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ACQUISITIONS AND DIVESTITURES (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Assets and Liabilities Held for Sale [Line Items] |  |
Total assets held for sale | $ 9,163 | $ 7,835
Total liabilities held for sale | 3,788 | $ 1,322
Business Unit From Customer Growth Services And Customer Strategy Services Segments | Disposal Group, Held-for-sale, Not Discontinued Operations |  |
Assets and Liabilities Held for Sale [Line Items] |  |
Accounts receivable, net - assets held for sale | 6,837 |
Other assets held for sale | 3,113 |
Property, Plant and Equipment - assets held for sale | 56 |
Goodwill - assets held for sale | 3,033 |
Allowance for reduction of assets held for sale | (4,700) |
Total assets held for sale | 9,163 |
Accounts payable held for sale | 2,845 |
Accrued employee compensation and benefits | 943 |
Total liabilities held for sale | 3,788 |
Business Unit From Customer Growth Services And Customer Strategy Services Segments | Disposal Group, Held-for-sale, Not Discontinued Operations | Customer Relationships [Member] |  |
Assets and Liabilities Held for Sale [Line Items] |  |
Intangible assets held for sale | $ 824 |

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