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Goodwill and Other Intangible Assets - Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]        
Goodwill $ 389.4 $ 386.2 $ 379.7 $ 391.3
Total other intangible assets, net 517.7 524.4    
Total goodwill and other intangible assets, net $ 907.1 $ 910.6