Environmental and Legal Contingencies (Tables)

6 Months Ended

Jun. 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:

	June 30, 2014		December 31, 2013
Accrued liabilities	$	9.0	$	9.5
Other non-current liabilities	33.9		34.1

Schedule of Information on Pending Asbestos Cases

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

	Asbestos Cases Pending at
	June 30, 2014
Cases with specific dollar claims for damages:
Claims up to $0.2	116
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)	126
Cases without a specific dollar claim for damages	306
Total asbestos cases pending	432

(a) Involve a total of 2,334 plaintiffs and 16,864 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 six months ended June 30, 2014 and 2013.

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
New Claims Filed	11		13		24		24
Pending Claims Disposed Of	14		5		28		25
Total Amount Paid in Settlements	$	0.2	$	0.2	$	0.5	$	0.9

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

As a result of the preliminary dumping determinations on China, the Czech Republic, Russia, and South Korea, and final dumping determinations on Germany, Japan and Poland, importers are required to post cash deposits with U.S. Customs and Border Protection on imports of GOES from these seven countries (in addition to any deposits required by the preliminary affirmative CVD determinations) as follows:

Country	GOES Dumping Margins
China	159.21%
Czech Republic	10.35% — 11.45%
Germany	133.70% — 241.91%
Japan	93.36% — 172.30%
Poland	78.10% — 99.51%
Russia	68.98% — 119.88%
South Korea	5.34%

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 are 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) 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%