Condensed Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Net product sales	$ 282,833	$ 282,518
Other product related revenues	6,251	7,678
Total revenues	289,084	290,196
Cost of goods sold, excluding amortization expense	150,668	178,681
Amortization expense	44,102	40,071
Total cost of goods sold	194,770	218,752
Gross margin	94,314	71,444
Operating expenses:
Research and development	34,624	20,224
Selling, general and administrative	50,941	40,795
Intangible asset impairment	41,758	0
Restructuring costs	1,146	1,816
Total operating expenses	128,469	62,835
Operating (loss) income	(34,155)	8,609
Interest income	14	37
Interest expense	(25,467)	(24,036)
Loss on debt extinguishment	(3,989)	(7,335)
Loss before benefit for income taxes	(63,597)	(22,725)
(Benefit) provision for income taxes	(24,232)	(7,979)
Net loss	$ (39,365)	$ (14,746)