Receivables (Tables)

3 Months Ended

Mar. 31, 2017

Receivables [Abstract]

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

Receivables consist of the following:

Dollar amounts in millions	March 31, 2017			December 31, 2016
Trade receivables	$	137.4		$	96.1
Income tax receivable	2.2			1.7
Other receivables	10.5			11.5
Allowance for doubtful accounts	(1.0		)	(1.0		)
Total	$	149.1		$	108.3