Investments in Affiliates (Tables)

6 Months Ended

Jun. 30, 2015

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments [Table Text Block]

Summarized financial statement data for all investees is presented below. The financial results for acquired joint ventures are only included for the period since the acquisition and the financial results for Magnetation are only included through March 31, 2015 since it is unlikely that AK Steel will retain its equity interest as a result of Magnetation’s bankruptcy.

	Three Months Ended				Six Months Ended
	June 30, 2015				June 30, 2015
	2015		2014		2015			2014
Revenue	$	76.4	$	85.3	$	208.0		$	157.7
Gross profit	21.4		23.6		28.3			48.1
Net income (loss)	5.8		5.0		(18.8		)	10.5