Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Common stock, dividends per share declared (in dollars per share)	$ 0.755	$ 0.72	$ 2.265	$ 2.16
Preferred stock dividends per share declared (in dollars per share)	$ 0.36875	$ 0.36875	$ 1.10625	$ 1.10625