STOCK COMPENSATION - Effects to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Share-Based Payment Arrangement [Abstract]
Tax effects of employee's stock-based compensation expense recognized income	$ 2,181	$ 1,562	$ 2,567
Total employee stock-based compensation expense recognized in income, net of tax effects of $2,181, $1,562, and $2,567, respectively	$ 7,824	$ 5,290	$ 7,656