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BUSINESS COMBINATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended
Aug. 21, 2019
Nov. 01, 2018
Mar. 31, 2020
Jun. 30, 2020
Sep. 30, 2019
Business Acquisition [Line Items]          
Goodwill       $ 45,653 $ 82,786
DrillScan          
Business Acquisition [Line Items]          
Consideration given $ 32,700        
Contingent consideration 17,700        
Fair value of total assets acquired 36,300        
Fair value of total liabilities assumed 3,600        
Goodwill 14,900        
Identifiable intangible assets $ 19,100        
Increase in goodwill     $ 1,200    
AJC          
Business Acquisition [Line Items]          
Consideration given   $ 3,400      
Goodwill   $ 3,100