Goodwill and Other Intangible Assets, Net - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets
Accumulated Amortization	$ (220,635)		$ (220,635)		$ (195,334)
Gross Amount	950,519		950,519		1,010,675
Gross Impairment			(9,883)		(56,487)
Net Balance	720,000		720,000		758,854
Intangible assets amortization expense	15,504	$ 16,430	30,975	$ 32,948
IPR&D
Indefinite-lived Intangible Assets
Gross Amount	173,757		173,757		187,007
Reclassifications			0		(9,400)
Gross Impairment			(3,415)		(3,850)
Net Balance	170,342		170,342		173,757
Product licensing rights
Finite-Lived Intangible Assets
Gross Amount	745,302		745,302		790,143
Accumulated Amortization	(208,649)		(208,649)		(182,901)
Reclassifications					9,400
Gross Impairment			(6,468)		(52,637)
Net Balance	530,185		$ 530,185		$ 564,005
Wtd Avg Remaining Amortization Period (years)			10 years 1 month 6 days		10 years 6 months
Trademarks
Finite-Lived Intangible Assets
Gross Amount	16,000		$ 16,000		$ 16,000
Accumulated Amortization	(4,874)		(4,874)		(4,244)
Reclassifications			0		0
Gross Impairment			0		0
Net Balance	11,126		$ 11,126		$ 11,756
Wtd Avg Remaining Amortization Period (years)			18 years		18 years
Customer relationships
Finite-Lived Intangible Assets
Gross Amount	4,225		$ 4,225		$ 6,290
Accumulated Amortization	(1,928)		(1,928)		(3,863)
Reclassifications			0		0
Gross Impairment			0		0
Net Balance	2,297		$ 2,297		$ 2,427
Wtd Avg Remaining Amortization Period (years)			8 years 9 months 18 days		9 years 3 months 18 days
Other intangibles
Finite-Lived Intangible Assets
Gross Amount	11,235		$ 11,235		$ 11,235
Accumulated Amortization	(5,184)		(5,184)		(4,326)
Reclassifications			0		0
Gross Impairment			0		0
Net Balance	$ 6,050		$ 6,050		$ 6,909
Wtd Avg Remaining Amortization Period (years)			5 years 10 months 24 days		6 years