Earnings per Share - Computation for Basic and Diluted Earnings (loss) per Share (Detail) - $ / shares	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	26,025,452	25,842,798	25,818,737
Effect of dilutive RSUs	133,556	97,278	132,404
Diluted weighted average common shares outstanding	26,159,008	25,940,076	25,951,141
Earnings per share
Basic	$ 1.55	$ 1.65	$ 1.83
Diluted	1.54	1.64	1.82
Cash dividends per share	$ 3.5	$ 1	$ 1