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POSTRETIREMENT BENEFIT PLANS Postretirement Textuals (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 2.2 | $ 3.0
Reclassification of Postretirement Costs from AOCI, Net of Tax | 0.9 | $ 0.6
Minimum [Member] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 10.0 |
Maximum [Member] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | $ 12.0 |

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