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Contingencies - Schedule of Changes in Liability for Representation and Warrant Obligations and Indemnification Obligations (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Indemnification Obligations Liability [Roll Forward]      
Beginning balance $ 32.9 $ 41.5 $ 49.4
Provision for (reversal of) representation and warranty obligations (1.8) 0.3 0.3
Provision for representation and warranty obligations - New production liability 2.6 1.7 3.0
Charge-offs and other (6.3) (10.6) (11.2)
Ending balance $ 27.4 $ 32.9 $ 41.5