XML 77 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Receivables (Tables)
 12 Months Ended
Dec. 31, 2012
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables consist of the following:
 
 
December 31,
Dollar amounts in millions
2012
 
2011
Trade receivables
$
76.0

 
$
55.9

Interest receivables
0.8

 
1.2

Other receivables
5.2

 
9.1

Allowance for doubtful accounts
(1.1
)
 
(1.1
)
 
$
80.9

 
$
65.1