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Revenue Recognition (Details) - USD ($)
$ in Millions
Feb. 28, 2021
Nov. 30, 2020
Disaggregation of Revenue [Line Items]    
Contract asset $ 7.9 $ 11.3
Deferred contract costs $ 3.3 $ 2.5
Minimum    
Disaggregation of Revenue [Line Items]    
Capitalized contract cost, amortization period 3 years  
Maximum    
Disaggregation of Revenue [Line Items]    
Capitalized contract cost, amortization period 5 years