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Supplementary Balance Sheet Information (Accrued Expenses and Current Portion of Other Long-Term Liabilities) (Details) - USD ($)
Sep. 30, 2023
Sep. 24, 2022
Supplementary Balance Sheet Information [Line Items]    
Property, payroll, and other taxes payable $ 25,203,091 $ 23,306,546
Salaries, wages and bonuses payable 50,836,143 49,619,593
Interest 5,111,666 4,590,254
Other 5,610,526 4,332,648
Total accrued expenses and current portion of other long-term liabilities 100,735,784 94,969,902
Employee Group Insurance [Member]    
Supplementary Balance Sheet Information [Line Items]    
Self-insurance liabilities 4,536,309 4,969,709
Workers' Compensation Insurance [Member]    
Supplementary Balance Sheet Information [Line Items]    
Self-insurance liabilities 4,711,748 4,607,267
General Liability Insurance [Member]    
Supplementary Balance Sheet Information [Line Items]    
Self-insurance liabilities $ 4,726,301 $ 3,543,885