CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	May 31, 2022	Feb. 28, 2022	Nov. 30, 2021	May 31, 2021	Feb. 28, 2021	Nov. 30, 2020
Condensed Consolidated Statements Of Shareholders' Equity [Abstract]
Cash dividends, per share	$ 0.78	$ 0.78	$ 0.72	$ 0.72	$ 0.67	$ 0.67