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Income Taxes (Schedule of Deferred Income Tax Liabilities and Assets) (Details) - USD ($) | Sep. 28, 2024 | Sep. 30, 2023
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Income Taxes [Abstract] |  |
Property and equipment tax/book differences | $ 81,318,000 | $ 78,008,000
Interest rate swaps | 2,173,000 | 4,278,000
Property tax method | 1,324,000 | 1,462,000
Right of use asset | 7,350,000 |
Total deferred tax liabilities | 92,165,000 | 83,748,000
Insurance reserves | 4,929,000 | 5,115,000
Advance payments on purchases contracts | 746,000 | 731,000
Vacation accrual | 1,959,000 | 1,724,000
Inventory | 1,566,000 | 1,777,000
Deferred compensation | 6,986,000 | 5,282,000
Lease liability | 7,868,000 |
Other | 4,344,000 | 1,932,000
Total deferred tax assets | 28,398,000 | 16,561,000
Net deferred tax liabilities | $ 63,767,000 | $ 67,187,000

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