SEGMENT AND GEOGRAPHIC DATA (Summary of Adjusted EBITDA) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Segment Information Summary Of Adjustments Results Of Ebitda Details [Abstract]
Net income (loss)	$ 11,263	$ (522)	$ (854)	$ 8,511	$ (4,767)	$ 11,806	$ 12,232	$ (2,654)	$ 18,398	$ 16,617	$ (7,904)
Investment income									(5,258)	(2,256)	(1,691)
Interest expense									16,726	10,280	9,896
Income tax provision (benefits)									(1,330)	10,681	(1,563)
Depreciation and amortization									20,016	22,957	23,469
Stock-based compensation									11,029	9,298	7,833
Impairment loss and equity in net loss of affiliate									6,787	1,411	1,284
Loss on extinguishment of debt			$ 2,000						2,033
Acquisition and integration related expenses									935		4,513
Non-recurring legal expenses, net of reversal of litigation provision									(11,020)	10,738	9,192
Gain on LoJack battery performance legal Settlement	$ (2,500)	$ (2,500)		$ (13,300)		$ (13,300)	$ (15,000)		(18,333)	(28,333)
Restructuring									8,015
Other									217	989	4,339
Adjusted EBITDA									$ 48,215	$ 52,382	$ 49,368