XML 44 R21.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Receivables (Tables)
6 Months Ended
Jun. 30, 2011
Notes to Financial Statements [Abstract]  
Receivables
Receivables consisted of the following (in millions):

   
June 30,
2011
  
December 31,
2010
 
Trade receivables
 $1,194.7  $991.2 
Other receivables
  108.3   78.9 
Allowance for doubtful accounts
  (15.2)  (14.0)
Total receivables
 $1,287.8  $1,056.1