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Goodwill (Tables)
9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amounts of Goodwill by Segment
The changes in the carrying amounts of goodwill by segment were as follows:
EIGEMGTotal
(In millions)
Balance at December 31, 2023$4,365.0 $2,082.6 $6,447.6 
Purchase price allocation adjustments and other25.5 61.2 86.7 
Foreign currency translation adjustments9.4 6.6 16.0 
Balance at September 30, 2024$4,399.9 $2,150.4 $6,550.3