RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABLITY ROLLFORWARD TABLE) (DETAILS) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	$ 1,566
Expense	2,043
Payments	(889)
Changes due to foreign currency	(1)
Change in estimates	(62)
Ending balance, restructuring reserve	2,657
Reduction in Force [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	1,468
Expense	1,917
Payments	(693)
Changes due to foreign currency	(1)
Change in estimates	(62)
Ending balance, restructuring reserve	2,629
Facility Exit and Other Charges [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	98
Expense	126
Payments	(196)
Ending balance, restructuring reserve	$ 28