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Income Taxes (Schedule Of Deferred Income Tax Liabilities And Assets) (Details) - USD ($) | Sep. 24, 2022 | Sep. 25, 2021
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Income Taxes [Abstract] |  |
Property and equipment tax/book differences | $ 82,457,000 | $ 88,736,000
Interest rate swaps | 4,011,000 |
Property tax method | 1,450,000 | 1,051,000
Total deferred tax liabilities | 87,918,000 | 89,787,000
Insurance reserves | 4,303,000 | 5,030,000
Advance payments on purchases contracts | 487,000 | 553,000
Vacation accrual | 1,977,000 | 1,867,000
Inventory | 1,571,000 | 1,368,000
Deferred compensation | 4,483,000 | 5,532,000
Interest rate swaps |  | 1,107,000
Other | 1,519,000 | 1,562,000
Total deferred tax assets | 14,340,000 | 17,019,000
Net deferred tax liabilities | $ 73,578,000 | $ 72,768,000

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