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LEGAL PROCEEDINGS (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 09, 2017
Apr. 24, 2017
Apr. 05, 2017
Feb. 24, 2016
Jun. 30, 2018
Apr. 30, 2018
Nov. 30, 2017
Jun. 30, 2017
May 31, 2018
May 31, 2017
Feb. 28, 2017
Nov. 30, 2017
Feb. 29, 2016
Feb. 28, 2018
Loss Contingencies [Line Items]                            
Damages awarded   $ 1,200 $ 8,900 $ 2,975                    
Damages reserve                         $ 2,900  
Accrued damages amount                         $ 2,900  
Accrual for litigation                   $ 6,100 $ 7,200      
Aggregate accrual in relation to legal matter                           $ 17,600
EVE Holdings Limited [Member]                            
Loss Contingencies [Line Items]                            
Amount of damages sought by company in litigation matter $ 46,000                          
Proceeds from litigation settlement             $ 13,000 $ 15,000       $ 28,000    
LoJack [Member] | Subsequent Event [Member]                            
Loss Contingencies [Line Items]                            
Proceeds from litigation settlement           $ 13,300                
Scenario, Forecast [Member]                            
Loss Contingencies [Line Items]                            
Increased reserve in relation to legal matter                 $ 6,100          
Scenario, Forecast [Member] | LoJack [Member]                            
Loss Contingencies [Line Items]                            
Proceeds from litigation settlement         $ 5,000