RESTRUCTURING CHARGES - Restructuring Reserve (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Charges to income	$ 8,166
Payments	(5,162)
Other	11
Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	3,015
Employee severance and related costs
Restructuring Reserve [Roll Forward]
Charges to income	5,502
Payments	(3,875)
Other	11
Employee severance and related costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	1,638
Other costs
Restructuring Reserve [Roll Forward]
Charges to income	2,664
Payments	(1,287)
Other	0
Other costs | Accrued liabilities
Restructuring Reserve [Roll Forward]
Liability balance	0
Liability balance	$ 1,377