UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.370	$ 0.340	$ 1.080	$ 0.985
Dividends declared per preferred share (in dollars per share)			$ 0.10	$ 0.10