EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Earnings Per Share [Abstract]
Net income (loss)	$ (854)	$ 12,232	$ 7,657	$ 9,579
Basic weighted average number of common shares outstanding	34,850	35,204	35,141	35,136
Effect of stock options and restricted stock units computed on treasury stock method		817	932	837
Diluted weighted average number of common shares outstanding	34,850	36,021	36,073	35,973
Earnings (loss) per share:
Basic	$ (0.02)	$ 0.35	$ 0.22	$ 0.27
Diluted	$ (0.02)	$ 0.34	$ 0.21	$ 0.27