XML 76 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Receivables (Tables)
 12 Months Ended
Dec. 31, 2011
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables consist of the following:
 
 
December 31,
Dollar amounts in millions
2011
 
2010
Trade receivables
$
55.9

 
$
56.2

Interest receivables
1.2

 
1.1

Other receivables
9.1

 
10.8

Allowance for doubtful accounts
(1.1
)
 
(1.3
)
 
$
65.1

 
$
66.8