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GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, gross beginning of period |  |  | $ 148,575 | $ 146,542 | $ 148,575 |  |
Accumulated impairment charges, beginning of period |  |  | (26,941) | (128,591) | (26,941) |  |
Goodwill, net beginning of period |  |  | 121,634 | 17,951 | 121,634 |  |
Impairment charge |  |  | (104,300) |  | (101,650) |  |
Foreign currency translation |  |  |  | 2,226 | (2,033) |  |
Goodwill, gross end of period |  |  |  | 148,768 | 146,542 |  | $ 148,575
Accumulated impairment charges, end of period |  |  |  | (128,591) | (128,591) |  | (26,941)
Goodwill, net end of period |  |  |  | 20,177 | $ 17,951 |  | $ 121,634
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Decrease in impairment charge |  | $ (2,600) |  |  |  |  |
Trademarks [Member] | Minimum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Revenue 5-year compound annual growth rate (CAGR) | [1] |  |  |  | (0.40%) | [2] | 0.20%
Estimated fair royalty rate | [1] |  |  |  | 0.25% | [2] | 0.50%
Discount rate of fair value inputs | [1] |  |  |  | 11.00% | [2] | 12.00%
Trademarks [Member] | Maximum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Revenue 5-year compound annual growth rate (CAGR) | [1] |  |  |  | 2.70% | [2] | 4.00%
Estimated fair royalty rate | [1] |  |  |  | 1.50% | [2] | 2.00%
Discount rate of fair value inputs | [1] |  |  |  | 15.00% | [2] | 14.00%
Power Solutions [Member] |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, net beginning of period |  | 55,500 |  |  |  |  |
Goodwill, net end of period |  |  | 55,500 |  |  |  |
Connectivity Solutions [Member] |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, net beginning of period |  | $ 55,000 |  |  |  |  |
Goodwill, net end of period |  |  | 55,000 |  |  |  |
Income Approach - Discounted Cash Flows [Member] | Goodwill [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Weighting of valuation method | [1] |  |  |  | 75.00% | [2] | 75.00%
Income Approach - Discounted Cash Flows [Member] | Goodwill [Member] | Minimum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Revenue 5-year compound annual growth rate (CAGR) | [1],[3] |  |  |  | (9.00%) | [2] | 2.60%
2016 EBITDA margins | [1],[3],[4] |  |  |  | 5.10% | [2] | 7.20%
Cost of equity capital | [1],[3] |  |  |  | 11.60% | [2] | 12.30%
Cost of debt capital | [1],[3] |  |  |  | 3.60% | [2] | 2.40%
Weighted average cost of capital | [1],[3] |  |  |  | 10.00% | [2] | 11.00%
Income Approach - Discounted Cash Flows [Member] | Goodwill [Member] | Maximum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Revenue 5-year compound annual growth rate (CAGR) | [1],[3] |  |  |  | (0.60%) | [2] | 2.70%
2016 EBITDA margins | [1],[3],[4] |  |  |  | 6.60% | [2] | 8.40%
Cost of equity capital | [1],[3] |  |  |  | 14.70% | [2] | 16.50%
Cost of debt capital | [1],[3] |  |  |  | 8.50% | [2] | 5.90%
Weighted average cost of capital | [1],[3] |  |  |  | 14.00% | [2] | 15.00%
Market Approach - Multiples of Guideline Companies [Member] | Goodwill [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Invested capital control premium | [1],[3] |  |  |  | 25.00% | [2] | 25.00%
Weighting of valuation method | [1] |  |  |  | 25.00% | [2] | 25.00%
Market Approach - Multiples of Guideline Companies [Member] | Goodwill [Member] | Minimum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Net operating revenue multiples used | [1],[3] |  |  |  | 0.4 | [2] | 0.4
Operating EBITDA multiples used | [1],[3],[4] |  |  |  | 5.9 | [2] | 5.0
Market Approach - Multiples of Guideline Companies [Member] | Goodwill [Member] | Maximum [Member] |  |  |  |  |  |  |
Fair Value Inputs [Abstract] |  |  |  |  |  |  |
Net operating revenue multiples used | [1],[3] |  |  |  | 0.6 | [2] | 0.5
Operating EBITDA multiples used | [1],[3],[4] |  |  |  | 6.3 | [2] | 5.3
North America [Member] |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, gross beginning of period |  |  | 63,364 | 63,364 | $ 63,364 |  |
Accumulated impairment charges, beginning of period |  |  | (14,066) | (54,474) | (14,066) |  |
Goodwill, net beginning of period |  |  | 49,298 | 8,890 | 49,298 |  |
Impairment charge |  |  |  |  | (40,408) |  |
Foreign currency translation |  |  |  | 0 | 0 |  |
Goodwill, gross end of period |  |  |  | 63,364 | 63,364 |  | $ 63,364
Accumulated impairment charges, end of period |  |  |  | (54,474) | (54,474) |  | (14,066)
Goodwill, net end of period |  |  |  | $ 8,890 | 8,890 |  | 49,298
Reporting unit, percentage of fair value in excess of carrying amount |  |  |  | 10.20% |  |  |
Asia [Member] |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, gross beginning of period |  |  | 54,532 | $ 54,508 | 54,532 |  |
Accumulated impairment charges, beginning of period |  |  | (12,875) | (54,508) | (12,875) |  |
Goodwill, net beginning of period |  |  | 41,657 | 0 | 41,657 |  |
Impairment charge |  |  |  |  | (41,633) |  |
Foreign currency translation |  |  |  | 0 | (24) |  |
Goodwill, gross end of period |  |  |  | 54,508 | 54,508 |  | 54,532
Accumulated impairment charges, end of period |  |  |  | (54,508) | (54,508) |  | (12,875)
Goodwill, net end of period |  |  |  | 0 | 0 |  | 41,657
Europe [Member] |  |  |  |  |  |  |
Goodwill [Roll Forward] |  |  |  |  |  |  |
Goodwill, gross beginning of period |  |  | 30,679 | 28,670 | 30,679 |  |
Accumulated impairment charges, beginning of period |  |  | 0 | (19,609) | 0 |  |
Goodwill, net beginning of period |  |  | $ 30,679 | 9,061 | 30,679 |  |
Impairment charge |  |  |  |  | (19,609) |  |
Foreign currency translation |  |  |  | 2,226 | (2,009) |  |
Goodwill, gross end of period |  |  |  | 30,896 | 28,670 |  | 30,679
Accumulated impairment charges, end of period |  |  |  | (19,609) | (19,609) |  | 0
Goodwill, net end of period |  |  |  | $ 11,287 | $ 9,061 |  | $ 30,679
Reporting unit, percentage of fair value in excess of carrying amount |  |  |  | 8.90% |  |  |
[1] | Annual
[2] | Interim
[3] | Ranges noted reflect assumptions and multiples used throughout the North America, Asia and Europe reporting units
[4] | EBITDA represents earnings before interest, taxes, depreciation and amortization. EBITDA margin is calculated by dividing EBITDA by net sales.

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