Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net product sales	$ 700,425	$ 600,333
Other Revenue	613	0
Revenue, Net	701,038	600,333
Cost of sales	58,986	69,399
Operating expenses:
Research and development	176,290	221,080
Selling, general and administrative	232,561	187,116
Amortization of Intangible Assets Acquired	80,094	0
Change in fair value of contingent consideration	(14,800)	11,979
Acquisition-related costs	1,339	0
Restructuring expenses	722	7,052
Total operating expenses	476,206	427,227
Operating income	165,846	103,707
Other income and expense:
Investment income	1,551	2,884
Interest expense	(23,890)	(651)
Foreign currency gain	91	1,005
Income before income taxes	143,598	106,945
Income tax provision	51,432	15,622
Net income	$ 92,166	$ 91,323
Earnings per common share
Basic	$ 0.41	$ 0.46
Diluted	$ 0.41	$ 0.45
Shares used in computing earnings per common share
Basic	225,060	199,361
Diluted	226,873	202,034