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Fair Value - Schedule of Change in Fair Value for the Equity Investment (Details) - Indicor - Equity Method Investments - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Equity Method Investments        
Beginning balance $ 739.7 $ 731.0 $ 772.3 $ 675.9
Change in fair value 16.3 37.6 (16.3) 92.7
Ending balance $ 756.0 $ 768.6 $ 756.0 $ 768.6