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INCOME TAXES (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Income Taxes Uncertain Tax Positions and Tax Reform [Abstract] |  |  |  |  |  |
Liability for uncertain tax positions | $ 28.2 |  |  | $ 28.2 |  | $ 30.4
Liability for uncertain tax positions - current | 1.1 |  |  | 1.1 |  | 2.5
Liability for uncertain tax positions - lapse of statute of limitations |  |  |  | (2.5) |  |
Interest and penalties uncertain tax positions recognized |  |  |  | 0.7 | $ 0.6 |
(Benefit) on reversal of interest and penalties | (0.3) | $ 0.0 |  | (0.7) | $ 0.0 |
Accrued interest and penalties uncertain tax positions | $ 3.1 |  |  | $ 3.1 |  | $ 3.2
Federal statutory income tax rate |  |  |  | 21.00% |  | 35.00%
Estimated deemed repatriation tax |  |  |  | $ (2.6) |  |
One-time transition tax |  |  | $ 18.1 | $ 15.5 |  |

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- Definition Amount of reasonable estimate for income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
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- Definition Amount of reasonable estimate for income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
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