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BENEFIT PLANS - Benefit Plan Assumptions (Details) | 12 Months Ended
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Jul. 31, 2021 | Aug. 01, 2020 | Aug. 03, 2019
Net periodic benefit cost assumptions: |  |  |
Rate of compensation increase | 0.00% | 0.00% | 0.00%
Interest credit | 5.00% | 5.00% | 5.00%
Retirement Plan, Before Age 65 | Postemployment Retirement Benefits |  |  |
Net periodic benefit cost assumptions: |  |  |
Assumed healthcare cost trend rate | 8.10% |  |
Ultimate healthcare cost trend rate | 4.50% |  |
Retirement Plan, After Age 65 | Postemployment Retirement Benefits |  |  |
Net periodic benefit cost assumptions: |  |  |
Assumed healthcare cost trend rate | 5.40% |  |
Minimum |  |  |
Benefit obligation assumptions: |  |  |
Discount rate | 2.62% | 1.74% | 2.99%
Net periodic benefit cost assumptions: |  |  |
Discount rate | 1.17% | 2.99% | 4.30%
Expected return on plan assets | 1.00% | 2.00% | 2.25%
Maximum |  |  |
Benefit obligation assumptions: |  |  |
Discount rate | 2.75% | 2.37% | 3.49%
Net periodic benefit cost assumptions: |  |  |
Discount rate | 2.27% | 3.49% | 4.42%
Expected return on plan assets | 5.50% | 5.75% | 6.50%

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- Definition Defined Benefit Plan, Health Care Cost Trend Rate Assumed + References No definition available. + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920 + Details
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- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Weighted-average interest crediting rate used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(4) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Ultimate trend rate for health care cost for defined benefit postretirement plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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