PENSION BENEFIT PLANS - Narrative (Details) $ in Millions	3 Months Ended
	Jun. 30, 2020 USD ($) employee	Mar. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Contributions to defined benefit pension plans	$ 0.1
Expected cash contribution requirements for defined benefit pension plans, less than		$ 1.0
United States
Defined Benefit Plan Disclosure [Line Items]
Number of employees participating in noncontributory defined benefit pension plans | employee	0