RESTRUCTURING CHARGES (Restructuring Reserve) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Reserve [Roll Forward]
Balance at December 31, 2016	$ 0
Restructuring	1,436	$ 200
Cash expenditures	(35)
Other adjustments to accrual	0
Foreign currency translation adjustment	0
Balance at March 31, 2017	1,401
Employee termination costs
Restructuring Reserve [Roll Forward]
Restructuring	0
Inventory impairment
Restructuring Reserve [Roll Forward]
Restructuring	1,401
Facility related costs
Restructuring Reserve [Roll Forward]
Restructuring	10
Other related costs
Restructuring Reserve [Roll Forward]
Restructuring	$ 25