INCOME TAXES - Operating Loss Carryforwards Narrative (Details) (USD $)	3 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		$ 291,400,000
Increase (decrease) in valuation allowance		(300,000)	(37,100,000)	0
Income tax (benefit) provision related to acquisition after recast	37,100,000
Valuation allowance attributable to tax benefits of share based compensation		26,200,000
Valuation allowance		135,697,000	130,979,000
Tax benefits related to share based compensation not included in the deferred tax assets		5,300,000
Undistributed earnings of foreign subsidiaries		1,000,000
Tax holidays and tax incentive programs expiration		12/31/2017
Business Acquisition [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance			37,100,000
United States and Certain Foreign [Member]
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance		4,700,000	(23,100,000)
Valuation allowance		135,700,000	131,000,000	154,100,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		186,300,000
Research and development tax credit carryforwards		25,200,000
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards		105,200,000
Research and development tax credit carryforwards		$ 41,000,000