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Retirement Plans (401(k) Retirement Plan) (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2019 | Jan. 31, 2018
Defined Benefit Plan Disclosure [Line Items] |  |
Company contributions | $ 800,000 | $ 1,400,000
Domestic Plan [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Virco stock held in plan | 648,565 | 564,375
Company contributions | $ 738,000 | $ 44,000
Domestic Plan [Member] | Minimum [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Participant deferral percentage allowance | 1.00% |
Domestic Plan [Member] | Maximum [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Participant deferral percentage allowance | 75.00% |

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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(ii) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2709-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Defined Contribution Plan, Number of Common Shares Held + References No definition available. + Details
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