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Goodwill
9 Months Ended
Sep. 30, 2011
Goodwill 
Goodwill

4.  Goodwill

 

The change in the carrying amount of goodwill for the nine months ended September 30, 2011 is as follows (in millions):

 

Balance as of December 31, 2010

 

$

1,109.6

 

Acquisition

 

126.3

 

Purchase price allocation adjustments

 

0.2

 

Effect of foreign currency translation

 

(4.5

)

Balance as of September 30, 2011

 

$

1,231.6

 

 

The Company had no accumulated impairment losses related to goodwill as of September 30, 2011.