Condensed Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Net product sales	$ 289,764	$ 224,502	$ 572,597	$ 507,020
Other product related revenues	5,641	9,167	11,892	16,845
Total revenues	295,405	233,669	584,489	523,865
Cost of goods sold, excluding amortization expense	162,836	133,304	313,503	311,985
Amortization expense	39,060	41,465	83,162	81,536
Total cost of goods sold	201,896	174,769	396,665	393,521
Gross margin	93,509	58,900	187,824	130,344
Operating expenses:
Research and development	28,455	25,811	63,055	46,035
Selling, general and administrative	43,852	36,822	94,818	77,617
Intangible asset impairment	35,863	466	77,621	466
Settlements and loss contingencies, net	0	3,300	0	3,300
Restructuring costs	2,866	0	4,012	1,816
Total operating expenses	111,036	66,399	239,506	129,234
Operating (loss) income	(17,527)	(7,499)	(51,682)	1,110
Interest income	0	20	14	56
Interest expense	(27,499)	(23,612)	(52,966)	(47,648)
Loss on debt extinguishment	0	0	(3,989)	(7,335)
Loss before benefit for income taxes	(45,026)	(31,091)	(108,623)	(53,817)
Benefit for income taxes	(18,106)	(9,300)	(42,338)	(17,280)
Net loss	$ (26,920)	$ (21,791)	$ (66,285)	$ (36,537)