Acquisitions and Divestitures - Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Jun. 14, 2021	Mar. 10, 2021	Feb. 28, 2020
Business Acquisition [Line Items]
Goodwill	$ 2,197,084	$ 1,895,574
ABEL
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 18,419
Property, plant and equipment				4,034
Goodwill				59,481
Intangible assets				46,000
Other noncurrent assets				123
Total assets acquired				128,057
Current liabilities				(7,100)
Deferred income taxes				(14,537)
Other noncurrent liabilities				(84)
Net assets acquired				$ 106,336
Airtech
Business Acquisition [Line Items]
Current assets, net of cash acquired			$ 44,152
Property, plant and equipment			4,803
Goodwill			271,268
Intangible assets			201,300
Other noncurrent assets			10,136
Total assets acquired			531,659
Current liabilities			(10,065)
Deferred income taxes			(42,141)
Other noncurrent liabilities			(8,436)
Net assets acquired			$ 471,017
Adjustment to purchase price	$ 1,700
Flow MD
Business Acquisition [Line Items]
Current assets, net of cash acquired					$ 32,858
Property, plant and equipment					4,166
Goodwill					60,026
Intangible assets					53,000
Other noncurrent assets					1,344
Total assets acquired					151,394
Current liabilities					(32,291)
Deferred income taxes					2,459
Other noncurrent liabilities					(329)
Net assets acquired					$ 121,233
Adjustment to purchase price		$ 3,100