Intangible Assets and Goodwill (Details) (USD $)	12 Months Ended					3 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2014		Sep. 30, 2014
Intangible Assets and Goodwill [Line Items]
Intangible Assets, Weighted-Average Useful Life (in years)	12 years 6 months
Gross Carrying Amount	$ 271,536,000		$ 93,136,000			$ 271,536,000
Accumulated Amortization and other charges	(91,557,000)		(39,043,000)			(91,557,000)
Net Carrying Amount	179,979,000		54,093,000			179,979,000
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Payments to Acquire Intangible Assets	15,000,000		0		36,678,000
Intangible Assets, Amortization Expense	52,500,000		28,500,000		4,400,000
Future Amortization Expense, 2015	14,600,000					14,600,000
Future Amortization Expense, 2016	13,200,000					13,200,000
Future Amortization Expense, 2017	13,300,000					13,300,000
Future Amortization Expense, 2018	13,300,000					13,300,000
Future Amortization Expense, 2019	12,900,000					12,900,000
Future Amortization Expense, thereafter	112,600,000					112,600,000
Indefinite-lived Intangible Assets	712,680,000		782,180,000			712,680,000
In Process Research and Development [Member]
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Indefinite-lived Intangible Assets	650,680,000		720,180,000			650,680,000
Recothrom Option [Member]
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Indefinite-lived Intangible Assets	62,000,000		62,000,000			62,000,000
Customer relationships [Member]
Intangible Assets and Goodwill [Line Items]
Gross Carrying Amount	7,457,000	[1]	7,457,000	[1]		7,457,000	[1]
Accumulated Amortization and other charges	(7,457,000)	[1]	(5,631,000)	[1]		(7,457,000)	[1]
Net Carrying Amount	0	[1]	1,826,000	[1]		0	[1]
Selling rights agreements [Member]
Intangible Assets and Goodwill [Line Items]
Intangible Assets, Weighted-Average Useful Life (in years)	1 month 6 days
Gross Carrying Amount	9,125,000	[1]	9,125,000	[1]		9,125,000	[1]
Accumulated Amortization and other charges	(8,961,000)	[1]	(5,870,000)	[1]		(8,961,000)	[1]
Net Carrying Amount	164,000	[1]	3,255,000	[1]		164,000	[1]
Trademarks [Member]
Intangible Assets and Goodwill [Line Items]
Gross Carrying Amount	3,024,000	[1]	3,024,000	[1]		3,024,000	[1]
Accumulated Amortization and other charges	(3,024,000)	[1]	(2,284,000)	[1]		(3,024,000)	[1]
Net Carrying Amount	0	[1]	740,000	[1]		0	[1]
Product License [Member]
Intangible Assets and Goodwill [Line Items]
Intangible Assets, Weighted-Average Useful Life (in years)	6 months
Gross Carrying Amount	71,000,000	[2]	71,530,000	[2]		71,000,000	[2]
Accumulated Amortization and other charges	(65,602,000)	[2]	(25,067,000)	[2]		(65,602,000)	[2]
Net Carrying Amount	5,398,000	[2]	46,463,000	[2]		5,398,000	[2]
Developed Technology Rights [Member]
Intangible Assets and Goodwill [Line Items]
Intangible Assets, Weighted-Average Useful Life (in years)	11 years 10 months 24 days
Gross Carrying Amount	180,930,000	[3]	2,000,000	[3]		180,930,000	[3]
Accumulated Amortization and other charges	(6,513,000)	[3]	(191,000)	[3]		(6,513,000)	[3]
Net Carrying Amount	174,417,000	[3]	1,809,000	[3]		174,417,000	[3]
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite-Lived Intangible Assets, Transfers In						69,500,000
Tenaxis Medical [Member]
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Payments to Acquire Intangible Assets								$ 15,000,000

[1] The Company amortizes intangible assets related to Angiox through the end of its patent life.

[2] The Company amortizes intangible assets related to the product licenses over their expected useful lives.

[3] The Company amortizes intangible assets related to developed product rights over the remaining life of the patents.