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Other Liabilities Schedule of Changes in Liability for Legal Fees and Settlements (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]      
Beginning balance $ 44.0 $ 38.9 $ 30.7
Accrual for probable losses 6.6 9.4 26.5
Payments (6.9) (5.5) (14.8)
Net increase (decrease) in accrued legal fees (1.5) 1.2 (3.4)
Other 0.0 0.0 0.1
Ending balance $ 42.2 $ 44.0 $ 38.9