Goodwill and Intangible Assets - Intangible Asset Remaining Weighted-Average Useful Life (Details)	12 Months Ended
	Dec. 31, 2018
Distribution and license agreements and supply agreements
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted-Average Useful Life (Years)	7 years
Developed product technology, formulations, and product rights
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted-Average Useful Life (Years)	12 years
Customer relationships and distribution networks
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted-Average Useful Life (Years)	16 years
Trademarks, trade names, and brands
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted-Average Useful Life (Years)	17 years
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Remaining Weighted-Average Useful Life (Years)	2 years