Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following information details the carrying amounts and accumulated amortization of the Company's intangible assets subject to amortization:

	As of March 31, 2015								As of December 31, 2014
	Weighted Average Useful Life	Gross Carrying Amount		Accumulated Amortization and Other Charges			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization and Other Charges			Net Carrying Amount
		(in thousands)
Identifiable intangible assets
Selling rights agreements	0.1 years	$	9,125	$	(9,023	)	$	102	$	9,125	$	(8,961	)	$	164
Product licenses	0.2 years	71,000		(67,162		)	3,838		71,000		(65,602		)	5,398
Developed product rights	13.9 years	333,547		(11,363		)	322,184		180,930		(6,513		)	174,417
Total	14.1 years	$	413,672	$	(87,548	)	$	326,124	$	261,055	$	(81,076	)	$	179,979

Schedule of Indefinite-lived Intangible Assets by Major Class

The following information details the carrying amounts of the Company's intangible assets not subject to amortization:

	As of March 31, 2015					As of December 31, 2014
	Gross Carrying Amount		Adjustments	Net Carrying Amount		Gross Carrying Amount		Adjustments	Net Carrying Amount
	(in thousands)
Intangible assets not subject to amortization:
In-process research and development	$	715,680	—	$	715,680	$	650,680	—	$	650,680
Recothrom option	—		—	—		62,000		—	62,000
Total	$	715,680	—	$	715,680	$	712,680	—	$	712,680

Schedule of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2015:

	March 31, 2015
	(in thousands)
Balance as of December 31, 2014	$	286,532
Goodwill resulting from the acquisition of Annovation	24,530
Translation adjustments	3,008
Balance as of March 31, 2015	$	314,070