Segment Information - Carrying Amount of Goodwill by Segment (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
Acquisitions and other adjustments				171,269		271,249		271,249
Dispositions				(15,284)		(15,284)		(15,284)
Foreign currency translation	391	606	73	549	(575)	85	(573)	(513)
Balance	285,674	30,437	285,356	186,365	284,708	285,881	284,710	285,283
Prescription Pharmaceuticals [Member]
Goodwill [Line Items]
Balance	268,566	17,968	268,566	17,968	268,566	17,968	268,566	17,968
Acquisitions and other adjustments				166,415		266,395		266,395
Dispositions				(15,284)		(15,284)		(15,284)
Foreign currency translation	391	606	73	549	(575)	85	(573)	(513)
Balance	268,957	18,574	268,639	169,648	267,991	269,164	267,993	268,566
Consumer Health [Member]
Goodwill [Line Items]
Balance	16,717	11,863	16,717	11,863	16,717	11,863	16,717	11,863
Acquisitions and other adjustments				4,854		4,854		4,854
Balance	$ 16,717	$ 11,863	$ 16,717	$ 16,717	$ 16,717	$ 16,717	$ 16,717	$ 16,717

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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