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DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands | Jul. 31, 2021 | Jul. 25, 2020 | Dec. 29, 2017
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Total debt, excluding obligations under leases | $ 73,803 | $ 80,615 |
Less current portion | 6,976 | 6,421 |
Long-term debt | 66,827 | 74,194 | $ 6,563
Line of Credit | Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Total debt, excluding obligations under leases | 0 | 50,000 |
Line of Credit | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Total debt, excluding obligations under leases | 47,025 | 0 |
Line of Credit | Medium-term Notes |  |  |
Debt Instrument [Line Items] |  |  |
Total debt, excluding obligations under leases | 21,104 | 24,694 |
New Market Tax Credit Financing |  |  |
Debt Instrument [Line Items] |  |  |
Total debt, excluding obligations under leases | $ 5,674 | $ 5,921 |

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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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