RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABLITY ROLLFORWARD TABLE) (DETAILS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	$ 806	$ 2,071
Expense	4,720	1,814
Payments	(3,540)	(2,869)
Changes due to foreign currency	(92)	(210)
Change in estimates	(328)
Ending balance, restructuring reserve	1,566	806
Reduction in Force [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	806	2,071
Expense	3,728	1,814
Payments	(2,646)	(2,869)
Changes due to foreign currency	(92)	(210)
Change in estimates	(328)
Ending balance, restructuring reserve	1,468	$ 806
Facility Exit and Other Charges [Member]
Restructuring Cost and Reserve [Line Items]
Expense	992
Payments	(894)
Ending balance, restructuring reserve	$ 98