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Goodwill (Tables)
 3 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Goodwill

The following table summarizes the goodwill movements in the year:

 

(in millions)

 

2025

 

Opening balance at January 1,

 

$

382.5

 

Exchange effect

 

 

5.9

 

Closing balance at March 31

 

$

388.4