EMPLOYEE BENEFIT PLANS - U.S. and International Pension Plans With Accumulated and Projected Benefit Obligations in Excess of Plan Assets (Details) - Defined Benefit Pension Plans - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
United States
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	$ (41.1)	$ (39.4)
Accumulated benefit obligation	(40.2)	(38.8)
Fair value of plan assets	34.3	31.9
Projected benefit obligation	(41.1)	(39.5)
Fair value of plan assets	34.3	32.0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	(283.1)	(251.0)
Accumulated benefit obligation	(272.6)	(243.6)
Fair value of plan assets	193.9	172.3
Projected benefit obligation	(284.4)	(251.0)
Fair value of plan assets	$ 195.1	$ 172.3