | award_type 3  
Intrinsic value for all options outstanding $ 225.5  
Intrinsic value for exercisable options 180.2  
Total Intrinsic Value of all options exercised $ 65.3 $ 102.8
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value | $ / shares $ 26.53 $ 27.51