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INCOME TAXES (Additional Information) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Tax Credit Carryforward [Line Items] |  |  |  |
Undistributed earnings of foreign subsidiaries indefinitely invested | $ 85,700,000 | $ 85,700,000 |  |
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries | 6,400,000 | 6,400,000 |  |
Tax Cuts and Jobs Act of 2017, transition tax for accumulated foreign earnings |  | 0 |  |
Research and development costs | 26,700,000 | 26,700,000 | $ 13,700,000 |
Deferred tax asset related to net operating loss and capital loss and foreign tax credit carryforwards and research and development credit | 324,200,000 | 324,200,000 |  |
Deferred tax asset valuation allowance | 401,800,000 | 401,800,000 | 307,300,000 |
Cash paid for income taxes, net of amounts refunded |  | 215,700,000 | 173,400,000 | $ 202,900,000
Unrecognized tax benefits | 38,000,000 | 38,000,000 | 36,000,000 |
Unrecognized tax benefits, interest and penalties | 3,000,000 | 3,000,000 | 3,500,000 |
Unrecognized tax benefits that would have affected the effective tax rate | 35,700,000 | 35,700,000 | 33,300,000 |
Unrecognized tax benefits that would impact effective tax rate, income tax penalties and interest accrued |  | 2,600,000 | 2,800,000 |
Income tax, penalties and interest accrued | 1,400,000 | 1,400,000 | $ 1,100,000 |
Tax Cuts and Jobs Act of 2017, income tax benefit | 48,300,000 |  |  |
Tax Cuts and Jobs Act of 2017, reduction in net deferred tax liability |  | 85,100,000 |  |
Tax Cuts and Jobs Act of 2017, tax credit carryforward, valuation allowance | 17,600,000 | 17,600,000 |  |
Tax Cuts and Jobs Act of 2017, income tax expense due to inability to claim foreign tax credit | 16,400,000 |  |  |
Minimum |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Decrease unrecognized tax benefits is reasonably possible | 0 | 0 |  |
Maximum |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Decrease unrecognized tax benefits is reasonably possible | 18,300,000 | 18,300,000 |  |
Operating Loss and Capital Loss and Foreign Tax Credit Carryforwards and Research and Development Credit |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Deferred tax asset valuation allowance | 270,900,000 | 270,900,000 |  |
Foreign Country |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Operating loss carryforwards | 947,200,000 | 947,200,000 |  |
Expire At Various Times Between 2018 and 2037 | United States Federal |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Operating loss carryforwards | 69,800,000 | 69,800,000 |  |
Expire At Various Times Between 2018 and 2037 | Foreign Country |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Operating loss carryforwards | 11,000,000 | 11,000,000 |  |
Net Operating Loss Indefinite Life | Foreign Country |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Operating loss carryforwards | 936,200,000 | 936,200,000 |  |
Capital Loss Indefinite Life | Foreign Country |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Operating loss carryforwards | 16,700,000 | 16,700,000 |  |
Expire in 2018 | State |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Capital loss carryforwards | 2,500,000 | 2,500,000 |  |
Expire in Years 2022 through 2026 | Foreign Country |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Tax credit carryforward | $ 17,600,000 | $ 17,600,000 |  |

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