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Goodwill (Tables)
6 Months Ended
Jun. 30, 2023
Goodwill.  
Schedule of changes in the carrying amount of goodwill

   

(in millions)

Balance at January 1, 2023

$

2,105.9

Acquisition

1.6

Effect of foreign currency translation

2.3

Balance at June 30, 2023

$

2,109.8