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Receivables
9 Months Ended
Sep. 30, 2013
Receivables [Abstract]  
Receivables
RECEIVABLES
Receivables consist of the following:
Dollar amounts in millions
September 30, 2013
 
December 31, 2012
Trade receivables
$
102.1

 
$
76.0

Interest receivables
0.7

 
0.8

Income tax receivable
0.8

 
1.8

Other receivables
6.7

 
5.2

Allowance for doubtful accounts
(1.1
)
 
(1.1
)
Total
$
109.2

 
$
82.7


Other receivables at September 30, 2013 and December 31, 2012 primarily consist of sales tax receivables, receivables from joint ventures, accrued receivables and other items.