Acquisitions and Divestitures - Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Feb. 28, 2020	Dec. 31, 2019	Jul. 18, 2019
Business Acquisition [Line Items]
Goodwill	$ 1,831,973		$ 1,779,745
Flow MD
Business Acquisition [Line Items]
Current assets, net of cash acquired		$ 35,494
Property, plant and equipment		4,587
Goodwill		63,374
Intangible assets		49,500
Other noncurrent assets		1,291
Total assets acquired		154,246
Current liabilities		(34,059)
Deferred income taxes		981
Other noncurrent liabilities		(329)
Net assets acquired		$ 120,839
Velcora Holding AB
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 20,414
Property, plant and equipment				1,656
Goodwill				86,447
Intangible assets				48,183
Other noncurrent assets				788
Total assets acquired				157,488
Current liabilities				(7,630)
Long-term borrowings				(51,130)
Deferred income taxes				(11,094)
Other noncurrent liabilities				(454)
Net assets acquired				$ 87,180