Shareholders' Equity - Additional Information (Detail) $ / shares in Units, $ in Millions	6 Months Ended	178 Months Ended
	Aug. 31, 2023 USD ($) shares	Aug. 31, 2023 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock | shares	0	2,213,111
Repurchase of common stock, average cost per share | $ / shares		$ 16.29
Total remaining amount available to repurchase of shares	$ 23.9
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized aggregate amount	$ 60.0	$ 60.0