Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 348.6	$ 393.5	$ 399.1	$ 394.4
Total other intangible assets, net	526.1	542.7
Total goodwill and other intangible assets, net	$ 874.7	$ 936.2