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Summary of Significant Accounting Policies - Concentration of Credit Risk and Revenue Recognition - Additional Information (Details) - Customer
3 Months Ended 12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Nov. 30, 2020
Sales Revenue, Net | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk, percentage 18.00% 19.00%  
Number of customers accounted for 10% or more of consolidated revenue 1 1  
Sales Revenue, Net | Supplier Concentration Risk | HP Inc      
Concentration Risk [Line Items]      
Concentration risk, percentage 14.00% 14.00%  
Accounts Receivable | Customer Concentration Risk      
Concentration Risk [Line Items]      
Concentration risk, percentage 17.00%   15.00%
Number of customers exceeded 10 percent of total consolidated accounts receivable 1   1