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LEGAL PROCEEDINGS (Legal Proceedings) (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jun. 30, 2018
Feb. 28, 2018
Oct. 31, 2017
Jun. 30, 2017
May 31, 2017
Feb. 29, 2016
Gain Contingencies [Line Items]            
Amount of payment         $ 1,200  
Damages awarded           $ 2,975
Damages reserve           2,900
Accrual for litigation         $ 6,100 $ 7,200
LoJack [Member] | Scenario, Forecast [Member]            
Gain Contingencies [Line Items]            
Litigation settlement awarded $ 5,000 $ 13,000 $ 13,000 $ 3,000    
Subsequent Event [Member] | LoJack [Member]            
Gain Contingencies [Line Items]            
Litigation settlement awarded       $ 12,000