Shareholders' Equity - Additional Information (Detail) $ / shares in Units, $ in Millions |
9 Months Ended | 158 Months Ended |
|---|---|---|
|
Nov. 30, 2021
USD ($)
$ / shares
shares
|
Nov. 30, 2021
USD ($)
$ / shares
shares
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Repurchase of common stock | shares | 102,757 | 1,997,107 |
| Repurchase of common stock, average cost per share | $ / shares | $ 18.90 | $ 16.07 |
| Total remaining amount available to repurchase of shares | $ 7.9 | |
| Maximum [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock repurchase program, authorized aggregate amount | $ 40.0 | $ 40.0 |