PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Domestic Plans with Accumulated Benefit Obligations) (Details) - United States Pension Plan of US Entity, Defined Benefit [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Projected benefit obligation	$ 48,500	$ 47,468
Accumulated benefit obligation	48,500	47,468
Fair value of plan assets	$ 35,591	$ 32,013