PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Annual Expense (Income) Related to Retirement Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plans	$ 22.4	$ 12.7	$ 18.0
Defined contribution pension plans	3.4	3.1	2.9
Total	23.3	9.9	14.8
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plans	$ (2.5)	$ (5.9)	$ (6.1)