Goodwill and Other Intangible Assets, Net - Goodwill (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018	$ 283,879,000
Currency translation adjustments	(1,000)
Acquisitions	0
Impairments	(15,955,000)	$ 0	$ 0
Dispositions	0
Balances at March 31, 2019	267,923,000		283,879,000
Consumer Health
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018	16,717,000
Currency translation adjustments	0
Acquisitions	0
Impairments	0
Dispositions	0
Balances at March 31, 2019	16,717,000		16,717,000
Prescription Pharmaceuticals
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018	267,162,000
Currency translation adjustments	(1,000)
Acquisitions	0
Dispositions	0
Balances at March 31, 2019	$ 251,206,000		$ 267,162,000

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.

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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.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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

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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.

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