v3.25.1
Equity - Changes in Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance $ 2,984.1 $ 2,702.4
Net income 91.4 110.6
Foreign currency translation adjustments 67.1 (50.7)
Pension and other postretirement liability adjustments (net of income tax benefit) (1.6) (1.5)
Change in fair value of derivative financial instruments, net of reclassifications (2.1) 1.1
Dividends (25.1) (24.5)
Stock-based compensation expense 7.5 4.5
Stock purchased at fair market value (23.1)  
Stock option exercise activity 0.3 2.0
Payments related to tax withholding for stock-based compensation (9.5) (8.9)
Ending balance 3,089.0 2,735.0
Pension and other postretirement liability adjustment, tax benefit $ 0.5 $ 0.5
Dividends (in dollars per share) $ 0.34 $ 0.33
Stated Capital    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance $ 40.7 $ 40.7
Ending balance 40.7 40.7
Other Paid-In Capital    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance 1,269.3 1,076.5
Stock-based compensation expense 7.5 4.5
Stock option exercise activity 0.3 2.0
Ending balance 1,277.1 1,083.0
Retained Earnings    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance 2,488.8 2,232.2
Net income 78.3 103.5
Dividends (25.1) (24.5)
Ending balance 2,542.0 2,311.2
Accumulated Other Comprehensive Loss    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (301.7) (146.9)
Foreign currency translation adjustments 66.5 (50.3)
Pension and other postretirement liability adjustments (net of income tax benefit) (1.6) (1.5)
Change in fair value of derivative financial instruments, net of reclassifications (2.1) 1.1
Ending balance (238.9) (197.6)
Treasury Stock    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (670.6) (620.1)
Stock purchased at fair market value (23.1)  
Payments related to tax withholding for stock-based compensation (9.5) (8.9)
Ending balance (703.2) (629.0)
Non controlling Interest    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance 157.6 120.0
Net income 13.1 7.1
Foreign currency translation adjustments 0.6 (0.4)
Ending balance $ 171.3 $ 126.7