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Income Taxes (Details) - USD ($) $ in Thousands |  | 2 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 27, 2020 | Mar. 26, 2020 | Jul. 31, 2020 | Jan. 31, 2020 | Jul. 31, 2019
Income Tax Disclosure [Abstract] |  |  |  |  |
Valuation allowance |  |  | $ 1,186 | $ 1,183 | $ 2,003
Limitation for business interest expense deduction as a percentage of adjusted taxable income | 50.00% | 30.00% |  |  |
Income tax benefit from the CARES Act | $ 200 |  |  |  |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition CARES Act, Income Tax Expense (Benefit) + References No definition available. + Details
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- Definition Effective Income Tax Rate Reconciliation, Limitation for Business Interest Expense Deduction as Percent of Adjusted Taxable Income + References No definition available. + Details
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