Acquisitions and Divestitures - Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Dec. 14, 2023	May 19, 2023
Business Acquisition [Line Items]
Goodwill	$ 2,803.0	$ 2,838.3
Nexsight
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 10.6
Property, plant and equipment				19.9
Goodwill				52.7
Intangible assets				45.6
Other noncurrent assets				5.4
Total assets acquired				134.2
Current liabilities				(1.2)
Deferred income taxes				(18.3)
Other noncurrent liabilities				(4.9)
Net assets acquired				$ 109.8
STC,LLC
Business Acquisition [Line Items]
Current assets, net of cash acquired			$ 16.9
Property, plant and equipment			12.5
Goodwill			104.5
Intangible assets			92.3
Other noncurrent assets			2.9
Total assets acquired			229.1
Current liabilities			(5.5)
Deferred income taxes			(20.5)
Other noncurrent liabilities			(2.7)
Net assets acquired			$ 200.4
Adjustment to purchase price	$ 1.6