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Goodwill (Tables)
3 Months Ended
Mar. 31, 2022
Goodwill.  
Schedule of changes in the carrying amount of goodwill

(in millions)

Balance at January 1, 2022

$

2,107.6

Purchase price allocation adjustments

4.5

Foreign currency translation gain

0.9

Balance at March 31, 2022

$

2,113.0