v3.25.1
Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period $ 3,282.7  
Other comprehensive income (loss) before reclassifications 17.5  
Amounts reclassified from accumulated other comprehensive income (loss) 2.0  
Current period other comprehensive income (loss) 19.5 $ (9.3)
End of period 3,272.2  
Cash flow hedge gain (loss)    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period 1.0  
Other comprehensive income (loss) before reclassifications 0.0  
Amounts reclassified from accumulated other comprehensive income (loss) (0.4)  
Current period other comprehensive income (loss) (0.4)  
End of period 0.6  
Unrealized gain (loss) on available-for- sale securities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period (0.3)  
Other comprehensive income (loss) before reclassifications 0.2  
Amounts reclassified from accumulated other comprehensive income (loss) 0.0  
Current period other comprehensive income (loss) 0.2  
End of period (0.1)  
Pension and post retirement benefit plan adjustment    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period (193.4)  
Other comprehensive income (loss) before reclassifications 0.0  
Amounts reclassified from accumulated other comprehensive income (loss) 2.4  
Current period other comprehensive income (loss) 2.4  
End of period (191.0)  
Cumulative translation adjustment    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period (193.8)  
Other comprehensive income (loss) before reclassifications 17.3  
Amounts reclassified from accumulated other comprehensive income (loss) 0.0  
Current period other comprehensive income (loss) 17.3  
End of period (176.5)  
Total    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning of period (386.5) (312.4)
Current period other comprehensive income (loss) 19.5 (9.3)
End of period $ (367.0) $ (321.7)