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Goodwill (Tables)
3 Months Ended
Mar. 31, 2013
Goodwill.  
Schedule of changes in the carrying amount of goodwill

 

 

 

 

(in millions)

 

Balance as of December 31, 2012

 

$

1,314.6

 

Effect of foreign currency translation

 

(2.2

)

Balance as of March 31, 2013

 

$

1,312.4