PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS - Actual Asset Allocations (Details) - Pension Benefit Plans	Dec. 31, 2019	Dec. 31, 2018
United States | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	55.00%	52.00%
United States | Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	44.00%	47.00%
United States | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	1.00%	1.00%
Ireland, Germany, and Japan | Cash and cash equivalents
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	6.00%	5.00%
Ireland, Germany, and Japan | Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	25.00%	20.00%
Ireland, Germany, and Japan | Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	64.00%	69.00%
Ireland, Germany, and Japan | Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, percentage of actual plan asset allocations	6.00%	6.00%