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GOODWILL AND INTANGIBLE ASSETS (Amortization) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2016 | Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Future amortization for intangible assets and acquired software |  |  |  |
2017 |  | $ 7,236 | $ 7,236 |
2018 |  | 6,654 | 6,654 |
2019 |  | 5,469 | 5,469 |
2020 |  | 4,471 | 4,471 |
2021 |  | 4,418 | 4,418 |
Thereafter |  | 23,301 | 23,301 |
Total amortization |  | 51,549 | 51,549 |
Future amortization for intangible assets |  |  |  |
2017 |  | 4,538 | 4,538 |
2018 |  | 4,520 | 4,520 |
2019 |  | 4,482 | 4,482 |
2020 |  | 4,454 | 4,454 |
2021 |  | 4,412 | 4,412 |
Thereafter |  | 23,301 | 23,301 |
Net Value |  | 45,707 | 45,707 | $ 41,665
Future amortization for acquired software |  |  |  |
2017 |  | 2,698 | 2,698 |
2018 |  | 2,134 | 2,134 |
2019 |  | 987 | 987 |
2020 |  | 17 | 17 |
2021 |  | 6 | 6 |
Total amortization, Acquired software |  | 5,842 | 5,842 |
Impairment Assessment of Long-Lived Assets |  |  |  |
Impairment of indefinite-lived intangible assets |  |  | 0 | $ 0
Restructuring charges |  | $ 10,300 | 10,313 |
Software impairment |  |  |  |
Impairment Assessment of Long-Lived Assets |  |  |  |
Restructuring charges | $ 6,200 |  | $ 6,244 |
Software impairment | Acquired Software |  |  |  |
Impairment Assessment of Long-Lived Assets |  |  |  |
Restructuring charges | $ 5,500 |  |  |

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