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Cash, Cash Equivalents and Restricted Cash - Summary of Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Restricted Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 293.7 $ 262.9 $ 212.2  
Restricted cash included in other assets 8.0   7.8  
Total cash, cash equivalents and restricted cash $ 301.7 $ 270.7 $ 220.0 $ 344.0