Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Feb. 28, 2020	Jul. 18, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill			$ 1,842,730		$ 1,842,730		$ 1,779,745
Flow MD
Business Acquisition [Line Items]
Aggregate purchase price, cash paid	$ 120,800
Goodwill	63,007
Goodwill tax deductible amount	63,000
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
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition-related transaction costs			$ 700	$ 400	$ 1,800	$ 700