RESTRUCTURING CHARGES (Cost Incurred and Expected to be Incurred) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Total Costs Expected to be Incurred	$ 6,654		$ 6,654
Cost Recognized	789	$ 182	2,767	$ 608
Cost Recognized (Cumulative costs recognized to date)	2,767		2,767
Employee termination costs
Restructuring Cost and Reserve [Line Items]
Total Costs Expected to be Incurred	3,319		3,319
Cost Recognized	615		1,008
Cost Recognized (Cumulative costs recognized to date)	1,008		1,008
Inventory Impairment
Restructuring Cost and Reserve [Line Items]
Total Costs Expected to be Incurred	1,401		1,401
Cost Recognized	0		1,401
Cost Recognized (Cumulative costs recognized to date)	1,401		1,401
Facility related costs
Restructuring Cost and Reserve [Line Items]
Total Costs Expected to be Incurred	1,373		1,373
Cost Recognized	43		158
Cost Recognized (Cumulative costs recognized to date)	158		158
Other related costs
Restructuring Cost and Reserve [Line Items]
Total Costs Expected to be Incurred	561		561
Cost Recognized	131		200
Cost Recognized (Cumulative costs recognized to date)	$ 200		$ 200