SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2015	Aug. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 69,808	$ 59,210	$ 135,237	$ 118,191
Gross profit	$ 25,303	$ 20,496	$ 48,829	$ 40,715
Gross margin, percentage	36.20%	34.60%	36.10%	34.40%
Operating income	$ 7,898	$ 5,033	$ 14,942	$ 9,637
Operating Segments [Member] | Wireless Datacom [Member]
Segment Reporting Information [Line Items]
Revenues	61,819	50,204	119,645	98,051
Gross profit	$ 23,098	$ 18,047	$ 44,686	$ 35,362
Gross margin, percentage	37.40%	35.90%	37.30%	36.10%
Operating income	$ 7,917	$ 4,657	$ 15,215	$ 8,325
Operating Segments [Member] | Satellite [Member]
Segment Reporting Information [Line Items]
Revenues	7,989	9,006	15,592	20,140
Gross profit	$ 2,205	$ 2,449	$ 4,143	$ 5,353
Gross margin, percentage	27.60%	27.20%	26.60%	26.60%
Operating income	$ 1,169	$ 1,300	$ 1,981	$ 3,156
Corporate Expenses [Member]
Segment Reporting Information [Line Items]
Operating income	$ (1,188)	$ (924)	$ (2,254)	$ (1,844)