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Income Taxes - Summary of Reconciliation Between Expected Tax Expense and Actual Tax Provision (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Amount      
U.S. federal statutory tax rate $ 204.7 $ 187.7 $ 180.1
State and local income taxes, net of federal income tax effect 29.4 [1] 7.2 51.9
Foreign tax effects   15.6 34.6
Effect of cross-border tax laws      
Global Intangible Low-Taxed Income and Subpart F 29.7    
Other (5.4)    
Tax credits      
Research and development tax credits (22.8)    
Foreign tax credits (15.7)    
Nontaxable or nondeductible items      
Stock based compensation (28.6) (19.4) (5.5)
Officers compensation 17.7    
Other (0.2)    
Changes in unrecognized tax benefits (21.7) (6.6) (17.2)
Other adjustments (3.4) (3.2) (0.7)
Effective tax rate $ 176.1 $ 132.0 $ 249.1
Percent      
U.S. federal statutory tax rate 21.00%    
State and local income taxes, net of federal income tax effect [1] 3.00%    
Effect of cross-border tax laws      
Global Intangible Low-Taxed Income and Subpart F 3.00%    
Other (0.60%)    
Tax credits      
Research and development tax credits (2.30%)    
Foreign tax credits (1.60%)    
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract]      
Stock based compensation (2.90%)    
Officers compensation 1.80%    
Other 0.00%    
Changes in unrecognized tax benefits (2.20%)    
Other adjustments (0.30%)    
Effective tax rate 18.10%    
Malta [Member] | Interest expense [Member]      
Amount      
Foreign tax effects $ (11.5)    
Percent      
Foreign tax effects (1.20%)    
Malta [Member] | Other [Member]      
Amount      
Foreign tax effects $ (0.8)    
Percent      
Foreign tax effects (0.10%)    
Other foreign jurisdictions [Member]      
Amount      
Foreign tax effects $ 4.7    
Percent      
Foreign tax effects 0.50%    
[1] State and local taxes in New York, New York City, Illinois, and California for 2025 made up the majority (greater than 50 percent) of the tax effect in this category.