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Goodwill (Tables)
9 Months Ended
Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
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, 2022$4,236.1 $1,136.5 $5,372.6 
Goodwill acquired from 2023 acquisitions57.1 25.5 82.6 
Purchase price allocation adjustments and other25.4  25.4 
Foreign currency translation adjustments(1.6) (1.6)
Balance at September 30, 2023$4,317.0 $1,162.0 $5,479.0