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Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Jun. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Fair Value Disclosures [Abstract]            
Money market funds $ 268.0     $ 268.0   $ 196.5
Investment Income, Dividend $ 2.8   $ 1.4 $ 5.5 $ 1.3  
Impairment of long-lived assets to be disposed of   $ 3.4 $ 0.0   $ 0.0  
Impairment of long-lived asset   $ 2.9