EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.0	$ 0.1
Interest cost	0.3	0.3
Expected return on plan assets	0.0	0.0
Amortization of prior service credit	0.0	(0.1)
Amortization of net actuarial losses	0.0	0.0
Settlements/curtailments	0.0	0.0
Net periodic benefit costs	0.3	0.3
United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.5	0.9
Interest cost	0.6	0.6
Expected return on plan assets	(0.8)	(0.8)
Amortization of prior service credit	0.0	0.0
Amortization of net actuarial losses	0.7	1.3
Settlements/curtailments	0.0	0.0
Net periodic benefit costs	1.0	2.0
Foreign Plan | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.0	1.2
Interest cost	3.9	4.2
Expected return on plan assets	(7.9)	(8.4)
Amortization of prior service credit	0.0	0.0
Amortization of net actuarial losses	1.3	1.8
Settlements/curtailments	0.1	0.0
Net periodic benefit costs	$ (1.6)	$ (1.2)