RESTRUCTURING CHARGES AND IMPAIRMENT LOSSES (LIABLITY ROLLFORWARD TABLE) (DETAILS) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	$ 1,566
Expense	3,131
Payments	(1,828)
Changes due to foreign currency	(23)
Change in estimates	(730)
Ending balance, restructuring reserve	2,116
Reduction in Force [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	1,468
Expense	2,384
Payments	(987)
Changes due to foreign currency	(23)
Change in estimates	(730)
Ending balance, restructuring reserve	2,112
Facility Exit and Other Charges [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, restructuring reserve	98
Expense	747
Payments	(841)
Ending balance, restructuring reserve	$ 4