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Receivables
9 Months Ended
Sep. 30, 2011
Notes to Financial Statements [Abstract] 
Receivables
Note 4: Receivables
 
Receivables consisted of the following (in millions):

   
September 30,
2011
  
December 31,
2010
 
        
Trade receivables
 $1,263.5  $991.2 
Other receivables
  103.3   78.9 
Net income tax receivable
  43.4    
Allowance for doubtful accounts
  (14.0)  (14.0)
Total receivables
 $1,396.2  $1,056.1