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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Income Tax [Line Items]          
Change in net deferred taxes   $ (80.4)      
Valuation allowance, decrease $ 50.8        
Liability for income taxes associated with uncertain tax positions   29.3 $ 26.2 $ 26.6 $ 28.3
Tax benefits associated with potential transfer pricing adjustments   5.1      
Tax benefits associated with state income taxes and other timing adjustments   8.1      
Net amount of unrecognized tax benefit related to uncertain tax positions that would impact, if recognized, effective income tax rate   16.1      
Decrease in unrecognized tax benefits is reasonably possible   3.6      
Interest and penalties expense (benefit) related to income tax matters   0.1 0.3 $ 0.6  
Income tax accrued for payment of interest and penalties   2.9 $ 2.9    
Undistributed earnings   177.2      
Accrued impact for jurisdictions not permanently reinvested   3.3      
U.S. Federal          
Schedule Of Income Tax [Line Items]          
Tax credit carryforwards   46.6      
State          
Schedule Of Income Tax [Line Items]          
Tax credit carryforwards   $ 33.7