EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Numerator:
Net income (loss)	$ 11,806	$ (1,527)	$ 21,384	$ (3,665)
Denominator:
Basic weighted average number of common shares outstanding	35,347	35,731	35,206	36,196
Effect of stock options and restricted stock units computed on treasury stock method	900		858
Diluted weighted average number of common shares outstanding	36,247	35,731	36,064	36,196
Income (loss) per common share:
Basic	$ 0.33	$ (0.04)	$ 0.61	$ (0.10)
Diluted	$ 0.33	$ (0.04)	$ 0.59	$ (0.10)