EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Aug. 31, 2019	May 31, 2019	Aug. 31, 2018	May 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ (7,369)	$ (8,693)	$ (854)	$ 8,511	$ (16,062)	$ 7,657
Basic weighted average number of common shares outstanding	33,568		34,850		33,475	35,141
Effect of stock options and restricted stock units computed on treasury stock method						932
Diluted weighted average number of common shares outstanding	33,568		34,850		33,475	36,073
Earnings (loss) per share:
Basic	$ (0.22)		$ (0.02)		$ (0.48)	$ 0.22
Diluted	$ (0.22)		$ (0.02)		$ (0.48)	$ 0.21