INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 02, 2016
Income Tax Contingency
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%	35.00%
Income taxes-U.S. Tax Cuts and Jobs Act	$ 200
Valuation allowance	6,800	$ 9,800
Deferred taxes on the excess of the financial reporting over the tax basis in our investments in foreign subsidiaries that are essentially permanent in duration	381,100
Unrecognized tax benefits that would impact effective tax rate if recognized	1,000	1,300		$ 1,300
Decrease in interest and penalties reserve due to prior years tax positions	300
Reserve for interest and penalties	300	$ 600		$ 1,100
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound	400
Tax Cuts And Jobs Act Of 2017 Provisional Transition Tax Deferred Benefit	600
Tax Cuts And Jobs Act Of 2017 Provisional Transition Tax Deferred Benefit	400
Income Tax Expense (Benefit)	1,800
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	4,200
TCJAForeignEarningsPrevoiuslyTaxed	339,200
Foreign NOL carryforwards
Income Tax Contingency
Valuation allowance	5,000
State NOL carryforwards
Income Tax Contingency
Valuation allowance	$ 1,800