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Goodwill
 6 Months Ended
Jun. 30, 2015
Goodwill.  
Goodwill

 

4.  Goodwill

 

The change in the carrying amount of goodwill is as follows:

 

 

 

(in millions)

 

Balance at January 1, 2015

 

$
1,736.4

 

Acquisition

 
0.3

 

Purchase price allocation adjustment

 
(0.4

)

Effect of foreign currency translation

 
(3.9

)

 

 

 

 

Balance at June 30, 2015

 

$
1,732.4

 

 

 

 

 

 

 

We had no accumulated impairment losses related to goodwill at June 30, 2015.