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Pension And Postretirement Benefits (Schedule of Pension Plan Weighted-Average Asset Allocation By Cateogry) (Details) - Pension Plan, Defined Benefit [Member] | Aug. 03, 2025 | Jul. 28, 2024
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Defined Benefit Plan, Information about Plan Assets [Abstract] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 100.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 100.00% | 100.00%
Equity Securities [Member] |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 20.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 20.00% | 20.00%
Debt Securities [Member] |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 74.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 74.00% | 73.00%
Real Estate [Member] |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage | 6.00% |
Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage | 6.00% | 7.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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