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Goodwill and Other Intangible Assets (Details 2) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Summary of customer relationships    
Accumulated amortization $ (438.5) $ (417.3)
Carrying value 136.1 135.9
Customer relationships    
Summary of customer relationships    
Gross carrying amount 574.6 553.2
Accumulated amortization (438.5) (417.3)
Carrying value $ 136.1 $ 135.9
Customer relationships | Minimum    
Summary of customer relationships    
Useful lives 5 years  
Customer relationships | Maximum    
Summary of customer relationships    
Useful lives 19 years