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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2021 | Nov. 30, 2020 | Nov. 30, 2021 | Nov. 30, 2020 | May 31, 2021 | Apr. 16, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unissued common stock reserved |  |  |  |  | 177,436 |
Stock option award maximum term |  |  | 10 years |  |  |
Share based compensation arrangements by share based payment award vesting period maximum |  |  | 5 years |  |  |
Number of outstanding vested and unvested stock options | 0 | 0 | 0 | 0 |  |
Number of stock options granted |  |  | 0 | 0 |  |
Remaining unrecognized compensation cost | $ 0.9 |  | $ 0.9 |  |  |
Weighted average remaining requisite service period |  |  | 1 year 6 months |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense related share based compensation before tax | 0.6 | $ 0.2 | $ 2.4 | $ 0.9 |  |
Restricted Stock Units [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Performance or vesting period |  |  | 3 years |  |  |
Number of stock options granted |  |  | 18,179 |  |  |
RSUs vesting description |  |  | The performance-based RSUs vest on the third anniversary from the date of grant and the time-based RSUs vest ratably over three years from the date of grant. |  |  |
Performance-based RSUs [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Remaining unrecognized compensation cost | 3.3 |  | $ 3.3 |  |  |
Weighted average remaining requisite service period |  |  | 2 years 6 months |  |  |
Restricted stock units granted |  |  | 177,977 |  |  |
Fair value of restricted stock units granted |  |  | $ 23.17 |  |  |
Time-based RSUs [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Remaining unrecognized compensation cost | $ 0.7 |  | $ 0.7 |  |  |
Weighted average remaining requisite service period |  |  | 2 years 6 months |  |  |
Restricted stock units granted |  |  | 44,494 |  |  |
Fair value of restricted stock units granted |  |  | $ 20.38 |  |  |
2021 Long-Term Incentive Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares authorized |  |  |  |  |  | 1,033,648

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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