Earnings Per Share - Computation for Basic and Diluted Earnings Per Share (Detail) - $ / shares	3 Months Ended
	May 31, 2022	May 31, 2021
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	25,812,078	26,029,355
Effect of dilutive RSUs	43,292	84,004
Diluted weighted average common shares outstanding	25,855,370	26,113,359
Earnings per share
Net earnings - basic	$ 0.45	$ 0.28
Net earnings - diluted	0.45	0.28
Common Stock, Dividends, Per Share, Cash Paid	$ 0.25	$ 0.225