Receivables (Tables)

3 Months Ended

Mar. 31, 2013

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables consist of the following:

Dollar amounts in millions	March 31, 2013			December 31, 2012
Trade receivables	$	129.5		$	76.0
Interest receivables	2.8			0.8
Income tax receivable	0.8			1.8
Other receivables	3.8			5.2
Allowance for doubtful accounts	(1.1		)	(1.1		)
Total	$	135.8		$	82.7