Condensed Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 30, 2013 Successor [Member]	Sep. 28, 2012 Predecessor [Member]	Sep. 28, 2012 Predecessor [Member]
Revenues:
Net product sales	$ 10,689	$ 259,244	$ 766,264	$ 230,877	$ 780,797
Other product related revenues	0	8,077	24,922	7,186	23,071
Total revenues	10,689	267,321	791,186	238,063	803,868
Cost of goods sold, excluding amortization expense	6,230	131,722	443,707	127,999	431,174
Amortization expense	832	54,208	135,744	8,714	30,344
Total cost of goods sold	7,062	185,930	579,451	136,713	461,518
Gross margin	3,627	81,391	211,735	101,350	342,350
Operating expenses:
Research and development	0	27,246	73,282	15,989	66,606
Selling, general and administrative	288	39,390	117,006	83,779	165,604
Intangible asset impairment	0	39,480	39,946	3,700	5,700
Settlements and loss contingencies, net	0	0	3,300	0	45,000
Restructuring costs	0	0	1,816	0	0
Total operating expenses	288	106,116	235,350	103,468	282,910
Operating (loss) income	3,339	(24,725)	(23,615)	(2,118)	59,440
Interest income	0	14	70	148	424
Interest expense	(824)	(23,385)	(71,033)	(2,996)	(9,159)
Loss on debt extinguishment	0	0	(7,335)	0	0
Loss before (benefit) provision for income taxes	2,515	(48,096)	(101,913)	(4,966)	50,705
(Benefit) provision for income taxes	927	(18,797)	(36,077)	(3,588)	29,529
Net (loss) income	$ 1,588	$ (29,299)	$ (65,836)	$ (1,378)	$ 21,176