Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 392.4	$ 394.4	$ 387.5	$ 386.2
Total other intangible assets, net	507.3	512.0
Total goodwill and other intangible assets, net	$ 899.7	$ 906.4