Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended
	Feb. 02, 2015	Feb. 28, 2015	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				15 years 4 months 24 days
Gross Carrying Amount			$ 897,733	$ 897,733	$ 261,055
Accumulated Amortization and Other Charges			(130,920)	(130,920)	(81,076)
Net Carrying Amount			766,813	766,813	179,979
Impairment charge			25,800
Amortization expense and impairment charge			33,700	49,800
Future amortization expense, remainder of fiscal year			12,900	12,900
Future amortization expense, 2016			51,800	51,800
Future amortization expense, 2017			51,900	51,900
Future amortization expense, 2018			51,500	51,500
Future amortization expense, 2019			51,200	51,200
Future amortization expense, 2020			51,100	51,100
Future amortization expense, after Year 2020			496,400	496,400
Intangible assets not subject to amortization			253,620	253,620	712,680
In-process research and development [Member]
Intangible Assets and Goodwill [Line Items]
Intangible assets not subject to amortization			253,620	253,620	650,680
Recothrom option [Member]
Intangible Assets and Goodwill [Line Items]
Intangible assets not subject to amortization			0	$ 0	62,000
Recothrom [Member]
Intangible Assets and Goodwill [Line Items]
Acquisition, consideration		$ 132,400
Inventory		$ 44,000
Annovation [Member]
Intangible Assets and Goodwill [Line Items]
In-process research and development	$ 65,000
Selling rights agreement [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				0 years
Gross Carrying Amount			9,126	$ 9,126	9,125
Accumulated Amortization and Other Charges			(9,126)	(9,126)	(8,961)
Net Carrying Amount			0	$ 0	164
Product licenses [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				15 years 6 months
Gross Carrying Amount			95,500	$ 95,500	71,000
Accumulated Amortization and Other Charges			(71,336)	(71,336)	(65,602)
Net Carrying Amount			24,164	$ 24,164	5,398
Developed product rights [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				15 years 4 months 24 days
Gross Carrying Amount			793,107	$ 793,107	180,930
Accumulated Amortization and Other Charges			(50,458)	(50,458)	(6,513)
Net Carrying Amount			$ 742,649	742,649	$ 174,417
Developed product rights [Member] | United States [Member] | Ionsys [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights				250,000
Developed product rights [Member] | United States [Member] | Raplixa [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights				36,100
Developed product rights [Member] | Europe [Member] | Raplixa [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights				$ 176,000