POSTRETIREMENT BENEFIT PLANS Postretirement Textuals (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Defined Benefit Plan, Plan Assets, Contributions by Employer			$ (7.2)	$ (19.7)
Reclassification of Postretirement Costs from AOCI, Net of Tax	$ 0.8	$ 0.6	2.6	$ 1.7
Minimum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	3.0		3.0
Maximum [Member]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 5.0		$ 5.0