v3.25.2
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 07, 2022
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2023
Income Tax Contingency [Line Items]            
Effective tax rate   0.00% 8.00% 1.70% 6.90%  
Income tax expense (benefit)   $ 0.9 $ 28.2 $ (69.1) $ 71.0  
Income tax (benefit) expense   (415.9) 88.1 (624.9) 257.4  
Unrecognized tax benefits   308.6   308.6    
UTB that would impact effective tax rate   269.5   269.5    
Income tax penalties and interest expense $ 110.0          
Income tax examination, liability (refund) adjustment from settlement with taxing authority           $ 315.0
Income Tax Contingency | Tax Year 2018            
Income Tax Contingency [Line Items]            
Damages sought $ 284.0          
UNITED KINGDOM            
Income Tax Contingency [Line Items]            
Foreign exchange (loss) gains   $ (594.9) $ 49.0 $ (903.1) $ 212.9  
Effective income tax rate reconciliation, foreign currency translation, percent   21.50% 13.90% 21.70% 20.70%  
Effective income tax rate reconciliation, foreign income tax rate differential, amount   $ 259.7   $ 392.3    
Effective income tax rate reconciliation, foreign income tax rate differential, percent   9.40%   9.40%    
Net income from investments     $ 44.2   $ 45.8  
Net income from investments, percent     12.50%   4.40%  
U.K. And Netherlands            
Income Tax Contingency [Line Items]            
Non-deductible net losses from investments   $ 69.5   $ 112.8    
Non-deductible net losses from investments, percent   2.50%   2.70%    
LUXEMBOURG            
Income Tax Contingency [Line Items]            
Valuation allowances       $ 86.0    
Valuation allowances, percent       2.10%    
U.K., Belgium and Netherlands            
Income Tax Contingency [Line Items]            
Valuation allowances     $ 20.8   $ 49.9  
Valuation allowances, percent     5.90%   4.80%