POSTRETIREMENT BENEFIT PLANS Postretirement Textuals (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Defined Benefit Plan, Contributions by Employer	$ 3.5	$ 3.3
Reclassification of Postretirement Costs from AOCI, Net of Tax	1.1	$ 1.1
Minimum [Member]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	8.0
Maximum [Member]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	$ 12.0