v3.26.1
Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest $ 7,600.3 $ 7,161.6 $ 7,600.3 $ 7,161.6 $ 7,426.6 $ 7,623.0 $ 6,962.1 $ 6,895.1
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent 0.0 0.0 0.0 (0.5)        
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent (6.2) 86.4 (18.6) 123.2        
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (63.4) (56.0) (63.4) (56.0) (63.4) (63.4) (56.0) (55.5)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax 0.0 0.0 0.0 (0.5)        
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent 0.0 0.0 0.0 (0.5)        
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (527.7) (468.2) (527.7) (468.2) (521.5) (509.1) (554.6) (591.4)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (6.2) 86.4 (18.6) 123.2        
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent (6.2) 86.4 (18.6) 123.2        
AOCI Attributable to Parent [Member]                
Accumulated Other Comprehensive Income (Loss) [Line Items]                
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest (591.1) (524.2) (591.1) (524.2) $ (584.9) $ (572.5) $ (610.6) $ (646.9)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (6.2) 86.4 (18.6) 122.7        
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ (6.2) $ 86.4 $ (18.6) $ 122.7