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INCOME TAXES (Schedule of Unrecognized Tax Benefits Rollforward) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Contingency [Line Items] |  |  |  |
Unrecognized Tax Benefits | $ 33.5 | $ 30.7 | $ 156.2 | $ 72.6
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | (2.8) |  |  |
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions |  | (61.0) | (6.7) |
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions | 4.5 | 0.2 | 78.5 |
Unrecognized Tax Benefits Increases Decreases Resulting From Currency Translation | 0.0 | 0.0 | 0.0 |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | 1.0 | 64.7 | 1.1 |
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 0.0 | 0.0 | (0.5) |
Other Increases decreases to unrecognized tax benefits | $ 0.1 | $ 0.0 | $ 0.0 |

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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