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Goodwill
9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The changes in the carrying amounts of goodwill by segment were as follows:
EIGEMGTotal
(In millions)
Balance at December 31, 2020$3,050.3 $1,174.6 $4,224.9 
Goodwill acquired from 2021 acquisitions976.7 5.9 982.6 
Purchase price allocation adjustments and other1.9  1.9 
Foreign currency translation adjustments(15.9)(12.5)(28.4)
Balance at September 30, 2021$4,013.0 $1,168.0 $5,181.0