STOCK COMPENSATION - Effects to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]
Tax effects of employee's stock-based compensation expense recognized income	$ 1,873	$ 1,838	$ 2,181
Total employee stock-based compensation expense recognized in income, net of tax effects of $1,873, $1,838, and $2,181, respectively	$ 8,416	$ 8,465	$ 7,824