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Note 11 - Employee Benefit Plans - Projected Benefit Obligation Reconciliation for SERP (Details) - Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2023 | Oct. 01, 2022 | Oct. 02, 2021
Benefit obligation at beginning of year | $ 11,779 | $ 12,888 | $ 11,610
Service cost | 333 | 399 | 312
Interest cost | 518 | 347 | 316
Actuarial (gain) loss | (900) | (1,650) | 855
Distributions | (198) | (205) | (205)
Benefit obligation at end of year | 11,532 | 11,779 | 12,888
Actual employer contributions | 198 | 205 | 205
Actual distributions | (198) | (205) | (205)
Plan assets at fair value at end of year | 0 | 0 | 0
Funded status | (11,532) | (11,779) | (12,888)
Net amount recognized | (11,532) | (11,779) | (12,888)
Unrecognized net loss | 373 | 1,285 | 3,213
Net amount recognized | 373 | 1,285 | 3,213
Net (gain) loss | (900) | (1,650) | 855
Amortization of net loss | (13) | (278) | (215)
Total recognized in other comprehensive (loss) income | $ (913) | $ (1,928) | $ 640

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480266/715-60-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(6) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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