Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Net product sales	$ 150,586	$ 150,839
Revenues under collaborative agreements	3,100	1,875
Total revenues	153,686	152,714
Costs and expenses:
Cost of goods sold	34,557	12,544
Selling, general and administrative	110,348	64,625
Research and development	51,236	41,915
Collaborative profit-sharing	0	59,851
Amortization of Acquired Intangible Assets	7,780	0
Loss on fair value adjustments	3,947	0
Restructuring	151	2,858
Total costs and expenses	208,019	181,793
Operating loss	(54,333)	(29,079)
Interest and other expense, net	(44,707)	(8,245)
Net loss	$ (99,040)	$ (37,324)
Net loss per share-basic and diluted	$ (0.66)	$ (0.26)
Shares used in computing net loss per share, basic and diluted	150,365	144,787