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GOODWILL AND INTANGIBLE ASSETS - Other Intangible Assets - Additional Information (Details) - Adesis, Inc. [Member] - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets | $ 16,840,000 |  | $ 16,840,000 |
Amortization expense related to other intangible assets | 345,000 | $ 346,000 | 687,000 | $ 688,000
Future amortization expense of other intangible assets, remainder of fiscal year | 1,400,000 |  | 1,400,000 |
Future amortization expense of other intangible assets, fiscal year 2 | 1,400,000 |  | 1,400,000 |
Future amortization expense of other intangible assets, fiscal year 3 | 1,400,000 |  | 1,400,000 |
Future amortization expense of other intangible assets, fiscal year 4 | 1,400,000 |  | 1,400,000 |
Future amortization expense of other intangible assets, fiscal year 5 | 1,400,000 |  | 1,400,000 |
Future amortization expense of other intangible assets, thereafter | 7,800,000 |  | 7,800,000 |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets | 10,520,000 |  | $ 10,520,000 |
Estimated useful life |  |  | 11 years 6 months |
Internally-developed IP, Processes and Recipes [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets | 4,820,000 |  | $ 4,820,000 |
Estimated useful life |  |  | 15 years |
Trade Name/Trademarks [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Other intangible assets | $ 1,500,000 |  | $ 1,500,000 |
Estimated useful life |  |  | 10 years |

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