SEGMENT INFORMATION AND GEOGRAPHIC DATA (Summary of Adjusted EBITDA) (Details) - USD ($)		3 Months Ended		15 Months Ended
	Jun. 07, 2018	May 31, 2019	May 31, 2018	May 31, 2019
Segment Information Summary Of Adjustments Results Of Ebitda Details [Abstract]
Net income (loss)		$ (8,693,000)	$ 8,511,000
Investment income		(2,081,000)	(853,000)
Interest expense		5,456,000	2,665,000
Income tax provision		(2,257,000)	1,771,000
Depreciation		3,845,000	2,043,000
Amortization of intangible assets		3,040,000	2,748,000
Stock-based compensation	$ 100,000	2,543,000	2,467,000
Impairment loss and equity in net loss of affiliate		530,000	439,000
Restructuring charges		0	3,383,000	$ 8,000,000
Non-recurring legal expenses		3,807,000	2,114,000
Acquisition and integration related expenses		1,144,000
Gain on LoJack battery performance legal Settlement			(13,333,000)
Other		235,000	222,000
Adjusted EBITDA		$ 7,569,000	$ 12,177,000