RESTRUCTURING CHARGES - Restructuring Reserve (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Charges to income	$ 10,531
Payments	(7,133)
Other	(69)
Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	3,329
Employee severance and related costs
Restructuring Reserve [Roll Forward]
Charges to income	7,207
Payments	(5,589)
Other	(69)
Employee severance and related costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	1,549
Other costs
Restructuring Reserve [Roll Forward]
Charges to income	3,324
Payments	(1,544)
Other	0
Other costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	$ 1,780