SHAREHOLDERS' EQUITY, Common Stock Dividends Declared and Paid (Details) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Equity [Abstract]
Dividends per common share - declared (in usd per share)	$ 0.45	$ 0.42	$ 0.90	$ 0.84
Dividends per common share - paid (in usd per share)	$ 0.45	$ 0.42	$ 0.87	$ 0.76
Dividend payout ratio	20.30%	21.80%	19.80%	19.90%