CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 1.450	$ 1.325	$ 1.190
Dividends declared per preferred share (in dollars per share)	$ 0.10	$ 0.10	$ 0.10