Intangible Assets and Goodwill - Reconciliation of Goodwill Balance (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Goodwill [Line Items]
Beginning balance	$ 654,635
Impairment loss	(119,500)
Ending balance	535,135
Healthcare
Goodwill [Line Items]
Beginning balance	334,680
Ending balance	334,680
Nutrition
Goodwill [Line Items]
Beginning balance	319,955
Impairment loss	(119,500)
Ending balance	$ 200,455

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration