Unrecognized cost of unvested share-based compensation awards.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- References

No definition available.

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- Definition

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

+ References

No definition available.

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Share-Based Compensation Plans - Unrecognized share based compensation expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016
UNRECOGNIZED SHARE-BASED COMPENSATION EXPENSE
Grants (in shares)	0
Stock Option Officers Employees and Consultants
UNRECOGNIZED SHARE-BASED COMPENSATION EXPENSE
Unrecognized Compensation Expense	$ 1,384
Weighted Average Period of Recognition	16 months 27 days
Grants (in shares)		2,000	186,000
Restricted Stock Units and Performance Stock Units
UNRECOGNIZED SHARE-BASED COMPENSATION EXPENSE
Unrecognized Compensation Expense	$ 12,220
Weighted Average Period of Recognition	23 months 24 days