SEGMENT INFORMATION AND GEOGRAPHIC DATA (Summary of Revenues by Geographic Area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Segment Reporting Information [Line Items]
Revenues	$ 96,037	$ 89,767	$ 190,925	$ 177,848
United States [Member]
Segment Reporting Information [Line Items]
Revenues	70,647	65,879	141,064	129,744
Europe, Middle East and Africa [Member]
Segment Reporting Information [Line Items]
Revenues	13,788	11,374	27,132	22,536
South America [Member]
Segment Reporting Information [Line Items]
Revenues	1,723	1,986	4,129	5,779
Canada [Member]
Segment Reporting Information [Line Items]
Revenues	2,338	4,202	3,702	7,561
Asia and Pacific Rim [Member]
Segment Reporting Information [Line Items]
Revenues	3,480	3,320	7,239	6,120
All other [Member]
Segment Reporting Information [Line Items]
Revenues	$ 4,061	$ 3,006	$ 7,659	$ 6,108