EMPLOYEE BENEFIT PLANS - Amounts Included in Other Comprehensive Loss That are Expected to be Recognized as Components of Periodic Benefit Costs (Details) - Defined Benefit Pension Plans $ in Millions	Dec. 31, 2019 USD ($)
United States
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	$ 0.0
Net actuarial loss	1.0
Total recognized in net periodic benefit cost and other comprehensive (loss) income	1.0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Prior service cost	0.1
Net actuarial loss	4.3
Total recognized in net periodic benefit cost and other comprehensive (loss) income	$ 4.4