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Goodwill (Tables)
9 Months Ended
Sep. 30, 2018
Goodwill.  
Schedule of changes in the carrying amount of goodwill

 

 

 

 

(in millions)

Balance at January 1, 2018

$

1,842.6

Acquisitions

 

12.8

Effect of foreign currency translation

 

(2.1)

Balance at September 30, 2018

$

1,853.3