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Supplementary Balance Sheet Information (Accrued Expenses And Current Portion Of Other Long-Term Liabilities) (Details) - USD ($)	Sep. 25, 2021	Sep. 26, 2020
Supplementary Balance Sheet Information [Line Items]
Property, payroll, and other taxes payable	$ 22,621,486	$ 22,334,471
Salaries, wages and bonuses payable	45,890,517	44,975,510
Interest	4,481,104	6,686,195
Other	4,115,904	3,951,960
Total	90,428,567	92,012,346
Employee Group Insurance [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	5,183,395	5,686,642
Workers Compensation Insurance [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	4,711,432	4,945,081
General Liability [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	$ 3,424,729	$ 3,432,487

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Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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