Notes Receivable from Asset Sales (Tables)

12 Months Ended

Dec. 31, 2016

Notes Receivable from Asset Sales [Abstract]

Notes receivable from asset sales [Table Text Block]

Dollar amounts in millions	Interest  Rate 2016		December 31,
			2016		2015
Notes receivable (secured), maturing 2018, interest rates fixed	7.3	%	$	22.2	$	22.2
Notes receivable (secured), maturing 2018 (collected in 2016), interest rate variable			—		410.0
Total			22.2		432.2
Current portion			—		—
Long-term portion			$	22.2	$	432.2