EMPLOYEE BENEFIT PLANS - Additional Information (Details) - U.K. Plan - Pension Plan $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Weighted-average of expected returns on asset investment, percentage	2.90%
Expected contributions for current year	$ 3.7
Total contributions to date	$ 1.0
Equities
Defined Benefit Plan Disclosure [Line Items]
Weighted-average of expected returns on asset investment, percentage	5.30%
Debt Security
Defined Benefit Plan Disclosure [Line Items]
Weighted-average of expected returns on asset investment, percentage	2.10%