SEGMENT INFORMATION - Schedule of Total Assets, Tangible Property and Equipment, Depreciation and Amortization and Property Additions by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 1,586,743	$ 1,642,142
Property, Plant and Equipment, Net	124,950	143,117
Depreciation, Depletion and Amortization, Nonproduction	105,765	115,828	$ 137,827
Property, Plant and Equipment, Additions	12,894	16,587	11,023
North America
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,045,500	958,412
Depreciation, Depletion and Amortization, Nonproduction	89,083	101,419	121,616
Property, Plant and Equipment, Additions	6,791	6,194	5,917
International
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	541,243	683,730
Depreciation, Depletion and Amortization, Nonproduction	16,682	14,409	16,211
Property, Plant and Equipment, Additions	6,103	10,393	$ 5,106
UNITED STATES
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	1,020,000	940,500
IRELAND
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		204,600
SWITZERLAND
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	175,200
Other Machinery and Equipment
Segment Reporting, Asset Reconciling Item [Line Items]
Property, Plant and Equipment, Net	53,517	71,805
Other Machinery and Equipment | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Property, Plant and Equipment, Net	35,798	51,032
Other Machinery and Equipment | International
Segment Reporting, Asset Reconciling Item [Line Items]
Property, Plant and Equipment, Net	$ 17,719	$ 20,773