Supplementary Balance Sheet Information (Schedule Of Other Long-Term Liabilities) (Details) - USD ($)	Sep. 24, 2022	Sep. 25, 2021
Supplementary Balance Sheet Information [Line Items]
Advance payments on purchases contracts	$ 1,994,459	$ 2,264,784
Nonqualified investment plan liability	18,445,157	22,736,980
Interest rate swap liability		4,531,140
Other	3,942,604	3,211,513
Other long-term liabilities	42,221,571	51,532,388
Less current portion	742,351	1,113,441
Total other long-term liabilities	41,479,220	50,418,947
Workers' Compensation Insurance [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	13,287,189	14,501,624
General Liability [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	$ 4,552,162	$ 4,286,347

Advance payment on purchase contracts non current.

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Nonqualified investment plan liability.

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Supplementary Balance Sheet Information [Line Items]

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Carrying value as of the balance sheet date of obligations incurred through that date and due beyond one year (or beyond one operating cycle if longer) to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverages to employees.

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Fair value of liability arising from contracts that meet the criteria of being accounted for as derivative instruments, financial instrument or contract used to mitigate a specified risk (hedge), energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps.

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Amount of liabilities classified as other.

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

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