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Goodwill and Other Intangible Assets, Net - Goodwill (Details) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018		$ 283,879,000		$ 283,879,000
Currency translation adjustments				(1,000)
Acquisitions				0
Impairments	$ 0	(16,000,000.0)	$ 0	(15,955,000)	$ 0	$ 0
Dispositions				0
Balances at June 30, 2019	267,923,000			267,923,000		283,879,000
Consumer Health
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018		16,717,000		16,717,000
Currency translation adjustments				0
Acquisitions				0
Impairments				0
Dispositions				0
Balances at June 30, 2019	16,717,000			16,717,000		16,717,000
Prescription Pharmaceuticals
Summary of the Activity in Goodwill by Segment
Balances at December 31, 2018		$ 267,162,000		267,162,000
Currency translation adjustments				(1,000)
Acquisitions				0
Impairments				(15,955,000)
Dispositions				0
Balances at June 30, 2019	$ 251,206,000			$ 251,206,000		$ 267,162,000