Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Feb. 28, 2020	Jul. 18, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill			$ 1,863,577		$ 1,863,577		$ 1,779,745
Assumed debt					0	$ 51,130
Flow MD
Business Acquisition [Line Items]
Aggregate purchase price, cash paid	$ 118,200
Goodwill	61,739
Goodwill tax deductible amount	61,700
Intangible assets	$ 53,000
Velcora Holding AB
Business Acquisition [Line Items]
Aggregate purchase price, cash paid		$ 87,200
Goodwill		86,613
Intangible assets		48,183
Assumed debt		$ 51,100
Loss on early debt redemption				$ 700
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition-related transaction costs			$ 1,300	600	3,100	1,300
Cost of goods sold
Business Acquisition [Line Items]
Non-cash inventory set-up charge				$ 3,300	$ 4,100	$ 3,300