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Retirement Plans (401(k) Retirement Plan) (Details) - UNITED STATES - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2020 | Jan. 31, 2019
Defined Benefit Plan Disclosure [Line Items] |  |
Virco stock held in plan | 706,654 | 648,565
Company contributions | $ 765,000 | $ 738,000
Minimum [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Participant deferral percentage allowance | 1.00% |
Maximum [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Participant deferral percentage allowance | 75.00% |

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