Stock Options and Stock Awards - Options (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
Aug. 31, 2019 USD ($) $ / shares shares
Stock options and stock award Plans
Weighted average fair value of options granted (in dollars per share) \| $ / shares	$ 3.54
Options, Shares activity
Granted (in shares) \| shares	503
Stock options
Unrecognized pre-tax compensation costs related to unvested stock options and restricted stock grants
Unrecognized pre-tax costs \| $	$ 1,743
Weighted average amortization period	3 years 10 months 24 days
Additional General Disclosures
Vesting period	4 years

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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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.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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