Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Income Taxes for Other than Continuing Operations) (Details)

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INCOME TAXES (Income Taxes for Other than Continuing Operations) (Details) - USD ($)
$ in Millions
12 Months Ended
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