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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Line Items]            
Income tax expense $ 56.3 $ 15.4 $ 90.5 $ 36.2    
Effective income tax rate (as a percent) 24.30% 31.20% 25.10% 51.30%    
Income tax expense (benefits), tax credit, discrete items $ 1.2 $ 1.5 $ 4.2 $ 16.9    
Valuation allowance charges with respect to unrealizable foreign tax credits     2.5      
Valuation allowance, deferred tax asset on marketable securities     1.7      
Income tax expense (benefit) related to taxes on income in prior periods       18.1    
Unrecognized tax benefits 92.5   92.5     $ 98.8
Net unrecognized tax benefits, excluding interest and penalties that would affect the company's net income if recognized 51.9   51.9      
Interest and penalties     0.9 $ 0.7    
Accruals for payment of interest and penalties $ 5.7   $ 5.7      
Scenario Forecast            
Income Tax Disclosure [Line Items]            
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit         $ 1.4