STOCKHOLDERS' EQUITY (Summary of Stock Option Activity) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Number of Options
Outstanding, beginning balance	955	860	1,007
Granted	165	227	82
Exercised	(140)	(125)	(228)
Forfeited or expired		(7)	(1)
Outstanding, ending balance	980	955	860	1,007
Exercisable	590	624	688
Weighted Average Exercise Price
Outstanding, beginning balance	$ 8.60	$ 6.96	$ 5.80
Granted	19.31	14.49	17.54
Exercised	2.36	7.67	5.62
Forfeited or expired		15.70	1.80
Outstanding, ending balance	11.29	8.60	6.96	$ 5.80
Exercisable	$ 7.54	$ 5.03	$ 4.66
Weighted average remaining contractual life, Outstanding	5 years 10 months 24 days	5 years 6 months	4 years 8 months 12 days	4 years 7 months 6 days
Weighted average remaining contractual life, Exercisable	4 years 1 month 6 days	5 years 6 months	4 years 8 months 12 days
Aggregate intrinsic value, Outstanding	$ 11,866
Aggregate intrinsic value, Exercisable	$ 9,349	$ 7,046	$ 9,374
Weighted average grant date fair value of stock options granted during the year	$ 10.20	$ 6.69	$ 9.39