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Supplementary Balance Sheet Information (Schedule of Other Long-Term Liabilities) (Details) - USD ($)	Sep. 27, 2025	Sep. 28, 2024
Supplementary Balance Sheet Information [Line Items]
Advance payments on purchases contracts	$ 4,062,274	$ 3,063,450
Nonqualified investment plan liability	32,459,144	28,916,206
Other	7,332,622	5,927,404
Other long-term liabilities	64,336,417	57,376,082
Less current portion	2,663,475	1,394,960
Total other long-term liabilities	61,672,942	55,981,122
Workers' Compensation Insurance [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	11,758,783	12,137,235
General Liability Insurance [Member]
Supplementary Balance Sheet Information [Line Items]
Self-insurance liabilities	$ 8,723,594	$ 7,331,787

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