Commitments and Contingencies - Asbestos Divestiture Impacts (Details) - Asbestos Related Matters [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Divestiture of Asbestos [Line Items]
Asbestos provision, net(a)	$ 0.0	$ 0.0	$ 14.4	[1]
Gain on divestiture before income tax	0.0	0.0	(88.8)
Asbestos Related Costs Before Tax	$ 0.0	$ 0.0	$ (74.4)

[1] 2021 includes costs related to the divestiture of InTelCo as well as certain administrative costs such as legal-related costs for insurance asset recoveries.