POSTRETIREMENT BENEFIT PLANS Postretirement Textuals (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Defined Benefit Plan, Plan Assets, Contributions by Employer			$ 4.2	$ 7.1
Reclassification of Postretirement Costs from AOCI, Net of Tax	$ 0.9	$ 0.5	1.8	$ 1.1
Minimum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	8.0		8.0
Maximum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 10.0		$ 10.0