UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.41	$ 0.40	$ 0.81	$ 0.77
Dividends declared per preferred share (in dollars per share)			$ 0.10	$ 0.10