v3.26.1
Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent $ 26,618.2   $ 28,728.2  
Other comprehensive income (loss), net of tax (22.5) $ 30.7    
Investment Securities [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent (0.1) (0.1) 0.0 $ (0.3)
Other Comprehensive Income (Loss), before Tax (0.1) 0.2    
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0    
Income tax benefit (expense) 0.0 0.0    
Other comprehensive income (loss), net of tax (0.1) 0.2    
Defined Benefit Plans [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent (1.4) (15.0) 0.3 (14.1)
Other Comprehensive Income (Loss), before Tax (2.1) (1.2)    
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0    
Income tax benefit (expense) 0.4 0.3    
Other comprehensive income (loss), net of tax (1.7) (0.9)    
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent 55.4 58.6 56.2 59.3
Other Comprehensive Income (Loss), before Tax 0.0 0.0    
Amounts reclassified from accumulated other comprehensive income (loss) (1.1) (0.9)    
Income tax benefit (expense) 0.3 0.2    
Other comprehensive income (loss), net of tax (0.8) (0.7)    
Accumulated Foreign Currency Adjustment Attributable to Parent        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent 5.5 (118.3) 25.4 (150.4)
Other Comprehensive Income (Loss), before Tax (21.9) 35.6    
Amounts reclassified from accumulated other comprehensive income (loss) 0.0 0.0    
Income tax benefit (expense) 2.0 (3.5)    
Other comprehensive income (loss), net of tax (19.9) 32.1    
Comprehensive Income        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' Equity Attributable to Parent 59.4 (74.8) $ 81.9 $ (105.5)
Other Comprehensive Income (Loss), before Tax (24.1) 34.6    
Amounts reclassified from accumulated other comprehensive income (loss) (1.1) (0.9)    
Income tax benefit (expense) 2.7 (3.0)    
Other comprehensive income (loss), net of tax $ (22.5) $ 30.7