RESTRUCTURING AND OTHER EXPENSES Restructuring Phase II (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring accrual activity
Expenses	$ 15,646	$ 7,718	$ 5,143
Phase Two
Restructuring accrual activity
Balance	2,481	704
Expenses	10,912	3,435
Cash payments	(10,051)	(1,658)
Balance	3,342	2,481
Phase Two | Employee Severance and Other Benefits
Restructuring accrual activity
Balance	896	559
Expenses	2,949	1,496
Cash payments	(2,460)	(1,159)
Balance	1,385	896
Phase Two | Consulting Costs
Restructuring accrual activity
Balance	1,551	145
Expenses	6,242	1,561
Cash payments	(7,312)	(155)
Balance	481	1,551
Phase Two | Other Costs
Restructuring accrual activity
Balance	34	0
Expenses	1,721	378
Cash payments	(279)	(344)
Balance	$ 1,476	$ 34