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NATURE OF OPERATIONS - Narrative (Details) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Nov. 01, 2018 USD ($) | Jun. 30, 2019 USD ($) location | Sep. 30, 2018 USD ($)
Business Combinations |  |  |
Number of international locations | location |  | 4 |
Goodwill |  | $ 67,902 | $ 64,777
AJC |  |  |
Business Combinations |  |  |
Total cash consideration given | $ 3,400 |  |
Goodwill | $ 3,100 |  |

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