Selected Quarterly Financial Data (Unaudited) - Goodwill and Other Intangible Assets - Summary of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Balance	$ 285,283	$ 29,831	$ 285,283	$ 29,831	$ 285,283	$ 29,831	$ 285,283	$ 29,831
Goodwill Translation Adjustments	391	606	73	549	(575)	85	(573)	(513)
Acquisitions				171,269		271,249		271,249
Dispositions				(15,284)		(15,284)		(15,284)
Balance	285,674	30,437	285,356	186,365	284,708	285,881	284,710	285,283
Consumer Health [Member]
Goodwill [Line Items]
Balance	16,717	11,863	16,717	11,863	16,717	11,863	16,717	11,863
Acquisitions				4,854		4,854		4,854
Balance	16,717	11,863	16,717	16,717	16,717	16,717	16,717	16,717
Prescription Pharmaceuticals [Member]
Goodwill [Line Items]
Balance	268,566	17,968	268,566	17,968	268,566	17,968	268,566	17,968
Goodwill Translation Adjustments	391	606	73	549	(575)	85	(573)	(513)
Acquisitions				166,415		266,395		266,395
Dispositions				(15,284)		(15,284)		(15,284)
Balance	$ 268,957	$ 18,574	$ 268,639	$ 169,648	$ 267,991	$ 269,164	$ 267,993	$ 268,566