Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Net product sales	$ 887,495	$ 980,631	$ 1,176,427
Other product related revenues	38,643	28,243	16,732
Total revenues	926,138	1,008,874	1,193,159
Cost of goods sold, excluding amortization expense	526,288	620,904	838,167
Amortization expense	13,106	14,439	21,039
Total cost of goods sold	539,394	635,343	859,206
Gross margin	386,744	373,531	333,953
Operating expenses:
Research and development	46,538	50,369	39,235
Selling, general and administrative	173,378	192,504	165,135
Settlements and loss contingencies, net	190,560	3,762	307
Restructuring costs	26,986		1,006
Total operating expenses	437,462	246,635	205,683
Gain on sale of product rights and other	125	6,025	3,200
Operating (loss) income	(50,593)	132,921	131,470
Gain on bargain purchase			3,021
Loss on extinguishment of senior subordinated convertible notes			(2,598)
Gain (loss) on marketable securities and other investments, net	237	3,459	(55)
Interest income	736	1,257	2,658
Interest expense	(2,676)	(2,905)	(8,013)
(Loss) income from continuing operations before provision for income taxes	(52,296)	134,732	126,483
(Benefit) provision for income taxes	(5,996)	41,980	48,883
(Loss) income from continuing operations	(46,300)	92,752	77,600
Discontinued operations:
(Benefit) provision for income taxes	(20,155)	21	672
Income (loss) from discontinued operations	20,155	(21)	(672)
Net (loss) income	$ (26,145)	$ 92,731	$ 76,928
Basic (loss) earnings per share of common stock:
(Loss) income from continuing operations	$ (1.29)	$ 2.70	$ 2.30
Income (loss) from discontinued operations	$ 0.56	$ 0.00	$ (0.02)
Net (loss) income	$ (0.73)	$ 2.70	$ 2.28
Diluted (loss) earnings per share of common stock:
(Loss) income from continuing operations	$ (1.29)	$ 2.60	$ 2.27
Income (loss) from discontinued operations	$ 0.56	$ 0.00	$ (0.02)
Net (loss) income	$ (0.73)	$ 2.60	$ 2.25
Weighted average number of common shares outstanding:
Basic	35,950	34,307	33,679
Diluted	35,950	35,644	34,188