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Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended | 173 Months Ended
--- | --- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Repurchase of common stock | 64,082 | 254,679 | 2,213,111
Repurchase of common stock, average cost per share | $ 17.46 | $ 18.81 | $ 16.25
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 | $ 40.0 |  | $ 40.0

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