BUSINESS REORGANIZATION EXPENSES LEASE TERMINATION PAYMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	$ 5,828	$ 3,789	$ 5,440
Hudson Americas
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	1,108	94	448
Hudson Asia Pacific
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	669	1,322	989
Hudson Europe
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	2,883	1,407	3,214
Corporate
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	1,168	966	789
Facility Closing
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	2,667	902	1,136
Facility Closing | Hudson Americas
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	503	91	(22)
Facility Closing | Hudson Asia Pacific
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	625	771	445
Facility Closing | Hudson Europe
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	1,358	40	713
Facility Closing | Corporate
Restructuring Cost and Reserve [Line Items]
Business reorganization expenses	$ 181	$ 0	$ 0