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INCOME TAXES - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 25, 2020
Income Tax Examination [Line Items] |  |
Deferred tax assets, valuation allowance | $ 0 | $ 0
Incremental benefit from a federal net operating loss carryback |  | $ 2,512,000
Minimum |  |
Income Tax Examination [Line Items] |  |
Income tax examination, statue of limitations, period | 3 years |
Maximum |  |
Income Tax Examination [Line Items] |  |
Income tax examination, statue of limitations, period | 4 years |

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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://www.xbrl.org/2003/role/disclosureRef -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 Effective Income Tax Rate Reconciliation, Tax Expense (Benefit) Federal Net Operating Loss Carryback, Amount + References No definition available. + Details
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