EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Number of shares held on behalf of participants (in shares)	431,744	442,239
Market value of the shares held on behalf of participants	$ 33.6	$ 31.1
United States | Defined Benefit Pension Plans
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Aggregate accumulated benefit obligation	40.2	38.8
Contribution to the plan	$ 2.1
United States | Defined Benefit Pension Plans | Equity security funds
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation (as a percent)	55.00%
United States | Defined Benefit Pension Plans | Debt security funds and other
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation (as a percent)	45.00%
Foreign Plan | Defined Benefit Pension Plans
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Aggregate accumulated benefit obligation	$ 336.0	$ 301.1
Contribution to the plan	$ 8.8
Foreign Plan | Defined Benefit Pension Plans | Equity security funds
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation (as a percent)	26.00%
Foreign Plan | Defined Benefit Pension Plans | Debt security funds and other
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation (as a percent)	53.00%
Foreign Plan | Defined Benefit Pension Plans | Other Investments
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]
Target asset allocation (as a percent)	21.00%