EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.0	$ 0.0	$ 0.0	$ 0.1
Interest cost	0.3	0.3	0.6	0.6
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of prior service credit	0.0	(0.1)	0.0	(0.2)
Amortization of net actuarial losses	0.0	0.0	0.0	0.0
Settlements/curtailments			0.0	0.0
Net periodic benefit costs	0.3	0.2	0.6	0.5
United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.5	0.9	1.0	1.8
Interest cost	0.6	0.6	1.2	1.2
Expected return on plan assets	(0.8)	(0.8)	(1.6)	(1.6)
Amortization of prior service credit	0.0	0.0	0.0	0.0
Amortization of net actuarial losses	0.7	1.3	1.4	2.6
Settlements/curtailments			0.0	0.0
Net periodic benefit costs	1.0	2.0	2.0	4.0
Foreign Plan | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.0	1.2	2.0	2.4
Interest cost	3.8	4.0	7.7	8.2
Expected return on plan assets	(7.7)	(8.2)	(15.6)	(16.6)
Amortization of prior service credit	0.0	0.0	0.0	0.0
Amortization of net actuarial losses	1.3	1.8	2.6	3.6
Settlements/curtailments			0.1	0.0
Net periodic benefit costs	$ (1.6)	$ (1.2)	$ (3.2)	$ (2.4)