Environmental and Legal Contingencies (Tables)

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Accrual of Liabilities Related to Environmental Loss Contingencies

Liabilities recorded on the Company’s Condensed Consolidated Balance Sheets for such estimated probable costs relating to environmental matters are presented below:

	September 30, 2014		December 31, 2013
Accrued liabilities	$	16.3	$	9.5
Other non-current liabilities	34.3		34.1

Schedule of Information on Pending Asbestos Cases

Information on asbestos cases pending at September 30, 2014 is presented below:

	Asbestos Cases Pending at
	September 30, 2014
Cases with specific dollar claims for damages:
Claims up to $0.2	114
Claims above $0.2 to $5.0	6
Claims above $5.0 to $15.0	2
Claims above $15.0 to $20.0	2
Total claims with specific dollar claims for damages (a)	124
Cases without a specific dollar claim for damages	314
Total asbestos cases pending	438

(a) Involve a total of 2,332 plaintiffs and 16,631 defendants

Schedule of Number of New Asbestos Claims Filed, Number of Pending Asbestos Claims Disposed, And Amount Paid in Settlements

Set forth below is a chart showing the number of new claims filed (accounted for as described above), the number of pending claims disposed of (i.e., settled or otherwise dismissed), and the approximate net amount of dollars paid on behalf of AK Steel in settlement of asbestos-related claims in the three and nine months ended September 30, 2014 and 2013.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
New Claims Filed	16		10		40		34
Pending Claims Disposed Of	10		5		38		30
Total Amount Paid in Settlements	$	0.1	$	—	$	0.6	$	0.9

Schedule Of Percentages To Calculate Cash Deposits On Imports Of NOES From Foreign Countries To US [Table Text Block]

As a result of the preliminary dumping determinations, importers were required to post cash deposits with U.S. Customs and Border Protection on imports of NOES from these six countries (in addition to any deposits required by the preliminary affirmative CVD determinations).

On October 7, 2014, the DOC issued its final dumping determinations as to all six subject countries as follows:

Country	NOES Dumping Margins
China	407.52%
Germany	86.29% — 98.84%
Japan	135.59% — 204.79%
South Korea	6.91%
Sweden	98.46% — 126.72%
Taiwan	28.14% — 52.23%