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Supplementary Balance Sheet Information (Tables)

12 Months Ended

Sep. 30, 2023

Supplementary Balance Sheet Information [Abstract]

Accrued Expenses and Current Portion of Other Long-Term Liabilities



		2023			2022
Property, payroll, and other taxes payable		$	25,203,091		$	23,306,546
Salaries, wages, and bonuses payable			50,836,143			49,619,593
Self-insurance liabilities:
Employee group insurance			4,536,309			4,969,709
Workers’ compensation insurance			4,711,748			4,607,267
General liability insurance			4,726,301			3,543,885
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

Schedule of Other Long-Term Liabilities



		2023			2022
Advance payments on purchases contracts		$	2,992,494		$	1,994,459
Nonqualified investment plan liability			21,768,079			18,445,157
Self-insurance liabilities:
Workers’ compensation insurance			13,297,179			13,287,189
General liability insurance			5,628,963			4,552,162
Other			4,804,238			3,942,604
Other long-term liabilities			48,490,953			42,221,571
Less current portion			1,046,077			742,351
Total other long-term liabilities		$	47,444,876		$	41,479,220