Investments in Affiliates (Tables)

12 Months Ended

Dec. 31, 2014

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments [Table Text Block]

The investees and equity ownership percentages are presented below:

	Equity Ownership %
Combined Metals of Chicago, LLC	40.0%
Delaco Processing, LLC	49.0%
Double Eagle Steel Coating Company (a)	50.0%
Magnetation LLC	49.9%
Rockport Roll Shop LLC	50.0%
Spartan Steel Coating, LLC	48.0%

(a) Double Eagle Steel Coating Company (“DESCCO”) is a joint venture between United States Steel Corporation (“US Steel”) and AK Steel that was acquired as part of the Dearborn acquisition. See Note 10 for information on a dispute with US Steel regarding DESCCO.

Summarized financial statement data for all investees is presented below. The financial results for the acquired joint ventures are only included for the period since the acquisition. The Company is required to report this information for 2014 and 2013 as a result of the comparative results of the investees to the Company. Although not previously required, 2012 amounts have been disclosed for comparison.

	2014		2013		2012
Revenue	$	386.1	$	293.9	$	297.9
Gross profit	93.2		103.7		92.6
Net income	10.8		20.1		40.8

	2014		2013
Current assets	$	211.8	$	279.9
Noncurrent assets	879.1		440.4
Current liabilities	157.1		58.5
Noncurrent liabilities	516.6		397.4

Schedule of Related Party Transactions [Table Text Block]

The following relates to the Company’s transactions with equity investees for the years indicated:

	2014		2013		2012
Sales to equity investees	$	93.4	$	71.6	$	60.4
Purchases from equity investees	67.7		12.5		11.8

The following is the Company’s outstanding receivables and payables with equity investees as of the end of the year indicated:

	2014		2013
Accounts receivable from equity investees	$	2.5	$	4.0
Accounts payable to equity investees	10.9		0.9