v3.26.1
Significant Accounting Policies and General Matters - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Trade receivable maturity period 30 years    
Percentage of Inventories valued at LIFO 5.60% 7.10%  
Advertising expense $ 0.4 $ 0.4 $ 0.5
Commercial printing product      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Revenues $ 11.1 $ 13.7 $ 15.5
Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Amortization period for advertising expense 3 months    
Contract with customer, customer payment terms 30 days    
Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Amortization period for advertising expense 12 months    
Contract with customer, customer payment terms 90 days    
Machinery and Equipment [Member] | Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 11 years    
Buildings and Improvements [Member] | Minimum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 10 years    
Buildings and Improvements [Member] | Maximum [Member]      
Basis Of Presentation And Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 33 years