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Share-based Compensation (Details Textual) | 12 Months Ended
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Feb. 28, 2022 USD ($) share_based_compensation_plan $ / shares shares | Feb. 28, 2021 USD ($) $ / shares shares | Feb. 29, 2020 USD ($) $ / shares shares
Share Based Compensation (Textual) [Abstract] |  |  |
Number of share-based compensation plans | share_based_compensation_plan | 2 |  |
Unrecognized compensation cost | $ | $ 8,600,000 |  |
Unrecongized compensation cost, amortization period | 1 year 5 months 8 days |  |
Excess Tax Benefit excluded from cash flow | $ | $ (400,000) | $ (400,000) | $ (100,000)
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture | $ | $ 4,600,000 | $ 2,300,000 | $ 3,800,000
2014 Long Term Incentive Plan |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Shares authorized (shares) | 1,500,000 |  |
Share for future issuance (shares) |  | 700,000 |
Employee Stock Purchase Plan |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Shares authorized (shares) | 1,500,000 |  |
Share for future issuance (shares) | 1,200,000 |  |
Granted option lower than | 85.00% |  |
Restricted common stock under plan | $ | $ 25,000 |  |
Common stock purchased during period (shares) | 5,000 |  |
Directors Grants |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Shares of company common stock (shares) | 1,976 | 3,174 | 2,124
Value of common stock grants (usd per share) | $ / shares | $ 53.13 | $ 33.08 | $ 47.08
Performance Shares |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Vesting ratably term | 3 years |  |
Performance Shares | Minimum |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Vesting percentage of award | 0.00% |  |
Performance Shares | Maximum |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Vesting percentage of award | 200.00% |  |
Stock Appreciation Rights (SARs) |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Vesting ratably term | 3 years |  |
Term for the contract | 7 years |  |
Shares of company common stock (shares) | 0 | 0 | 0
Restricted Stock |  |  |
Share Based Compensation (Textual) [Abstract] |  |  |
Vesting ratably term | 3 years |  |

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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