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Goodwill
3 Months Ended
Mar. 31, 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 acquired74.8 6.1 80.9 
Purchase price allocation adjustments and other1.9  1.9 
Foreign currency translation adjustments(9.9)(5.4)(15.3)
Balance at March 31, 2021$3,117.1 $1,175.3 $4,292.4