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Goodwill (Tables)
6 Months Ended
Jun. 30, 2020
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, 2019$2,892.2  $1,155.3  $4,047.5  
Goodwill acquired54.2  —  54.2  
Purchase price allocation adjustments and other75.2  1.1  76.3  
Foreign currency translation adjustments(10.5) (11.9) (22.4) 
Balance at June 30, 2020$3,011.1  $1,144.5  $4,155.6