Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		190 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock	39	0	91,883	0	2,334,384
Repurchase of common stock, average cost per share	$ 22.62		$ 19.79		$ 16.47
Total remaining amount available to repurchase of shares			$ 21.5
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized aggregate amount	$ 60.0		$ 60.0		$ 60.0