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Supplementary Balance Sheet Information (Accrued Expenses and Current Portion of Other Long-Term Liabilities) (Details) - USD ($) | Sep. 27, 2025 | Sep. 28, 2024
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Supplementary Balance Sheet Information [Line Items] |  |
Property, payroll, and other taxes payable | $ 24,420,782 | $ 22,592,669
Salaries, wages, and bonuses payable | 46,997,042 | 48,869,003
Interest | 4,752,916 | 4,984,248
Other | 6,572,619 | 6,177,911
Total accrued expenses and current portion of other long-term liabilities | 100,514,387 | 99,101,275
Employee Group Insurance [Member] |  |
Supplementary Balance Sheet Information [Line Items] |  |
Self-insurance liabilities | 6,317,748 | 5,849,118
Workers' Compensation Insurance [Member] |  |
Supplementary Balance Sheet Information [Line Items] |  |
Self-insurance liabilities | 5,191,814 | 4,937,591
General Liability Insurance [Member] |  |
Supplementary Balance Sheet Information [Line Items] |  |
Self-insurance liabilities | $ 6,261,466 | $ 5,690,735

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