Acquisitions and Divestitures - Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Feb. 28, 2020	Dec. 31, 2019	Jul. 18, 2019
Business Acquisition [Line Items]
Goodwill	$ 1,863,577		$ 1,779,745
Adjustments to purchase price	$ 2,700
Flow MD
Business Acquisition [Line Items]
Current assets, net of cash acquired		$ 32,980
Property, plant and equipment		4,230
Goodwill		61,739
Intangible assets		53,000
Other noncurrent assets		1,344
Deferred income taxes		749
Total assets acquired		153,293
Current liabilities		(35,554)
Other noncurrent liabilities		(329)
Net assets acquired		$ 118,159
Velcora Holding AB
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 20,248
Property, plant and equipment				1,656
Goodwill				86,613
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