RESTRUCTURING ACTIVITIES RESTRUCTURING ACTIVITIES (Details 3) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	$ 2,733
Recognized Restructuring Expense	11,307
Costs Paid or Otherwise Settled	(7,862)
Ending balance	6,178
Severance
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	1,307
Recognized Restructuring Expense	3,660
Costs Paid or Otherwise Settled	(3,370)
Ending balance	1,597
Other cash restructuring expenses
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	1,426
Recognized Restructuring Expense	7,647
Costs Paid or Otherwise Settled	(4,492)
Ending balance	$ 4,581