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GOODWILL AND INTANGIBLE ASSETS Schedule of Future Amortization (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]        
Remaining in 2019 $ 3,357      
2020 10,986      
2021 8,527      
2022 6,402      
2023 5,084      
2024 4,367      
Thereafter 17,430      
Balance as of June 30, 2019 $ 56,153 $ 70,719 $ 46,098 $ 52,178