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Income Taxes - Schedule of Federal Statutory Corporate Tax Rate Reconciles to Our Effective Income Tax Rate (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
U.S. federal income tax expense $ 100.1 $ 96.2 $ 90.2
State income taxes, net of federal tax benefit 11.4 12.1 4.8
Net change in valuation allowance   (3.3) 13.0
Other   12.5 6.5
Foreign earnings differential 17.5 24.9 4.5
Subpart F (net of credits) 13.4    
Other 0.9    
Tax credits (2.6) (24.2) (27.6)
Net change in unrecognized tax benefits (127.9) 12.2 (22.3)
Nontaxable or nondeductible items 7.7    
U.S. tax on foreign earnings   10.8 14.9
Withholding tax   4.4 6.0
Deferred tax adjustments   43.3 0.4
Total income tax provision $ 35.3 $ 188.9 $ 90.4
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
U.S. federal income tax expense 21.00% 21.00% 21.00%
State income taxes, net of federal tax benefit 2.40% 2.60% 1.10%
Net change in valuation allowance   (0.70%) 3.00%
Other   2.70% 1.50%
Foreign earnings taxed at different rates 3.70% 5.40% 1.00%
Subpart F (net of credits) 2.80%    
Other 0.20%    
Tax credits (0.50%) (5.30%) (6.40%)
Net change in unrecognized tax benefits (26.80%) 2.70% (5.20%)
Nontaxable or nondeductible items 1.60%    
U.S. tax on foreign earnings   2.40% 3.50%
Withholding tax   1.00% 1.40%
Deferred tax adjustments   9.40% 0.10%
Income tax provision and rate 7.40% 41.20% 21.00%
Luxembourg      
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
Net change in valuation allowance $ 16.4    
Other $ 0.5    
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Net change in valuation allowance 3.40%    
Other 0.10%    
U.S.      
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
Net change in valuation allowance $ 1.1    
Other $ (3.2)    
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Net change in valuation allowance 0.20%    
Other (0.70%)