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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
NET INCOME	$ 7,676,208	$ 6,443,390	$ 12,945,897	$ 11,463,382
Other comprehensive income (loss), net of tax:
Interest rate swaps	(366,146)	199,532	(136,011)	(826,188)
Defined benefit plans	(7,706)	11,893	(15,413)	23,786
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(373,852)	211,425	(151,424)	(802,402)
COMPREHENSIVE INCOME	$ 7,302,356	$ 6,654,815	$ 12,794,473	$ 10,660,980

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