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Receivables
3 Months Ended
Mar. 31, 2014
Receivables [Abstract]  
Receivables
Note 4: Receivables
 
Receivables consisted of the following (in millions):

 
 
March 31,
2013
  
December 31,
2013
 
 
 
  
 
Trade receivables
 
$
2,524.8
  
$
2,621.5
 
Other receivables
  
162.2
   
118.5
 
Allowance for doubtful accounts
  
(18.5
)
  
(20.9
)
Total receivables
 
$
2,668.5
  
$
2,719.1