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Concentrations of Risk - Additional Information (Detail) - USD ($)
12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Feb. 28, 2021
Concentration Risk [Line Items]      
Cash balances not federally insured $ 93,000,000.0    
Maximum [Member]      
Concentration Risk [Line Items]      
Maximum insurance available to depositors under the FDIC's general deposit insurance rules 250,000    
Third Party Vendor [Member]      
Concentration Risk [Line Items]      
Amount due to vendor $ 3,300,000 $ 4,900,000  
Customer Concentration Risk [Member] | Net Sales [Member] | Maximum [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 5.00%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Maximum [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 5.00%    
Supplier Concentration Risk [Member] | Paper Products [Member] | Third Party Vendor [Member]      
Concentration Risk [Line Items]      
Concentration risk, percentage 50.00% 51.00% 43.00%