PENSION PLANS (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
After-tax (benefit) charge to shareholders' equity	$ 76.5	$ 21.3
Pretax (benefit) charge to shareholders' equity	$ 100.6	$ 26.9	$ 66.1
Basis point increase (decrease) in the plans' discount rate reflected in (benefit) charge to shareholders' equity	60	(50)
Actuarial (gain) loss	$ (161.7)	$ 171.3
Benefit obligation	2,667.8	2,883.3	2,717.2
Projected benefit payments [Abstract]
Par outstanding value of bonds used to determine the discount rate yield curve	$ 250.0
Historic rate of return on plan assets in the last 5 year period (in hundredths)	6.30%
Historic rate of return on plan assets in the last 10 year period (in hundredths)	9.20%
Historic rate of return on plan assets in the last 15 year period (in hundredths)	8.80%
Qualified plans
Projected benefit payments [Abstract]
2019	$ 140.5
2020	140.3
2021	139.4
2022	138.0
2023	135.2
Non-qualified plans
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation	5.9	5.8
Projected benefit payments [Abstract]
2019	0.5
2020	0.9
2021	0.5
2022	0.4
2023	0.3
Foreign
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	2.6	1.7	1.3
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	5.0
U.S.
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer			6.0
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 0.0
Accounting Standards Update 2017-07 | Cost of Goods Sold
Projected benefit payments [Abstract]
New Accounting Pronouncement, Quantification of Effect of Adoption		15.3	20.8
Accounting Standards Update 2017-07 | Selling and Administration Expenses
Projected benefit payments [Abstract]
New Accounting Pronouncement, Quantification of Effect of Adoption		$ 19.1	$ 24.0