Receivables (Tables)

12 Months Ended

Dec. 31, 2015

Receivables [Abstract]

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

Receivables consist of the following:

	December 31,
Dollar amounts in millions	2015			2014
Trade receivables	$	82.6		$	96.1
Interest receivables	0.2			0.2
Income tax receivable	2.0			1.4
Other receivables	12.6			11.7
Allowance for doubtful accounts	(1.0		)	(1.0		)
	$	96.4		$	108.4