RESTRUCTURING AND OTHER EXPENSES Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		38 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	$ 4,803	$ 3,858	$ 8,266	$ 8,450
Transitional expenses	4,200	900	6,700	1,600
Phase II
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses			1,941	6,800	$ 18,200
Restructuring Reserve	1,321		1,321		1,321	$ 3,342
Employee Severance | Phase II
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses	900	$ 3,000	732	1,300	6,300
Restructuring Reserve	1,133		1,133		1,133	1,385
Consulting | Phase II
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses			111	$ 5,300	8,200
Restructuring Reserve	3		3		3	481
Other Restructuring | Phase II
Restructuring Cost and Reserve [Line Items]
Restructuring and other expenses			1,098		3,700
Restructuring Reserve	$ 185		$ 185		$ 185	$ 1,476