CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED)  (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Stockholders' Equity [Abstract]
Dividends paid on common stock (in dollars per share)	$ 0.26	$ 0.25	$ 0.77	$ 0.74
Dividends paid on preferred stock (in dollars per share)	$ 12.1875	$ 12.1875	$ 36.5625	$ 36.5625