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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

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