COMPREHENSIVE INCOME (Details) $ in Thousands	6 Months Ended
	Aug. 31, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances at February 29, 2016	$ 189,447
Balances at August 31, 2016	181,195
Cumulative Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances at February 29, 2016	(226)
Other comprehensive loss, net of tax	(624)
Balances at August 31, 2016	(850)
Unrealized Gains/Losses on Marketable Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances at February 29, 2016
Other comprehensive loss, net of tax	(8)
Balances at August 31, 2016	(8)
Total [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balances at February 29, 2016	(226)
Other comprehensive loss, net of tax	(632)
Balances at August 31, 2016	$ (858)