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Note 11 - Employee Benefit Plans - Plan Valuation Assumptions (Details) - Supplemental Employee Retirement Plan [Member] | Sep. 30, 2023 | Oct. 01, 2022 | Oct. 02, 2021
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Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 5.25% | 4.50% | 2.75%
Rate of increase in compensation levels | 3.00% | 3.00% | 3.00%

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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 -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation 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 -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Details
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