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