Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands			3 Months Ended
	Feb. 28, 2020	Jul. 18, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill			$ 1,831,973		$ 1,779,745
Flow MD
Business Acquisition [Line Items]
Aggregate purchase price, cash paid	$ 120,800
Goodwill	63,374
Intangible assets	49,500
Goodwill tax deductible amount	$ 63,400
Velcora Holding AB
Business Acquisition [Line Items]
Aggregate purchase price, cash paid		$ 87,200
Assumed debt		51,100
Goodwill		86,447
Intangible assets		$ 48,183
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition-related transaction costs			$ 1,100	$ 300