POSTRETIREMENT BENEFIT PLANS Postretirement Textuals (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 3.0	$ 3.5
Reclassification of Postretirement Costs from AOCI, Net of Tax	0.6	$ 1.1
Minimum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	8.0
Maximum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 12.0