CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Total revenues	$ 77,493	$ 95,413	$ 269,171	$ 286,317
Costs and expenses:
Cost of sales (excluding amortization of intangible assets)	2,975	17,396	17,772	54,895
Research and development expenses	2,127	1,761	5,835	12,459
Selling, general and administrative expenses	33,409	48,850	93,750	147,379
Amortization of intangible assets	25,443	25,734	76,331	77,204
Restructuring charges	3,911	434	18,742	3,875
Total costs and expenses	67,865	94,175	212,430	295,812
Income (loss) from operations	9,628	1,238	56,741	(9,495)
Other income (expense):
Litigation settlement	62,000	0	62,000	0
Interest and other income	677	72	973	604
Loss on prepayment of Senior Notes	0	0	0	(5,364)
Interest expense	(17,190)	(17,815)	(52,268)	(55,697)
Total other income (expense)	45,487	(17,743)	10,705	(60,457)
Income (loss) before income taxes	55,115	(16,505)	67,446	(69,952)
Benefit (expense) from income taxes	(6,845)	513	(6,400)	560
Net income (loss)	$ 48,270	$ (15,992)	$ 61,046	$ (69,392)
Basic net income (loss) per share (in dollars per share)	$ 0.76	$ (0.25)	$ 0.96	$ (1.11)
Diluted net income (loss) per share (in dollars per share)	$ 0.65	$ (0.25)	$ 0.93	$ (1.11)
Shares used in computing basic net income (loss) per share (in shares)	63,917	62,997	63,714	62,556
Shares used in computing diluted net income (loss) per share (in shares)	82,690	62,997	82,282	62,556
Product sales, net
Revenues:
Total revenues	$ 29,435	$ 95,204	$ 100,627	$ 285,721
Commercialization agreement, net
Revenues:
Total revenues	27,781	0	142,760	0
Royalties and milestones
Revenues:
Total revenues	$ 20,277	$ 209	$ 25,784	$ 596