EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ (55,827)	$ (7,415)	$ (7,369)	$ (8,693)	$ 11,263	$ (522)	$ (854)	$ 8,511	$ (79,304)	$ 18,398	$ 16,617
Basic weighted average number of common shares outstanding									33,670	34,589	35,250
Effect of stock options and restricted stock units computed on treasury stock method										705	889
Diluted weighted average number of common shares outstanding									33,670	35,294	36,139
Earnings (loss) per share:
Basic									$ (2.36)	$ 0.53	$ 0.47
Diluted	$ (1.65)	$ (0.22)	$ (0.22)	$ (0.26)	$ 0.33	$ (0.02)	$ (0.02)	$ 0.23	$ (2.36)	$ 0.52	$ 0.46