STOCK COMPENSATION - Performance Shares (Details) - $ / shares	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Number of Units
Shares outstanding, beginning of period (in shares)	547,063	790,083
Granted (in shares)	178,631	190,187
Vested (in shares)	(230,323)	(329,409)
Forfeited or expired (in shares)	(21,023)	(103,798)
Shares outstanding, end of period (in shares)	474,348	547,063
Weighted Average Fair Value at Grant
Shares outstanding, beginning of period (in dollars per share)	$ 30.22	$ 30.03
Granted (in dollars per share)	55.56	30.88
Vested (in dollars per share)	35.70	30.32
Forfeited or expired (in dollars per share)	43.45	29.66
Shares outstanding, end of period (in dollars per share)	$ 36.52	$ 30.22
PSUs
Number of Units
Shares outstanding, beginning of period (in shares)	60,984
Granted (in shares)	35,705
Vested (in shares)	0
Forfeited or expired (in shares)	0
Shares outstanding, end of period (in shares)	96,689	60,984
Weighted Average Fair Value at Grant
Shares outstanding, beginning of period (in dollars per share)	$ 34.03
Granted (in dollars per share)	57.20
Vested (in dollars per share)	0
Forfeited or expired (in dollars per share)	0
Shares outstanding, end of period (in dollars per share)	$ 42.59	$ 34.03