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INCOME TAXES (Income Taxes for Other than Continuing Operations) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Contingency [Line Items] |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | $ 11.4 | $ 3.6 | $ 0.0
Other Comprehensive Income Unrealized Gain Loss On Mark To Market Adjustments Arising During Period Tax | 0.1 | 0.7 | 0.0
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent | $ 11.5 | $ 4.3 | $ 0.0

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