REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION (Details) (USD $)	0 Months Ended	3 Months Ended				8 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Sep. 02, 2011 item	Dec. 31, 2012 item	Dec. 31, 2011	Dec. 31, 2010
REPORTABLE SEGMENT AND GEOGRAPHICAL INFORMATION
Number of products sold by entity							1
Number of industries in which products are sold to global customers							1
Number of reportable segments						2	1
Reconciliation of Adjusted EBITDA to Net (loss) earnings from Continuing Operations
Amortization of deferred financing costs							$ (1,079,000)	$ (4,552,000)	$ (1,327,000)
Interest (expense) income, net							(196,000)	237,000	111,000
Income tax benefit (expense)							66,264,000	(10,673,000)	(26,669,000)
Goodwill impairment			(82,524,000)	(63,948,000)	0		(82,524,000)	(63,948,000)
Intangible asset impairment	(135,480,000)	(135,480,000)					(135,480,000)
Asset impairment	(37,431,000)						(37,431,000)	(1,861,000)
Restructuring							(1,438,000)	(347,000)
Stock-based compensation							(3,494,000)	(4,436,000)	(6,594,000)
(Loss) gain on disposal of property, plant and equipment							(2,000)	35,000	(11,000)
Net (loss) earnings from continuing operations							(211,575,000)	(39,428,000)	54,749,000
Reporting segment
Reconciliation of Adjusted EBITDA to Net (loss) earnings from Continuing Operations
Adjusted EBITDA							3,123,000	62,703,000	105,101,000
Unallocated amount to reporting segment
Reconciliation of Adjusted EBITDA to Net (loss) earnings from Continuing Operations
Depreciation and amortization							(19,687,000)	(16,625,000)	(15,328,000)
Amortization of deferred financing costs							(1,079,000)	(4,552,000)	(1,327,000)
Interest (expense) income, net							(196,000)	237,000	111,000
Income tax benefit (expense)							66,264,000	(10,673,000)	(26,669,000)
Goodwill impairment							(82,524,000)	(63,948,000)
Asset impairment							(37,431,000)	(1,861,000)
Restructuring							(1,069,000)	(308,000)
Stock-based compensation							(3,494,000)	(4,436,000)	(6,594,000)
(Loss) gain on disposal of property, plant and equipment							(2,000)	35,000	(11,000)
Transaction fees									$ (534,000)