RESTRUCTURING AND OTHER EXPENSES (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
Restructuring Reserve [Roll Forward]
Expenses	$ 4,803	$ 3,858	$ 8,266	$ 8,450
Phase II
Restructuring Reserve [Roll Forward]
Beginning balance			3,342
Expenses			1,941	6,800	$ 18,200
Cash payments			(3,962)
Ending balance	1,321		1,321		1,321
Phase II | Employee Severance and Other Benefits
Restructuring Reserve [Roll Forward]
Beginning balance			1,385
Expenses	900	$ 3,000	732	1,300	6,300
Cash payments			(984)
Ending balance	1,133		1,133		1,133
Phase II | Consulting Costs
Restructuring Reserve [Roll Forward]
Beginning balance			481
Expenses			111	$ 5,300	8,200
Cash payments			(589)
Ending balance	3		3		3
Phase II | Other Costs
Restructuring Reserve [Roll Forward]
Beginning balance			1,476
Expenses			1,098		3,700
Cash payments			(2,389)
Ending balance	$ 185		$ 185		$ 185