RESTRUCTURING CHARGES - Restructuring Reserve (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Charges to income	$ 13,016
Payments	(10,360)
Other	14
Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	2,670
Employee severance and related costs
Restructuring Reserve [Roll Forward]
Charges to income	8,559
Payments	(7,469)
Other	14
Employee severance and related costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	1,104
Other costs
Restructuring Reserve [Roll Forward]
Charges to income	4,457
Payments	(2,891)
Other	0
Other costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	$ 1,566