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v3.23.1

Significant Accounting Policies and General Matters - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2021
Basis Of Presentation And Significant Accounting Policies [Line Items] |  |  |
Trade receivable maturity period | 30 days |  |
Percentage of Inventories valued at LIFO | 6.10% | 7.90% |
Advertising expense | $ 0.6 | $ 0.9 | $ 0.8
Options outstanding | 0 | 0 | 0
commercial printing product |  |  |
Basis Of Presentation And Significant Accounting Policies [Line Items] |  |  |
Revenues | $ 17.1 | $ 14.6 | $ 12.5
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 |  |

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