STOCK-BASED COMPENSATION (Summary of Stock Option Activity) (Details) shares in Thousands	6 Months Ended
Aug. 31, 2017 $ / shares shares
Number of Options
Outstanding, beginning balance \| shares	955
Granted \| shares	165
Exercised \| shares	(45)
Forfeited or expired \| shares
Outstanding, ending balance \| shares	1,075
Exercisable \| shares	685
Weighted Average Exercise Price
Outstanding, beginning balance \| $ / shares	$ 8.60
Granted \| $ / shares	19.31
Exercised \| $ / shares	2.85
Forfeited or expired \| $ / shares
Outstanding, ending balance \| $ / shares	10.48
Exercisable \| $ / shares	$ 6.79

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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