10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2013

OR

¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from [_____________ to _______________].

Commission file number: 001-34741

NORANDA ALUMINUM HOLDING CORPORATION

(Exact Name of Registrant as Specified in Its Charter)

Delaware (State or Other Jurisdiction of Incorporation)	20-8908550 (I.R.S. Employer Identification Number)
801 Crescent Centre Drive, Suite 600 Franklin, Tennessee (Address of Principal Executive Offices)	37067 (Zip Code)
Registrant's Telephone Number, Including Area Code: (615) 771-5700

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

YES xNO ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

YES xNO ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definition of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ¨ Accelerated Filer x Non-accelerated filer (Do not check if a smaller reporting company) ¨ Smaller reporting company ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    YES¨NOx

As of October 25, 2013, there were 68,023,680 shares of Noranda common stock outstanding.

1

NORANDA ALUMINUM HOLDING CORPORATION

TABLE OF CONTENTS

Part I	FINANCIAL INFORMATION	3
Item 1.	Financial Statements	3
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	39
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	54
Item 4.	Controls and Procedures	54
Part II	OTHER INFORMATION	55
Item 1.	Legal Proceedings	55
Item 1A.	Risk Factors	55
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	55
Item 3.	Defaults upon Senior Securities	55
Item 4.	Mine Safety Disclosures	55
Item 5.	Other Information	55
Item 6.	Exhibits	55
SIGNATURES		56

2

Part I.    FINANCIAL INFORMATION

Item 1. Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

CONSOLIDATED BALANCE SHEETS

(in millions, except par value)

(unaudited)

	September 30, 2013		December 31, 2012
	$		$
ASSETS
Current assets:
Cash and cash equivalents	63.9		36.1
Accounts receivable, net	105.7		106.6
Inventories, net	193.7		195.8
Taxes receivable	4.4		2.0
Prepaid expenses	5.5		8.9
Other current assets	14.7		18.9
Total current assets	387.9		368.3
Property, plant and equipment, net	682.4		694.5
Goodwill	137.6		137.6
Other intangible assets, net	56.7		61.2
Other assets	93.4		96.1
Total assets	1,358.0		1,357.7
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	98.0		107.2
Accrued liabilities	69.5		58.8
Derivative liabilities, net	4.5		1.8
Deferred tax liabilities	10.1		16.8
Current portion of long-term debt	4.9		3.3
Total current liabilities	187.0		187.9
Long-term debt, net	644.2		592.4
Long-term derivative liabilities, net	—		0.1
Pension and other post-retirement benefit ("OPEB") liabilities	186.3		187.2
Other long-term liabilities	50.2		52.3
Long-term deferred tax liabilities	168.8		183.5
Common stock subject to redemption (0.2 shares at December 31, 2012)	—		2.0
Shareholders’ equity:
Preferred stock (25.0 shares authorized, $0.01 par value; no shares issued and outstanding at September 30, 2013 and December 31, 2012)	—		—
Common stock (200.0 shares authorized; $0.01 par value; 68.0 shares issued and outstanding at September 30, 2013; 67.7 shares issued and outstanding at December 31, 2012, including 0.2 shares subject to redemption at December 31, 2012)	0.7		0.7
Capital in excess of par value	238.4		233.4
Retained earnings (accumulated deficit)	(20.2	)	17.9
Accumulated other comprehensive loss	(103.4	)	(105.7	)
Total shareholders’ equity	115.5		146.3
Non-controlling interest	6.0		6.0
Total equity	121.5		152.3
Total liabilities and equity	1,358.0		1,357.7

See accompanying notes

3

NORANDA ALUMINUM HOLDING CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

(in millions, except per share information)

(unaudited)

	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
	$			$			$			$
Sales	339.9			336.8			1,030.3			1,062.0
Operating costs and expenses:
Cost of sales	333.3			323.3			973.1			959.4
Selling, general and administrative expenses	23.7			24.3			69.8			64.8
Total operating costs and expenses	357.0			347.6			1,042.9			1,024.2
Operating income (loss)	(17.1		)	(10.8		)	(12.6		)	37.8
Other (income) expense:
Interest expense, net	12.6			8.9			34.9			24.2
(Gain) loss on hedging activities, net	2.4			(25.4		)	—			(62.5		)
Debt refinancing expense	—			—			2.5			8.1
Total other (income) expense, net	15.0			(16.5		)	37.4			(30.2		)
Income (loss) before income taxes	(32.1		)	5.7			(50.0		)	68.0
Income tax expense (benefit)	(13.9		)	1.9			(20.1		)	22.7
Net income (loss)	(18.2		)	3.8			(29.9		)	45.3
Net income (loss) per common share:
Basic	$	(0.27	)	$	0.06		$	(0.44	)	$	0.67
Diluted	$	(0.27	)	$	0.05		$	(0.44	)	$	0.66
Weighted-average common shares outstanding:
Basic	68.01			67.68			67.90			67.49
Diluted	68.01			69.12			67.90			69.10
Cash dividends declared per common share	$	0.04		$	0.04		$	0.12		$	1.37

See accompanying notes

4

NORANDA ALUMINUM HOLDING CORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(in millions)

(unaudited)

	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Net income (loss)	(18.2	)	3.8		(29.9	)	45.3
Other comprehensive income (loss):
Unrealized pension loss	—		(16.7	)	—		(16.7	)
Reclassification of pension and OPEB amounts realized in net income (loss)	3.5		2.9		10.4		8.6
Unrealized loss on derivatives	—		(0.1	)	—		(3.5	)
Reclassification of derivative amounts realized in net income (loss)	—		(25.3	)	(6.4	)	(64.3	)
Total other comprehensive income (loss), before tax	3.5		(39.2	)	4.0		(75.9	)
Income taxes related to components of other comprehensive income (loss)	(1.3	)	14.3		(1.7	)	27.6
Total other comprehensive income (loss), net of tax	2.2		(24.9	)	2.3		(48.3	)
Total comprehensive loss	(16.0	)	(21.1	)	(27.6	)	(3.0	)

See accompanying notes

5

NORANDA ALUMINUM HOLDING CORPORATION

CONSOLIDATED STATEMENTS OF EQUITY

(in millions)

(unaudited)

	Preferred stock	Common stock	Capital in excess of par value		Retained earnings (accumulated deficit)		Accumulated other comprehensive loss		Non-controlling interest	Total equity
	$	$	$		$		$		$	$
Balance, December 31, 2011	—	0.7	231.9		63.4		(42.4	)	6.0	259.6
Net income	—	—	—		49.5		—		—	49.5
Other comprehensive loss	—	—	—		—		(63.3	)	—	(63.3	)
Issuance of common shares for share-based payment arrangements, net of shares tendered for taxes	—	—	0.2		—		—		—	0.2
Stock compensation expense related to equity-based awards	—	—	4.6		—		—		—	4.6
Excess taxes related to share-based payment arrangements	—	—	(0.1	)	—		—		—	(0.1	)
Vesting of awards, share-based plans	—	—	(0.1	)	0.1		—		—	—
Dividends to shareholders @ $1.41 per share	—	—	—		(95.1	)	—		—	(95.1	)
Distribution to share-based award holders @ $1.25 per share	—	—	(3.1	)	—		—		—	(3.1	)
Balance, December 31, 2012	—	0.7	233.4		17.9		(105.7	)	6.0	152.3
Net loss	—	—	—		(29.9	)	—		—	(29.9	)
Other comprehensive income	—	—	—		—		2.3		—	2.3
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	—	—	(0.1	)	—		—		—	(0.1	)
Stock compensation expense related to equity-based awards	—	—	3.4		—		—		—	3.4
Excess taxes related to share-based payment arrangements	—	—	(0.4	)	—		—		—	(0.4	)
Vesting of awards, share-based plans	—	—	0.1		—		—		—	0.1
Reclassified common shares	—	—	2.0		—		—		—	2.0
Dividends to shareholders @ $0.12 per share	—	—	—		(8.2	)	—		—	(8.2	)
Balance, September 30, 2013	—	0.7	238.4		(20.2	)	(103.4	)	6.0	121.5

See accompanying notes

6

NORANDA ALUMINUM HOLDING CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in millions)

(unaudited)

	Nine months ended September 30,
	2013		2012
	$		$
OPERATING ACTIVITIES
Net income (loss)	(29.9	)	45.3
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	70.9		70.2
Non-cash interest expense	2.0		2.1
Last in, first out and lower of cost or market inventory adjustments	1.1		(14.3	)
(Gain) loss on disposal of assets	2.2		(1.4	)
Gain on hedging activities, excluding cash settlements	(5.7	)	(99.6	)
Debt refinancing expense	2.5		8.1
Deferred income taxes	(23.1	)	2.1
Share-based compensation expense	3.4		3.9
Changes in other assets	(2.5	)	(6.0	)
Changes in pension, other post-retirement and other long-term liabilities	7.8		(1.3	)
Changes in current operating assets and liabilities:
Accounts receivable, net	0.8		(15.2	)
Inventories, net	1.3		(3.5	)
Taxes receivable and taxes payable	(2.8	)	(11.1	)
Other current assets	9.7		24.6
Accounts payable	(7.6	)	10.3
Accrued liabilities	10.7		(28.0	)
Cash provided by (used in) operating activities	40.8		(13.8	)
INVESTING ACTIVITIES
Capital expenditures	(55.7	)	(59.8	)
Proceeds from sale of property, plant and equipment	0.9		4.8
Cash used in investing activities	(54.8	)	(55.0	)
FINANCING ACTIVITIES
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	(0.1	)	0.1
Dividends paid to shareholders	(8.2	)	(92.2	)
Distributions paid to share-based award holders	—		(3.1	)
Repayments of long-term debt	(278.8	)	(154.8	)
Borrowings on long-term debt, net	331.8		322.6
Payments of financing costs	(2.9	)	(12.6	)
Cash provided by financing activities	41.8		60.0
Change in cash and cash equivalents	27.8		(8.8	)
Cash and cash equivalents, beginning of period	36.1		42.7
Cash and cash equivalents, end of period	63.9		33.9

See accompanying notes

7

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

1.ACCOUNTING POLICIES

Organization, Consolidation and Basis of Presentation

The accompanying unaudited consolidated financial statements represent the consolidation of Noranda Aluminum Holding Corporation and all companies that we directly or indirectly control ("Noranda," "the Company," "we," "us," and "our"). "Noranda HoldCo" refers only to Noranda Aluminum Holding Corporation, excluding its subsidiaries. "Noranda AcquisitionCo" refers only to Noranda Aluminum Acquisition Corporation, the wholly-owned direct subsidiary of Noranda HoldCo, excluding its subsidiaries.

These unaudited consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("U.S. GAAP") for interim financial information. The consolidated financial statements, including these condensed notes, are unaudited and exclude some of the disclosures required in annual consolidated financial statements. Consolidated balance sheet data as of December 31, 2012 was derived from our audited consolidated financial statements. In management's opinion, these unaudited consolidated financial statements include all adjustments (including normal recurring accruals) that are considered necessary for the fair presentation of our financial position and operating results. All intercompany transactions and accounts have been eliminated in consolidation. Certain reclassifications have been made to previously issued unaudited consolidated financial statements to conform to the current period presentation. These reclassifications had no impact on net income or net cash flows.

The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. For example, our interim operating results are affected by peak power usage rates from June through September each year which affect our operating costs at the New Madrid smelter. We are also subject to seasonality associated with the demand cycles of our end-use customers, which results in lower shipment levels from November to February relative to other periods during the year.

These unaudited consolidated financial statements should be read in conjunction with our audited consolidated financial statements included in our Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission ("SEC") on February 28, 2013.

2.SEGMENTS

We manage and operate our business segments based on the markets we serve and the products we produce.

Segment profit (in which certain items, primarily non-recurring costs or non-cash expenses, are not allocated to the segments and in which certain items, primarily the income statement effects of current period cash settlements of hedges, are allocated to the segments) is a measure used by management as a basis for resource allocation.

Our five reportable segments are Bauxite, Alumina, Primary Aluminum, Flat-Rolled Products and Corporate.

• Bauxite – Our bauxite mining operation in St. Ann, Jamaica ("St. Ann") mines and produces the bauxite used for alumina production at our alumina refinery. St. Ann sells the remaining bauxite to a third party.

• Alumina – Our alumina refinery in Gramercy, Louisiana ("Gramercy") chemically refines and converts bauxite into alumina, which is the principal raw material used in the production of primary aluminum. The Gramercy refinery is the source for the majority of our aluminum smelter’s alumina requirements. Gramercy sells the remaining alumina production in the form of smelter grade alumina and alumina hydrate, or chemical-grade alumina, to third parties.

• Primary Aluminum – Our aluminum smelter in New Madrid, Missouri ("New Madrid") produces value-added aluminum products in several forms, including billet, rod, high purity sow and foundry. The Primary Aluminum segment also produces commodity grade sow.

• Flat-Rolled Products – Our rolling mills produce rolled aluminum products such as finstock and container stock.

• Corporate – Our corporate segment reflects the cost of corporate operations.

The accounting policies of the segments are the same as those described in Note 1, "Accounting Policies".

8

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

The following tables present operating and asset information for our reportable segments (in millions):

	Three months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	11.1		49.5		133.4		145.9		—		—		339.9
Intersegment	19.8		35.7		19.6		—		—		(75.1	)	—
Total sales	30.9		85.2		153.0		145.9		—		(75.1	)	339.9
Capital expenditures	1.5		4.2		7.5		2.5		0.5		—		16.2
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	2.3		3.9		(1.1	)	13.6		(7.5	)	(0.2	)	11.0
Depreciation and amortization	(2.9	)	(6.0	)	(10.2	)	(5.1	)	(0.1	)	—		(24.3	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.3		(1.1	)	—		(0.1	)	1.1
Loss on disposal of assets	(0.1	)	—		—		(1.5	)	—		—		(1.6	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.8	)	(1.5	)	(1.6	)	—		(5.1	)
Relocation and severance	—		—		0.1		—		(0.9	)	—		(0.8	)
Cash settlements on hedging transactions	—		—		0.6		2.3		—		—		2.9
Other, net	0.1		(0.1	)	—		0.1		(0.5	)	0.1		(0.3	)
Operating income (loss)	(0.6	)	(2.4	)	(10.1	)	6.8		(10.6	)	(0.2	)	(17.1	)
Interest expense, net													12.6
Loss on hedging activities, net													2.4
Total other expense, net													15.0
Loss before income taxes													(32.1	)

9

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	Three months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	13.6		48.6		129.1		145.5		—		—		336.8
Intersegment	20.0		32.0		18.1		—		—		(70.1	)	—
Total sales	33.6		80.6		147.2		145.5		—		(70.1	)	336.8
Capital expenditures	2.6		4.6		7.1		2.7		0.9		—		17.9
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	0.3		1.8		3.1		12.0		(7.3	)	0.2		10.1
Depreciation and amortization	(2.1	)	(5.8	)	(11.0	)	(4.4	)	(0.3	)	—		(23.6	)
Last in, first out and lower of cost or market inventory adjustments	—		—		3.0		6.8		—		0.2		10.0
Gain (loss) on disposal of assets	0.2		—		(1.4	)	—		—		—		(1.2	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.4	)	(1.3	)	(1.1	)	—		(4.0	)
Consulting fees	—		—		—		—		(0.2	)	—		(0.2	)
Relocation and severance	—		—		0.1		(0.1	)	(0.1	)	—		(0.1	)
Cash settlements on hedging transactions	—		—		0.2		2.3		—		—		2.5
Other, net (1)	—		—		(3.6	)	(0.1	)	—		(0.6	)	(4.3	)
Operating income (loss)	(1.6	)	(4.2	)	(11.0	)	15.2		(9.0	)	(0.2	)	(10.8	)
Interest expense, net													8.9
Gain on hedging activities, net													(25.4	)
Total other income, net													(16.5	)
Income before income taxes													5.7

⁽¹⁾  "Other, net" in the table above includes $3.5 million of contingency costs to assemble a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter during third quarter 2012.

10

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	Nine months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	33.8		142.9		408.6		445.0		—		—		1,030.3
Intersegment	62.7		115.5		62.2		—		—		(240.4	)	—
Total sales	96.5		258.4		470.8		445.0		—		(240.4	)	1,030.3
Capital expenditures	8.7		13.1		23.2		8.7		2.0		—		55.7
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	7.2		10.8		37.0		41.6		(24.3	)	—		72.3
Depreciation and amortization	(7.9	)	(16.6	)	(31.4	)	(14.4	)	(0.6	)	—		(70.9	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.7		(3.4	)	—		(0.4	)	(1.1	)
Gain (loss) on disposal of assets	(0.1	)	0.5		0.1		(2.7	)	—		—		(2.2	)
Non-cash pension, accretion and stock compensation	0.1		(0.7	)	(5.3	)	(4.4	)	(4.4	)	—		(14.7	)
Relocation and severance	—		(0.2	)	(0.3	)	(0.1	)	(1.3	)	—		(1.9	)
Consulting fees	—		—		—		—		(0.4	)	—		(0.4	)
Cash settlements on hedging transactions	—		—		1.3		5.3		—		—		6.6
Other, net	—		(0.3	)	—				(0.4	)	0.4		(0.3	)
Operating income (loss)	(0.7	)	(6.5	)	4.1		21.9		(31.4	)	—		(12.6	)
Interest expense, net													34.9
Gain on hedging activities, net													—
Debt refinancing expense													2.5
Total other income, net													37.4
Loss before income taxes													(50.0	)

11

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	Nine months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	37.3		162.1		413.1		449.5		—		—		1,062.0
Intersegment	61.8		106.2		58.2		—		—		(226.2	)	—
Total sales	99.1		268.3		471.3		449.5		—		(226.2	)	1,062.0
Capital expenditures	6.6		12.8		27.8		10.4		2.2		—		59.8
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	3.9		29.2		51.9		41.1		(22.3	)	—		103.8
Depreciation and amortization	(6.3	)	(16.3	)	(32.9	)	(13.7	)	(1.0	)	—		(70.2	)
Last in, first out and lower of cost or market inventory adjustments	—		—		7.4		7.2		—		(0.3	)	14.3
Gain (loss) on disposal of assets	0.2		—		(3.0	)	4.2		—		—		1.4
Non-cash pension, accretion and stock compensation	(0.1	)	(0.6	)	(4.1	)	(3.7	)	(4.6	)	—		(13.1	)
Relocation and severance	—		—		(0.1	)	(0.2	)	(0.2	)	—		(0.5	)
Consulting fees	—		—		—		—		(0.7	)	—		(0.7	)
Cash settlements on hedging transactions	—		—		0.7		6.3		—		—		7.0
Other, net (1)	—		(0.4	)	(3.5	)	—		(0.2	)	(0.1	)	(4.2	)
Operating income (loss)	(2.3	)	11.9		16.4		41.2		(29.0	)	(0.4	)	37.8
Interest expense, net													24.2
Gain on hedging activities, net													(62.5	)
Debt refinancing expense													8.1
Total other income, net													(30.2	)
Income before income taxes													68.0

⁽¹⁾  "Other, net" in the table above includes $3.5 million of contingency costs to assemble a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter during third quarter 2012.

	September 30, 2013		December 31, 2012
Segment assets:	$		$
Bauxite	149.8		154.3
Alumina	230.6		238.0
Primary Aluminum	526.3		534.2
Flat-Rolled Products	353.8		374.2
Corporate	116.8		84.0
Eliminations	(19.3	)	(27.0	)
Total assets	1,358.0		1,357.7

12

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

3.SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION

Consolidated statements of cash flows:

Depreciation and amortization in the accompanying unaudited consolidated statements of cash flows included the following (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Depreciation of property, plant and equipment	22.2	20.9	63.5	62.0
Amortization of intangible assets	1.4	1.5	4.4	4.5
Amortization of other long-term assets	0.7	1.2	3.0	3.7
Total depreciation and amortization	24.3	23.6	70.9	70.2

Cash paid for interest and income taxes was as follows (in millions):

	Nine months ended September 30,
	2013	2012
	$	$
Interest paid	24.6	19.9
U.S. Federal and state income taxes paid, net of refunds received	6.1	32.5

Purchases of property, plant and equipment accrued in accounts payable and not yet paid were $2.2 million and $8.3 million for the nine months ended September 30, 2013 and 2012, respectively, and were not reflected as capital expenditures in the unaudited consolidated statements of cash flows. For thenine months ended September 30, 2013and2012, we capitalized interestof $1.2 million and $0.8 million, respectively, related to long-term capital projects.

Consolidated statements of equity:

Changes in accumulated other comprehensive income (loss) ("AOCI") were as follows (in millions):

	Unrealized net actuarial gain (loss), prior service cost and other related to pension and OPEB		Accumulated tax benefit (expense) related to unrealized net actuarial gain/loss, prior service cost and other related to pension and OPEB		Unrealized gain (loss) on derivatives		Accumulated tax benefit (expense) related to unrealized gain or loss on derivatives		Total, net of tax
	$		$		$		$		$
Balance, December 31, 2011	(163.8	)	61.2		94.1		(33.9	)	(42.4	)
Amounts recorded to AOCI for the period	(24.3	)	9.6		(3.5	)	1.3		(16.9	)
Reclassification of amounts realized in net income (loss)	11.9		(4.7	)	(84.2	)	30.6		(46.4	)
Balance, December 31, 2012	(176.2	)	66.1		6.4		(2.0	)	(105.7	)
Reclassification of amounts realized in net income (loss)	10.4		(3.7	)	(6.4	)	2.0		2.3
Balance, September 30, 2013	(165.8	)	62.4		—		—		(103.4	)

13

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Reclassifications out of AOCI were included in the unaudited consolidated statements of operations as follows (in millions):

Details about accumulated other comprehensive income (loss) components	Amount reclassified from accumulated other comprehensive income (loss)								Affected line item in the unaudited consolidated statements of operations
	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Selling, general and administrative expenses ("SGA")
Actuarial gain/loss	0.7		0.6		2.1		1.8		(1)
Prior service costs	0.1		—		0.2		0.1		(1)
Total pension amounts reclassified into SGA	0.8		0.6		2.3		1.9		Selling, general and administrative expenses
Cost of sales ("COS")
Actuarial gain/loss	2.5		2.2		7.5		6.5		(1)
Prior service costs	0.2		0.1		0.6		0.2		(1)
Total pension amounts reclassified into COS	2.7		2.3		8.1		6.7		Cost of sales
Reclassification of pension and OPEB amounts realized in net income	3.5		2.9		10.4		8.6
Income taxes related to reclassifications of pension and OPEB amounts	(1.3	)	(1.1	)	(3.7	)	(3.2	)	Income tax expense (benefit)
Reclassification of pension and OPEB amounts realized in net income, net of tax	2.2		1.8		6.7		5.4		Net income (loss)
Reclassification of derivative amounts realized in net income	—		(25.3	)	(6.4	)	(64.3	)	(Gain) loss on hedging activities, net
Income taxes related to reclassifications of derivative amounts	—		9.2		2.0		23.4		Income tax expense (benefit)
Reclassification of derivative amounts realized in net income, net of tax	—		(16.1	)	(4.4	)	(40.9	)	Net income (loss)

⁽¹⁾  These accumulated other comprehensive income components are included in the computation of net periodic pension cost shown in Note 10, "Pensions and Other Post-Retirement Benefits."

Consolidated balance sheets:

Cash and cash equivalents consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Cash	33.9	26.1
Money market funds	30.0	10.0
Total cash and cash equivalents	63.9	36.1

14

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Accounts receivable, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Trade	105.9		106.8
Allowance for doubtful accounts	(0.2	)	(0.2	)
Total accounts receivable, net	105.7		106.6

Other current assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Current foreign deferred tax asset	2.6	2.6
Employee loans receivable, net	2.1	2.0
Current derivative assets (see Note 11, "Derivative Financial Instruments")	4.4	2.6
Other current assets	5.6	11.7
Total other current assets	14.7	18.9

Other assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Deferred financing costs, net of amortization	8.2	9.3
Cash surrender value of life insurance	26.8	26.3
Pension asset	10.2	9.7
Restricted cash (see Note 9, "Asset Retirement and Other Obligations")	12.7	12.8
Supplies	10.0	13.0
Prepaid Jamaican income taxes	12.7	12.7
Derivative asset	0.2	0.1
Other	12.6	12.2
Total other assets	93.4	96.1

Accrued liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Compensation and benefits	21.3	17.4
Workers’ compensation	5.3	5.7
Other operating expenses	16.1	15.6
Accrued interest	11.3	2.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	2.2	2.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	4.3	4.9
Reclamation obligation (see Note 9, "Asset Retirement and Other Obligations")	0.7	2.5
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.8	2.0
Obligations to the Government of Jamaica	5.6	5.3
Pension and OPEB liabilities (see Note 10, "Pensions and Other Post-Retirement Benefits")	0.9	0.9
Restricted stock unit ("RSU") liability awards (see Note 13, "Share-Based Payments")	—	0.1
Total accrued liabilities	69.5	58.8

15

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Other long-term liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Reserve for uncertain tax positions	0.6	0.8
Workers’ compensation	15.5	15.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	14.0	13.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	7.9	9.2
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.1	1.2
Deferred compensation and other	11.1	12.7
Total other long-term liabilities	50.2	52.3

4.FAIR VALUE MEASUREMENTS

The tables below set forth by level the fair value hierarchy of our assets and liabilities that were measured at fair value on a recurring basis (in millions):

	September 30, 2013
	Level 1	Level 2		Level 3		Total
	$	$		$		$
Cash equivalents	30.0	—		—		30.0
Derivative assets	—	4.6		—		4.6
Derivative liabilities	—	(3.6	)	(0.9	)	(4.5	)
Total	30.0	1.0		(0.9	)	30.1

	December 31, 2012
	Level 1		Level 2		Level 3	Total
	$		$		$	$
Cash equivalents	10.0		—		—	10.0
Derivative assets	—		3.1		1.1	4.2
Derivative liabilities	—		(3.4	)	—	(3.4	)
RSU liability awards	(0.1	)	—		—	(0.1	)
Total	9.9		(0.3	)	1.1	10.7

Changes in the fair value of the variable-price Midwest Premium contracts classified as Level 3 included in gain on hedging activities, net in the unaudited consolidated statement of operations for the nine months ended September 30, 2013 were as follows:

	Nine months ended September 30, 2013
	$
Fair value, beginning of year	1.1
New contracts entered into during the period	0.8
Changes in fair value	(1.9	)
Settlements	(0.9	)
Fair value, end of year	(0.9	)

Cash equivalents as of September 30, 2013 and December 31, 2012 related to temporary cash investments with high credit quality financial institutions, which included money market funds invested in U.S. treasury securities, short-term treasury bills and commercial paper. These instruments were valued based upon unadjusted, quoted prices in active markets and were classified within Level 1.

We discuss our derivative instruments in Note 11, "Derivative Financial Instruments." Fair values of all derivative instruments classified as Level 2 were primarily measured using industry standard models that incorporated inputs including quoted forward prices for commodities, interest rate curves, and current market prices for those assets and liabilities. Substantially all of the inputs are observable throughout the full term of the instrument. Our variable-price Midwest premium contracts were classified as Level 3 and were primarily measured using contract prices and management's estimate of future U.S. Midwest premium prices, based on recent market prices.

In Note 13 "Share-Based Payments," we discuss RSU liability awards. The fair value of this Level 1 liability was determined based on the closing market price of our common stock at each balance sheet date.

In Note 8, "Long-Term Debt" we disclose the fair values of our debt instruments. The fair value of our AcquisitionCo Notes was based on recent transactions involving the bonds and was classified as Level 2 within the hierarchy. While the AcquisitionCo Notes have quoted prices used to determine fair value, we do not believe transactions of those instruments occur in sufficient frequency or volume for a Level 1 classification. The fair values of the Term B Loan and revolver were based on interest rates available at each balance sheet date. These instruments were also classified as Level 2.

We made no transfers between fair value hierarchy levels during third quarter 2013.

5.INVENTORIES

Inventories are stated at the lower of cost or market ("LCM"). We use the last-in, first-out ("LIFO") method of valuing raw materials, work-in-process and finished goods inventories at our New Madrid smelter and our rolling mills. Supplies inventories at our rolling mills are valued at FIFO. Inventories at Gramercy and St. Ann, Jamaica ("St. Ann") and supplies at New Madrid are valued at weighted-average cost and are not subject to the LIFO adjustment. Gramercy and St. Ann inventories comprise approximately 28% and 25% of total inventories, at cost, at September 30, 2013 and December 31, 2012, respectively.

Inventories, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Raw materials, at cost	70.8		63.5
Work-in-process, at cost	56.0		58.9
Finished goods, at cost	19.6		29.5
Total inventories, at cost	146.4		151.9
LIFO adjustment	23.1		15.7
LCM reserve	(16.9	)	(7.1	)
Inventories, at lower of cost or market	152.6		160.5
Supplies	41.1		35.3
Total inventories, net	193.7		195.8

6.PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment, net, consisted of the following (in millions):

	Estimated useful lives in years			September 30, 2013		December 31, 2012
				$		$
Land				51.1		50.4
Buildings and improvements	10	—	47	161.6		151.0
Machinery and equipment	3	—	50	893.4		876.9
Construction in progress				48.4		48.2
Property, plant and equipment, at cost				1,154.5		1,126.5
Accumulated depreciation				(472.1	)	(432.0	)
Total property, plant and equipment, net				682.4		694.5

16

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

7. COMMITMENTS AND CONTINGENCIES

Labor Commitments

We are a party to seven collective bargaining agreements with five different unions. Our collective bargaining agreements are with the following unions:

In the US: the United Steelworkers of America ("USWA"); the International Association of Machinists and Aerospace Workers ("IAMAW").

At St. Ann, Jamaica: the University and Allied Workers Union ("UAWU"); the Union of Technical, Administrative and Supervisory Personnel ("UTASP"); and the Bustamante Industrial Trade Union ("BITU").

• An agreement at St. Ann with the UTASP representing supervisory and technical salaried workers will expire in December 2013.

• The agreement at St. Ann with the BITU expired in December 2012. This contract covered a small portion of our St. Ann workforce. We are expecting to receive a claim for a new contract in fourth quarter 2013.

• An agreement at St. Ann with the UAWU, covering operators, expired in April 2013. We received a claim for a new contract in June 2013 and commenced negotiations in August 2013.

• The agreement at Gramercy with the USWA will expire in September 2015.

• An agreement at New Madrid with the USWA will expire in August 2017.

• An agreement at our Salisbury rolling mill with the USWA will expire in November 2016.

• The agreement in place with the IAMAW at our Newport rolling mill extends through May 2014.

Legal Contingencies

We are a party to legal proceedings incidental to our business. We assess the likelihood of an unfavorable outcome of each legal proceeding based upon the available facts and our historical experience with similar matters. We do not accrue a liability when we assess the likelihood of an unfavorable outcome to be remote. Where the risk of loss is probable and the costs can be reasonably estimated, we accrue a liability based on the factors mentioned above. Where the risk of loss is considered reasonably possible, we estimate the range of reasonably possible losses and disclose any reasonably possible losses, if material. We update our loss assessment as matters progress over time. Based on current knowledge, we do not believe any reasonably possible losses in excess of our accruals would be material to our unaudited consolidated financial statements.

Environmental Matters

We cannot predict what environmental laws or regulations will be enacted or amended in the future, how existing or future laws or regulations will be interpreted or enforced or the amount of future expenditures that may be required to comply with such laws or regulations. Such future requirements may result in liabilities which may have a material adverse effect on our financial condition, results of operations or cash flows.

The Environmental Protection Agency ("EPA") has developed National Ambient Air Quality Standards ("NAAQS") for six compounds currently identified as criteria pollutants. The NAAQS establishes acceptable ambient air levels of each pollutant based on a review of their effects to human health and the environment. Sulfur dioxide ("SO₂"), an emission from our New Madrid smelter facility, is one such criteria pollutant. To determine our smelter's compliance with NAAQS, we measure emissions using currently acceptable methods.

In 2010, the EPA issued regulations that increased the stringency of the SO₂ NAAQS. Federal and state regulators are in the process of developing measurement methods and time lines that will govern the implementation of those regulations. Once finalized, these implementation requirements may present material implications for our smelter's compliance with NAAQS. Failure to meet NAAQS requirements may require us to incur material capital and operational costs to bring our smelter into compliance and could have negative implications for permits necessary to support increases in production volumes at our smelter.

Power Contract

Electricity is our largest cash cost component in the production of primary aluminum and is a key factor to our long-term competitive position in the primary aluminum business. We have a long-term power purchase agreement with Ameren pursuant to which we have agreed to purchase substantially all of New Madrid’s electricity. Included in the contract is a minimum purchase requirement equal to five mega watts, calculated at peak and non-peak demand charges, or approximately $3.3 million over the remaining life of the contract. This minimum purchase requirement represents significantly less power usage than we require, given the power-intensive nature of our smelter facility. Our current rate structure with Ameren consists of two components: a base rate and a fuel adjustment clause.

17

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Purchase Commitment

In July 2012, we announced a project to invest $45 million to build a new rod mill at our facility in New Madrid, Missouri, the scope of which includes infrastructure development and construction of a new, state-of-the-art mill to produce redraw rod. In April 2013, we entered into a financing arrangement with a third party to finance the off-site construction of the rod production line, which comprises certain machinery, equipment and other components. Pursuant to the terms of the third party arrangement, upon delivery of the production line to our facility, we will repay the third party for amounts paid to the construction company throughout the construction phase, plus interest and fees, and assume any remaining payments. We anticipate delivery of the rod production line in September 2014. Total payments related to the construction of the rod production line are expected to be approximately €11.5 million in the aggregate, however the amount and timing of the payments are subject to variability due to the progression of the construction.

Workforce Reduction

On October 30, 2013, we announced a workforce reduction at our Salisbury, North Carolina Flat-Rolled Products facility. The announcement was made pursuant to the federal Worker Adjustment and Retraining Notification Act (WARN). The restructuring plan involves a total staff reduction of 58 employees through a combination of voluntary retirement packages and involuntary terminations. We will complete substantially all activities associated with this workforce reduction by December 31, 2013. We will incur approximately $1.2 million of pre-tax charges in the fourth quarter of 2013, primarily due to one-time termination benefits and pension benefits. Substantially all of these charges will result in cash expenditures in the fourth quarter of 2013.

8LONG-TERM DEBT

The carrying values and fair values of our outstanding debt were as follows (in millions):

	September 30, 2013					December 31, 2012
	Carrying value		Fair value	Interest rate		Carrying value		Fair value	Interest rate
	$		$	%		$		$	%
AcquisitionCo Notes, net (1)	173.0		153.7	11.00	%	275.3		258.8	4.52	%
Term B Loan, net	476.1		476.1	5.75	%	320.4		320.4	5.75	%
Revolver	—		—			—		—
Total debt, net	649.1					595.7
Less: Current portion	(4.9	)				(3.3	)
Long-term debt, net	644.2					592.4

⁽¹⁾  We refer to the Senior Unsecured Notes due 2019 issued by Noranda AcquisitionCo ("AcquisitionCo Notes due 2019") outstanding at September 30, 2013 and Senior Floating Rate Notes due 2015 issued by Noranda AcquisitionCo ("AcquisitionCo Notes due 2015") outstanding at December 31, 2012 collectively as the "AcquisitionCo Notes."

2013 Refinancing

On March 8, 2013, we completed a private offering of $175.0 million aggregate principal amount of 11.0% AcquisitionCo Notes due June 1, 2019. Additionally, we entered into an incremental term loan facility in the amount of $110.0 million under our existing term loan credit agreement (the "$110.0 million incremental Term B Loan"). We used the net proceeds from the offering of the AcquisitionCo Notes due 2019 and the $110.0 million incremental Term B Loan to redeem the remaining $275.3 million outstanding AcquisitionCo Notes due 2015. We refer to these transactions, collectively, as the "2013 Refinancing."

The AcquisitionCo Notes due 2019 are fully and unconditionally guaranteed on a senior unsecured, joint and several basis by Noranda HoldCo and the domestic subsidiaries of Noranda AcquisitionCo that guarantee the senior secured credit facilities. The indenture governing the AcquisitionCo Notes due 2019 contains certain customary affirmative and negative covenants, restrictions and events of default.

The $110.0 million incremental Term B Loan agreement permitted us to incur further incremental borrowings under the existing Term B Loan in an aggregate principal amount not to exceed the greater of (1) $50.0 million and (2) an amount such that, after giving effect to such incremental borrowing, we would be in pro forma compliance with a maximum total net senior secured leverage ratio of 2.25 to 1.00. On May 29, 2013, we borrowed an additional $50.0 million, which we refer to as the "$50.0 million incremental Term B Loan." Borrowings under the $50.0 million incremental Term B Loan were used for general corporate purposes. The $110.0 million incremental Term B Loan and the $50.0 million incremental Term B Loan are due and payable on February 28, 2019 and have the same terms as borrowings under the existing Term B Loan.

18

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

On May 15, 2013, we entered into an incremental asset-based revolving credit facility, consisting of $15.0 million in additional commitments on a "first-in, last-out" basis, under our existing asset-based revolving credit facility. We refer to this incremental asset-based loan as the "incremental ABL." Loans under the incremental ABL will be used for general corporate purposes, will bear interest at a rate equal to the rate applicable to loans under our existing asset-based revolving credit facility plus 1.5% per annum, will mature in February 2017 and, except as set forth herein, will be subject to the same terms and conditions as loans under the existing asset-based loan credit agreement.

We recorded debt refinancing expense of $2.5 million in the first nine months of 2013, representing the write-off of deferred financing fees and third party fees related to the AcquisitionCo Notes due 2015. In the first nine months of 2012, we recorded debt refinancing expense of $8.1 million related to the refinancing of our credit facilities we undertook at that time, comprising $5.7 million of creditor fees related to the new senior secured credit facilities and $2.4 million of deferred financing fees related to the existing senior secured credit facilities.

As of September 30, 2013 and December 31, 2012 the amount outstanding under our Term B Loan was recorded in our unaudited consolidated balance sheets net of $3.0 million and $2.2 million, respectively, of unamortized discount. The carrying value of the AcquisitionCo Notes was recorded net of unamortized underwriting discount of $2.0 million at September 30, 2013. The Revolver had no outstanding balance at September 30, 2013 and December 31, 2012 and outstanding letters of credit totaled $34.6 million at September 30, 2013 and $31.1 million at December 31, 2012. Availability under the Revolver is subject to a calculated borrowing base. Because our Revolver Fixed-Charge Coverage Ratio was less than 1.0 to 1.0 as of September 30, 2013, we are effectively required to maintain at least $20.0 million of available borrowing capacity under our Revolver. This restriction will be removed when the ratio meets the required threshold. Our effective borrowing capacity calculated as of September 30, 2013 was $120.0 million.

Including required repayments of the incremental Term B Loan borrowings, we are required to repay $1.2 million of the total Term B Loan quarterly.

9.ASSET RETIREMENT AND OTHER OBLIGATIONS

Reclamation Obligation

St. Ann has an obligation to rehabilitate land disturbed by St. Ann's Bauxite mining operations.

Our reclamation obligations activity at St. Ann follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	2.5
Additional liabilities incurred	1.7
Liabilities settled	(3.5	)
Accretion	—
Balance, end of period	0.7

Land Obligation

In cases where land to be mined is privately owned, St. Ann acquires the right to mine either through a purchase of the land or by compensating the owner for disturbing the owner's surface rights. In the case of a purchase of the land, the consideration is typically cash and or a commitment to resettle the owner to another area ("St. Ann Land Obligation"). Additional consideration is paid for crops, homes, and other structures that may exist on the land but which may be destroyed or damaged by the mining activities.

Our St. Ann Land Obligation activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	14.1
Additional liabilities incurred	0.1
Liabilities settled	(0.5	)
Revisions to the obligation	(1.5	)
Balance, end of period	12.2

19

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Asset Retirement Obligations

Our asset retirement obligations consist of costs related to the disposal of certain spent pot liners associated with the New Madrid smelter, as well as costs associated with the future closure and post-closure care of "red mud lakes" at the Gramercy facility, where Gramercy disposes of wastes from its refining process. Asset retirement obligations are estimated based on cash flows discounted at a credit-adjusted risk-free rate.

Our asset retirement obligations activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	15.8
Additional liabilities incurred	0.6
Liabilities settled	(1.0	)
Accretion	0.8
Balance, end of period	16.2

As of September 30, 2013 and December 31, 2012, we had $9.2 million of restricted cash in an escrow account as security for the payment of red mud lake closure obligations that will arise under state environmental laws if we were to cease operations at the Gramercy facility. This amount is included in other assets in the accompanying unaudited consolidated balance sheets. The remaining restricted cash in other assets relates primarily to funds for workers’ compensation claims.

Environmental Remediation Obligations

In addition to our asset retirement obligations, we have identified certain environmental conditions requiring remedial action or ongoing monitoring at the Gramercy refinery. As of September 30, 2013 and December 31, 2012, we had undiscounted liabilities of $1.8 million and $2.0 million, respectively, in accrued liabilities and had $1.1 million and $1.2 million, respectively, in other long-term liabilities for remediation of Gramercy’s known environmental conditions. Monitoring costs are expensed as incurred. No other responsible parties are involved in any ongoing environmental remediation activities.

10.PENSIONS AND OTHER POST-RETIREMENT BENEFITS

We sponsor defined benefit pension plans for hourly and salaried employees. Benefits under our sponsored defined benefit plans are based on years of service and/or eligible compensation prior to retirement. We also sponsor OPEB plans for certain employees. These benefits include life and health insurance. In addition, we provide supplemental executive retirement benefits for certain executive officers.

Net periodic benefit costs related to the pension plans included the following (in millions):

	Noranda Pension Plans				St. Ann Pension Plans
	Three months ended September 30,				Three months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	3.8		3.4		0.1		0.2
Interest cost	4.5		4.5		0.4		0.4
Expected return on plan assets	(5.0	)	(4.7	)	(0.5	)	(0.6	)
Recognized actuarial loss	3.3		2.8		—		—
Amortization of prior service cost	0.2		0.1		—		—
Net periodic cost	6.8		6.1		—		—

20

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	Noranda Pension Plans				St. Ann Pension Plans
	Nine months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	11.5		10.0		0.4		0.6
Interest cost	13.5		13.4		1.2		1.2
Expected return on plan assets	(15.2	)	(14.2	)	(1.7	)	(1.7	)
Recognized actuarial loss	9.7		8.3		—		—
Amortization of prior service cost	0.8		0.3		—		—
Net periodic cost	20.3		17.8		(0.1	)	0.1

Net periodic benefit costs related to the OPEB plans included the following (in millions):

	Noranda OPEB Plans		St. Ann OPEB Plans
	Three months ended September 30,		Three months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.1	0.1	—		0.1
Interest cost	0.1	0.2	0.2		0.1
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.3	0.3	0.1		0.2

	Noranda OPEB Plans		St. Ann OPEB Plans
	Nine months ended September 30,		Nine months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.4	0.3	0.1		0.3
Interest cost	0.4	0.5	0.4		0.3
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.9	0.8	0.4		0.6

Expected Employer Contributions

We contributed $11.0 million and $0.4 million to the Noranda Pension Plans and the St. Ann Pension Plans, respectively, during the nine months ended September 30, 2013. We anticipate making approximately $3.1 million and $0.2 million of pension funding payments to the Noranda Pension Plans and the St. Ann Pension Plans, respectively for the remainder of the year ending December 31, 2013.

11.DERIVATIVE FINANCIAL INSTRUMENTS

We use derivative instruments to mitigate the risks associated with fluctuations in aluminum prices, natural gas prices and interest rates. All derivatives are held for purposes other than trading.

Fixed price aluminum swaps. Through 2010, we utilized a hedging strategy designed to reduce commodity price risk and protect operating cash flows in the Primary Aluminum segment through the use of fixed price aluminum swaps. In May 2010, we settled all of our remaining fixed price aluminum swaps and used the proceeds to repay indebtedness. As of September 30, 2013, we had no outstanding fixed price aluminum swaps.

Fixed-price customer arrangements. We enter into forward contracts with our customers to sell aluminum in the future at fixed prices in the normal course of business. We do not elect normal sale accounting on certain customer contracts and instead record those contracts as derivatives ("fixed price aluminum customer contracts"). Because these fixed price aluminum customer contracts expose us to aluminum and Midwest premium ("MWP") market price fluctuations, we economically hedge these risks by entering into variable price aluminum swap contracts ("variable-price aluminum offset swaps") and variable price MWP contracts with various brokers, typically for terms of one year or less.

21

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

As of September 30, 2013, our outstanding fixed-price aluminum customer contracts were as follows:

	Average price per pound	Pounds
Year	$	(in millions)
2013	1.04	15.7
2014	1.00	51.0
2015	1.03	0.9

As of September 30, 2013, our outstanding variable-price aluminum offset swaps were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.91	20.8
2014	0.88	55.3
2015	0.92	0.9

As of September 30, 2013, our outstanding variable-price MWP contracts were as follows were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.11	20.5
2014	0.11	50.8
2015	0.10	0.4

Natural gas swaps. We purchase natural gas to meet our production requirements. These purchases expose us to the risk of fluctuating natural gas prices. To offset changes in the Henry Hub Index Price of natural gas, from time to time, we have entered into financial swaps by purchasing the fixed forward price for the Henry Hub Index and simultaneously entering into an agreement to sell the actual Henry Hub Index Price. During the nine months ended September 30, 2013, we had no outstanding natural gas swaps.

Fixed-price natural gas contract. In 2012, we exercised a provision in the natural gas supply contract for our alumina refinery to set fixed prices for a portion of the refinery's anticipated natural gas usage in the period from April through December 2012. We recorded these contracts as derivatives, based on the fair value of the Henry Hub Index price of natural gas. As of September 30, 2013, we had no fixed price purchases of natural gas remaining.

We recognize all derivative instruments as either assets or liabilities at their estimated fair value in our accompanying unaudited consolidated balance sheets. The following table presents the carrying values, which were recorded at fair value, of our derivative instruments outstanding (in millions):

	September 30, 2013		December 31, 2012
	$		$
Fixed-price aluminum customer contracts	4.6		(0.8	)
Variable-price aluminum offset swaps	(3.6	)	0.5
Variable-price MWP contracts	(0.9	)	1.1
Total	0.1		0.8

22

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

We have two counterparties for our variable price aluminum offset swaps. Our variable-price MWP contracts are with various other counterparties. With each of the counterparties of our variable price aluminum offset swaps, we have a master netting arrangement which is subject to the same guarantee and security provisions as the senior secured credit facilities. The master netting arrangements do not require us to post additional collateral, or cash margin. We present the fair values of derivatives which are subject to a master netting arrangement in a net position on the unaudited consolidated balance sheets. The following is a presentation of the gross components of our net derivative balances (in millions):

	As of September 30, 2013
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	0.2	(0.2	)	—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	4.4	4.4
Total current derivative assets	0.2	(0.2	)	—	4.4	4.4
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	0.2	0.2
Total long-term derivative assets	—	—		—	0.2	0.2

	As of September 30, 2013
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset		Derivative liabilities not offset		Derivative liabilities, net
	$		$	$		$		$
Master netting arrangement with counterparty one	(3.6	)	—	(3.6	)	—		(3.6	)
Master netting arrangement with counterparty two	(0.2	)	0.2	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		(0.9	)	(0.9	)
Total current derivative liabilities	(3.8	)	0.2	(3.6	)	(0.9	)	(4.5	)
Master netting arrangement with counterparty one	—		—	—		—		—
Master netting arrangement with counterparty two	—		—	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		—		—
Total long-term derivative liabilities	—		—	—		—		—

23

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	As of December 31, 2012
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	2.0	(1.5	)	0.5	—	0.5
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	2.1	2.1
Total current derivative assets	2.0	(1.5	)	0.5	2.1	2.6
Master netting arrangement with counterparty one	—	—		—	0.1	0.1
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	—	—
Total long-term derivative assets	—	—		—	0.1	0.1

	As of December 31, 2012
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset	Derivative liabilities not offset		Derivative liabilities, net
	$		$	$	$		$
Master netting arrangement with counterparty one	(1.5	)	1.5	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(1.8	)	(1.8	)
Total current derivative liabilities	(1.5	)	1.5	—	(1.8	)	(1.8	)
Master netting arrangement with counterparty one	—		—	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(0.1	)	(0.1	)
Total long-term derivative liabilities	—		—	—	(0.1	)	(0.1	)

As of September 30, 2013 and December 31, 2012, respectively, none of our derivative instruments were designated and qualified as fair value or cash flow hedges. We discontinued hedge accounting for all our aluminum fixed price sale swaps on January 29, 2009. At that date, amounts were frozen in AOCI to be reclassified into earnings in the period the hedged sales occur, or until we determined that the original forecasted sales were no longer probable of occurring. During the nine months ended September 30, 2013, we reclassified the remaining $6.4 million of gains into earnings, which is reflected in (gain) loss on hedging activities, net in the unaudited consolidated statement of operations. As of September 30, 2013, there were no remaining derivative gains or losses on hedging activities in AOCI.

Derivatives that do not qualify for hedge accounting or have not been designated for hedge accounting treatment are adjusted to fair value through earnings in (gain) loss on hedging activities, net in the unaudited consolidated statements of operations.

24

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

The following table presents how our hedging activities affected our unaudited consolidated statements of operations for each period (in millions):

	Derivatives qualified as hedges		Derivatives not qualified as hedges
	Amount reclassified from AOCI		Change in fair value		Total (gain) loss on hedging activities
	$		$		$
Three months ended September 30, 2013
Fixed-price aluminum customer contracts	—		1.9		1.9
Variable-price aluminum offset swaps and other	—		0.5		0.5
Total	—		2.4		2.4
Three months ended September 30, 2012
Fixed-price aluminum swaps	(31.7	)	—		(31.7	)
Fixed-price aluminum customer contracts	—		7.1		7.1
Variable-price aluminum offset swaps and other	—		(6.3	)	(6.3	)
Natural gas swaps	6.4		(0.3	)	6.1
Natural gas fixed-price contract	—		(0.6	)	(0.6	)
Total	(25.3	)	(0.1	)	(25.4	)
Nine months ended September 30, 2013
Fixed-price aluminum swaps	(6.4	)	—		(6.4	)
Fixed-price aluminum customer contracts	—		(5.3	)	(5.3	)
Variable-price aluminum offset swaps and other	—		11.7		11.7
Total	(6.4	)	6.4		—
Nine months ended September 30, 2012
Fixed-price aluminum swaps	(83.9	)	—		(83.9	)
Fixed-price aluminum customer contracts	—		3.9		3.9
Variable-price aluminum offset swaps and other	—		(2.2	)	(2.2	)
Natural gas swaps	19.6		0.9		20.5
Natural gas fixed-price contract	—		(0.8	)	(0.8	)
Total	(64.3	)	1.8		(62.5	)

12.SHAREHOLDERS' EQUITY

Dividends declared and paid during the nine months ended September 30, 2013 were as follows:

Declaration date	Per share dividend amount	Date paid	Total cash payment
	$/share		$ in millions
February 20, 2013	0.04	March 27, 2013	2.7
April 24, 2013	0.04	May 29, 2013	2.7
July 24, 2013	0.04	August 28, 2013	2.8

On October 30, 2013, the Board declared a regular quarterly dividend of $0.01 per share to be paid on December 5, 2013 to shareholders of record as of November 12, 2013. Cash payments related to this dividend will total approximately $0.7 million.

As part of his employment agreement, our Chief Executive Officer ("CEO") agreed to purchase 200,000 shares of common stock at $10.00 per share, for a total investment of $2.0 million. His employment agreement provides that shares purchased carry a redemption feature which guarantees total realization on these shares of at least $7.5 million (reduced to $7.0 million as of December 31, 2012 to reflect dividends to date) in the event a change in control occurred prior to March 3, 2013, and the CEO remained employed with us through the 12 month anniversary of such change in control or experiences certain qualifying terminations of employment.

Because of the existence of the conditional redemption feature, the carrying value of these 200,000 shares of common stock was reported outside of permanent equity as of December 31, 2012. In accordance with FASB ASC Topic 718, Compensation — Stock Compensation ("ASC Topic 718"), the carrying amount of the common stock subject to redemption is reported as the $2.0 million in proceeds. Because a change in control did not occur prior to March 3, 2013, the carrying value of that common stock was not adjusted

25

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

to the redemption amount. During the nine months ended September 30, 2013, the carrying amount of $2.0 million was reclassified into permanent equity.

13.SHARE-BASED PAYMENTS

We recorded stock compensation expense as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Stock options	—	0.1	0.1	0.4
Restricted stock and restricted stock unit equity awards	1.3	0.8	3.3	3.3
Restricted stock unit liability awards	—	—	—	0.2
Total stock compensation expense	1.3	0.9	3.4	3.9

Share-based payment awards held by employee and non-employee directors include stock options, restricted stock, and restricted stock units ("RSUs"). Restricted stock and RSU awards have either service-vesting and/or performance-vesting requirements, and some also have market-based conditions. We account for RSUs granted to the investor director provider group, which consists of the full-time employees of our principal shareholders affiliated with Apollo Management VI, L.P. ("Apollo") who serve on our board of directors, as liability awards.

During first quarter 2012, in respect of the supplemental dividend of $1.25 paid on March 19, 2012, holders of stock options and of service-vesting restricted stock and RSUs received $1.25 for each share underlying such awards. We accelerated $1.2 million of stock compensation expense in connection with this payment. Holders of performance-vesting restricted stock and RSUs were granted additional performance-vesting restricted stock or RSUs, as applicable, with respect to the $1.25 per share supplemental dividend. The number of additional shares or units was computed by dividing the amount of the dividend the award holder would have received for a number of shares of our common stock equal to the number subject to the applicable award divided by the fair market value of a share of our common stock on the last trading day before the dividend payment date. These additional shares or units are subject to the same vesting conditions as the underlying awards. Generally, holders of service-vesting and performance-vesting restricted stock and RSUs were granted additional shares or units, with respect to the regular quarterly dividends in 2012 and 2013. The number of additional shares or units was computed by dividing the amount of dividend the award holder would have received had the holder owned a number of shares equal to the number subject to the applicable award by the fair market value of a share of our common stock on the last trading day before the date of the dividend payment. These additional shares or units are subject to the same vesting conditions as the underlying award.

As of September 30, 2013, total unrecognized stock compensation expense related to share-based payment awards was $4.1 million. We will recognize this amount over a weighted-average period of 1.3 years. During first quarter 2013, we began recognizing stock compensation expense for performance-vesting RSUs awarded in 2011 because the performance conditions have now been determined. We have not yet recognized stock compensation expense for performance-vesting restricted stock or RSUs awarded in 2012 or 2013 because the performance conditions had not been determined as of September 30, 2013. Outstanding share-based payment awards include dividend equivalent units issued to restricted stock and RSU holders in connection with dividend payments to shareholders.

26

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

Our stock option activity was as follows:

	Employee options and non-employee director options				Investor director provider options
	Common shares		Weighted-average exercise price	Intrinsic value (in millions)(1)	Common shares	Weighted-average exercise price	Intrinsic value (in millions)
			$	$		$	$
Outstanding, December 31, 2012	1,307,989		1.89	5.7	140,000	9.00	—
Exercised	(104,640	)	1.60	0.2	—	—	—
Forfeited	(7,000	)	1.14	—	—	—	—
Outstanding, September 30, 2013	1,196,349		1.92	1.0	140,000	9.00	—
Fully vested and exercisable, September 30, 2013 (weighted-average remaining contractual term of 4.7 years and 4.1 years, respectively)	974,578		2.10	0.7	140,000	9.00	—

⁽¹⁾  Options that were not in-the-money at September 30, 2013 and December 31, 2012, and therefore have a negative intrinsic value, have been excluded from intrinsic value calculations.

Restricted stock and RSU equity award activity was as follows:

	Service-vesting restricted stock and RSUs			Performance-vesting RSUs with grant date			Performance-vesting restricted stock (with market condition) with grant date		Performance-vesting restricted stock and RSUs without grant date
	Awards		Weighted-average grant date fair value	Awards		Weighted-average grant date fair value	Awards	Weighted-average grant date fair value	Awards
	#		$	#		$	#	$	#
Non-vested, December 31, 2012	747,937		12.48	294,336		5.22	—	—	526,327
Granted	457,524		4.20	—		—	188,000	2.13	512,988
Dividend equivalent units granted	27,102		3.63	9,458		3.72	4,343	3.48	28,814
Vested (aggregate intrinsic value of $1.0 million)	(236,314	)	11.81	—		—	—	—	—
Forfeited	(28,102	)	10.93	(4,479	)	6.05	—	—	(8,903	)
Non-vested, September 30, 2013 (aggregate intrinsic value of $6.2 million)	968,147		8.53	299,315		5.16	192,343	2.16	1,059,226

During the second quarter of 2013, we granted performance shares with market-based vesting conditions to certain senior level employees under our Noranda 2010 Incentive Award Plan. These performance shares can be earned upon the achievement of a specified fair market value of the Company's common stock during the defined performance period. These performance shares are also subject to a three-year continued service vesting provision with earlier vesting permitted under certain conditions, such as upon a change of control of the Company.

We determined grant date fair value of service-vesting and performance-vesting restricted stock and RSUs based on the closing price of our common stock on the grant date. For market-based restricted stock, the effect of the market conditions is reflected in the fair value of the awards on the date of grant using a Monte-Carlo simulation model. A Monte-Carlo simulation model estimates the fair value of the market-based award based on the expected term, risk-free interest rate, expected dividend yield and expected volatility measure for the Company.

We estimate a forfeiture rate for share-based payment awards based on historical forfeiture rates of similar awards, which was 7% for restricted stock and RSUs granted to employees during 2013. We expect all share-based payment awards granted to executives and directors to vest. Service-vesting restricted stock and RSUs will generally vest over three years, on the anniversary of the grant date, in the following increments: 25% on the first anniversary, 25% on the second anniversary and 50% on the third anniversary. A grant date had not been determined as of September 30, 2013 for performance-vesting awards granted in 2012 and 2013 because the performance conditions had not yet been determined.

27

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

As of September 30, 2013, there was no liability for RSU liability awards. As of December 31, 2012, accrued liabilities in the accompanying unaudited consolidated balance sheets included $0.1 million related to RSU liability awards.

RSU liability award activity was as follows:

	RSUs
	#
Non-vested, December 31, 2012	25,344
Granted	20,000
Dividend equivalent units granted	652
Vested	(20,656	)
Forfeited	(5,069	)
Non-vested, September 30, 2013	20,271

14.NET INCOME PER COMMON SHARE

Basic and diluted net income (loss) per common share ("EPS") were calculated as follows (in millions, except per share):

	Three months ended September 30,					Nine months ended September 30,
	2013			2012		2013			2012
Net income (loss)	$	(18.2	)	$	3.8	$	(29.9	)	$	45.3
Weighted-average common shares outstanding:
Basic	68.01			67.68		67.90			67.49
Effect of dilutive securities	—			1.44		—			1.61
Diluted	68.01			69.12		67.90			69.10
Net income (loss) per common share:
Basic	$	(0.27	)	$	0.06	$	(0.44	)	$	0.67
Diluted	$	(0.27	)	$	0.05	$	(0.44	)	$	0.66

Certain share-based payment awards whose terms and conditions are described in Note 13 "Share-Based Payments," could potentially dilute basic EPS in the future, but were not included in the computation of diluted EPS because to do so would have been antidilutive. Those antidilutive securities were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
Antidilutive securities	2.49	0.68	1.88	0.50

15.INCOME TAXES

Our effective income tax rate was approximately 43.3% for the three months ended September 30, 2013 and 33.3% for the three months ended September 30, 2012. Our effective income tax rate was approximately 40.2% for the nine months ended September 30, 2013 and 33.4% for the nine months ended September 30, 2012. The effective income tax rates for the three months and nine months ended September 30, 2013 were primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and a foreign deferred tax asset valuation allowance. In regards to state income taxes, our effective income tax rates for the three months and nine months ended September 30, 2013 were impacted by enacted changes in state income tax laws which affected apportionment methods and income tax rates in certain states. As a result of these changes, we recorded a $3.7 million discrete income tax benefit for the three months and nine months ended September 30, 2013. The effective tax rates for the three months ended September 30, 2012 and for the nine months ended September 30, 2012 were primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and accrued interest related to unrecognized tax benefits.

28

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

16.RELATED PARTY TRANSACTIONS

We sell flat-rolled products to two customers that are affiliated with Apollo. On April 12, 2013 one of those customers, Metals USA Holdings Corp., was acquired by Reliance Steel & Aluminum Co., a public company not affiliated with Apollo. Sales to these companies were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Berry Plastics Corporation	2.2	2.5	6.5	7.1
Metals USA Holdings Corp.(1)	—	3.4	4.2	9.1

⁽¹⁾ Sales to Metals USA Holding Corp. include the period in which Metals USA Holdings Corp was affiliated with Apollo through April 12, 2013.

Accounts receivable from these related parties were as follows (in millions):

	September 30, 2013	December 31, 2012
	$	$
Berry Plastics Corporation	0.6	0.4
Metals USA Holdings Corp. (1)	—	1.0

⁽¹⁾ As of April 12, 2013 Metals USA Holding Corp. was no longer affiliated with Apollo, therefore accounts receivable for Metals USA Holding Corp. as of September 30, 2013 are not disclosed as related party accounts receivable.

In connection with the 2012 Refinancing, we paid $0.7 million in fees to Apollo Global Securities, LLC, an affiliate of Apollo that participated in the arrangement and structuring of the 2012 Refinancing. Fees were paid to Apollo Global Securities, LLC in connection with the 2013 Refinancing were immaterial.

17.NON-CONTROLLING INTEREST

Through St. Ann, we hold a 49% partnership interest in Noranda Jamaica Bauxite Partners ("NJBP"), in which the GOJ holds a 51% interest. NJBP mines bauxite, approximately 52% of which was sold to Gramercy during 2012, with the remaining majority sold to Sherwin Alumina Company.

Under an establishment agreement between our St. Ann and the GOJ, St. Ann committed to make certain expenditures for haulroad development, maintenance, dredging, land purchases, contract mining, training and other general capital expenditures from 2009 through 2014. If we do not meet our commitment to the GOJ regarding these expenditures, we would owe to the GOJ a penalty that could be material to our consolidated financial statements. We believe there is a remote possibility that we will not meet the commitment.

We have determined that NJBP is a variable interest entity under U.S. GAAP, and St. Ann is NJBP’s primary beneficiary. The determination that St. Ann is the primary beneficiary was based on the fact that St. Ann absorbs the profits and losses associated with the partnership, while the GOJ receives certain fees from St. Ann (royalties, production and asset usage fees, etc.). We consolidate NJBP into our consolidated financial statements as follows (in millions):

29

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

	September 30, 2013						December 31, 2012
	NJBP balances		Impact of Eliminations		Impact on consolidated statements		NJBP balances		Impact of Eliminations		Impact on consolidated statements
	$		$		$		$		$		$
Cash and cash equivalents	0.2		—		0.2		1.7		—		1.7
Accounts receivable, net	14.6		(14.6	)	—		15.4		(15.4	)	—
Inventories, net (consisting of maintenance supplies, inventory and fuel)	19.0		—		19.0		12.6		—		12.6
Other current assets	2.6		—		2.6		1.6		—		1.6
Property, plant and equipment, net	41.9		—		41.9		40.1		—		40.1
Other assets	5.0		—		5.0		5.0		—		5.0
Accounts payable	(67.1	)	55.5		(11.6	)	(58.3	)	49.2		(9.1	)
Accrued liabilities	(3.6	)	—		(3.6	)	(3.8	)	—		(3.8	)
Environmental, land and reclamation liabilities	(0.7	)	—		(0.7	)	(2.4	)	—		(2.4	)
Non-controlling interest	(6.0	)	—		(6.0	)	(6.0	)	—		(6.0	)
St. Ann’s net investment and advances to NJBP	5.9		40.9		46.8		5.9		33.8		39.7

18.SUBSIDIARY ISSUER OF GUARANTEED NOTES

The AcquisitionCo Notes are fully and unconditionally guaranteed on a senior unsecured, joint and several basis by the existing and future domestic subsidiaries of Noranda AcquisitionCo that guarantee the senior secured credit facilities. NHB and St. Ann are not guarantors of the senior secured credit facilities and, are not guarantors of the AcquisitionCo Notes. Noranda HoldCo fully and unconditionally guarantees the AcquisitionCo Notes on a joint and several basis with the subsidiary guarantors. Noranda HoldCo has no independent operations or any assets other than its interest in Noranda AcquisitionCo. Noranda AcquisitionCo is a wholly owned finance subsidiary of Noranda HoldCo with no operations independent of its subsidiaries.

The following unaudited condensed consolidating financial statements present separately the financial condition and results of operations and cash flows for Noranda HoldCo (as parent guarantor), Noranda AcquisitionCo (as the issuer), the subsidiary guarantors, the subsidiary non-guarantors and eliminations ("the guarantor financial statements"). The guarantor financial statements have been prepared and presented in accordance with SEC Regulation S-X Rule 3-10 "Financial Statements of Guarantors and Issuers of Guaranteed Securities Registered or Being Registered."

The accounting policies used in the preparation of the guarantor financial statements are consistent with those found elsewhere in the accompanying unaudited consolidated financial statements. Intercompany transactions have been presented gross in the guarantor financial statements; however these transactions eliminate in consolidation.

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NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Balance Sheet as of September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
ASSETS
Current assets:
Cash and cash equivalents	0.4		55.2		6.0		2.3		—		63.9
Accounts receivable, net:
Trade	—		—		101.4		4.3		—		105.7
Affiliates	19.7		11.9		2.0		3.7		(37.3	)	—
Inventories, net	—		—		159.4		34.7		(0.4	)	193.7
Taxes receivable	3.6		—		1.1		(0.3	)	—		4.4
Prepaid expenses	0.2		—		3.9		1.4		—		5.5
Other current assets	(0.1	)	—		7.5		7.3		—		14.7
Total current assets	23.8		67.1		281.3		53.4		(37.7	)	387.9
Investments in affiliates	316.0		1,511.9		—		—		(1,827.9	)	—
Advances due from affiliates	—		125.0		698.2		63.5		(886.7	)	—
Property, plant and equipment, net	—		—		618.1		64.3		—		682.4
Goodwill	—		—		137.6		—		—		137.6
Other intangible assets, net	—		—		56.7		—		—		56.7
Other assets	—		8.2		53.1		32.1		—		93.4
Total assets	339.8		1,712.2		1,845.0		213.3		(2,752.3	)	1,358.0
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable:
Trade	—		0.2		85.9		12.0		(0.1	)	98.0
Affiliates	—		19.7		3.6		14.0		(37.3	)	—
Accrued liabilities	—		11.3		37.4		20.8		—		69.5
Derivative liabilities, net	—		—		4.5		—		—		4.5
Deferred tax liabilities	(0.3	)	(3.3	)	13.7		—		—		10.1
Current portion of long-term debt	—		4.9		—		—		—		4.9
Total current liabilities	(0.3	)	32.8		145.1		46.8		(37.4	)	187.0
Long-term debt, net	—		644.2		—		—		—		644.2
Pension and other post-retirement liabilities	—		—		180.4		5.9		—		186.3
Other long-term liabilities	—		—		37.1		13.1		—		50.2
Advances due to affiliates	189.1		697.6		—		—		(886.7	)	—
Long-term deferred tax liabilities	35.5		21.6		109.6		2.4		(0.3	)	168.8
Shareholders’ equity:
Preferred stock	—		—		—		—		—		—
Common stock	0.7		—		—		—		—		0.7
Capital in excess of par value	238.4		352.1		1,199.7		83.7		(1,635.5	)	238.4
Retained earnings (accumulated deficit)	(20.2	)	67.3		277.1		54.7		(399.1	)	(20.2	)
Accumulated other comprehensive income (loss)	(103.4	)	(103.4	)	(104.0	)	0.7		206.7		(103.4	)
Total shareholders' equity	115.5		316.0		1,372.8		139.1		(1,827.9	)	115.5
Non-controlling interest	—		—		—		6.0		—		6.0
Total equity	115.5		316.0		1,372.8		145.1		(1,827.9	)	121.5
Total liabilities and equity	339.8		1,712.2		1,845.0		213.3		(2,752.3	)	1,358.0

31

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Balance Sheet as of December 31, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
ASSETS
Current assets:
Cash and cash equivalents	0.5		27.9		3.3		4.4		—		36.1
Accounts receivable, net:
Trade	—		—		101.6		5.0		—		106.6
Affiliates	19.4		11.9		0.3		9.9		(41.5	)	—
Inventories, net	—		—		169.1		27.2		(0.5	)	195.8
Taxes receivable	1.7		—		0.6		(0.3	)	—		2.0
Prepaid expenses	0.2		—		7.1		1.6		—		8.9
Other current assets	—		—		4.9		14.0		—		18.9
Total current assets	21.8		39.8		286.9		61.8		(42.0	)	368.3
Investments in affiliates	347.0		1,509.0		—		—		(1,856.0	)	—
Advances due from affiliates	—		119.8		682.1		63.5		(865.4	)	—
Property, plant and equipment, net	—		—		633.2		61.3		—		694.5
Goodwill	—		—		137.6		—		—		137.6
Other intangible assets, net	—		—		61.2		—		—		61.2
Other assets	—		9.3		55.6		31.2		—		96.1
Total assets	368.8		1,677.9		1,856.6		217.8		(2,763.4	)	1,357.7
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable:
Trade	—		—		97.5		9.7		—		107.2
Affiliates	—		19.4		9.9		12.2		(41.5	)	—
Accrued liabilities	—		2.0		30.4		26.4		—		58.8
Derivative liabilities net	—		—		1.8		—		—		1.8
Deferred tax liabilities	0.1		—		16.7		—		—		16.8
Current portion of long-term debt	—		3.3		—		—		—		3.3
Total current liabilities	0.1		24.7		156.3		48.3		(41.5	)	187.9
Long-term debt	—		592.4		—		—		—		592.4
Long-term derivative liabilities, net	—		—		0.1		—		—		0.1
Pension and other post-retirement liabilities	—		—		181.5		5.7		—		187.2
Other long-term liabilities	—		—		36.7		15.6		—		52.3
Advances due to affiliates	183.7		681.7		—		—		(865.4	)	—
Long-term deferred tax liabilities	36.7		32.1		112.6		2.6		(0.5	)	183.5
Common stock subject to redemption	2.0		—		—		—		—		2.0
Shareholders’ equity:
Preferred stock	—		—		—		—		—		—
Common stock	0.7		—		—		—		—		0.7
Capital in excess of par value	233.4		352.1		1,199.7		83.7		(1,635.5	)	233.4
Retained earnings (accumulated deficit)	17.9		100.6		276.1		55.2		(431.9	)	17.9
Accumulated other comprehensive income (loss)	(105.7	)	(105.7	)	(106.4	)	0.7		211.4		(105.7	)
Total shareholders’ equity	146.3		347.0		1,369.4		139.6		(1,856.0	)	146.3
Non-controlling interest	—		—		—		6.0		—		6.0
Total equity	146.3		347.0		1,369.4		145.6		(1,856.0	)	152.3
Total liabilities and equity	368.8		1,677.9		1,856.6		217.8		(2,763.4	)	1,357.7

32

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Three months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		328.8		30.9		(19.8	)	339.9
Operating costs and expenses:
Cost of sales	—		—		325.6		27.5		(19.8	)	333.3
Selling, general and administrative expenses	1.6		0.1		18.0		4.0		—		23.7
Total operating costs and expenses	1.6		0.1		343.6		31.5		(19.8	)	357.0
Operating income (loss)	(1.6	)	(0.1	)	(14.8	)	(0.6	)	—		(17.1	)
Other (income) expense:
Interest expense (income), net	(0.1	)	12.6		0.1		—		—		12.6
Loss on hedging activities, net	—		—		2.4		—		—		2.4
Debt refinancing expense	—		—		—		—		—		—
Total other (income) expense, net	(0.1	)	12.6		2.5		—		—		15.0
Income (loss) before income taxes	(1.5	)	(12.7	)	(17.3	)	(0.6	)	—		(32.1	)
Income tax (benefit) expense	(0.4	)	(4.2	)	(9.7	)	0.4		—		(13.9	)
Equity in net income (loss) of subsidiaries	(17.1	)	(8.6	)	—		—		25.7		—
Net income (loss)	(18.2	)	(17.1	)	(7.6	)	(1.0	)	25.7		(18.2	)
Other comprehensive income (loss)	2.2		2.2		2.2		—		(4.4	)	2.2
Total comprehensive income (loss)	(16.0	)	(14.9	)	(5.4	)	(1.0	)	21.3		(16.0	)

33

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Three months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		323.2		33.6		(20.0	)	336.8
Operating costs and expenses:
Cost of sales	—		—		311.0		32.3		(20.0	)	323.3
Selling, general and administrative expenses	1.3		0.1		19.9		3.0		—		24.3
Total operating costs and expenses	1.3		0.1		330.9		35.3		(20.0	)	347.6
Operating income (loss)	(1.3	)	(0.1	)	(7.7	)	(1.7	)	—		(10.8	)
Other (income) expense:
Interest expense (income), net	(0.1	)	9.1		(0.1	)	—		—		8.9
Gain on hedging activities, net	—		—		(25.4	)	—		—		(25.4	)
Total other (income) expense, net	(0.1	)	9.1		(25.5	)	—		—		(16.5	)
Income (loss) before income taxes	(1.2	)	(9.2	)	17.8		(1.7	)	—		5.7
Income tax (benefit) expense	(0.4	)	(3.0	)	5.9		(0.6	)	—		1.9
Equity in net income of subsidiaries	4.6		10.8		—		—		(15.4	)	—
Net income (loss)	3.8		4.6		11.9		(1.1	)	(15.4	)	3.8
Other comprehensive income (loss)	(24.9	)	(24.9	)	(24.9	)	—		49.8		(24.9	)
Total comprehensive income (loss)	(21.1	)	(20.3	)	(13.0	)	(1.1	)	34.4		(21.1	)

34

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Nine months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		996.5		96.5		(62.7	)	1,030.3
Operating costs and expenses:
Cost of sales	—		—		948.8		87.0		(62.7	)	973.1
Selling, general and administrative expenses	4.4		1.0		54.2		10.2		—		69.8
Total operating costs and expenses	4.4		1.0		1,003.0		97.2		(62.7	)	1,042.9
Operating income (loss)	(4.4	)	(1.0	)	(6.5	)	(0.7	)	—		(12.6	)
Other (income) expense:
Interest expense (income), net	(0.3	)	35.0		0.2		—		—		34.9
Debt refinancing expense	—		2.5		—		—		—		2.5
Total other (income) expense, net	(0.3	)	37.5		0.2		—		—		37.4
Income (loss) before income taxes	(4.1	)	(38.5	)	(6.7	)	(0.7	)	—		(50.0	)
Income tax (benefit) expense	(1.2	)	(12.8	)	(5.5	)	(0.6	)	—		(20.1	)
Equity in net income of subsidiaries	(27.0	)	(1.3	)	—		—		28.3		—
Net income	(29.9	)	(27.0	)	(1.2	)	(0.1	)	28.3		(29.9	)
Other comprehensive income (loss)	2.3		2.3		2.4		—		(4.7	)	2.3
Total comprehensive income (loss)	(27.6	)	(24.7	)	1.2		(0.1	)	23.6		(27.6	)

35

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Nine months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		1,024.7		99.1		(61.8	)	1,062.0
Operating costs and expenses:
Cost of sales	—		—		929.0		92.2		(61.8	)	959.4
Selling, general and administrative expenses	5.1		0.8		49.6		9.3		—		64.8
Total operating costs and expenses	5.1		0.8		978.6		101.5		(61.8	)	1,024.2
Operating income (loss)	(5.1	)	(0.8	)	46.1		(2.4	)	—		37.8
Other (income) expense:
Interest expense (income), net	(0.3	)	24.5		—		—		—		24.2
Gain on hedging activities, net	—		—		(62.5	)	—		—		(62.5	)
Debt refinancing expense	—		8.1		—		—		—		8.1
Total other (income) expense, net	(0.3	)	32.6		(62.5	)	—		—		(30.2	)
Income (loss) before income taxes	(4.8	)	(33.4	)	108.6		(2.4	)	—		68.0
Income tax (benefit) expense	(1.5	)	(11.2	)	36.2		(0.8	)	—		22.7
Equity in net income of subsidiaries	48.6		70.8		—		—		(119.4	)	—
Net income	45.3		48.6		72.4		(1.6	)	(119.4	)	45.3
Other comprehensive income (loss)	(48.3	)	(48.3	)	(48.3	)	—		96.6		(48.3	)
Total comprehensive income (loss)	(3.0	)	0.3		24.1		(1.6	)	(22.8	)	(3.0	)

36

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Consolidating Statement of Cash Flows

Nine months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations	Consolidated
	$		$		$		$		$	$
OPERATING ACTIVITIES
Cash provided by (used in) operating activities	(0.7	)	(13.9	)	48.8		6.6		—	40.8
INVESTING ACTIVITIES
Capital expenditures	—		—		(47.0	)	(8.7	)	—	(55.7	)
Proceeds from sale of property, plant and equipment	—		—		0.9		—		—	0.9
Cash used in investing activities	—		—		(46.1	)	(8.7	)	—	(54.8	)
FINANCING ACTIVITIES
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	(0.1	)	—		—		—		—	(0.1	)
Dividends paid to shareholders	(8.2	)	—		—		—		—	(8.2	)
Distributions paid to optionholders	—		—		—		—		—	—
Repayments of long-term debt	—		(278.8	)	—		—		—	(278.8	)
Borrowings on long-term debt, net	—		331.8		—		—		—	331.8
Payments of financing costs	—		(2.9	)	—		—		—	(2.9	)
Distribution (to parent) from subsidiary	8.9		(8.9	)	—		—		—	—
Cash provided by (used in) financing activities	0.6		41.2		—		—		—	41.8
Change in cash and cash equivalents	(0.1	)	27.3		2.7		(2.1	)	—	27.8
Cash and cash equivalents, beginning of period	0.5		27.9		3.3		4.4		—	36.1
Cash and cash equivalents, end of period	0.4		55.2		6.0		2.3		—	63.9

37

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Notes to Unaudited Consolidated Financial Statements

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Consolidating Statement of Cash Flows

Nine months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations	Consolidated
	$		$		$		$		$	$
OPERATING ACTIVITIES
Cash provided by (used in) operating activities	—		(63.9	)	46.4		3.7		—	(13.8	)
INVESTING ACTIVITIES
Capital expenditures	—		—		(53.2	)	(6.6	)	—	(59.8	)
Proceeds from sale of property, plant and equipment	—		—		4.8		—		—	4.8
Cash used in investing activities	—		—		(48.4	)	(6.6	)	—	(55.0	)
FINANCING ACTIVITIES
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	0.1		—		—		—		—	0.1
Dividends paid to shareholders	(92.2	)	—		—		—		—	(92.2	)
Distributions paid to share-based award holders	(3.1	)	—		—		—		—	(3.1	)
Repayments of long-term debt	—		(154.8	)	—		—		—	(154.8	)
Borrowings on long-term debt	—		322.6		—		—		—	322.6
Payments of financing costs	—		(12.6	)	—		—		—	(12.6	)
Distribution (to parent) from subsidiary	92.7		(92.7	)	—		—		—	—
Cash provided by (used in) financing activities	(2.5	)	62.5		—		—		—	60.0
Change in cash and cash equivalents	(2.5	)	(1.4	)	(2.0	)	(2.9	)	—	(8.8	)
Cash and cash equivalents, beginning of period	3.3		31.3		3.3		4.8		—	42.7
Cash and cash equivalents, end of period	0.8		29.9		1.3		1.9		—	33.9

38

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Except as otherwise indicated herein or as the context otherwise requires, references in this report to (a) "Noranda HoldCo" refer only to Noranda Aluminum Holding Corporation, a Delaware corporation, excluding its subsidiaries, (b) "Noranda AcquisitionCo" refer only to Noranda Aluminum Acquisition Corporation, a Delaware corporation and wholly owned subsidiary of Noranda HoldCo, excluding its subsidiaries, and (c) "Noranda," the "Company," "we," "our," and "us" refer collectively to Noranda HoldCo and its subsidiaries on a consolidated basis. "AcquisitionCo Notes" refer to senior floating rate notes due 2015 and senior unsecured notes due 2019, in each case issued by Noranda AcquisitionCo.

Overview

We are a leading North American integrated producer of value-added primary aluminum and high-quality rolled aluminum coils. We have two businesses: our upstream business and downstream business. Our upstream business is one of the largest U.S. producers of primary aluminum, and consists of three reportable segments: Primary Aluminum, Alumina and Bauxite. These three segments are closely integrated and consist of a smelter near New Madrid, Missouri, which we refer to as "New Madrid," and supporting operations at our bauxite mining operation and alumina refinery. In 2012, New Madrid produced approximately 575 million pounds (261,000 metric tonnes) of primary aluminum, representing approximately 13% of total 2012 U.S. primary aluminum production, based on statistics from CRU. Our downstream business comprises our Flat-Rolled Products segment, which is one of the largest aluminum foil producers in North America, and consists of four rolling mill facilities with a combined maximum annual production capacity of 410 to 495 million pounds, depending on production mix.

During third quarter 2013 compared to third quarter 2012, shipment volumes increased in the Alumina, Primary Aluminum and Flat-Rolled Products segments, reflecting the effectiveness of our CORE productivity program at eliminating production variability issues from third quarter 2012 which negatively impacted volumes in those segments. Improved volumes in those segments offset the effects of lower volumes in the Bauxite segment, higher power rates and higher natural gas prices, compared to third quarter 2012.

• The average realized Midwest Transaction Price decreased to $0.92 in third quarter 2013 from $0.96 in third quarter 2012.

• Integrated primary aluminum net cash cost ("Net Cash Cost") decreased to $0.89 per pound shipped in third quarter 2013 compared to $0.92 per pound shipped in third quarter 2012, reflecting the effects of improved operating reliability in the Primary Aluminum and Alumina segments. These improvements were sufficient to offset the negative effect of year-over-year increases in natural gas prices, lower LME-indexed alumina prices on external shipments in the Alumina segment, and higher electricity prices in the Primary Aluminum segment following a rate increase which became effective in January 2013.

During 2013, we extended our funded debt maturities to 2019 through a private offering of $175.0 million aggregate principal amount of 11.0% senior unsecured notes and expanded borrowing capacity to include incremental term loans totaling $160.0 million in the aggregate and an incremental asset-based revolving credit facility of $15.0 million.

The London Metal Exchange ("LME") aluminum prices have declined since mid-February. Macroeconomic uncertainty around global manufacturing activity and China's economy have combined with bearish sentiment towards aluminum's supply-side fundamentals to bring aluminum prices to levels that are among historical lows in real terms. Through our focus on productivity and liquidity preservation, we have taken and continue to take actions to transform our cost structure and improve our ability to generate cash across the commodity cycle. These actions and our operating performance, combined with our debt maturity profile and liquidity position solidify our ability to withstand below cycle-average aluminum prices. We are also better positioning ourselves to capitalize on the eventual aluminum price recovery and to strengthen our balance sheet, provide for prudent investment in long-term growth, and provide returns to shareholders.

Productivity Program Update

We have surpassed our three-year goal of achieving $140 million of productivity gains through our Cost-Out, Reliability and Effectiveness ("CORE") productivity program. Since the beginning of 2011 through the quarter ended September 30, 2013, CORE savings were $175 million.

October 30, 2013, we announced productivity targets totaling $225 million for the three year period from 2014 to 2016. These targets include $150 million of productivity gains to offset the normal affects of inflation and unplanned events, plus an additional $75 million of gains from functional streamlining, improving production processes, and changes in strategic sourcing of input costs.

As part of our efforts to improve our operating results and liquidity, on October 30, 2013, we announced a workforce reduction at our Salisbury, North Carolina Flat-Rolled Products facility. The announcement was made pursuant to the federal Worker Adjustment and Retraining Notification Act (WARN). This restructuring is expected to generate approximately $4 million to $6 million annually through cost savings and operating efficiencies necessary to offset the impact of lower shipment volumes and resulting fabrication revenue due to sharp declines in demand for certain of our light gauge foil products.

The restructuring plan involves a total staff reduction of 58 employees through a combination of voluntary retirement packages and involuntary terminations. We will complete substantially all activities associated with this workforce reduction by December 31,

39

2013. We will incur approximately $1.2 million of pre-tax charges in the fourth quarter of 2013, primarily due to one-time termination benefits and pension benefits. Substantially all of these charges will result in cash expenditures in the fourth quarter of 2013.

Forward-looking Statements

This report on Form 10-Q contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements about future, not past, events and involve certain important risks and uncertainties, any of which could cause the Company's actual results to differ materially from those expressed in forward-looking statements, including, without limitation: the cyclical nature of the aluminum industry and fluctuating commodity prices, which cause variability in earnings and cash flows; a downturn in general economic conditions, including changes in interest rates, as well as a downturn in the end-use markets for certain of the Company's products; fluctuations in the relative cost of certain raw materials and energy compared to the price of primary aluminum and aluminum rolled products; the effects of competition in Noranda's business lines; Noranda's ability to retain customers, a substantial number of which do not have long-term contractual arrangements with the Company; the ability to fulfill the business's substantial capital investment needs; labor relations (i.e. disruptions, strikes or work stoppages) and labor costs; unexpected issues arising in connection with Noranda's operations outside of the United States; the ability to retain key management personnel; and Noranda's expectations with respect to its acquisition activity, or difficulties encountered in connection with acquisitions, dispositions or similar transactions.

Forward-looking statements contain words such as "believes," "expects," "may," "should," "seeks," "approximately," "intends," "plans," "estimates," or "anticipates" or similar expressions that relate to Noranda's strategy, plans or intentions. All statements Noranda makes relating to its estimated and projected earnings, margins, costs, expenditures, cash flows, growth rates and financial results or to the Company's expectations regarding future industry trends are forward-looking statements. Noranda undertakes no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date on which they are made and which reflect management's current estimates, projections, expectations or beliefs. All forward-looking statements herein are based upon information available to us on the date of this report on Form 10-Q

Important factors that could cause actual results to differ materially from our expectations, which we refer to as cautionary statements, are disclosed herein under Part II, Item 1A "Risk Factors," and in Item 1A in our Annual Report on Form 10-K for the year ended December 31, 2012. All forward-looking information in this report on Form 10-Q and subsequent written and oral forward-looking statements attributable to us, or persons acting on our behalf, are expressly qualified in their entirety by our cautionary statements. In light of these risks and uncertainties, the matters referred to in the forward-looking statements contained in this report on Form 10-Q may not in fact occur. Accordingly, investors should not place undue reliance on those statements. We undertake no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law.

Critical Accounting Policies and Estimates

Our accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("U.S. GAAP"). Preparation of these financial statements requires management to make significant judgments and estimates. See Item 2, "Management's Discussion and Analysis of Financial Condition and Results of Operations" and Note 1, "Accounting Policies" in our audited consolidated financial statements for the year ended December 31, 2012, included in our Annual Report on Form 10-K, as filed February 28, 2013, for a discussion of our critical accounting policies and estimates.

Goodwill Impairment

Goodwill represents the excess of acquisition consideration paid over the fair value of identifiable net tangible and identifiable intangible assets acquired. Goodwill and other indefinite-lived intangible assets are not amortized, but are reviewed for impairment at least annually, in the fourth quarter, or upon the occurrence of certain triggering events. Effective January 1, 2012, we adopted new accounting standards that allow a qualitative assessment to determine whether further impairment testing is necessary in certain circumstances. We elected to continue to evaluate goodwill and other indefinite-lived intangible assets for impairment using a two-step process, which is based on a quantitative assessment. The first step is to compare the fair value of each of our reporting units to their respective book values, including goodwill. If the fair value of a reporting unit exceeds its book value, reporting unit goodwill is not considered impaired and the second step of the impairment test is not required. If the book value of a reporting unit exceeds its fair value, the second step of the impairment test is performed to measure the amount of impairment loss, if any. The second step of the impairment test compares the implied fair value of the reporting unit’s goodwill with the book value of that goodwill. If the book value of the reporting unit’s goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination.

The carrying value of our Primary Aluminum segment's goodwill was $137.6 million at September 30, 2013. As of October 1, 2012, the date of our last annual goodwill impairment test, the fair value of the Primary Aluminum segment substantially exceeded its carrying value. Our 2012 fair value analysis included assumptions about key factors affecting the Primary Aluminum segment's future

40

profitability and cash flows, including the long-term price for primary aluminum. Throughout 2013, LME aluminum prices were lower than levels contemplated in the expected future cash flows estimated for our last annual goodwill impairment test. We opted to assess our goodwill as of May 1, 2013 and September 30, 2013. Based on our interim testing, we concluded the fair value of the Primary Aluminum Segment still substantially exceeded its carrying value as of May 1, 2013. As of September 30, 2013, the fair value of the Primary Aluminum Segment exceeded its carrying value by approximately 22%. We will continue to monitor our Primary Aluminum segment's expected future cash flows for risk of impairment in the future. Factors that could cause a decline in expected future cash flows include a further decline in expected aluminum prices without corresponding decreases in expected prices for production inputs, potential negative effects of proposed legislation related to sulfur dioxide ("SO₂"), an emission from our New Madrid smelter facility, or a significant increase in cash flow discount rates. Additionally, a sustained decline in our stock price or a downgrading of our credit ratings, when combined with the factors noted above, may cause us to further evaluate our impairment risk.

Inventory Valuation

An actual valuation of inventory under the last-in, first-out ("LIFO") method is made only at the end of each year based on the inventory costs at that time. Accordingly, interim LIFO calculations are based on management's estimates of expected year-end inventory costs. Because these calculations are subject to many factors beyond management's control, interim results are subject to the final year-end LIFO inventory valuation which could significantly differ from interim estimates. To estimate the effect of LIFO on interim periods, we calculate a LIFO reserve each quarter, giving consideration to expected year-end inventory pricing.

The following table illustrates the sensitivity of our LIFO adjustment by showing the amount by which pre-tax income would have changed for the nine months ended September 30, 2013, given certain specified changes in inventory costs:

Inventory item	Sensitivity	Increase (decrease) in pre-tax income ($ in millions)
Primary Aluminum segment:
Carbon-based products	10% increase in price	(1.7	)
Alumina	$0.10 increase in LME per pound	(2.4	)
Flat-Rolled Products segment:
Metal	$0.10 increase in LME per pound	(4.6	)

Results of operations

To aid the reader in understanding the results of operations of each of these distinctive periods, we have provided the following discussion. You should read the following discussion of the results of operations and financial condition with the unaudited consolidated financial statements and related notes included herein.

41

Results of Operations

The following table sets forth certain unaudited consolidated financial information for the periods ended September 30, 2013 and 2012 (in millions, except per share data and where noted):

	Three months ended September 30,						Nine months ended September 30,
	2013			2012			2013			2012
	$			$			$			$
Statements of operations data:
Sales	339.9			336.8			1,030.3			1,062.0
Operating costs and expenses:
Cost of sales	333.3			323.3			973.1			959.4
Selling, general and administrative expenses	23.7			24.3			69.8			64.8
Total operating costs and expenses	357.0			347.6			1,042.9			1,024.2
Operating income (loss)	(17.1		)	(10.8		)	(12.6		)	37.8
Other (income) expense:
Interest expense, net	12.6			8.9			34.9			24.2
(Gain) loss on hedging activities, net	2.4			(25.4		)	—			(62.5		)
Debt refinancing expense	—			—			2.5			8.1
Total other (income) expense, net	15.0			(16.5		)	37.4			(30.2		)
Income (loss) before income taxes	(32.1		)	5.7			(50.0		)	68.0
Income tax expense (benefit)	(13.9		)	1.9			(20.1		)	22.7
Net income (loss)	(18.2		)	3.8			(29.9		)	45.3
Net income (loss) per common share:
Basic	$	(0.27	)	$	0.06		$	(0.44	)	$	0.67
Diluted	$	(0.27	)	$	0.05		$	(0.44	)	$	0.66
Weighted-average common shares outstanding:
Basic	68.01			67.68			67.90			67.49
Diluted	68.01			69.12			67.90			69.10
Cash dividends declared per common share	$	0.04		$	0.04		$	0.12		$	1.37
External sales by segment:
Bauxite	11.1			13.6			33.8			37.3
Alumina	49.5			48.6			142.9			162.1
Primary Aluminum	133.4			129.1			408.6			413.1
Flat-Rolled Products	145.9			145.5			445.0			449.5
Total	339.9			336.8			1,030.3			1,062.0
Segment profit (loss):
Bauxite	2.3			0.3			7.2			3.9
Alumina	3.9			1.8			10.8			29.2
Primary Aluminum	(1.1		)	3.1			37.0			51.9
Flat-Rolled Products	13.6			12.0			41.6			41.1
Corporate	(7.5		)	(7.3		)	(24.3		)	(22.3		)
Eliminations	(0.2		)	0.2			—			—
Total	11.0			10.1			72.3			103.8
Financial and other data:
Average realized Midwest transaction price (per pound)	$	0.92		$	0.96		$	0.97		$	1.01
Net Cash Cost (per pound shipped)	$	0.89		$	0.92		$	0.84		$	0.81
Shipments:
External shipments:
Bauxite (kMts)	466.0			666.1			1,429.1			1,676.9
Alumina (kMts)	159.8			150.7			448.0			479.0
Primary Aluminum (pounds, in millions)	127.4			120.0			373.3			369.1
Flat-Rolled Products (pounds, in millions)	99.9			97.6			295.9			292.8
Intersegment shipments:
Bauxite (kMts)	661.4			601.1			2,056.8			1,897.6
Alumina (kMts)	138.1			120.4			423.1			369.0
Primary Aluminum (pounds, in millions)	21.6			18.8			65.4			58.1

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Discussion of consolidated operating results for the three months ended September 30, 2013 compared to the three months ended September 30, 2012

Sales

Sales for the three months ended September 30, 2013 were $339.9 million compared to $336.8 million in the three months ended September 30, 2012, a increase of 0.9%. Higher volumes increased sales by $10.3 million, offset by a $7.2 million decrease from lower realized prices.

Sales to external customers from our Primary Aluminum segment increased to $133.4 million in the three months ended September 30, 2013 from $129.1 million in the three months ended September 30, 2012, driven primarily by increased volume.

• Our average realized MWTP for the three months ended September 30, 2013 was $0.92 per pound, compared to $0.96 per pound in the three months ended September 30, 2012. Lower realized prices for primary aluminum were partially offset by a price increase on fabricated rod and billet effective at the beginning of 2013.

• Higher external shipments from the Primary Aluminum segment increased external sales by $8.0 million in the three months ended September 30, 2013 compared to the three months ended September 30, 2012.

Sales to external customers from our Alumina segment in the three months ended September 30, 2013 were $49.5 million compared to $48.6 million in the three months ended September 30, 2012. Increased volumes improved external sales by $2.9 million offset by a $2.0 million decrease in sales due to lower LME-linked realized pricing.

Sales to external customers from our Bauxite segment in the three months ended September 30, 2013 were $11.1 million compared to $13.6 million in the three months ended September 30, 2012. External shipment volumes decreased 30.0%, resulting in a $4.1 million external sales decrease. We increased shipments to our Alumina segment during third quarter 2013 to raise bauxite inventory levels. Third quarter 2012 external shipments were unusually high due to second quarter 2012 shipping inefficiencies. Improved shipping operating efficiency regulated shipment patterns in 2013.

Sales to our external customers in our Flat-Rolled Products segment were $145.9 million during the three months ended September 30, 2013 compared to $145.5 million in the three months ended September 30, 2012. Increased volume increased external sales by $3.4 million, offset by the $3.0 million negative impact of lower LME prices.

Cost of sales

Cost of sales for the three months ended September 30, 2013 was $333.3 million compared to $323.3 million in the three months ended September 30, 2012. The increase in cost of sales was driven by higher natural gas prices and power costs, partially offset by lower raw material input costs.

Total cost of sales in the Primary Aluminum segment increased to $159.1 million for third quarter 2013 from $149.1 million for third quarter 2012. The increase primarily related to higher power costs which became effective at the beginning of 2013 and continued into third quarter 2013.

Total cost of sales in the Alumina segment was $85.6 million for third quarter 2013 compared to $83.1 million for third quarter 2012. The increase in cost of sales was primarily due to higher natural gas prices in third quarter 2013. Additionally, production volumes were higher in third quarter 2013 compared to third quarter 2012. In third quarter 2012, Alumina operations were adversely impacted by Hurricane Isaac.

Total cost of sales in the Bauxite segment was $27.6 million for third quarter 2013 compared to $32.3 million for third quarter 2012. Improved operating efficiency in our shipping operations resulted in lower demurrage costs in third quarter 2013.

Flat-Rolled Products segment cost of sales increased to $135.9 million for third quarter 2013 from $128.6 million for third quarter 2012. The increase related principally to additional LIFO expense recorded during the third quarter 2013 compared to third quarter 2012.

Selling, general and administrative expenses

Selling, general and administrative expenses in the three months ended September 30, 2013 were $23.7 million, compared to $24.3 million in the three months ended September 30, 2012. Selling, general and administrative expenses for the three months ended September 30, 2012 included $3.5 million in labor negotiation contingency costs related to renegotiating our collective bargaining agreement at our New Madrid smelter. In third quarter 2013, compensation expenses increased compared to third quarter 2012, due primarily to differences in the timing and amount of estimated accruals under our incentive compensation program.

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Operating income (loss)

Operating loss for the three months ended September 30, 2013 was $17.1 million compared to $10.8 million in the three months ended September 30, 2012. The decrease in operating income primarily related to the sales margin decline of $6.9 million, offset by a $0.6 milliondecrease in selling, general and administrative expenses.

Sales margin was $6.6 million for the three months ended September 30, 2013 compared to $13.5 million in the three months ended September 30, 2012. This decrease resulted from the unfavorable impacts of lower LME aluminum prices and lower external shipment volumes in the Bauxite segment.

Interest expense, net

Interest expense during third quarter 2013 increased to $12.6 million compared to $8.9 million in third quarter 2012. An increase in the outstanding Term B Loan and an increase in the interest rate on the AcquisitionCo Notes due 2019 compared to the AcquisitionCo Notes due 2015 contributed to the increase in interest expense. Our average outstanding indebtedness increased to $655.2 million in third quarter 2013 from $599.5 million in third quarter 2012.

(Gain) loss on hedging activities, net

Loss on hedging activities was $2.4 million in the three months ended September 30, 2013 compared to a gain on hedging activities of $25.4 million in the three months ended September 30, 2012. During the three months ended September 30, 2012, we reclassified $22.3 million of aluminum and natural gas hedge net gains from AOCI into earnings. There were no remaining derivative gains or losses on hedging activities in AOCI to reclassify into earnings during the three months ended September 30, 2013.

Income (loss) before income taxes

Loss before income taxes was $32.1 million in the three months ended September 30, 2013, compared to income before income taxes of $5.7 million in the three months ended September 30, 2012. The special items outlined below impacted the comparability of our pre-tax income (in millions):

	Three months ended September 30,
	2013		2012
	$		$
	Increase (decrease) to net income
Special items:
Modification of stock options	—		0.1
Labor negotiation contingency cost (1)	—		(3.5	)
Gain (loss) on hedging activities	(2.4	)	25.4
Total special items (pre-tax)	(2.4	)	22.0

⁽¹⁾ In third quarter 2012, we incurred $3.5 million of contingency costs related to assembling a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter.

Income tax expense (benefit)

Income tax benefit was $13.9 million in the three months ended September 30, 2013, compared to income tax expense of $1.9 million in the three months ended September 30, 2012.

Our effective income tax rate was approximately 43.3% for the three months ended September 30, 2013 and 33.3% for the three months ended September 30, 2012. The effective income tax rate for the three months ended September 30, 2013 was primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and a foreign deferred tax asset valuation allowance. In regards to state income taxes, our effective income tax rate for the three months ended September 30, 2013 was impacted by enacted changes in state income tax laws which affected apportionment methods and income tax rates in certain states. As a result of these changes, we recorded a $3.7 million discrete income tax benefit for the three months ended September 30, 2013. The effective income tax rate for the three months ended September 30, 2012 was primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and accrued interest related to unrecognized tax benefits.

Net income (loss)

Net loss was $18.2 million in the three months ended September 30, 2013, compared to net income of $3.8 million in the three months ended September 30, 2012. The decrease in net income resulted from a $6.3 milliondecrease in operating income, a $27.8 milliondecrease in gain on hedging activities, and a $3.7 millionincrease in interest expense, offset by a $15.8 milliondecrease in income tax expense.

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Discussion of quarterly segment results

Bauxite

Bauxite segment sales, including intersegment sales, for the three months ended September 30, 2013 were $30.9 million, compared to $33.6 million for the three months ended September 30, 2012. Volume decreases of $4.1 million were offset by realized pricing increases of $1.6 million. During third quarter 2012, shipments were higher due to shipping inefficiencies during second quarter 2012. Improved operating efficiency in the shipping operations has led to reduced demurrage costs and improved segment profit for the three months ended September 30, 2013 compared to the three months ended September 30, 2012.

Segment profit in the three months ended September 30, 2013 was $2.3 million compared to $0.3 million in the three months ended September 30, 2012. Improved operating efficiency in the segment's shipping operations, led to a more favorable mix between internal and external shipments, lowered demurrage costs and improved segment performance in third quarter 2013 compared to third quarter 2012.

Alumina

Alumina segment sales, including intersegment sales, for the three months ended September 30, 2013 were $85.2 million compared to $80.6 million for the three months ended September 30, 2012. This increase is primarily related to higher internal and external shipments.

Segment profit in the three months ended September 30, 2013 was $3.9 million compared to $1.8 million in the three months ended September 30, 2012. Compared to third quarter 2012, our Alumina third quarter 2013 segment profit reflected the $3.4 million negative impact on internal and external revenues from lower LME-indexed alumina prices combined with natural gas cost increases. Lower bauxite purchase prices combined with improvement in fixed cost absorption and more reliable operations offset some of the pricing and natural gas cost impact. A change in the basis for the estimated market price of bauxite assumed in the Alumina segment's lower of cost or market adjustment reduced the inventory reserve by $1.3 million, favorably impacting segment profit in the three months ended September 30, 2013. Third quarter 2012 Alumina segment results were also negatively affected by Hurricane Isaac.

Primary Aluminum

Primary Aluminum segment sales, including intersegment sales, increased to $153.0 million in the three months ended September 30, 2013 from $147.2 million in the three months ended September 30, 2012.

• The average realized MWTP decreased 4.2% in the three months ended September 30, 2013 compared to the three months ended September 30, 2012. The net impact of higher fabrication premiums and lower average realized MWTP decreased Primary Aluminum segment revenue by approximately $5.0 million in the three months ended September 30, 2013 compared to the three months ended September 30, 2012.

• A 7.3%increase in total primary aluminum shipments increased segment revenue by approximately $10.8 million comparing third quarter 2013 to third quarter 2012.

Segment loss in the three months ended September 30, 2013 was $1.1 million compared to segment profit of $3.1 million in the three months ended September 30, 2012. The decrease in segment profit reflected the impact of lower LME aluminum prices and higher power costs, offset in part by more favorable raw materials prices for alumina.

Flat-Rolled Products

Sales in our Flat-Rolled Products segment were $145.9 million in the three months ended September 30, 2013 compared to $145.5 million in the three months ended September 30, 2012. Increased volume in third quarter 2013 contributed $3.4 million which was partially offset by lower pricing of $3.0 million.

Segment profit in three months ended September 30, 2013 was $13.6 million compared to $12.0 million in the three months ended September 30, 2012. Compared to the third quarter 2012, segment profit improved due to higher volume and effective management of production costs.

Corporate

Corporate expenses were approximately $0.2 million higher in the three months ended September 30, 2013 compared to the three months ended September 30, 2012, due primarily to differences in the timing and amount of estimated accruals under our incentive compensation program.

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Discussion of consolidated operating results for the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012

Sales

Sales for the nine months ended September 30, 2013 were $1,030.3 million compared to $1,062.0 million in the nine months ended September 30, 2012, a decrease of 3.0%. Of the decrease in sales, $25.2 million was attributable to lower realized prices. The remaining $6.5 milliondecrease in sales was mainly attributable to lower alumina external sales volumes in the first quarter 2013 as a result of directing more alumina to our Primary Aluminum segment in order to restock the supply chain. Since the first quarter, inventory levels have returned to sustainable production levels in the supply chain. Strong demand in the Primary and Flat Rolled segments have helped offset Bauxite and Alumina decreased external sales volume.

Sales to external customers from our Primary Aluminum segment decreased 1.1% to $408.6 million for the nine months ended September 30, 2013 from $413.1 million in the nine months ended September 30, 2012, driven primarily by lower LME prices.

• Our average realized MWTP for the nine months ended September 30, 2013 was $0.97 per pound, compared to $1.01 per pound during the nine months ended September 30, 2012.

• The 1.1% increase in external shipments from the Primary Aluminum segment increased external sales by $4.7 million in the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012.

Sales to external customers from our Alumina segment in the nine months ended September 30, 2013 were $142.9 million compared to $162.1 million in the nine months ended September 30, 2012. This decrease is primarily attributable to restocking the internal supply chain in the first quarter 2013 as described above.

Sales to external customers from our Bauxite segment in the nine months ended September 30, 2013 were $33.8 million compared to $37.3 million in the nine months ended September 30, 2012. External shipment volumes decreased 14.8% resulting in a $5.5 million unfavorable impact to revenues while pricing was favorable by $2.0 million.

Sales to our external customers in our Flat-Rolled Products segment were $445.0 million during the nine months ended September 30, 2013 compared to $449.5 million in the nine months ended September 30, 2012. Lower pricing during the nine months ended September 30, 2013decreased revenue by $9.3 million, partially offset by $4.8 million of increased revenue due to higher shipment volumes.

Cost of sales

Cost of sales for the nine months ended September 30, 2013 was $973.1 million compared to $959.4 million in the nine months ended September 30, 2012. The increase in cost of sales is mainly the result of higher natural gas prices and power costs, offset by lower raw material input costs.

Total cost of sales in the Primary Aluminum segment increased to $453.4 million for the nine months ended September 30, 2013 from $436.1 million for the nine months ended September 30, 2012. The increase primarily related to higher power costs during the nine months ended September 30, 2013.

Total cost of sales in the Alumina segment was $259.1 million for the nine months ended September 30, 2013 compared to $250.5 million for the nine months ended September 30, 2012. The increase in cost of sales was primarily due to higher natural gas prices in the nine months ended September 30, 2013.

Total cost of sales in the Bauxite segment was $87.0 million for the nine months ended September 30, 2013 compared to $92.2 million for the nine months ended September 30, 2012. Improved operating efficiency in our shipping operations resulted in lower demurrage costs in the nine months ended September 30, 2013.

Flat-Rolled Products segment cost of sales increased to $414.0 million for the nine months ended September 30, 2013 from $406.3 million for the nine months ended September 30, 2012. The increase related principally to additional LIFO expense recorded during the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012.

Selling, general and administrative expenses

Selling, general and administrative expenses in the nine months ended September 30, 2013 were $69.8 million, compared to $64.8 million in the nine months ended September 30, 2012. The majority of the $5.0 millionincrease is due to $4.5 million gain on sale of idle mill equipment realized in second quarter 2012 and increased compensation and advisory expenses for the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012.

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Operating income (loss)

Operating loss in the nine months ended September 30, 2013 was $12.6 million compared to operating income of $37.8 million in the nine months ended September 30, 2012. The decrease in operating income related primarily to the sales margin decline of $45.4 million coupled with the $5.0 millionincrease in selling, general and administrative expenses discussed above.

Sales margin was $57.2 million for the nine months ended September 30, 2013 compared to $102.6 million in the nine months ended September 30, 2012. This decrease resulted from the unfavorable impacts of lower LME aluminum prices and lower external shipment volume in the Bauxite and Alumina segments.

Interest expense, net

Interest expense during nine months ended September 30, 2013 increased to $34.9 million compared to $24.2 million for the nine months ended September 30, 2012. An increase in the outstanding Term B Loan and an increase in the interest rate on the AcquisitionCo Notes due 2019 compared to the AcquisitionCo Notes due 2015 contributed to the increase in interest expense. As part of the 2013 Refinancing, we paid $1.1 million of interest on the AcquisitionCo Notes due 2015 for the period after the AcquisitionCo Notes due 2015 were called for redemption and the related indenture discharged, but prior to the actual redemption thereof. Our average outstanding indebtedness increased to $627.3 million during the nine months ended September 30, 2012 from $565.2 million in the nine months ended September 30, 2012.

Gain on hedging activities, net

We had no gain on hedging activities in the nine months ended September 30, 2013 compared to $62.5 million in the nine months ended September 30, 2012. Reclassifications of aluminum and natural gas hedge gains and losses from AOCI into earnings in the nine months ended September 30, 2013 were $6.4 million compared to $64.3 million in the nine months ended September 30, 2012. As of September 30, 2013, there were no remaining derivative gains or losses on hedging activities in AOCI.

Debt refinancing expense

In the nine months ended September 30, 2013, we recorded debt refinancing expense of $2.5 million related to the 2013 Refinancing representing the write-off of deferred financing costs and third-party fees related to the AcquisitionCo Notes due 2015. In the nine months ended September 30, 2012, we recorded debt refinancing expense of $8.1 million related to the refinancing of our credit facilities at that time, comprising $5.7 million of creditor fees related to the new senior secured credit facilities and $2.4 million of deferred financing fees related to existing senior secured credit facilities.

Income (loss) before income taxes

Loss before income taxes was $50.0 million in the nine months ended September 30, 2013, compared to income before income taxes of $68.0 million in the nine months ended September 30, 2012. The special items outlined below impacted the comparability of our pre-tax income (in millions):

	Nine months ended September 30,
	2013		2012
	$		$
	Increase (decrease) to net income
Special items:
Transaction costs (1)	(2.5	)	(8.6	)
Modification of stock options (2)	—		(1.0	)
Gain on sale of idle mill equipment	—		4.5
Gain on hedging activities	—		62.5
Labor negotiation contingency cost (3)	—		(3.5	)
Total special items (pre-tax)	(2.5	)	53.9

⁽¹⁾  Includes, for the nine months ended September 30, 2013, debt refinancing expense representing the write-off of deferred financing fees and third party fees related to the AcquisitionCo Notes due 2015. Includes, for the nine months ended September 30, 2012, $8.1 million of costs related to the 2012 Refinancing and the tender offer, including creditor and third-party fees as well as the write-off of deferred financing fees. This amount also includes $0.5 million of costs related to the public secondary offering of 10 million shares of our common stock by Apollo.

⁽²⁾  During the nine months ended September 30, 2012, holders of stock options, service-vesting restricted stock and restricted stock units were paid cash for the $1.25 per share supplemental dividend. We accelerated $1.2 million of share-based payment compensation expense in connection with this award modification. Share-based payment compensation cost related to the modified awards of $0.4 million would have been recognized ratably throughout second, third and fourth quarter 2012 had the modification not occurred.

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⁽³⁾  In third quarter 2012, we incurred $3.5 million of contingency costs related to assembling a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter.

Income tax expense (benefit)

Income tax benefit was $20.1 million in the nine months ended September 30, 2013, compared to income tax expense of $22.7 million in the nine months ended September 30, 2012.

Our effective income tax rate was approximately 40.2% for the nine months ended September 30, 2013 and 33.4% for the nine months ended September 30, 2012. The effective income tax rate for the nine months ended September 30, 2013 was primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and a foreign deferred tax asset valuation allowance. In regards to state income taxes, our effective income tax rate for the nine months ended September 30, 2013 was impacted by enacted changes in state income tax laws which affected apportionment methods and income tax rates in certain states. As a result of these changes, we recorded a $3.7 million discrete income tax benefit for the nine months ended September 30, 2013. The effective tax rate for the nine months ended September 30, 2012 was primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and accrued interest related to unrecognized tax benefits.

Net income (loss)

Net loss was $29.9 million in the nine months ended September 30, 2013, compared to net income of $45.3 million in the nine months ended September 30, 2012. The decrease in net income resulted from a $50.4 milliondecrease in operating income, a $62.5 milliondecrease in gain on hedging activities, and a $10.7 millionincrease in interest expense, offset by a $5.6 million decrease in debt refinancing expense and a $42.8 milliondecrease in income tax expense.

Discussion of year-to-date segment results

Bauxite

Bauxite segment sales, including intersegment sales, for the nine months ended September 30, 2013 were $96.5 million, compared to $99.1 million for the nine months ended September 30, 2012. A 2.5%decrease in Bauxite shipments resulted in a decrease in segment revenue of $2.6 million.

Segment profit in the nine months ended September 30, 2013 was $7.2 million compared to $3.9 million in the nine months ended September 30, 2012. Compared to nine months ended September 30, 2012, segment profit for the nine months ended September 30, 2013 reflected the positive impact of improved operating efficiency in the segment's shipping operations, which led to a more favorable mix between internal and external shipments and to lower demurrage costs.

Alumina

Alumina segment sales, including intersegment sales, for the nine months ended September 30, 2013 were $258.4 million compared to $268.3 million for the nine months ended September 30, 2012. This decrease is primarily related to lower aluminum prices and restocking our internal supply chain.

Segment profit in the nine months ended September 30, 2013 was $10.8 million compared to $29.2 million in the nine months ended September 30, 2012. Compared to the nine months ended September 30, 2012, our Alumina segment profit for the nine months ended September 30, 2013 reflected the $17.2 million negative impact on internal and external revenues, lower LME-indexed alumina prices, coupled with higher 2013 natural gas costs. A change in the basis for the estimated market price of bauxite assumed in the Alumina segment's lower of cost or market adjustment reduced the inventory reserve by $1.3 million, favorably impacting segment profit in the nine months ended September 30, 2013.

Primary Aluminum

Primary Aluminum segment sales, including intersegment sales, decreased to $470.8 million in the nine months ended September 30, 2013 from $471.3 million in the nine months ended September 30, 2012.

• The average realized MWTP decreased 4.0% in the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012. The net impact of higher fabrication premiums and lower average realized MWTP decreased Primary Aluminum segment revenue by approximately $13.2 million in the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012.

• A 2.7%increase in total primary aluminum shipments increased segment revenue by approximately $12.7 million comparing the nine months ended September 30, 2013 to the nine months ended September 30, 2012.

Segment profit in the nine months ended September 30, 2013 was $37.0 million compared to $51.9 million in the nine months ended September 30, 2012. The decrease in segment profit reflected the impact of lower LME aluminum prices and higher power costs, offset in part by more favorable raw materials prices for alumina.

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Flat-Rolled Products

Sales in our Flat-Rolled Products segment were $445.0 million in the nine months ended September 30, 2013 compared to $449.5 million in the the nine months ended September 30, 2012. Lower LME aluminum prices decreased revenue by $9.3 million, partially offset by the $4.8 million impact of increased shipments.

Segment profit in nine months ended September 30, 2013 was $41.6 million compared to $41.1 million in the nine months ended September 30, 2012. Compared to the nine months ended September 30, 2012, segment profit was relatively stable, as higher 2013 fabrication premiums partially offset the negative impact of metal timing losses and higher natural gas prices.

Corporate

Corporate expenses were approximately $2.0 million higher in the nine months ended September 30, 2013 compared to the nine months ended September 30, 2012, due primarily to differences in the timing and amount of estimated accruals under our incentive compensation program.

Liquidity and Capital Resources

Our primary sources of liquidity are available cash balances, cash provided by operating activities and available borrowings under our Revolver.

• At September 30, 2013, we had $63.9 million of cash and cash equivalents.

• In the nine months ended September 30, 2013, operating activities provided$40.8 million of cash.

• At September 30, 2013, the Revolver was undrawn and we had $34.6 million in outstanding letters of credit. Availability under the Revolver is subject to a calculated borrowing base. Because our Revolver Fixed-Charge Coverage Ratio was less than 1.0 to 1.0 as of September 30, 2013, we are effectively required to maintain at least $20.0 million of available borrowing capacity under our Revolver. This restriction will be removed when the ratio meets the required threshold. Our effective borrowing capacity was $120.0 million, calculated as of September 30, 2013.

During the nine months ended September 30, 2013, we completed the 2013 Refinancing, consisting of a private offering of $175.0 million aggregate principal amount of 11.0% AcquisitionCo Notes due 2019 and an additional $110.0 million of incremental Term B Loan borrowings. We used the net proceeds from the offering of the AcquisitionCo Notes due 2019 and the incremental Term B Loan to redeem the remaining $275.3 million aggregate principal amount of our outstanding AcquisitionCo Notes due 2015. The aggregate cash payment for the redemption, including fees, accrued and unpaid interest, was $280.2 million. We also entered into a second incremental Term B Loan of $50.0 million and an incremental asset-based revolving credit facility, consisting of $15.0 million in additional commitments on a "first-in, last-out" basis, under our existing asset-based revolving credit facility.

In addition to financing the working capital needs of our business, our primary continuing liquidity requirements are to (i) fund capital expenditures, (ii) meet debt service obligations (iii) meet pension funding requirements and (iv) pay dividends. Based on our current level of operations, we believe the combination of cash flow from operations and available cash and borrowings will be adequate to meet our short-term liquidity needs. Our ability to make scheduled payments of principal, pay interest on, or to refinance our indebtedness, to pay dividends or to fund planned capital expenditures, will depend on our ability to generate cash in the future. This ability is, to a certain extent, subject to general economic, financial, competitive, legislative, regulatory, and other factors that are beyond our control.

In December 2012, we entered into a financing agreement with a third party which allows us to borrow a maximum of $20.0 million during 2013 to fund capital improvements at our St. Ann bauxite mining operation to increase our shipping capacity. As of September 30, 2013, this line of credit was undrawn. We are required to repay any funds drawn in 2013 in 24 equal monthly installments beginning in January 2014.

The following table sets forth unaudited condensed consolidated cash flow information for the periods indicated (in millions):

	Nine months ended September 30,
	2013		2012
	$		$
Cash provided by (used in) operating activities	40.8		(13.8	)
Cash used in investing activities	(54.8	)	(55.0	)
Cash provided by financing activities	41.8		60.0
Change in cash and cash equivalents	27.8		(8.8	)

49

Operating activities

Operating activities provided$40.8 million of cash in the nine months ended September 30, 2013 compared to $13.8 millionused in the nine months ended September 30, 2012. In the nine months ended September 30, 2013, we produced $72.3 million of Adjusted EBITDA, comprised solely of segment profit. Adjusted EBITDA is defined and discussed under the following "Covenant Compliance and Financial Ratios" section. We had no cash payments on natural gas hedges.

As summarized in the table below, the variability in operating cash flow is driven primarily by different levels of segment profit and seasonal working capital changes in each of the quarters (in millions):

	Nine months ended September 30,
(in millions)	2013			2012
	$			$
Segment profit	$	72.3		$	103.8
Gas hedges	—			(29.7		)
Prepaid expenses and other	4.7			(27.1		)
Interest paid	(24.6		)	(19.9		)
Taxes paid	(6.1		)	(32.5		)
Operating working capital	(5.5		)	(8.4		)
Cash provided by (used in) operating activities	$	40.8		$	(13.8	)

Investing activities

Capital expenditures were $55.7 million in the nine months ended September 30, 2013 and $59.8 million in the nine months ended September 30, 2012.

Purchases of property, plant and equipment accrued in accounts payable and not yet paid were $2.2 million and $8.3 million for the nine months ended September 30, 2013 and 2012, respectively, and are not reflected as capital expenditures in the unaudited consolidated statements of cash flows.

We evaluate spending on capital growth projects on an ongoing basis, taking into consideration the specific benefit, scope and timing of each project, as well as overall market conditions, including the LME aluminum price, and our future liquidity expectations.

On February 20, 2013, we announced plans to extend the harbor dredging project from $11 million to up to $20 million. The additional investment was to expand the scope of the dredging project to include improvements in railing infrastructure used in our bauxite mining operation. We spent $3.1 million on the dredging project during the nine months ended September 30, 2013. We expect to substantially complete the dredging project by the end of 2013.

In July 2012, we announced a project to invest $45 million to build a new rod mill at our facility in New Madrid, Missouri, the scope of which includes infrastructure development and construction of a new, state-of-the-art mill to produce redraw rod. The new rod mill will increase the facility's redraw rod production capacity by 220 million pounds, increasing the facility's total redraw rod production capacity to 375 million pounds per year. We have already begun to obtain customer commitments for a significant portion of the additional capacity. We anticipate the rod mill to start production in the second quarter of 2015.

In April 2013, we entered into a financing arrangement with a third party to finance the off-site construction of the rod production line, which comprises certain machinery, equipment and other components. Pursuant to the terms of the third party arrangement, upon delivery of the production line to our facility, we will repay the third party for amounts paid to the construction company throughout the construction phase, plus interest and fees, and assume any remaining payments. We anticipate delivery of the rod production line in September 2014. Total payments related to the construction of the rod production line are expected to be approximately €11.5 million in the aggregate, however the amount and timing of the payments are subject to variability due to the progression of the construction.

During late 2010, we re-launched a project to expand the aluminum production capacity at our New Madrid smelter at a remaining cost of $38.0 million. The project involves a combination of additional rectifiers and upgraded equipment allowing for increased aluminum production up to 35.0 million pounds ("the Rectifier Project"). The Rectifier Project has the added benefit of greater efficiency and reliability through upgrades and redundancy of equipment. We expect efficiency gains and reliability improvements to be achieved as rectifiers and equipment upgrades are installed, independent of any increase in production level. During second quarter 2013, we reduced our planned 2013 spending on the Rectifier project from $6 million to approximately $1.2 million. The timing of the remaining spending is dependent on overall market conditions, including the LME aluminum price, and the resolution of environmental permitting and sulfur dioxide emissions regulations.

Financing activities

During the nine months ended September 30, 2013, our financing cash flows mainly reflected the 2013 Refinancing.

We recorded debt refinancing expense of $2.5 million related to the 2013 Refinancing. In addition, we declared and paid $8.2 million in regular quarterly dividends.

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On October 30, 2013, the Board declared a regular quarterly dividend of $0.01 per share to be paid on December 5, 2013 to shareholders of record as of November 12, 2013. Cash payments related to this dividend will total approximately $0.7 million. Changes in our financial condition and cash needs could result in future dividends being declared in different amounts, or not at all.

Covenant Compliance and Financial Ratios

The agreements governing our senior secured credit facilities and the indenture governing the AcquisitionCo Notes do not require us to maintain any financial performance metric or ratio in order to avoid a default (subject, in the case of our senior secured revolving credit facility, to our maintaining minimum availability thereunder). However, such agreements do restrict Noranda AcquisitionCo's and its subsidiaries' ability, among other things, to (i) incur additional indebtedness; (ii) declare or pay dividends or make other distributions or repurchase or redeem our capital stock; (iii) make investments; (iv) sell assets, including capital stock of subsidiaries; (v) enter into agreements restricting our subsidiaries' ability to pay dividends; (vi) consolidate, merge, sell or otherwise dispose of all or substantially all of our assets; (vii) enter into transactions with our affiliates; (viii) incur liens and (ix) engage in certain business activities. Further certain covenants contained in the agreements governing our senior secured credit facilities and the indenture governing our AcquisitionCo Notes condition our ability to take certain actions on our ability meet certain ratios including, among others:(i) the ratio of our Adjusted EBITDA, calculated on a trailing four-quarter basis, to our fixed charges (the "Fixed-Charge Coverage Ratio") or (ii) the ratio of our Adjusted EBITDA, calculated on a trailing four-quarter basis and subtracting certain cash payments, including certain taxes, capital expenditures and dividends, to our fixed charges (the "Revolver Fixed-Charge Coverage Ratio") or (iii) the ratio of our senior first-lien secured net debt to our Adjusted EBITDA, calculated on a trailing four-quarter basis (the "Net Senior Secured Leverage Ratio"). The actions which could be restricted include incurring additional secured or unsecured debt, expanding borrowings under existing term loan facilities, paying dividends, engaging in mergers, acquisitions and certain other investments, and retaining proceeds from asset sales. Upon the occurrence of certain events, such as a change of control, we could be required to repay or refinance our indebtedness. Furthermore, our ability to take certain actions, including paying dividends and making acquisitions and certain other investments, depends on the amounts available for such actions under the applicable covenants, which amounts accumulate with reference to our Adjusted EBITDA, or our Consolidated Net Income (each as defined in our debt agreements), on a quarterly basis.

Certain of the minimum or maximum ratio levels set forth in our covenants as conditions to our undertaking certain actions and our actual performance are summarized below:

		Requirements	Actual as of
			September 30, 2013	December 31, 2012
AcquisitionCo Notes (1)	Fixed Charge Coverage Ratio	Minimum 2.0 to 1.0	1.8 to 1.0	2.8 to 1.0
Revolver (2)	Revolver Fixed Charge Coverage Ratio	Minimum 1.0 to 1.0	--	--
Term B Loan and Revolver (3)	Total Net Senior First Lien Secured Leverage Ratio	Maximum 2.25 to 1.0	4.3 to 1.0	2.9 to 1.0

⁽¹⁾  For Noranda AcquisitionCo, fixed charges on a pro forma basis (giving effect to debt repayments) for the four quarters ended September 30, 2013 and the year ended December 31, 2012 were $52.3 million and $35.2 million, respectively.

⁽²⁾  As defined in the credit agreement governing our Revolver, fixed charges for the four quarters ended September 30, 2013 and the year ended December 31, 2012 were $46.6 million and $33.6 million, respectively. For the four quarters ended September 30, 2013 and the year ended December 31, 2012, our Revolver Fixed-Charge Coverage Ratio was less than 1.0 to 1.0.

⁽³⁾  As used in calculating this ratio, "senior first-lien secured net debt" means the amount outstanding under the Term B Loan and the Revolver and any debt secured by a first priority lien on assets of Noranda AcquisitionCo and/or any of its subsidiaries, less "unrestricted cash" and "permitted investments" (as defined under our Senior Secured Credit Facilities) up to a cap of $100.0 million. At September 30, 2013 and December 31, 2012, senior first lien secured debt was $479.0 million and $322.6 million, respectively, and unrestricted cash and permitted investments were $63.6 million and $35.8 million, respectively, resulting in senior first lien secured net debt of $415.4 million and $286.8 million, respectively.

Because we did not satisfy certain financial ratio levels relevant to these covenants as of September 30, 2013, we may be limited in our ability to expand borrowings under existing term loan facilities, incur additional secured or unsecured debt, make acquisitions or certain other investments, or engage in mergers and pay dividends. These restrictions do not interfere with the day-to-day-conduct of our business. Based on our debt agreement provisions pertaining to dividends, we do not expect these restrictions to affect our ability to continue paying a quarterly dividend in the foreseeable future, although our Board of Directors retains the ability to change the amount of such dividends, including the right not to declare any such dividends.

Because our Revolver Fixed-Charge Coverage Ratio was less than 1.0 to 1.0 as of September 30, 2013, we must maintain at least $20.0 million of available borrowing capacity under our Revolver. Our debt agreements do not otherwise require us to maintain any financial performance metric or ratio in order to avoid a default.

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Management uses "Adjusted EBITDA" as a liquidity measure in respect of the Fixed-Charge Coverage Ratio, the Revolver Fixed-Charge Coverage Ratio and the Net Senior Secured Leverage Ratio, as defined in our debt agreements. As used herein, Adjusted EBITDA means net income before income taxes, net interest expense and depreciation and amortization, adjusted to eliminate certain non-cash expenses and other specified items of income or expense as outlined below (in millions):

	Three months ended September 30,				Nine months ended September 30,				Twelve months ended
	2013		2012		2013		2012		September 30, 2013		December 31, 2012
	$		$		$		$		$		$
Adjusted EBITDA	11.0		0.5		72.3		74.1		95.1		96.9
Last in, first out and lower of cost or market inventory adjustments (a)	1.1		10.0		(1.1	)	14.3		(5.7	)	9.7
Gain (loss) on disposal of assets	(1.6	)	(1.2	)	(2.2	)	1.4		1.4		5.0
Non-cash pension, accretion and stock compensation	(5.1	)	(4.0	)	(14.7	)	(13.1	)	(19.1	)	(17.5	)
Relocation and severance	(0.8	)	(0.1	)	(1.9	)	(0.5	)	(2.3	)	(0.9	)
Consulting fees	—		(0.2	)	(0.4	)	(0.7	)	(0.4	)	(0.7	)
Debt refinancing expense	—		—		(2.5	)	(8.1	)	(2.5	)	(8.1	)
Non-cash derivative gains (b)	0.5		37.4		6.6		99.1		34.2		126.7
Other, net	(0.3	)	(4.2	)	(0.3	)	(4.1	)	(1.1	)	(4.9	)
Depreciation and amortization	(24.3	)	(23.6	)	(70.9	)	(70.2	)	(99.2	)	(98.5	)
Interest expense, net	(12.6	)	(8.9	)	(34.9	)	(24.2	)	(43.8	)	(33.1	)
Income tax	13.9		(1.9	)	20.1		(22.7	)	17.7		(25.1	)
Net income (loss)	(18.2	)	3.8		(29.9	)	45.3		(25.7	)	49.5

^(a)  Our New Madrid smelter and our rolling mills use the LIFO method of inventory accounting for financial reporting and tax purposes. This adjustment restates net income to the FIFO method by eliminating LIFO expenses related to inventories held at the New Madrid smelter and the rolling mills. Product inventories at Gramercy and St. Ann and supplies inventories at New Madrid are stated at lower of weighted-average cost or market, and are not subject to the LIFO adjustment. We also reduce inventories to the lower of cost (adjusted for purchase accounting) or market value.

^(b)  We use derivative financial instruments to mitigate effects of fluctuations in aluminum and natural gas prices. This adjustment eliminates the non-cash gains and losses resulting from fair market value changes of aluminum swaps. Cash settlements (received) or paid, except settlements on hedge terminations, related to our derivatives are included in Adjusted EBITDA and are shown in the table below:

	Three months ended September 30,		Nine months ended September 30,		Twelve months ended
	2013	2012	2013	2012	September 30, 2013	December 31, 2012
	$	$	$	$	$	$
Variable price aluminum offset swaps and other	2.9	2.6	6.6	7.1	7.2	7.7
Natural gas swaps	—	9.6	—	29.7	8.1	37.8
Total	2.9	12.2	6.6	36.8	15.3	45.5

Adjusted EBITDA is not a measure of financial performance under U.S. GAAP, and may not be comparable to similarly titled measures used by other companies in our industry. Adjusted EBITDA should not be considered in isolation from or as an alternative to net income, income from continuing operations, operating income or any other performance measures derived in accordance with U.S. GAAP. Adjusted EBITDA has limitations as an analytical tool and you should not consider it in isolation or as a substitute for analysis of our results as reported under U.S. GAAP. For example, Adjusted EBITDA excludes certain tax payments that may represent a reduction in cash available to us; does not reflect any cash requirements for the assets being depreciated and amortized that may have to be replaced in the future; does not reflect capital cash expenditures, future requirements for capital expenditures or contractual commitments; does not reflect changes in, or cash requirements for, our working capital needs; and does not reflect the interest expense, or the cash requirements necessary to service interest or principal payments, on our indebtedness. Adjusted EBITDA also includes incremental stand-alone costs and adds back non-cash hedging gains and losses, and certain other non-cash charges that are deducted in calculating net income. However, these are expenses that may recur, vary greatly and are difficult to predict. In addition, certain of these expenses can represent the reduction of cash that could be used for other corporate purposes. You should not consider our Adjusted EBITDA as an alternative to operating income or net income, determined in accordance with U.S. GAAP, as an indicator of our operating performance, or as an alternative to cash flows from operating activities, determined in accordance with U.S. GAAP, as an indicator of our cash flows or as a measure of liquidity.

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The following table reconciles Adjusted EBITDA to cash flow from operating activities for the periods presented (in millions):

	Three months ended September 30,				Nine months ended September 30,				Twelve months ended
	2013		2012		2013		2012		September 30, 2013		December 31, 2012
	$		$		$		$		$		$
Adjusted EBITDA	11.0		0.5		72.3		74.1		95.1		96.9
Stock compensation expense	1.2		0.9		3.4		3.9		4.3		4.8
Changes in other assets	(0.2	)	(2.6	)	(2.5	)	(6.0	)	(6.8	)	(10.3	)
Changes in pension, other post-retirement liabilities and other long-term liabilities	3.6		(2.4	)	7.8		(1.3	)	13.8		4.7
Changes in current operating assets and liabilities	29.7		25.9		12.1		(22.9	)	40.4		5.4
Changes in current income taxes	(0.8	)	0.1		(3.0	)	(20.6	)	(9.9	)	(27.5	)
Changes in accrued interest	(11.9	)	(8.2	)	(32.9	)	(22.1	)	(41.1	)	(30.3	)
Non-cash pension, accretion and stock compensation	(5.1	)	(4.0	)	(14.7	)	(13.1	)	(19.1	)	(17.5	)
Restructuring, relocation and severance	(0.8	)	(0.1	)	(1.9	)	(0.5	)	(2.3	)	(0.9	)
Consulting and sponsor fees	—		(0.2	)	(0.4	)	(0.7	)	(0.4	)	(0.7	)
Other, net	(0.6	)	(5.4	)	0.6		(4.6	)	(0.5	)	(5.7	)
Cash flow provided by (used in) operating activities	26.1		4.5		40.8		(13.8	)	73.5		18.9

Disclosure Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act

Apollo Global Management, LLC ("Apollo") has provided notice to us that, as of October 24, 2013, certain investment funds managed by affiliates of Apollo beneficially owned approximately 22% of the limited liability company interests of CEVA Holdings, LLC ("CEVA"). Under the limited liability company agreement governing CEVA, certain investment funds managed by affiliates of Apollo hold a majority of the voting power of CEVA and have the right to elect a majority of the board of CEVA. CEVA may be deemed to be under common control with us, but this statement is not meant to be an admission that common control exists. As a result, it appears that we are required to provide disclosures as set forth below pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 ("ITRA") and Section 13(r) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

Apollo has informed us that CEVA has provided it with the information below relevant to Section 13(r) of the Exchange Act. The disclosure below does not relate to any activities conducted by us and does not involve us or our management. The disclosure relates solely to activities conducted by CEVA and its consolidated subsidiaries. We have not independently verified or participated in the preparation of the disclosure below.

"Through an internal review of its global operations, CEVA has identified the following transactions in an Initial Notice of Voluntary Self-Disclosure that CEVA filed with the U.S. Treasury Department Office of Foreign Assets Control ("OFAC) on October 28, 2013. CEVA’s review is ongoing. CEVA will file a further report with OFAC after completing its review.

The internal review indicates that, in December 2012, CEVA Freight Italy Srl ("CEVA Italy") provided customs brokerage and freight forwarding services for the export to Iran of two measurement instruments to the Iranian Offshore Engineering Construction Company, a joint venture between two entities that are identified on OFAC’s list of Specially Designated Nationals ("SDN"). The revenues and net profits for these services were approximately $1,260.64 USD and $151.30 USD, respectively. In February 2013, CEVA Freight Holdings (Malaysia) SDN BHD ("CEVA Malaysia") provided customs brokerage for export and local haulage services for a shipment of polyethylene resin to Iran shipped on a vessel owned and/or operated by HDS Lines, also an SDN. The revenues and net profits for these services were approximately $779.54 USD and $311.13 USD, respectively. In September 2013, CEVA Malaysia provided customs brokerage services for the import into Malaysia of fruit juice from Alifard Co. in Iran via HDS Lines. The revenues and net profits for these services were approximately $227.41 USD and $89.29 USD, respectively.

These transactions violate the terms of internal CEVA compliance policies, which prohibit transactions involving Iran. Upon discovering these transactions, CEVA promptly launched an internal investigation, and is taking action to block and prevent such transactions in the future. CEVA intends to cooperate with OFAC in its review of this matter."

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Item 3.    Quantitative and Qualitative Disclosures about Market Risk

There have been no material changes to the market risks disclosed in our Annual Report on Form 10-K, as filed on February 28, 2013.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Principal Financial Officers, has evaluated the effectiveness of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as of September 30, 2013. Based on such evaluation, our Chief Executive Officer and Principal Financial Officers have concluded that, as of the end of such period, our disclosure controls and procedures are effective.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d‑15(f) under the Exchange Act) during the quarter ended September 30, 2013 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II    OTHER INFORMATION

Item 1. Legal Proceedings

There have been no material changes to the description of our legal proceedings previously disclosed in our Annual Report on Form 10-K, as filed on February 28, 2013.

Item 1A.    Risk Factors

Other than below, there have been no material changes to the risk factors previously disclosed in our Annual Report on Form 10-K, as filed on February 28, 2013.

Aluminum prices could decrease due to proposed London Metal Exchange warehousing rules

The London Metal Exchange ("LME") has proposed new requirements to require metal warehouses, under certain conditions, to deliver out more aluminum than they take in. Increasing the aluminum supply in the market may decrease the LME aluminum price and Midwest premium. A prolonged downturn in primary aluminum prices and Midwest premiums could significantly reduce the amount of cash available to us to meet our current obligations and fund our long-term business strategies. Absent corresponding decreases in our raw material costs or productivity gains, our profit margins may suffer, which could materially and adversely affect our business, financial condition, results of operations and cash flows.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

None

Item 3. Defaults upon Senior Securities

None

Item 4. Mine Safety Disclosures

We believe ensuring the safety of our workforce is our number one accountability as an employer. We are committed to continuing and improving upon each facility’s focus on safety in the workplace. We have a number of safety programs in place, which include regular safety meetings and training sessions to teach proper safe work procedures.

Our executive management, along with site managers and union leadership, are actively involved in supporting and promoting the ongoing emphasis on workplace safety. Improvement in safety performance is a key metric used in determining annual incentive awards for our U.S. employees.

The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K is included in Exhibit 95.1 of this report, which is incorporated herein by reference.

Item 5.    Other Information

None.

Item 6. Exhibits

See the index to Exhibits

55

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on our behalf by the undersigned thereunto duly authorized.

	NORANDA ALUMINUM HOLDING CORPORATION
November 4, 2013	/S/ LAYLE K. SMITH
	Layle K. Smith Chief Executive Officer (Principal Executive Officer)

56

INDEX TO EXHIBITS

Exhibit number	Description
2.1	Stock Purchase Agreement, dated April 10, 2007, by and among Noranda Aluminum Acquisition Corporation, Noranda Finance, Inc. and Xstrata (Schweiz) A.G. (incorporated by reference to Exhibit 2.1 of Noranda Aluminum Holding Corporation’s Registration Statement on Form S-4 filed on January 31, 2008)
3.1	Amended and Restated Certificate of Incorporation of Noranda Aluminum Holding Corporation (incorporated by reference to Exhibit 4.1 of the Company’s Registration Statement on Form S-8 (File No. 333-166947), filed on May 19, 2010)
3.2	Amended and Restated By-Laws, of Noranda Aluminum Holding Corporation (incorporated by reference to Exhibit 4.2 of the Company’s Registration Statement on Form S-8 (File No. 333-166947), filed on May 19, 2010)
4.1	Indenture, dated as of March 8, 2013, by and among Noranda Aluminum Acquisition Corporation, the guarantors named therein, and U.S. Bank National Association, as Trustee (incorporated by reference to Exhibit 4.1 of the Company's quarterly report on Form 10-Q filed on April 29, 2013)
10.1	Incremental Amendment No. 1 to Credit Agreement, dated as of March 8, 2013, by and among Noranda Aluminum Acquisition Corporation, Bank of America, N.A., as Incremental Term Lender, Bank of America, N.A., as Administrative Agent for the Lenders and the Lenders party thereto (incorporated by reference to Exhibit 10.1 of the Company's Quarterly Report on Form 10-Q filed on April 29, 2013)
10.2	Incremental Amendment No. 2 to Credit Agreement, dated as of May 29, 2013, by and among Noranda Aluminum Acquisition Corporation, Bank of America, N.A., as Incremental Term Lender and Administrative Agent for the Lenders (incorporated by reference to Exhibit 10.2 of the Company's Quarterly Report on Form 10-Q filed on July 30, 2013)
10.3	ABL Incremental Assumption Agreement No. 1, dated as of May 15, 2013, among Noranda Aluminum Acquisition Corporation, each of its Subsidiaries identified therein, Bank of America, N.A., as Incremental Revolver Facility Lender and Administrative Agent (incorporated by reference to Exhibit 10.3 of the Company's Quarterly Report on Form 10-Q filed on July 30, 2013)
10.4	Letter Agreement, dated July 23, 2013 between Noranda Aluminum Holding Corporation and Robert B. Mahoney (incorporated by reference to Exhibit 99.1 of the Noranda Aluminum Holding Corporation's Current Report on Form 8-K filed on July 24, 2013)
10.5	Management Incentive Term Sheet, dated October 17, 2013 between Noranda Aluminum Holding Corporation and Dale W. Boyles (incorporated by reference to Exhibit 10.1 of the Noranda Aluminum Holding Corporation's Current Report on Form 8-K filed on October 23, 2013)
12.1	Computation of Ratio of Earnings to Fixed Charges
31.1	Chief Executive Officer Certification
31.2	Principal Financial Officer Certification
32.1	Certification of Chief Executive Officer and Principal Financial Officer
95.1	Mine Safety Disclosures
101. INS	XBRL Instance Document
101. SCH	XBRL Taxonomy Extension Schema Document
101. CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101. DEF	XBRL Taxonomy Extension Definition Linkbase Document
101. LAB	XBRL Taxonomy Extension Label Linkbase Document
101. PRE	XBRL Taxonomy Extension Presentation Linkbase Document

57

EX-12.1

Exhibit 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Three months ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Computation of earnings:
Income (loss) before income taxes	(32.1	)	5.7		(50.0	)	68.0
Plus: fixed charges	13.7		9.5		37.8		26.3
Less: capitalized interest	(0.4	)	(0.2	)	(1.2	)	(0.8	)
Earnings	(18.8	)	15.0		(13.4	)	93.5
Computation of fixed charges
Interest expense, net	12.6		8.9		34.9		24.2
Capitalized interest	0.4		0.2		1.2		0.8
Interest portion of operating lease expense	0.7		0.4		1.7		1.3
Fixed charges	13.7		9.5		37.8		26.3
Ratio of earnings to fixed charges	(a)		1.6		(a)		3.6
(a) Ratio is less than one; earnings are inadequate to cover fixed charges. The dollar amount of the coverage deficiency for the affected period is presented below.
	Three months ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Coverage deficiency - earnings to fixed charges	32.5		—		51.2		—

EX-31.1

Exhibit 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATION

I, Layle K. Smith, certify that:

1. I have reviewed this Quarterly Report on Form 10‑Q for the period ended September 30, 2013 of Noranda Aluminum Holding Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 4, 2013	/s/ Layle K. Smith
	Layle K. Smith
	Chief Executive Officer

EX-31.2

Exhibit 31.2

PRINCIPAL FINANCIAL OFFICER CERTIFICATION

I, John A. Parker and I, DeVonne L. Canady, certify that:

1. I have reviewed this Quarterly Report on Form 10‑Q for the period ended September 30, 2013 of Noranda Aluminum Holding Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

November 4, 2013	/s/ JOHN A. PARKER
	John A. Parker
	Vice President of Communication and Investor Relations
	(Principal Financial Officer) (1)
November 4, 2013	/s/ DEVONNE L. CANADY
	DeVonne L. Canady
	Vice President of Finance and Corporate Controller
	(Principal Financial Officer) (1)
(1) The certifying individuals are performing the functions of a Principal Financial Officer.

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

AND PRINCIPAL FINANCIAL OFFICERS

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES‑OXLEY ACT OF 2002

In connection with the Quarterly Report of Noranda Aluminum Holding Corporation (the “Company”) on Form 10‑Q for the period ended September 30, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Layle K. Smith, as Chief Executive Officer of the Company, and John A. Parker and DeVonne L. Canady, as Principal Financial Officers of the Company, each hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 4, 2013	/s/ Layle K. Smith
	Layle K. Smith
	Chief Executive Officer
November 4, 2013	/s/ JOHN A. PARKER
	John A. Parker
	Vice President of Communication and Investor Relations
	(Principal Financial Officer) (1)
November 4, 2013	/s/ DEVONNE L. CANADY
	DeVonne L. Canady
	Vice President of Finance and Corporate Controller
	(Principal Financial Officer) (1)
(1) The certifying individuals are performing the functions of a Principal Financial Officer.

EX-95.1

Exhibit 95.1

Dodd-Frank Act Disclosure of Mine Safety and Health Administration Safety Data

Under the Interagency Agreement dated March 29, 1979 between the Mine Safety and Health Administration ("MSHA"), the U.S. Department of Labor, and The Occupational Safety and Health Administration, alumina refineries are subject to MSHA jurisdiction. As a result, our Gramercy, LA alumina refinery is subject to regulation by the MSHA under the U.S. Federal Mine Safety and Health Act of 1977 (the “Mine Act”).

The MSHA inspects these facilities on a regular basis and issues various citations and orders when it believes a violation has occurred under the Mine Act. Whenever the MSHA issues a citation or order, it also generally proposes a civil penalty, or fine, related to the alleged violation. Citations or orders can be contested and appealed, and as part of that process, are sometimes reduced in severity and amount, and are sometimes dismissed.

Management believes the following mine safety disclosures meet the requirements of section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”).

Mine Safety Data

The table and other data below present mine safety information related to our alumina refinery in Gramercy, LA (MSHA ID No. 16-00352), as required by section 1503(a)(1) of the Dodd-Frank Act. The following data reflects citations and orders received from the MSHA during the three months ended September 30, 2013. All alleged violations have been abated and all citations have been or are being addressed.

	S&S Issued Section 104 S&S Citations 1(#)	Section104(b) Orders 2 (#)	Section104(d) Citations and Orders 3 (#)	Section110(b)(2) Violations 4 (#)	Section107(a) Orders 5 (#)	Total Dollar Value of MSHA Assess-ments Proposed ($ in millions)	Total Number of Mining Related Fatalities (#)	Received Notice of Pattern of Violations Under Section 104 (yes/no)	Received Notice of Potential to Have Pattern Under Section 104(e) (yes/no)	Legal Actions Pending as of Last Day of Period (#)	Legal Actions Initiated During Period (#)	Legal Actions Resolved During Period (#)
2013	8	—	—	—	—	—	—	No	No	2	—	1

⁽¹⁾  Represents the total number of citations issued under section 104 of the Mine Act, for violations of mandatory health or safety standards that could significantly and substantially contribute to a serious injury if left unabated.

⁽²⁾  Represents the total number of orders issued under section 104(b) of the Mine Act, which represents a failure to abate a citation under section 104(a) within the period prescribed by the MSHA.

⁽³⁾  Represents the total number of citations and orders issued under section 104(d) of the Mine Act for unwarrantable failure to comply with mandatory health or safety standards.

⁽⁴⁾  Represents the total number of flagrant violations identified under section 110(b)(2) of the Mine Act.

⁽⁵⁾  Represents the total number of imminent danger orders issued under section 107(a) of the Mine Act. This results in an order of immediate withdrawal from the area of the mine affected by the condition until the MSHA determines that the violation has been abated.

During the three months ended September 30, 2013, Noranda had no mining related fatalities. The Federal Mine Safety and Health Review Commission (the “Commission”) is an independent adjudicative agency that provides administrative trial and appellate review of legal disputes arising under the Mine Act. As of September 30, 2013, Noranda had two contest and/or civil penalty proceedings pending before the Commission.

XML

Non-Controlling Interest (Schedule of Balance Sheet Components Related to Non-Controlling Interest) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Noncontrolling Interest [Line Items]
Cash and cash equivalents	$ 63.9	$ 36.1	$ 36.1	$ 33.9	$ 42.7
Accounts receivable, net	105.7		106.6
Inventories, net	193.7		195.8
Other current assets	14.7		18.9
Property, plant and equipment, net	682.4		694.5
Other assets	93.4		96.1
Accounts payable	(98.0)		(107.2)
Accrued liabilities	(69.5)		(58.8)
Non-controlling interest	(6.0)		(6.0)
Subsidiary balances [Member]
Noncontrolling Interest [Line Items]
Cash and cash equivalents	0.2		1.7
Accounts receivable, net	14.6		15.4
Inventories, net	19.0		12.6
Other current assets	2.6		1.6
Property, plant and equipment, net	41.9		40.1
Other assets	5.0		5.0
Accounts payable	(67.1)		(58.3)
Accrued liabilities	(3.6)		(3.8)
Environmental, land and reclamation liabilities	(0.7)		(2.4)
Non-controlling interest	(6.0)		(6.0)
Total net investment and advances to subsidiary	5.9		5.9
Impact of eliminations [Member]
Noncontrolling Interest [Line Items]
Cash and cash equivalents	0		0
Accounts receivable, net	(14.6)		(15.4)
Inventories, net	0		0
Other current assets	0		0
Property, plant and equipment, net	0		0
Other assets	0		0
Accounts payable	55.5		49.2
Accrued liabilities	0		0
Environmental, land and reclamation liabilities	0		0
Non-controlling interest	0		0
Total net investment and advances to subsidiary	40.9		33.8
Impact on consolidated balances [Member]
Noncontrolling Interest [Line Items]
Cash and cash equivalents	0.2		1.7
Accounts receivable, net	0		0
Inventories, net	19.0		12.6
Other current assets	2.6		1.6
Property, plant and equipment, net	41.9		40.1
Other assets	5.0		5.0
Accounts payable	(11.6)		(9.1)
Accrued liabilities	(3.6)		(3.8)
Environmental, land and reclamation liabilities	(0.7)		(2.4)
Non-controlling interest	(6.0)		(6.0)
Total net investment and advances to subsidiary	$ 46.8		$ 39.7

XML

Shareholders' Equity Shareholders Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Mar. 03, 2008
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Net of Dividends			$ 7.0
Common stock, shares subject to redemption	0	200,000	200,000
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Per Share Value, Amount			$ 10.00
Common stock subject to redemption	0	2.0	2.0
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount			7.5
Common Stock [Member]
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Common stock subject to redemption	$ 2.0

XML

Share-Based Payments (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended					9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Mar. 31, 2012 Supplemental Dividend [Member]	Sep. 30, 2013 Regular Quarterly Dividend [Member]	Jun. 30, 2013 Regular Quarterly Dividend [Member]	Mar. 31, 2013 Regular Quarterly Dividend [Member]	Mar. 31, 2012 Share-Based Award Holders [Member] Supplemental Dividend [Member]	Sep. 30, 2013 Share-Based Award Holders [Member] Supplemental Dividend [Member]	Dec. 31, 2012 Share-Based Award Holders [Member] Supplemental Dividend [Member]	Sep. 30, 2013 Service Vesting Awards [Member] Restricted Stock Units (RSUs) [Member]	Dec. 31, 2012 Service Vesting Awards [Member] Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Employee And Non Employee Director [Member]	Dec. 31, 2012 Employee And Non Employee Director [Member]	Sep. 30, 2013 Employee And Non Employee Director [Member] Performance Vesting Awards Target [Member] Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Employee And Non Employee Director [Member] Performance Vesting Awards Target [Member] Performance Shares [Member]	Sep. 30, 2013 Employee And Non Employee Director [Member] Service Vesting Awards [Member] Restricted Stock Units (RSUs) [Member]	Sep. 30, 2013 Investor Director Provider [Member]	Dec. 31, 2012 Investor Director Provider [Member]
Share-based compensation disclosure [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price															$ 1.92	$ 1.89				$ 9.00	$ 9.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value																	$ 0	$ 512,988.00	$ 4.20
Estimated forfeiture rate			0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights														P3Y
Percentage to vest on first anniversary of grant date													25.00%
Percentage to vest on second anniversary of grant date													25.00%
Percentage to vest on third anniversary of grant date													50.00%
Common Stock, Dividends, Per Share, Cash Paid			$ 0.12				$ 0.04	$ 0.04	$ 0.04	$ 1.25	$ 0.00	$ 1.25
Share-based compensation expense	$ 1.3	$ 0.9	$ 3.4	$ 3.9		$ 1.2
Unrecognized stock compensation expense related to non-vested share-based awards	4.1		4.1
Weighted-average period when unrecognized stock compensation expense will be recognized			1 year 3 months
Restricted stock unit liability awards, current	$ 0		$ 0		$ 0.1

XML

Asset Retirement and Other Obligations (Footnote)

9 Months Ended

Sep. 30, 2013

Asset Retirement and Other Obligations [Abstract]

Reclamation, land and asset retirement obligations disclosure

ASSET RETIREMENT AND OTHER OBLIGATIONS

Reclamation Obligation

St. Ann has an obligation to rehabilitate land disturbed by St. Ann's Bauxite mining operations.

Our reclamation obligations activity at St. Ann follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	2.5
Additional liabilities incurred	1.7
Liabilities settled	(3.5	)
Accretion	—
Balance, end of period	0.7

Land Obligation

In cases where land to be mined is privately owned, St. Ann acquires the right to mine either through a purchase of the land or by compensating the owner for disturbing the owner's surface rights. In the case of a purchase of the land, the consideration is typically cash and or a commitment to resettle the owner to another area ("St. Ann Land Obligation"). Additional consideration is paid for crops, homes, and other structures that may exist on the land but which may be destroyed or damaged by the mining activities.

Our St. Ann Land Obligation activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	14.1
Additional liabilities incurred	0.1
Liabilities settled	(0.5	)
Revisions to the obligation	(1.5	)
Balance, end of period	12.2

Asset Retirement Obligations

Our asset retirement obligations consist of costs related to the disposal of certain spent pot liners associated with the New Madrid smelter, as well as costs associated with the future closure and post-closure care of "red mud lakes" at the Gramercy facility, where Gramercy disposes of wastes from its refining process. Asset retirement obligations are estimated based on cash flows discounted at a credit-adjusted risk-free rate.

Our asset retirement obligations activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	15.8
Additional liabilities incurred	0.6
Liabilities settled	(1.0	)
Accretion	0.8
Balance, end of period	16.2

As of September 30, 2013 and December 31, 2012, we had $9.2 million of restricted cash in an escrow account as security for the payment of red mud lake closure obligations that will arise under state environmental laws if we were to cease operations at the Gramercy facility. This amount is included in other assets in the accompanying unaudited consolidated balance sheets. The remaining restricted cash in other assets relates primarily to funds for workers’ compensation claims.

Environmental Remediation Obligations

In addition to our asset retirement obligations, we have identified certain environmental conditions requiring remedial action or ongoing monitoring at the Gramercy refinery. As of September 30, 2013 and December 31, 2012, we had undiscounted liabilities of $1.8 million and $2.0 million, respectively, in accrued liabilities and had $1.1 million and $1.2 million, respectively, in other long-term liabilities for remediation of Gramercy’s known environmental conditions. Monitoring costs are expensed as incurred. No other responsible parties are involved in any ongoing environmental remediation activities.

XML

Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Accrued Liabilities) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Supplemental Financial Statement Information [Abstract]
Document Period End Date	Sep. 30, 2013
Compensation and benefits	$ 21.3	$ 17.4
Workers' compensation, current	5.3	5.7
Accrued other operating expenses, current	16.1	15.6
Accrued interest	11.3	2.0
Asset retirement obligations, current	2.2	2.4
Land obligation, current	4.3	4.9
Reclamation obligation, current	0.7	2.5
Environmental remediation obligation, current	1.8	2.0
Obligations to the Government	5.6	5.3
Pension and other post-retirement liabilities, current	0.9	0.9
Restricted stock unit liability awards, current	0	0.1
Total accrued liabilities	$ 69.5	$ 58.8

XML

Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Sales	$ 339.9	$ 336.8	$ 1,030.3	$ 1,062.0
Operating costs and expenses:
Cost of Goods Sold	333.3	323.3	973.1	959.4
Selling, General and Administrative Expense	23.7	24.3	69.8	64.8
Total operating costs and expenses	357.0	347.6	1,042.9	1,024.2
Operating income (loss)	(17.1)	(10.8)	(12.6)	37.8
Other (income) expense: [Abstract]
Interest Expense	12.6	8.9	34.9	24.2
(Gain) loss on hedging activities, net	2.4	(25.4)	0	(62.5)
Interest and Debt Expense	0	0	2.5	8.1
Total other income, net	15.0	(16.5)	37.4	(30.2)
Income (loss) before income taxes	(32.1)	5.7	(50.0)	68.0
Income tax expense	(13.9)	1.9	(20.1)	22.7
Net Income (Loss) Attributable to Parent	$ (18.2)	$ 3.8	$ (29.9)	$ 45.3
Net income per common share:
Basic net income per common share	$ (0.27)	$ 0.06	$ (0.44)	$ 0.67
Diluted net income per common share	$ (0.27)	$ 0.05	$ (0.44)	$ 0.66
Weighted-average common shares outstanding:
Basic weighted-average common shares outstanding	68.01	67.68	67.90	67.49
Diluted weighted-average common shares outstanding	68.01	69.12	67.90	69.10
Cash dividends declared per common share	$ 0.04	$ 0.04	$ 0.12	$ 1.37

XML

Segments (Footnote)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Segments disclosure

SEGMENTS

We manage and operate our business segments based on the markets we serve and the products we produce.

Segment profit (in which certain items, primarily non-recurring costs or non-cash expenses, are not allocated to the segments and in which certain items, primarily the income statement effects of current period cash settlements of hedges, are allocated to the segments) is a measure used by management as a basis for resource allocation.

Our five reportable segments are Bauxite, Alumina, Primary Aluminum, Flat-Rolled Products and Corporate.

• Bauxite – Our bauxite mining operation in St. Ann, Jamaica ("St. Ann") mines and produces the bauxite used for alumina production at our alumina refinery. St. Ann sells the remaining bauxite to a third party.

• Alumina – Our alumina refinery in Gramercy, Louisiana ("Gramercy") chemically refines and converts bauxite into alumina, which is the principal raw material used in the production of primary aluminum. The Gramercy refinery is the source for the majority of our aluminum smelter’s alumina requirements. Gramercy sells the remaining alumina production in the form of smelter grade alumina and alumina hydrate, or chemical-grade alumina, to third parties.

• Primary Aluminum – Our aluminum smelter in New Madrid, Missouri ("New Madrid") produces value-added aluminum products in several forms, including billet, rod, high purity sow and foundry. The Primary Aluminum segment also produces commodity grade sow.

• Flat-Rolled Products – Our rolling mills produce rolled aluminum products such as finstock and container stock.

• Corporate – Our corporate segment reflects the cost of corporate operations.

The accounting policies of the segments are the same as those described in Note 1, "Accounting Policies".

The following tables present operating and asset information for our reportable segments (in millions):

	Three months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	11.1		49.5		133.4		145.9		—		—		339.9
Intersegment	19.8		35.7		19.6		—		—		(75.1	)	—
Total sales	30.9		85.2		153.0		145.9		—		(75.1	)	339.9
Capital expenditures	1.5		4.2		7.5		2.5		0.5		—		16.2
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	2.3		3.9		(1.1	)	13.6		(7.5	)	(0.2	)	11.0
Depreciation and amortization	(2.9	)	(6.0	)	(10.2	)	(5.1	)	(0.1	)	—		(24.3	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.3		(1.1	)	—		(0.1	)	1.1
Loss on disposal of assets	(0.1	)	—		—		(1.5	)	—		—		(1.6	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.8	)	(1.5	)	(1.6	)	—		(5.1	)
Relocation and severance	—		—		0.1		—		(0.9	)	—		(0.8	)
Cash settlements on hedging transactions	—		—		0.6		2.3		—		—		2.9
Other, net	0.1		(0.1	)	—		0.1		(0.5	)	0.1		(0.3	)
Operating income (loss)	(0.6	)	(2.4	)	(10.1	)	6.8		(10.6	)	(0.2	)	(17.1	)
Interest expense, net													12.6
Loss on hedging activities, net													2.4
Total other expense, net													15.0
Loss before income taxes													(32.1	)

	Three months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	13.6		48.6		129.1		145.5		—		—		336.8
Intersegment	20.0		32.0		18.1		—		—		(70.1	)	—
Total sales	33.6		80.6		147.2		145.5		—		(70.1	)	336.8
Capital expenditures	2.6		4.6		7.1		2.7		0.9		—		17.9
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	0.3		1.8		3.1		12.0		(7.3	)	0.2		10.1
Depreciation and amortization	(2.1	)	(5.8	)	(11.0	)	(4.4	)	(0.3	)	—		(23.6	)
Last in, first out and lower of cost or market inventory adjustments	—		—		3.0		6.8		—		0.2		10.0
Gain (loss) on disposal of assets	0.2		—		(1.4	)	—		—		—		(1.2	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.4	)	(1.3	)	(1.1	)	—		(4.0	)
Consulting fees	—		—		—		—		(0.2	)	—		(0.2	)
Relocation and severance	—		—		0.1		(0.1	)	(0.1	)	—		(0.1	)
Cash settlements on hedging transactions	—		—		0.2		2.3		—		—		2.5
Other, net (1)	—		—		(3.6	)	(0.1	)	—		(0.6	)	(4.3	)
Operating income (loss)	(1.6	)	(4.2	)	(11.0	)	15.2		(9.0	)	(0.2	)	(10.8	)
Interest expense, net													8.9
Gain on hedging activities, net													(25.4	)
Total other income, net													(16.5	)
Income before income taxes													5.7

⁽¹⁾  "Other, net" in the table above includes $3.5 million of contingency costs to assemble a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter during third quarter 2012.

	Nine months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	33.8		142.9		408.6		445.0		—		—		1,030.3
Intersegment	62.7		115.5		62.2		—		—		(240.4	)	—
Total sales	96.5		258.4		470.8		445.0		—		(240.4	)	1,030.3
Capital expenditures	8.7		13.1		23.2		8.7		2.0		—		55.7
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	7.2		10.8		37.0		41.6		(24.3	)	—		72.3
Depreciation and amortization	(7.9	)	(16.6	)	(31.4	)	(14.4	)	(0.6	)	—		(70.9	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.7		(3.4	)	—		(0.4	)	(1.1	)
Gain (loss) on disposal of assets	(0.1	)	0.5		0.1		(2.7	)	—		—		(2.2	)
Non-cash pension, accretion and stock compensation	0.1		(0.7	)	(5.3	)	(4.4	)	(4.4	)	—		(14.7	)
Relocation and severance	—		(0.2	)	(0.3	)	(0.1	)	(1.3	)	—		(1.9	)
Consulting fees	—		—		—		—		(0.4	)	—		(0.4	)
Cash settlements on hedging transactions	—		—		1.3		5.3		—		—		6.6
Other, net	—		(0.3	)	—				(0.4	)	0.4		(0.3	)
Operating income (loss)	(0.7	)	(6.5	)	4.1		21.9		(31.4	)	—		(12.6	)
Interest expense, net													34.9
Gain on hedging activities, net													—
Debt refinancing expense													2.5
Total other income, net													37.4
Loss before income taxes													(50.0	)

	Nine months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	37.3		162.1		413.1		449.5		—		—		1,062.0
Intersegment	61.8		106.2		58.2		—		—		(226.2	)	—
Total sales	99.1		268.3		471.3		449.5		—		(226.2	)	1,062.0
Capital expenditures	6.6		12.8		27.8		10.4		2.2		—		59.8
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	3.9		29.2		51.9		41.1		(22.3	)	—		103.8
Depreciation and amortization	(6.3	)	(16.3	)	(32.9	)	(13.7	)	(1.0	)	—		(70.2	)
Last in, first out and lower of cost or market inventory adjustments	—		—		7.4		7.2		—		(0.3	)	14.3
Gain (loss) on disposal of assets	0.2		—		(3.0	)	4.2		—		—		1.4
Non-cash pension, accretion and stock compensation	(0.1	)	(0.6	)	(4.1	)	(3.7	)	(4.6	)	—		(13.1	)
Relocation and severance	—		—		(0.1	)	(0.2	)	(0.2	)	—		(0.5	)
Consulting fees	—		—		—		—		(0.7	)	—		(0.7	)
Cash settlements on hedging transactions	—		—		0.7		6.3		—		—		7.0
Other, net (1)	—		(0.4	)	(3.5	)	—		(0.2	)	(0.1	)	(4.2	)
Operating income (loss)	(2.3	)	11.9		16.4		41.2		(29.0	)	(0.4	)	37.8
Interest expense, net													24.2
Gain on hedging activities, net													(62.5	)
Debt refinancing expense													8.1
Total other income, net													(30.2	)
Income before income taxes													68.0

⁽¹⁾  "Other, net" in the table above includes $3.5 million of contingency costs to assemble a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter during third quarter 2012.

	September 30, 2013		December 31, 2012
Segment assets:	$		$
Bauxite	149.8		154.3
Alumina	230.6		238.0
Primary Aluminum	526.3		534.2
Flat-Rolled Products	353.8		374.2
Corporate	116.8		84.0
Eliminations	(19.3	)	(27.0	)
Total assets	1,358.0		1,357.7

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Related Party Transactions (Footnote)

9 Months Ended

Sep. 30, 2013

Related Party Transactions [Abstract]

Related party transactions disclosure

RELATED PARTY TRANSACTIONS

We sell flat-rolled products to two customers that are affiliated with Apollo. On April 12, 2013 one of those customers, Metals USA Holdings Corp., was acquired by Reliance Steel & Aluminum Co., a public company not affiliated with Apollo. Sales to these companies were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Berry Plastics Corporation	2.2	2.5	6.5	7.1
Metals USA Holdings Corp.(1)	—	3.4	4.2	9.1

⁽¹⁾ Sales to Metals USA Holding Corp. include the period in which Metals USA Holdings Corp was affiliated with Apollo through April 12, 2013.

Accounts receivable from these related parties were as follows (in millions):

	September 30, 2013	December 31, 2012
	$	$
Berry Plastics Corporation	0.6	0.4
Metals USA Holdings Corp. (1)	—	1.0

⁽¹⁾ As of April 12, 2013 Metals USA Holding Corp. was no longer affiliated with Apollo, therefore accounts receivable for Metals USA Holding Corp. as of September 30, 2013 are not disclosed as related party accounts receivable.

In connection with the 2012 Refinancing, we paid $0.7 million in fees to Apollo Global Securities, LLC, an affiliate of Apollo that participated in the arrangement and structuring of the 2012 Refinancing. Fees were paid to Apollo Global Securities, LLC in connection with the 2013 Refinancing were immaterial.

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Pension and Other Post-Retirement Benefit Plans (Employer Contributions) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year		$ 3.1
Noranda Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	11.0
St. Ann Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	0.4
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year		$ 0.2

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Inventories (Narrative) (Details) (Bauxite and Alumina [Member])	Sep. 30, 2013	Dec. 31, 2012
Bauxite and Alumina [Member]
Inventories disclosure [Line Items]
Percentage of weighted-average cost inventory	28.00%	25.00%

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Pension and Other Post-Retirement Benefits (Footnote)

9 Months Ended

Sep. 30, 2013

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Pension and Other Post-Retirement Benefits Disclosure [Text Block]

PENSIONS AND OTHER POST-RETIREMENT BENEFITS

We sponsor defined benefit pension plans for hourly and salaried employees. Benefits under our sponsored defined benefit plans are based on years of service and/or eligible compensation prior to retirement. We also sponsor OPEB plans for certain employees. These benefits include life and health insurance. In addition, we provide supplemental executive retirement benefits for certain executive officers.

Net periodic benefit costs related to the pension plans included the following (in millions):

	Noranda Pension Plans				St. Ann Pension Plans
	Three months ended September 30,				Three months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	3.8		3.4		0.1		0.2
Interest cost	4.5		4.5		0.4		0.4
Expected return on plan assets	(5.0	)	(4.7	)	(0.5	)	(0.6	)
Recognized actuarial loss	3.3		2.8		—		—
Amortization of prior service cost	0.2		0.1		—		—
Net periodic cost	6.8		6.1		—		—

	Noranda Pension Plans				St. Ann Pension Plans
	Nine months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	11.5		10.0		0.4		0.6
Interest cost	13.5		13.4		1.2		1.2
Expected return on plan assets	(15.2	)	(14.2	)	(1.7	)	(1.7	)
Recognized actuarial loss	9.7		8.3		—		—
Amortization of prior service cost	0.8		0.3		—		—
Net periodic cost	20.3		17.8		(0.1	)	0.1

Net periodic benefit costs related to the OPEB plans included the following (in millions):

	Noranda OPEB Plans		St. Ann OPEB Plans
	Three months ended September 30,		Three months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.1	0.1	—		0.1
Interest cost	0.1	0.2	0.2		0.1
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.3	0.3	0.1		0.2

	Noranda OPEB Plans		St. Ann OPEB Plans
	Nine months ended September 30,		Nine months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.4	0.3	0.1		0.3
Interest cost	0.4	0.5	0.4		0.3
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.9	0.8	0.4		0.6

Expected Employer Contributions

We contributed $11.0 million and $0.4 million to the Noranda Pension Plans and the St. Ann Pension Plans, respectively, during the nine months ended September 30, 2013. We anticipate making approximately $3.1 million and $0.2 million of pension funding payments to the Noranda Pension Plans and the St. Ann Pension Plans, respectively for the remainder of the year ending December 31, 2013.

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Subsidiary Issuer of Guaranteed Notes (Consolidating Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Mar. 03, 2008
ASSETS
Cash and cash equivalents	$ 63.9	$ 36.1	$ 36.1	$ 33.9	$ 42.7
Accounts receivable, net [Abstract]
Trade accounts receivable, net	105.7		106.6
Accounts receivable, affiliates	0		0
Inventories, net	193.7		195.8
Income Taxes Receivable, Current	4.4		2.0
Prepaid expenses	5.5		8.9
Other current assets	14.7		18.9
Total current assets	387.9		368.3
Investments in affiliates	0		0
Advances due from affiliates, noncurrent	0		0
Property, plant and equipment, net	682.4		694.5
Goodwill	137.6		137.6
Other intangible assets, net	56.7		61.2
Other assets	93.4		96.1
Assets	1,358.0		1,357.7
LIABILITIES AND EQUITY
Trade accounts payable	98.0		107.2
Accounts payable, affiliates	0		0
Accrued liabilities	69.5		58.8
Derivative Liabilities, Current	4.5		1.8
Current deferred tax liabilities, net	10.1		16.8
Current portion of long-term debt	4.9		3.3
Total current liabilities	187.0		187.9
Long-term debt, net	644.2		592.4
Long-term derivative liabilities, net	0		0.1
Pension and other post-retirement benefit liabilities	186.3		187.2
Other long-term liabilities	50.2		52.3
Advances due to affiliates, noncurrent	0		0
Long-term deferred tax liabilities	168.8		183.5
Common stock subject to redemption	0		2.0			2.0
Shareholders' equity:
Preferred stock	0		0
Common stock	0.7		0.7
Capital in excess of par value	238.4		233.4
Retained earnings (accumulated deficit)	(20.2)		17.9
Accumulated other comprehensive income (loss)	(103.4)		(105.7)
Total shareholders' equity	115.5		146.3
Noncontrolling interest	6.0		6.0
Total equity	121.5		152.3		259.6
Total liabilities and equity	1,358.0		1,357.7
Parent guarantor [Member]
ASSETS
Cash and cash equivalents	0.4	0.5	0.5	0.8	3.3
Accounts receivable, net [Abstract]
Trade accounts receivable, net	0		0
Accounts receivable, affiliates	19.7		19.4
Inventories, net	0		0
Income Taxes Receivable, Current	3.6		1.7
Prepaid expenses	0.2		0.2
Other current assets	(0.1)		0
Total current assets	23.8		21.8
Investments in affiliates	316.0		347.0
Advances due from affiliates, noncurrent	0		0
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Other assets	0		0
Assets	339.8		368.8
LIABILITIES AND EQUITY
Trade accounts payable	0		0
Accounts payable, affiliates	0		0
Accrued liabilities	0		0
Derivative Liabilities, Current	0		0
Current deferred tax liabilities, net	(0.3)		0.1
Current portion of long-term debt	0		0
Total current liabilities	(0.3)		0.1
Long-term debt, net	0		0
Long-term derivative liabilities, net			0
Pension and other post-retirement benefit liabilities	0		0
Other long-term liabilities	0		0
Advances due to affiliates, noncurrent	189.1		183.7
Long-term deferred tax liabilities	35.5		36.7
Common stock subject to redemption			2.0
Shareholders' equity:
Preferred stock	0		0
Common stock	0.7		0.7
Capital in excess of par value	238.4		233.4
Retained earnings (accumulated deficit)	(20.2)		17.9
Accumulated other comprehensive income (loss)	(103.4)		(105.7)
Total shareholders' equity	115.5		146.3
Noncontrolling interest	0		0
Total equity	115.5		146.3
Total liabilities and equity	339.8		368.8
Issuer [Member]
ASSETS
Cash and cash equivalents	55.2	27.9	27.9	29.9	31.3
Accounts receivable, net [Abstract]
Trade accounts receivable, net	0		0
Accounts receivable, affiliates	11.9		11.9
Inventories, net	0		0
Income Taxes Receivable, Current	0		0
Prepaid expenses	0		0
Other current assets	0		0
Total current assets	67.1		39.8
Investments in affiliates	1,511.9		1,509.0
Advances due from affiliates, noncurrent	125.0		119.8
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Other assets	8.2		9.3
Assets	1,712.2		1,677.9
LIABILITIES AND EQUITY
Trade accounts payable	0.2		0
Accounts payable, affiliates	19.7		19.4
Accrued liabilities	11.3		2.0
Derivative Liabilities, Current	0		0
Current deferred tax liabilities, net	(3.3)		0
Current portion of long-term debt	4.9		3.3
Total current liabilities	32.8		24.7
Long-term debt, net	644.2		592.4
Long-term derivative liabilities, net			0
Pension and other post-retirement benefit liabilities	0		0
Other long-term liabilities	0		0
Advances due to affiliates, noncurrent	697.6		681.7
Long-term deferred tax liabilities	21.6		32.1
Common stock subject to redemption			0
Shareholders' equity:
Preferred stock	0		0
Common stock	0		0
Capital in excess of par value	352.1		352.1
Retained earnings (accumulated deficit)	67.3		100.6
Accumulated other comprehensive income (loss)	(103.4)		(105.7)
Total shareholders' equity	316.0		347.0
Noncontrolling interest	0		0
Total equity	316.0		347.0
Total liabilities and equity	1,712.2		1,677.9
Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	6.0	3.3	3.3	1.3	3.3
Accounts receivable, net [Abstract]
Trade accounts receivable, net	101.4		101.6
Accounts receivable, affiliates	2.0		0.3
Inventories, net	159.4		169.1
Income Taxes Receivable, Current	1.1		0.6
Prepaid expenses	3.9		7.1
Other current assets	7.5		4.9
Total current assets	281.3		286.9
Investments in affiliates	0		0
Advances due from affiliates, noncurrent	698.2		682.1
Property, plant and equipment, net	618.1		633.2
Goodwill	137.6		137.6
Other intangible assets, net	56.7		61.2
Other assets	53.1		55.6
Assets	1,845.0		1,856.6
LIABILITIES AND EQUITY
Trade accounts payable	85.9		97.5
Accounts payable, affiliates	3.6		9.9
Accrued liabilities	37.4		30.4
Derivative Liabilities, Current	4.5		1.8
Current deferred tax liabilities, net	13.7		16.7
Current portion of long-term debt	0		0
Total current liabilities	145.1		156.3
Long-term debt, net	0		0
Long-term derivative liabilities, net			0.1
Pension and other post-retirement benefit liabilities	180.4		181.5
Other long-term liabilities	37.1		36.7
Advances due to affiliates, noncurrent	0		0
Long-term deferred tax liabilities	109.6		112.6
Common stock subject to redemption			0
Shareholders' equity:
Preferred stock	0		0
Common stock	0		0
Capital in excess of par value	1,199.7		1,199.7
Retained earnings (accumulated deficit)	277.1		276.1
Accumulated other comprehensive income (loss)	(104.0)		(106.4)
Total shareholders' equity	1,372.8		1,369.4
Noncontrolling interest	0		0
Total equity	1,372.8		1,369.4
Total liabilities and equity	1,845.0		1,856.6
Subsidiary non-guarantor [Member]
ASSETS
Cash and cash equivalents	2.3	4.4	4.4	1.9	4.8
Accounts receivable, net [Abstract]
Trade accounts receivable, net	4.3		5.0
Accounts receivable, affiliates	3.7		9.9
Inventories, net	34.7		27.2
Income Taxes Receivable, Current	(0.3)		(0.3)
Prepaid expenses	1.4		1.6
Other current assets	7.3		14.0
Total current assets	53.4		61.8
Investments in affiliates	0		0
Advances due from affiliates, noncurrent	63.5		63.5
Property, plant and equipment, net	64.3		61.3
Goodwill	0		0
Other intangible assets, net	0		0
Other assets	32.1		31.2
Assets	213.3		217.8
LIABILITIES AND EQUITY
Trade accounts payable	12.0		9.7
Accounts payable, affiliates	14.0		12.2
Accrued liabilities	20.8		26.4
Derivative Liabilities, Current	0		0
Current deferred tax liabilities, net	0		0
Current portion of long-term debt	0		0
Total current liabilities	46.8		48.3
Long-term debt, net	0		0
Long-term derivative liabilities, net			0
Pension and other post-retirement benefit liabilities	5.9		5.7
Other long-term liabilities	13.1		15.6
Advances due to affiliates, noncurrent	0		0
Long-term deferred tax liabilities	2.4		2.6
Common stock subject to redemption			0
Shareholders' equity:
Preferred stock	0		0
Common stock	0		0
Capital in excess of par value	83.7		83.7
Retained earnings (accumulated deficit)	54.7		55.2
Accumulated other comprehensive income (loss)	0.7		0.7
Total shareholders' equity	139.1		139.6
Noncontrolling interest	6.0		6.0
Total equity	145.1		145.6
Total liabilities and equity	213.3		217.8
Consolidation, Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0	0	0	0
Accounts receivable, net [Abstract]
Trade accounts receivable, net	0		0
Accounts receivable, affiliates	(37.3)		(41.5)
Inventories, net	(0.4)		(0.5)
Income Taxes Receivable, Current	0		0
Prepaid expenses	0		0
Other current assets	0		0
Total current assets	(37.7)		(42.0)
Investments in affiliates	(1,827.9)		(1,856.0)
Advances due from affiliates, noncurrent	(886.7)		(865.4)
Property, plant and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Other assets	0		0
Assets	(2,752.3)		(2,763.4)
LIABILITIES AND EQUITY
Trade accounts payable	(0.1)		0
Accounts payable, affiliates	(37.3)		(41.5)
Accrued liabilities	0		0
Derivative Liabilities, Current	0		0
Current deferred tax liabilities, net	0		0
Current portion of long-term debt	0		0
Total current liabilities	(37.4)		(41.5)
Long-term debt, net	0		0
Long-term derivative liabilities, net			0
Pension and other post-retirement benefit liabilities	0		0
Other long-term liabilities	0		0
Advances due to affiliates, noncurrent	(886.7)		(865.4)
Long-term deferred tax liabilities	(0.3)		(0.5)
Common stock subject to redemption			0
Shareholders' equity:
Preferred stock	0		0
Common stock	0		0
Capital in excess of par value	(1,635.5)		(1,635.5)
Retained earnings (accumulated deficit)	(399.1)		(431.9)
Accumulated other comprehensive income (loss)	206.7		211.4
Total shareholders' equity	(1,827.9)		(1,856.0)
Noncontrolling interest	0		0
Total equity	(1,827.9)		(1,856.0)
Total liabilities and equity	$ (2,752.3)		$ (2,763.4)

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Amounts Recognized in other comprehensive income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule of Amounts Recognized in Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	$ 3.5	$ 2.9	$ 10.4	$ 8.6
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax	2.2	1.8	6.7	5.4
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0	25.3	6.4	64.3
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(25.3)	(6.4)	(64.3)
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	0	(16.1)	(4.4)	(40.9)
Selling, General and Administrative Expenses [Member]
Schedule of Amounts Recognized in Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Gains (Losses)	0.7	0.6	2.1	1.8
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.1	0	0.2	0.1
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	0.8	0.6	2.3	1.9
Cost of Sales [Member]
Schedule of Amounts Recognized in Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Gains (Losses)	2.5	2.2	7.5	6.5
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.2	0.1	0.6	0.2
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax	2.7	2.3	8.1	6.7
Accumulated Defined Benefit Plans Adjustment [Member]
Schedule of Amounts Recognized in Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax			10.4		11.9
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax	(1.3)	(1.1)	(3.7)	(3.2)	(4.7)
Gain (Loss) on Derivatives [Member]
Schedule of Amounts Recognized in Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax			(6.4)		(84.2)
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Tax	$ 0	$ 9.2	$ 2.0	$ 23.4	$ 30.6

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Share-Based Payments (Schedules of Restricted Stock and RSU Equity and Liability Award Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock unit liability awards, current	$ 0	$ 0.1
Estimated forfeiture rate	0.00%
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 0.00
Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 1.60
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value	0.7	5.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	104,640
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	1.0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,196,349	1,307,989
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 1.92	$ 1.89
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	0.2
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	7,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	974,578
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	$ 2.10
Investor Director Provider [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	140,000	140,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 9.00	$ 9.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	140,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	$ 9.00
Restricted Stock and Restricted Stock Units Equity Awards [Member] | Service Vesting Awards [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	457,524
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.20
RSUs, nonvested, beginning of period	747,937
RSUs, weighted average grant date fair value, beginning of period	$ 12.48
Dividend equivalent units granted	27,102
Dividend equivalent units granted during period, weighted average grant date fair value	$ 3.63
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	(236,314)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 11.81
RSUs forfeited during period	(28,102)
RSUs forfeited during period, weighted average forfeiture fair value	$ 10.93
RSUs, nonvested, end of period	968,147
RSUs, weighted average grant date fair value, end of period	$ 8.53
Restricted Stock and Restricted Stock Units Equity Awards [Member] | Performance Vesting Awards Target [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0
RSUs, nonvested, beginning of period	294,336
RSUs, weighted average grant date fair value, beginning of period	$ 5.22
Dividend equivalent units granted	9,458
Dividend equivalent units granted during period, weighted average grant date fair value	$ 3.72
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 0
RSUs forfeited during period	(4,479)
RSUs forfeited during period, weighted average forfeiture fair value	$ 6.05
RSUs, nonvested, end of period	299,315
RSUs, weighted average grant date fair value, end of period	$ 5.16
Restricted Stock and Restricted Stock Units Equity Awards [Member] | Performance Vesting Awards Target with Market Condition [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	188,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 2.13
RSUs, nonvested, beginning of period	0
RSUs, weighted average grant date fair value, beginning of period	$ 0
Dividend equivalent units granted	4,343
Dividend equivalent units granted during period, weighted average grant date fair value	$ 3.48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 0
RSUs forfeited during period	0
RSUs forfeited during period, weighted average forfeiture fair value	$ 0
RSUs, nonvested, end of period	192,343
RSUs, weighted average grant date fair value, end of period	$ 2.16
Performance Shares, no grant date [Member] | Performance Vesting Awards Target [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 512,988.00
RSUs, nonvested, beginning of period	526,327
Dividend equivalent units granted	28,814
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
RSUs forfeited during period	8,903
RSUs, nonvested, end of period	1,059,226
Restricted Stock Units Liability Awards [Member] | Service Vesting Awards [Member] | Investor Director Provider [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	20,000
RSUs, nonvested, beginning of period	25,344
Dividend equivalent units granted	652
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	(20,656)
RSUs forfeited during period	(5,069)
RSUs, nonvested, end of period	20,271

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Inventories (Schedule of Inventories) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Inventory, Net [Abstract]
Raw materials, at cost	$ 70.8	$ 63.5
Work-in-process, at cost	56.0	58.9
Finished goods, at cost	19.6	29.5
Total product inventories, at cost	146.4	151.9
LIFO adjustment	23.1	15.7
Lower of cost or market (LCM) reserve	(16.9)	(7.1)
Product inventories, at lower of cost or market	152.6	160.5
Supplies, current	41.1	35.3
Total inventories, net	$ 193.7	$ 195.8

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Share-Based Payments Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2013

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of stock compensation expense

We recorded stock compensation expense as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Stock options	—	0.1	0.1	0.4
Restricted stock and restricted stock unit equity awards	1.3	0.8	3.3	3.3
Restricted stock unit liability awards	—	—	—	0.2
Total stock compensation expense	1.3	0.9	3.4	3.9

Schedule of stock option activity

Our stock option activity was as follows:

	Employee options and non-employee director options				Investor director provider options
	Common shares		Weighted-average exercise price	Intrinsic value (in millions)(1)	Common shares	Weighted-average exercise price	Intrinsic value (in millions)
			$	$		$	$
Outstanding, December 31, 2012	1,307,989		1.89	5.7	140,000	9.00	—
Exercised	(104,640	)	1.60	0.2	—	—	—
Forfeited	(7,000	)	1.14	—	—	—	—
Outstanding, September 30, 2013	1,196,349		1.92	1.0	140,000	9.00	—
Fully vested and exercisable, September 30, 2013 (weighted-average remaining contractual term of 4.7 years and 4.1 years, respectively)	974,578		2.10	0.7	140,000	9.00	—

Employee And Non Employee Director [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Restricted Stock and Restricted Stock Awards Activity

Restricted stock and RSU equity award activity was as follows:

	Service-vesting restricted stock and RSUs			Performance-vesting RSUs with grant date			Performance-vesting restricted stock (with market condition) with grant date		Performance-vesting restricted stock and RSUs without grant date
	Awards		Weighted-average grant date fair value	Awards		Weighted-average grant date fair value	Awards	Weighted-average grant date fair value	Awards
	#		$	#		$	#	$	#
Non-vested, December 31, 2012	747,937		12.48	294,336		5.22	—	—	526,327
Granted	457,524		4.20	—		—	188,000	2.13	512,988
Dividend equivalent units granted	27,102		3.63	9,458		3.72	4,343	3.48	28,814
Vested (aggregate intrinsic value of $1.0 million)	(236,314	)	11.81	—		—	—	—	—
Forfeited	(28,102	)	10.93	(4,479	)	6.05	—	—	(8,903	)
Non-vested, September 30, 2013 (aggregate intrinsic value of $6.2 million)	968,147		8.53	299,315		5.16	192,343	2.16	1,059,226

Investor Director Provider [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Restricted Stock Liability Awards Activity [Table Text Block]

RSU liability award activity was as follows:

	RSUs
	#
Non-vested, December 31, 2012	25,344
Granted	20,000
Dividend equivalent units granted	652
Vested	(20,656	)
Forfeited	(5,069	)
Non-vested, September 30, 2013	20,271

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Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2013

Accounting Policies [Abstract]

Organization, Consolidation and Basis of Presentation Policy

Organization, Consolidation and Basis of Presentation

The accompanying unaudited consolidated financial statements represent the consolidation of Noranda Aluminum Holding Corporation and all companies that we directly or indirectly control ("Noranda," "the Company," "we," "us," and "our"). "Noranda HoldCo" refers only to Noranda Aluminum Holding Corporation, excluding its subsidiaries. "Noranda AcquisitionCo" refers only to Noranda Aluminum Acquisition Corporation, the wholly-owned direct subsidiary of Noranda HoldCo, excluding its subsidiaries.

These unaudited consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("U.S. GAAP") for interim financial information. The consolidated financial statements, including these condensed notes, are unaudited and exclude some of the disclosures required in annual consolidated financial statements. Consolidated balance sheet data as of December 31, 2012 was derived from our audited consolidated financial statements. In management's opinion, these unaudited consolidated financial statements include all adjustments (including normal recurring accruals) that are considered necessary for the fair presentation of our financial position and operating results. All intercompany transactions and accounts have been eliminated in consolidation. Certain reclassifications have been made to previously issued unaudited consolidated financial statements to conform to the current period presentation. These reclassifications had no impact on net income or net cash flows.

The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. For example, our interim operating results are affected by peak power usage rates from June through September each year which affect our operating costs at the New Madrid smelter. We are also subject to seasonality associated with the demand cycles of our end-use customers, which results in lower shipment levels from November to February relative to other periods during the year.

These unaudited consolidated financial statements should be read in conjunction with our audited consolidated financial statements included in our Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission ("SEC") on February 28, 2013.

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Subsidiary Issuer of Guaranteed Notes (Footnote)

9 Months Ended

Sep. 30, 2013

Guarantees [Abstract]

Subsidiary Issuer of Guaranteed Notes disclosure

SUBSIDIARY ISSUER OF GUARANTEED NOTES

The AcquisitionCo Notes are fully and unconditionally guaranteed on a senior unsecured, joint and several basis by the existing and future domestic subsidiaries of Noranda AcquisitionCo that guarantee the senior secured credit facilities. NHB and St. Ann are not guarantors of the senior secured credit facilities and, are not guarantors of the AcquisitionCo Notes. Noranda HoldCo fully and unconditionally guarantees the AcquisitionCo Notes on a joint and several basis with the subsidiary guarantors. Noranda HoldCo has no independent operations or any assets other than its interest in Noranda AcquisitionCo. Noranda AcquisitionCo is a wholly owned finance subsidiary of Noranda HoldCo with no operations independent of its subsidiaries.

The following unaudited condensed consolidating financial statements present separately the financial condition and results of operations and cash flows for Noranda HoldCo (as parent guarantor), Noranda AcquisitionCo (as the issuer), the subsidiary guarantors, the subsidiary non-guarantors and eliminations ("the guarantor financial statements"). The guarantor financial statements have been prepared and presented in accordance with SEC Regulation S-X Rule 3-10 "Financial Statements of Guarantors and Issuers of Guaranteed Securities Registered or Being Registered."

The accounting policies used in the preparation of the guarantor financial statements are consistent with those found elsewhere in the accompanying unaudited consolidated financial statements. Intercompany transactions have been presented gross in the guarantor financial statements; however these transactions eliminate in consolidation.

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Balance Sheet as of September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
ASSETS
Current assets:
Cash and cash equivalents	0.4		55.2		6.0		2.3		—		63.9
Accounts receivable, net:
Trade	—		—		101.4		4.3		—		105.7
Affiliates	19.7		11.9		2.0		3.7		(37.3	)	—
Inventories, net	—		—		159.4		34.7		(0.4	)	193.7
Taxes receivable	3.6		—		1.1		(0.3	)	—		4.4
Prepaid expenses	0.2		—		3.9		1.4		—		5.5
Other current assets	(0.1	)	—		7.5		7.3		—		14.7
Total current assets	23.8		67.1		281.3		53.4		(37.7	)	387.9
Investments in affiliates	316.0		1,511.9		—		—		(1,827.9	)	—
Advances due from affiliates	—		125.0		698.2		63.5		(886.7	)	—
Property, plant and equipment, net	—		—		618.1		64.3		—		682.4
Goodwill	—		—		137.6		—		—		137.6
Other intangible assets, net	—		—		56.7		—		—		56.7
Other assets	—		8.2		53.1		32.1		—		93.4
Total assets	339.8		1,712.2		1,845.0		213.3		(2,752.3	)	1,358.0
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable:
Trade	—		0.2		85.9		12.0		(0.1	)	98.0
Affiliates	—		19.7		3.6		14.0		(37.3	)	—
Accrued liabilities	—		11.3		37.4		20.8		—		69.5
Derivative liabilities, net	—		—		4.5		—		—		4.5
Deferred tax liabilities	(0.3	)	(3.3	)	13.7		—		—		10.1
Current portion of long-term debt	—		4.9		—		—		—		4.9
Total current liabilities	(0.3	)	32.8		145.1		46.8		(37.4	)	187.0
Long-term debt, net	—		644.2		—		—		—		644.2
Pension and other post-retirement liabilities	—		—		180.4		5.9		—		186.3
Other long-term liabilities	—		—		37.1		13.1		—		50.2
Advances due to affiliates	189.1		697.6		—		—		(886.7	)	—
Long-term deferred tax liabilities	35.5		21.6		109.6		2.4		(0.3	)	168.8
Shareholders’ equity:
Preferred stock	—		—		—		—		—		—
Common stock	0.7		—		—		—		—		0.7
Capital in excess of par value	238.4		352.1		1,199.7		83.7		(1,635.5	)	238.4
Retained earnings (accumulated deficit)	(20.2	)	67.3		277.1		54.7		(399.1	)	(20.2	)
Accumulated other comprehensive income (loss)	(103.4	)	(103.4	)	(104.0	)	0.7		206.7		(103.4	)
Total shareholders' equity	115.5		316.0		1,372.8		139.1		(1,827.9	)	115.5
Non-controlling interest	—		—		—		6.0		—		6.0
Total equity	115.5		316.0		1,372.8		145.1		(1,827.9	)	121.5
Total liabilities and equity	339.8		1,712.2		1,845.0		213.3		(2,752.3	)	1,358.0

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Balance Sheet as of December 31, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
ASSETS
Current assets:
Cash and cash equivalents	0.5		27.9		3.3		4.4		—		36.1
Accounts receivable, net:
Trade	—		—		101.6		5.0		—		106.6
Affiliates	19.4		11.9		0.3		9.9		(41.5	)	—
Inventories, net	—		—		169.1		27.2		(0.5	)	195.8
Taxes receivable	1.7		—		0.6		(0.3	)	—		2.0
Prepaid expenses	0.2		—		7.1		1.6		—		8.9
Other current assets	—		—		4.9		14.0		—		18.9
Total current assets	21.8		39.8		286.9		61.8		(42.0	)	368.3
Investments in affiliates	347.0		1,509.0		—		—		(1,856.0	)	—
Advances due from affiliates	—		119.8		682.1		63.5		(865.4	)	—
Property, plant and equipment, net	—		—		633.2		61.3		—		694.5
Goodwill	—		—		137.6		—		—		137.6
Other intangible assets, net	—		—		61.2		—		—		61.2
Other assets	—		9.3		55.6		31.2		—		96.1
Total assets	368.8		1,677.9		1,856.6		217.8		(2,763.4	)	1,357.7
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable:
Trade	—		—		97.5		9.7		—		107.2
Affiliates	—		19.4		9.9		12.2		(41.5	)	—
Accrued liabilities	—		2.0		30.4		26.4		—		58.8
Derivative liabilities net	—		—		1.8		—		—		1.8
Deferred tax liabilities	0.1		—		16.7		—		—		16.8
Current portion of long-term debt	—		3.3		—		—		—		3.3
Total current liabilities	0.1		24.7		156.3		48.3		(41.5	)	187.9
Long-term debt	—		592.4		—		—		—		592.4
Long-term derivative liabilities, net	—		—		0.1		—		—		0.1
Pension and other post-retirement liabilities	—		—		181.5		5.7		—		187.2
Other long-term liabilities	—		—		36.7		15.6		—		52.3
Advances due to affiliates	183.7		681.7		—		—		(865.4	)	—
Long-term deferred tax liabilities	36.7		32.1		112.6		2.6		(0.5	)	183.5
Common stock subject to redemption	2.0		—		—		—		—		2.0
Shareholders’ equity:
Preferred stock	—		—		—		—		—		—
Common stock	0.7		—		—		—		—		0.7
Capital in excess of par value	233.4		352.1		1,199.7		83.7		(1,635.5	)	233.4
Retained earnings (accumulated deficit)	17.9		100.6		276.1		55.2		(431.9	)	17.9
Accumulated other comprehensive income (loss)	(105.7	)	(105.7	)	(106.4	)	0.7		211.4		(105.7	)
Total shareholders’ equity	146.3		347.0		1,369.4		139.6		(1,856.0	)	146.3
Non-controlling interest	—		—		—		6.0		—		6.0
Total equity	146.3		347.0		1,369.4		145.6		(1,856.0	)	152.3
Total liabilities and equity	368.8		1,677.9		1,856.6		217.8		(2,763.4	)	1,357.7

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Three months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		328.8		30.9		(19.8	)	339.9
Operating costs and expenses:
Cost of sales	—		—		325.6		27.5		(19.8	)	333.3
Selling, general and administrative expenses	1.6		0.1		18.0		4.0		—		23.7
Total operating costs and expenses	1.6		0.1		343.6		31.5		(19.8	)	357.0
Operating income (loss)	(1.6	)	(0.1	)	(14.8	)	(0.6	)	—		(17.1	)
Other (income) expense:
Interest expense (income), net	(0.1	)	12.6		0.1		—		—		12.6
Loss on hedging activities, net	—		—		2.4		—		—		2.4
Debt refinancing expense	—		—		—		—		—		—
Total other (income) expense, net	(0.1	)	12.6		2.5		—		—		15.0
Income (loss) before income taxes	(1.5	)	(12.7	)	(17.3	)	(0.6	)	—		(32.1	)
Income tax (benefit) expense	(0.4	)	(4.2	)	(9.7	)	0.4		—		(13.9	)
Equity in net income (loss) of subsidiaries	(17.1	)	(8.6	)	—		—		25.7		—
Net income (loss)	(18.2	)	(17.1	)	(7.6	)	(1.0	)	25.7		(18.2	)
Other comprehensive income (loss)	2.2		2.2		2.2		—		(4.4	)	2.2
Total comprehensive income (loss)	(16.0	)	(14.9	)	(5.4	)	(1.0	)	21.3		(16.0	)

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Three months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		323.2		33.6		(20.0	)	336.8
Operating costs and expenses:
Cost of sales	—		—		311.0		32.3		(20.0	)	323.3
Selling, general and administrative expenses	1.3		0.1		19.9		3.0		—		24.3
Total operating costs and expenses	1.3		0.1		330.9		35.3		(20.0	)	347.6
Operating income (loss)	(1.3	)	(0.1	)	(7.7	)	(1.7	)	—		(10.8	)
Other (income) expense:
Interest expense (income), net	(0.1	)	9.1		(0.1	)	—		—		8.9
Gain on hedging activities, net	—		—		(25.4	)	—		—		(25.4	)
Total other (income) expense, net	(0.1	)	9.1		(25.5	)	—		—		(16.5	)
Income (loss) before income taxes	(1.2	)	(9.2	)	17.8		(1.7	)	—		5.7
Income tax (benefit) expense	(0.4	)	(3.0	)	5.9		(0.6	)	—		1.9
Equity in net income of subsidiaries	4.6		10.8		—		—		(15.4	)	—
Net income (loss)	3.8		4.6		11.9		(1.1	)	(15.4	)	3.8
Other comprehensive income (loss)	(24.9	)	(24.9	)	(24.9	)	—		49.8		(24.9	)
Total comprehensive income (loss)	(21.1	)	(20.3	)	(13.0	)	(1.1	)	34.4		(21.1	)

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Nine months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		996.5		96.5		(62.7	)	1,030.3
Operating costs and expenses:
Cost of sales	—		—		948.8		87.0		(62.7	)	973.1
Selling, general and administrative expenses	4.4		1.0		54.2		10.2		—		69.8
Total operating costs and expenses	4.4		1.0		1,003.0		97.2		(62.7	)	1,042.9
Operating income (loss)	(4.4	)	(1.0	)	(6.5	)	(0.7	)	—		(12.6	)
Other (income) expense:
Interest expense (income), net	(0.3	)	35.0		0.2		—		—		34.9
Debt refinancing expense	—		2.5		—		—		—		2.5
Total other (income) expense, net	(0.3	)	37.5		0.2		—		—		37.4
Income (loss) before income taxes	(4.1	)	(38.5	)	(6.7	)	(0.7	)	—		(50.0	)
Income tax (benefit) expense	(1.2	)	(12.8	)	(5.5	)	(0.6	)	—		(20.1	)
Equity in net income of subsidiaries	(27.0	)	(1.3	)	—		—		28.3		—
Net income	(29.9	)	(27.0	)	(1.2	)	(0.1	)	28.3		(29.9	)
Other comprehensive income (loss)	2.3		2.3		2.4		—		(4.7	)	2.3
Total comprehensive income (loss)	(27.6	)	(24.7	)	1.2		(0.1	)	23.6		(27.6	)

NORANDA ALUMINUM HOLDING CORPORATION

Consolidating Statement of Operations

Nine months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations		Consolidated
	$		$		$		$		$		$
Sales	—		—		1,024.7		99.1		(61.8	)	1,062.0
Operating costs and expenses:
Cost of sales	—		—		929.0		92.2		(61.8	)	959.4
Selling, general and administrative expenses	5.1		0.8		49.6		9.3		—		64.8
Total operating costs and expenses	5.1		0.8		978.6		101.5		(61.8	)	1,024.2
Operating income (loss)	(5.1	)	(0.8	)	46.1		(2.4	)	—		37.8
Other (income) expense:
Interest expense (income), net	(0.3	)	24.5		—		—		—		24.2
Gain on hedging activities, net	—		—		(62.5	)	—		—		(62.5	)
Debt refinancing expense	—		8.1		—		—		—		8.1
Total other (income) expense, net	(0.3	)	32.6		(62.5	)	—		—		(30.2	)
Income (loss) before income taxes	(4.8	)	(33.4	)	108.6		(2.4	)	—		68.0
Income tax (benefit) expense	(1.5	)	(11.2	)	36.2		(0.8	)	—		22.7
Equity in net income of subsidiaries	48.6		70.8		—		—		(119.4	)	—
Net income	45.3		48.6		72.4		(1.6	)	(119.4	)	45.3
Other comprehensive income (loss)	(48.3	)	(48.3	)	(48.3	)	—		96.6		(48.3	)
Total comprehensive income (loss)	(3.0	)	0.3		24.1		(1.6	)	(22.8	)	(3.0	)

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Consolidating Statement of Cash Flows

Nine months ended September 30, 2013

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations	Consolidated
	$		$		$		$		$	$
OPERATING ACTIVITIES
Cash provided by (used in) operating activities	(0.7	)	(13.9	)	48.8		6.6		—	40.8
INVESTING ACTIVITIES
Capital expenditures	—		—		(47.0	)	(8.7	)	—	(55.7	)
Proceeds from sale of property, plant and equipment	—		—		0.9		—		—	0.9
Cash used in investing activities	—		—		(46.1	)	(8.7	)	—	(54.8	)
FINANCING ACTIVITIES
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	(0.1	)	—		—		—		—	(0.1	)
Dividends paid to shareholders	(8.2	)	—		—		—		—	(8.2	)
Distributions paid to optionholders	—		—		—		—		—	—
Repayments of long-term debt	—		(278.8	)	—		—		—	(278.8	)
Borrowings on long-term debt, net	—		331.8		—		—		—	331.8
Payments of financing costs	—		(2.9	)	—		—		—	(2.9	)
Distribution (to parent) from subsidiary	8.9		(8.9	)	—		—		—	—
Cash provided by (used in) financing activities	0.6		41.2		—		—		—	41.8
Change in cash and cash equivalents	(0.1	)	27.3		2.7		(2.1	)	—	27.8
Cash and cash equivalents, beginning of period	0.5		27.9		3.3		4.4		—	36.1
Cash and cash equivalents, end of period	0.4		55.2		6.0		2.3		—	63.9

NORANDA ALUMINUM HOLDING CORPORATION

Condensed Consolidating Statement of Cash Flows

Nine months ended September 30, 2012

(in millions)

(unaudited)

	Parent guarantor (Noranda HoldCo)		Issuer (Noranda AcquisitionCo)		Subsidiary guarantors		Subsidiary non-guarantors		Eliminations	Consolidated
	$		$		$		$		$	$
OPERATING ACTIVITIES
Cash provided by (used in) operating activities	—		(63.9	)	46.4		3.7		—	(13.8	)
INVESTING ACTIVITIES
Capital expenditures	—		—		(53.2	)	(6.6	)	—	(59.8	)
Proceeds from sale of property, plant and equipment	—		—		4.8		—		—	4.8
Cash used in investing activities	—		—		(48.4	)	(6.6	)	—	(55.0	)
FINANCING ACTIVITIES
Shares tendered for taxes, share-based payment arrangements, net of proceeds from issuance of common shares	0.1		—		—		—		—	0.1
Dividends paid to shareholders	(92.2	)	—		—		—		—	(92.2	)
Distributions paid to share-based award holders	(3.1	)	—		—		—		—	(3.1	)
Repayments of long-term debt	—		(154.8	)	—		—		—	(154.8	)
Borrowings on long-term debt	—		322.6		—		—		—	322.6
Payments of financing costs	—		(12.6	)	—		—		—	(12.6	)
Distribution (to parent) from subsidiary	92.7		(92.7	)	—		—		—	—
Cash provided by (used in) financing activities	(2.5	)	62.5		—		—		—	60.0
Change in cash and cash equivalents	(2.5	)	(1.4	)	(2.0	)	(2.9	)	—	(8.8	)
Cash and cash equivalents, beginning of period	3.3		31.3		3.3		4.8		—	42.7
Cash and cash equivalents, end of period	0.8		29.9		1.3		1.9		—	33.9

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Cash Flow Data and Cash Flow Data Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Schedule of supplemental cash flow disclosures [Line Items]
Interest Paid			$ 24.6	$ 19.9
Capital expenditures incurred but not paid			2.2	8.3
Capitalized interest on capital projects			1.2	0.8
Gain (Loss) on Sale of Property Plant Equipment	1.6	1.2	2.2	(1.4)
Domestic [Member]
Schedule of supplemental cash flow disclosures [Line Items]
Income taxes paid (received), net			$ 6.1	$ 32.5

XML

Asset Retirement and Other Obligations (Tables)

9 Months Ended

Sep. 30, 2013

Asset Retirement and Other Obligations [Abstract]

Schedule of change in reclamation obligations

Our reclamation obligations activity at St. Ann follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	2.5
Additional liabilities incurred	1.7
Liabilities settled	(3.5	)
Accretion	—
Balance, end of period	0.7

Schedule of change in land obligation

Our St. Ann Land Obligation activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	14.1
Additional liabilities incurred	0.1
Liabilities settled	(0.5	)
Revisions to the obligation	(1.5	)
Balance, end of period	12.2

Schedule of change in asset retirement obligations

Our asset retirement obligations activity follows (in millions):

	Nine months ended September 30, 2013
	$
Balance, beginning of period	15.8
Additional liabilities incurred	0.6
Liabilities settled	(1.0	)
Accretion	0.8
Balance, end of period	16.2

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Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2013

Related Party Transactions [Abstract]

Schedule of related party sales transactions [Table textblock]

We sell flat-rolled products to two customers that are affiliated with Apollo. On April 12, 2013 one of those customers, Metals USA Holdings Corp., was acquired by Reliance Steel & Aluminum Co., a public company not affiliated with Apollo. Sales to these companies were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Berry Plastics Corporation	2.2	2.5	6.5	7.1
Metals USA Holdings Corp.(1)	—	3.4	4.2	9.1

Schedule of related party receivables [Table Text Block]

Accounts receivable from these related parties were as follows (in millions):

	September 30, 2013	December 31, 2012
	$	$
Berry Plastics Corporation	0.6	0.4
Metals USA Holdings Corp. (1)	—	1.0

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Cash) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Supplemental Financial Statement Information [Abstract]
Document Period End Date	Sep. 30, 2013
Cash	$ 33.9		$ 26.1
Money market funds	30.0		10.0
Total cash and cash equivalents	$ 63.9	$ 36.1	$ 36.1	$ 33.9	$ 42.7

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Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory, Net [Abstract]

Schedule of inventories

Inventories, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Raw materials, at cost	70.8		63.5
Work-in-process, at cost	56.0		58.9
Finished goods, at cost	19.6		29.5
Total inventories, at cost	146.4		151.9
LIFO adjustment	23.1		15.7
LCM reserve	(16.9	)	(7.1	)
Inventories, at lower of cost or market	152.6		160.5
Supplies	41.1		35.3
Total inventories, net	193.7		195.8

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Asset Retirement and Other Obligations (Asset Retirement Obligations) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Asset retirement obligations [Line Items]
Accrued Environmental Loss Contingencies, Current	$ 1.8	$ 2.0
Balance, beginning of period	15.8
Additional liabilities incurred	0.6
Liabilities settled	(1.0)
Accretion	0.8
Balance, end of period	16.2
Restricted Cash and Cash Equivalents, Noncurrent	12.7	12.8
Environmental remediation obligation, noncurrent	1.1	1.2
Environmental Restoration Costs [Member] | Alumina [Member]
Asset retirement obligations [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent	$ 9.2	$ 9.2

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Derivative Financial Instruments Derivative Financial Instruments (Schedule of Gains and Losses on Hedging Activities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Current	$ 4.4		$ 4.4		$ 2.6
Derivative Liabilities, Current	4.5		4.5		1.8
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition			2.0
Payments to Acquire Property, Plant, and Equipment	16.2	17.9	55.7	59.8
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(25.3)	(6.4)	(64.3)
Derivatives not qualified as hedging instruments, change in fair value	2.4	(0.1)	6.4	1.8
Total gain or loss on hedging activities	2.4	(25.4)	0	(62.5)
Derivative Liabilities, Noncurrent	0		0		0.1
Fixed price aluminum customer contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0		0
Derivatives not qualified as hedging instruments, change in fair value	1.9	7.1		3.9
Total gain or loss on hedging activities	1.9	7.1		3.9
Fixed price aluminum swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		(31.7)	(6.4)	(83.9)
Derivatives not qualified as hedging instruments, change in fair value		0	0	0
Total gain or loss on hedging activities		(31.7)	(6.4)	(83.9)
Variable price aluminum offset swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0	0	0
Derivatives not qualified as hedging instruments, change in fair value	0.5	(6.3)	(5.3)	(2.2)
Total gain or loss on hedging activities	0.5	(6.3)	(5.3)	(2.2)
Natural gas swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		6.4	0	19.6
Derivatives not qualified as hedging instruments, change in fair value		(0.3)	11.7	0.9
Total gain or loss on hedging activities		6.1	11.7	20.5
Fixed-Price Natural Gas Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		0		0
Derivatives not qualified as hedging instruments, change in fair value		(0.6)		(0.8)
Total gain or loss on hedging activities		(0.6)		(0.8)
Guarantor Subsidiaries [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Current	4.5		4.5		1.8
Payments to Acquire Property, Plant, and Equipment			47.0	53.2
Total gain or loss on hedging activities	2.4	(25.4)		(62.5)
Derivative Liabilities, Noncurrent					0.1
Other Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Assets, Current	4.4		4.4		2.1
Derivative Liabilities, Current	0.9		0.9		1.8
Derivative Liabilities, Noncurrent	0		0		0.1
Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Current derivative liabilities, gross	3.8		3.8		1.5
Derivative Assets, Current	0		0		0.5
Current derivative assets, gross	0.2		0.2		2.0
Derivative Liabilities, Current	3.6		3.6		0
Long-term derivative liabilities, gross	0		0		0
Long-term derivative assets, gross	0		0		0
Derivative Liabilities, Noncurrent	0		0
derivatives, net [Member] | Other Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities, Current	0		0
Long-term derivative liabilities, gross					0
Long-term derivative assets, gross					0
Derivative Liabilities, Noncurrent	0		0
derivatives, net [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Current derivative liabilities, gross	0.2		0.2		1.5
Derivative Liabilities, Noncurrent					$ 0

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Asset Retirement and Other Obligations (Land Obligation) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Asset Retirement and Other Obligations [Abstract]
Land obligation, beginning of period	$ 14.1
Land Obligation, Liabilities Incurred	0.1
Land Obligation, Liabilities Settled	(0.5)
Revisions to obligation, land obligation	(1.5)
Land obligation, end of period	$ 12.2

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Segments (Schedule of Segment Profit Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	$ 1,358.0		$ 1,358.0		$ 1,357.7
Revenue, Total	339.9	336.8	1,030.3	1,062.0
Payments to Acquire Property, Plant, and Equipment	16.2	17.9	55.7	59.8
Segment profit (loss)	11.0	10.1	72.3	103.8
Depreciation and amortization	(24.3)	(23.6)	(70.9)	(70.2)
Last in, first out and lower of cost or market inventory adjustments	1.1	10.0	(1.1)	14.3
Gain (Loss) on Sale of Property Plant Equipment	1.6	1.2	2.2	(1.4)
Non-cash pension, accretion and stock compensation	(5.1)	(4.0)	(14.7)	(13.1)
Relocation and severance	(0.8)	(0.1)	(1.9)	(0.5)
Consulting fees		(0.2)	(0.4)	(0.7)
Cash settlements on hedging transactions	2.9	2.5	6.6	7.0
Other, net	(0.3)	(4.3)	(0.3)	(4.2)
Operating income (loss)	(17.1)	(10.8)	(12.6)	37.8
Interest Expense	12.6	8.9	34.9	24.2
(Gain) loss on hedging activities, net	2.4	(25.4)	0	(62.5)
Interest and Debt Expense	0	0	2.5	8.1
Total other income, net	15.0	(16.5)	37.4	(30.2)
Income (loss) before income taxes	(32.1)	5.7	(50.0)	68.0
Bauxite [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	149.8		149.8		154.3
Revenue, Total	30.9	33.6	96.5	99.1
Payments to Acquire Property, Plant, and Equipment	1.5	2.6	8.7	6.6
Alumina [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	230.6		230.6		238.0
Revenue, Total	85.2	80.6	258.4	268.3
Payments to Acquire Property, Plant, and Equipment	4.2	4.6	13.1	12.8
Primary Aluminum [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	526.3		526.3		534.2
Revenue, Total	153.0	147.2	470.8	471.3
Payments to Acquire Property, Plant, and Equipment	7.5	7.1	23.2	27.8
Flat-Rolled Products [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	353.8		353.8		374.2
Revenue, Total	145.9	145.5	445.0	449.5
Payments to Acquire Property, Plant, and Equipment	2.5	2.7	8.7	10.4
Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	116.8		116.8		84.0
Revenue, Total	0	0	0	0
Payments to Acquire Property, Plant, and Equipment	0.5	0.9	2.0	2.2
Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Assets	(19.3)		(19.3)		(27.0)
Revenue, Total	(75.1)	(70.1)	(240.4)	(226.2)
Payments to Acquire Property, Plant, and Equipment	0	0	0	0
External customers [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	339.9	336.8	1,030.3	1,062.0
External customers [Member] | Bauxite [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	11.1	13.6	33.8	37.3
External customers [Member] | Alumina [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	49.5	48.6	142.9	162.1
External customers [Member] | Primary Aluminum [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	133.4	129.1	408.6	413.1
External customers [Member] | Flat-Rolled Products [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	145.9	145.5	445.0	449.5
External customers [Member] | Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	0	0	0	0
External customers [Member] | Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	0	0	0	0
Internal customers [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	0	0	0	0
Internal customers [Member] | Bauxite [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	19.8	20.0	62.7	61.8
Internal customers [Member] | Alumina [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	35.7	32.0	115.5	106.2
Internal customers [Member] | Primary Aluminum [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	19.6	18.1	62.2	58.2
Internal customers [Member] | Flat-Rolled Products [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	0	0	0	0
Internal customers [Member] | Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	0	0	0	0
Internal customers [Member] | Eliminations [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue, Total	$ (75.1)	$ (70.1)	$ (240.4)	$ (226.2)

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Derivative Financial Instruments Derivative Financial Instruments (Schedule of Carrying Values at Fair Value) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0	$ (25,300,000)	$ (6,400,000)	$ (64,300,000)
Derivative, Fair Value, Net	100,000		100,000		800,000
Fixed price aluminum customer contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0		0
Derivative, Fair Value, Net	4,600,000		4,600,000		(800,000)
Variable price aluminum offset swaps [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0	0	0
Derivative, Fair Value, Net	(3,600,000)		(3,600,000)		500,000
Natural gas swaps [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		6,400,000	0	19,600,000
Derivative, Fair Value, Net	0		0
Fixed-Price Natural Gas Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		0		0
Derivative, Fair Value, Net	0		0
Fixed price aluminum swaps [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		(31,700,000)	(6,400,000)	(83,900,000)
Derivative, Fair Value, Net	$ 0		$ 0

XML

Non-Controlling Interest (Footnote)

9 Months Ended

Sep. 30, 2013

Noncontrolling Interest Items [Abstract]

Non-controlling interest disclosure

NON-CONTROLLING INTEREST

Through St. Ann, we hold a 49% partnership interest in Noranda Jamaica Bauxite Partners ("NJBP"), in which the GOJ holds a 51% interest. NJBP mines bauxite, approximately 52% of which was sold to Gramercy during 2012, with the remaining majority sold to Sherwin Alumina Company.

Under an establishment agreement between our St. Ann and the GOJ, St. Ann committed to make certain expenditures for haulroad development, maintenance, dredging, land purchases, contract mining, training and other general capital expenditures from 2009 through 2014. If we do not meet our commitment to the GOJ regarding these expenditures, we would owe to the GOJ a penalty that could be material to our consolidated financial statements. We believe there is a remote possibility that we will not meet the commitment.

We have determined that NJBP is a variable interest entity under U.S. GAAP, and St. Ann is NJBP’s primary beneficiary. The determination that St. Ann is the primary beneficiary was based on the fact that St. Ann absorbs the profits and losses associated with the partnership, while the GOJ receives certain fees from St. Ann (royalties, production and asset usage fees, etc.). We consolidate NJBP into our consolidated financial statements as follows (in millions):

	September 30, 2013						December 31, 2012
	NJBP balances		Impact of Eliminations		Impact on consolidated statements		NJBP balances		Impact of Eliminations		Impact on consolidated statements
	$		$		$		$		$		$
Cash and cash equivalents	0.2		—		0.2		1.7		—		1.7
Accounts receivable, net	14.6		(14.6	)	—		15.4		(15.4	)	—
Inventories, net (consisting of maintenance supplies, inventory and fuel)	19.0		—		19.0		12.6		—		12.6
Other current assets	2.6		—		2.6		1.6		—		1.6
Property, plant and equipment, net	41.9		—		41.9		40.1		—		40.1
Other assets	5.0		—		5.0		5.0		—		5.0
Accounts payable	(67.1	)	55.5		(11.6	)	(58.3	)	49.2		(9.1	)
Accrued liabilities	(3.6	)	—		(3.6	)	(3.8	)	—		(3.8	)
Environmental, land and reclamation liabilities	(0.7	)	—		(0.7	)	(2.4	)	—		(2.4	)
Non-controlling interest	(6.0	)	—		(6.0	)	(6.0	)	—		(6.0	)
St. Ann’s net investment and advances to NJBP	5.9		40.9		46.8		5.9		33.8		39.7

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Consolidated Statements of Equity (USD $) In Millions	Total	Preferred Stock [Member]	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Non-Controlling Interest [Member]
Balance, beginning of period at Dec. 31, 2011	$ 259.6	$ 0	$ 0.7	$ 231.9	$ 63.4	$ (42.4)	$ 6.0
Net income (loss)	49.5	0	0	0	49.5	0	0
Total other comprehensive loss, net of tax	(63.3)	0	0	0	0	(63.3)	0
Issuance of common shares for share-based payment arrangements, net of shares tendered for taxes	0.2	0	0	0.2	0	0	0
Stock compensation expense related to equity-based awards	4.6	0	0	4.6	0	0	0
Excess tax benefit related to share-based payment arrangements	(0.1)	0	0	(0.1)	0	0	0
Adjustments to Additional Paid in Capital, Other	0	0	0	(0.1)	0.1	0	0
Dividends to shareholders @ $0.12 per share at September 30, 2013 and $1.41 per share at December 31, 2012	(95.1)	0	0	0	(95.1)	0	0
Distribution to share-based award holders @ $1.25 per share in the year ended December 31, 2012	(3.1)	0	0	(3.1)	0	0	0
Balance, end of period at Dec. 31, 2012	152.3	0	0.7	233.4	17.9	(105.7)	6.0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0
Net income (loss)	(29.9)		0	0	(29.9)	0	0
Total other comprehensive loss, net of tax	2.3		0	0	0	2.3	0
Issuance of common shares for share-based payment arrangements, net of shares tendered for taxes	(0.1)		0	(0.1)	0	0	0
Stock compensation expense related to equity-based awards	3.4		0	3.4	0	0	0
Excess tax benefit related to share-based payment arrangements	(0.4)		0	(0.4)	0	0	0
Adjustments to Additional Paid in Capital, Other	0.1	0	0	0.1	0	0	0
Stock Issued During Period, Shares, New Issues	2.0		0	2.0	0	0	0
Dividends to shareholders @ $0.12 per share at September 30, 2013 and $1.41 per share at December 31, 2012	(8.2)		0	0	(8.2)	0	0
Balance, end of period at Sep. 30, 2013	$ 121.5	$ 0	$ 0.7	$ 238.4	$ (20.2)	$ (103.4)	$ 6.0

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Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities
Net income (loss)	$ (29.9)	$ 45.3
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	70.9	70.2
Non-cash interest expense	2.0	2.1
Last in, first out and lower of cost or market inventory adjustments	1.1	(14.3)
Gain (Loss) on Sale of Property Plant Equipment	2.2	(1.4)
Gain on hedging activities, net of cash settlements	(5.7)	(99.6)
Interest and Debt Expense	2.5	8.1
Deferred income taxes	(23.1)	2.1
Share-based compensation expense	3.4	3.9
Changes in other noncurrent assets	(2.5)	(6.0)
Changes in pension, other post-retirement and other long-term liabilities	7.8	(1.3)
Changes in current operating assets and liabilities:
Accounts receivable, net	0.8	(15.2)
Inventories, net	1.3	(3.5)
Taxes receivable and taxes payable	(2.8)	(11.1)
Other current assets	9.7	24.6
Accounts payable	(7.6)	10.3
Accrued liabilities	10.7	(28.0)
Cash provided by (used in) operating activities	40.8	(13.8)
Investing Activities
Capital expenditures	(55.7)	(59.8)
Proceeds from sale of property, plant and equipment	0.9	4.8
Cash provided by (used in) investing activities	(54.8)	(55.0)
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	(0.1)	0.1
Payments of Ordinary Dividends, Common Stock	(8.2)	(92.2)
Distributions paid to optionholders	0	(3.1)
Repayments of Long-term Debt	(278.8)	(154.8)
Proceeds from Issuance of Long-term Debt	331.8	322.6
Payments of Financing Costs	(2.9)	(12.6)
Cash provided by (used in) financing activities	41.8	60.0
Change in cash and cash equivalents	27.8	(8.8)
Cash and cash equivalents, beginning of period	36.1	42.7
Cash and cash equivalents, end of period	$ 63.9	$ 33.9

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Supplemental Financial Statement Information (Footnote)

9 Months Ended

Sep. 30, 2013

Supplemental Financial Statement Information [Abstract]

Additional Financial Information Disclosure [Text Block]

SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION

Consolidated statements of cash flows:

Depreciation and amortization in the accompanying unaudited consolidated statements of cash flows included the following (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Depreciation of property, plant and equipment	22.2	20.9	63.5	62.0
Amortization of intangible assets	1.4	1.5	4.4	4.5
Amortization of other long-term assets	0.7	1.2	3.0	3.7
Total depreciation and amortization	24.3	23.6	70.9	70.2

Cash paid for interest and income taxes was as follows (in millions):

	Nine months ended September 30,
	2013	2012
	$	$
Interest paid	24.6	19.9
U.S. Federal and state income taxes paid, net of refunds received	6.1	32.5

Purchases of property, plant and equipment accrued in accounts payable and not yet paid were $2.2 million and $8.3 million for the nine months ended September 30, 2013 and 2012, respectively, and were not reflected as capital expenditures in the unaudited consolidated statements of cash flows. For thenine months ended September 30, 2013and2012, we capitalized interestof $1.2 million and $0.8 million, respectively, related to long-term capital projects.

Consolidated statements of equity:

Changes in accumulated other comprehensive income (loss) ("AOCI") were as follows (in millions):

	Unrealized net actuarial gain (loss), prior service cost and other related to pension and OPEB		Accumulated tax benefit (expense) related to unrealized net actuarial gain/loss, prior service cost and other related to pension and OPEB		Unrealized gain (loss) on derivatives		Accumulated tax benefit (expense) related to unrealized gain or loss on derivatives		Total, net of tax
	$		$		$		$		$
Balance, December 31, 2011	(163.8	)	61.2		94.1		(33.9	)	(42.4	)
Amounts recorded to AOCI for the period	(24.3	)	9.6		(3.5	)	1.3		(16.9	)
Reclassification of amounts realized in net income (loss)	11.9		(4.7	)	(84.2	)	30.6		(46.4	)
Balance, December 31, 2012	(176.2	)	66.1		6.4		(2.0	)	(105.7	)
Reclassification of amounts realized in net income (loss)	10.4		(3.7	)	(6.4	)	2.0		2.3
Balance, September 30, 2013	(165.8	)	62.4		—		—		(103.4	)

Reclassifications out of AOCI were included in the unaudited consolidated statements of operations as follows (in millions):

Details about accumulated other comprehensive income (loss) components	Amount reclassified from accumulated other comprehensive income (loss)								Affected line item in the unaudited consolidated statements of operations
	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Selling, general and administrative expenses ("SGA")
Actuarial gain/loss	0.7		0.6		2.1		1.8		(1)
Prior service costs	0.1		—		0.2		0.1		(1)
Total pension amounts reclassified into SGA	0.8		0.6		2.3		1.9		Selling, general and administrative expenses
Cost of sales ("COS")
Actuarial gain/loss	2.5		2.2		7.5		6.5		(1)
Prior service costs	0.2		0.1		0.6		0.2		(1)
Total pension amounts reclassified into COS	2.7		2.3		8.1		6.7		Cost of sales
Reclassification of pension and OPEB amounts realized in net income	3.5		2.9		10.4		8.6
Income taxes related to reclassifications of pension and OPEB amounts	(1.3	)	(1.1	)	(3.7	)	(3.2	)	Income tax expense (benefit)
Reclassification of pension and OPEB amounts realized in net income, net of tax	2.2		1.8		6.7		5.4		Net income (loss)
Reclassification of derivative amounts realized in net income	—		(25.3	)	(6.4	)	(64.3	)	(Gain) loss on hedging activities, net
Income taxes related to reclassifications of derivative amounts	—		9.2		2.0		23.4		Income tax expense (benefit)
Reclassification of derivative amounts realized in net income, net of tax	—		(16.1	)	(4.4	)	(40.9	)	Net income (loss)

⁽¹⁾  These accumulated other comprehensive income components are included in the computation of net periodic pension cost shown in Note 10, "Pensions and Other Post-Retirement Benefits."

Consolidated balance sheets:

Cash and cash equivalents consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Cash	33.9	26.1
Money market funds	30.0	10.0
Total cash and cash equivalents	63.9	36.1

Accounts receivable, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Trade	105.9		106.8
Allowance for doubtful accounts	(0.2	)	(0.2	)
Total accounts receivable, net	105.7		106.6

Other current assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Current foreign deferred tax asset	2.6	2.6
Employee loans receivable, net	2.1	2.0
Current derivative assets (see Note 11, "Derivative Financial Instruments")	4.4	2.6
Other current assets	5.6	11.7
Total other current assets	14.7	18.9

Other assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Deferred financing costs, net of amortization	8.2	9.3
Cash surrender value of life insurance	26.8	26.3
Pension asset	10.2	9.7
Restricted cash (see Note 9, "Asset Retirement and Other Obligations")	12.7	12.8
Supplies	10.0	13.0
Prepaid Jamaican income taxes	12.7	12.7
Derivative asset	0.2	0.1
Other	12.6	12.2
Total other assets	93.4	96.1

Accrued liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Compensation and benefits	21.3	17.4
Workers’ compensation	5.3	5.7
Other operating expenses	16.1	15.6
Accrued interest	11.3	2.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	2.2	2.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	4.3	4.9
Reclamation obligation (see Note 9, "Asset Retirement and Other Obligations")	0.7	2.5
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.8	2.0
Obligations to the Government of Jamaica	5.6	5.3
Pension and OPEB liabilities (see Note 10, "Pensions and Other Post-Retirement Benefits")	0.9	0.9
Restricted stock unit ("RSU") liability awards (see Note 13, "Share-Based Payments")	—	0.1
Total accrued liabilities	69.5	58.8

Other long-term liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Reserve for uncertain tax positions	0.6	0.8
Workers’ compensation	15.5	15.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	14.0	13.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	7.9	9.2
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.1	1.2
Deferred compensation and other	11.1	12.7
Total other long-term liabilities	50.2	52.3

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Derivative Financial Instruments Derivative Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss on hedging activities, net	$ 2.4	$ (25.4)	$ 0	$ (62.5)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(25.3)	(6.4)	(64.3)
Fixed price aluminum swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss on hedging activities, net		(31.7)	(6.4)	(83.9)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		$ (31.7)	$ (6.4)	$ (83.9)

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Accounting Policies (Footnote)

9 Months Ended

Sep. 30, 2013

Accounting Policies [Abstract]

Significant Accounting Policies [Text Block]

ACCOUNTING POLICIES

Organization, Consolidation and Basis of Presentation

The accompanying unaudited consolidated financial statements represent the consolidation of Noranda Aluminum Holding Corporation and all companies that we directly or indirectly control ("Noranda," "the Company," "we," "us," and "our"). "Noranda HoldCo" refers only to Noranda Aluminum Holding Corporation, excluding its subsidiaries. "Noranda AcquisitionCo" refers only to Noranda Aluminum Acquisition Corporation, the wholly-owned direct subsidiary of Noranda HoldCo, excluding its subsidiaries.

These unaudited consolidated financial statements have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("U.S. GAAP") for interim financial information. The consolidated financial statements, including these condensed notes, are unaudited and exclude some of the disclosures required in annual consolidated financial statements. Consolidated balance sheet data as of December 31, 2012 was derived from our audited consolidated financial statements. In management's opinion, these unaudited consolidated financial statements include all adjustments (including normal recurring accruals) that are considered necessary for the fair presentation of our financial position and operating results. All intercompany transactions and accounts have been eliminated in consolidation. Certain reclassifications have been made to previously issued unaudited consolidated financial statements to conform to the current period presentation. These reclassifications had no impact on net income or net cash flows.

The operating results presented for interim periods are not necessarily indicative of the results that may be expected for any other interim period or for the entire year. For example, our interim operating results are affected by peak power usage rates from June through September each year which affect our operating costs at the New Madrid smelter. We are also subject to seasonality associated with the demand cycles of our end-use customers, which results in lower shipment levels from November to February relative to other periods during the year.

These unaudited consolidated financial statements should be read in conjunction with our audited consolidated financial statements included in our Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission ("SEC") on February 28, 2013.

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Non-Controlling Interest (Tables)

9 Months Ended

Sep. 30, 2013

Noncontrolling Interest Items [Abstract]

Schedule of Balance Sheet Components Related to NonControlling Interest

We consolidate NJBP into our consolidated financial statements as follows (in millions):

	September 30, 2013						December 31, 2012
	NJBP balances		Impact of Eliminations		Impact on consolidated statements		NJBP balances		Impact of Eliminations		Impact on consolidated statements
	$		$		$		$		$		$
Cash and cash equivalents	0.2		—		0.2		1.7		—		1.7
Accounts receivable, net	14.6		(14.6	)	—		15.4		(15.4	)	—
Inventories, net (consisting of maintenance supplies, inventory and fuel)	19.0		—		19.0		12.6		—		12.6
Other current assets	2.6		—		2.6		1.6		—		1.6
Property, plant and equipment, net	41.9		—		41.9		40.1		—		40.1
Other assets	5.0		—		5.0		5.0		—		5.0
Accounts payable	(67.1	)	55.5		(11.6	)	(58.3	)	49.2		(9.1	)
Accrued liabilities	(3.6	)	—		(3.6	)	(3.8	)	—		(3.8	)
Environmental, land and reclamation liabilities	(0.7	)	—		(0.7	)	(2.4	)	—		(2.4	)
Non-controlling interest	(6.0	)	—		(6.0	)	(6.0	)	—		(6.0	)
St. Ann’s net investment and advances to NJBP	5.9		40.9		46.8		5.9		33.8		39.7

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Segments (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting, Measurement Disclosures [Abstract]

Schedule reconciling segment profit loss to consolidated income before income taxes [Table Text Block]

The following tables present operating and asset information for our reportable segments (in millions):

	Three months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	11.1		49.5		133.4		145.9		—		—		339.9
Intersegment	19.8		35.7		19.6		—		—		(75.1	)	—
Total sales	30.9		85.2		153.0		145.9		—		(75.1	)	339.9
Capital expenditures	1.5		4.2		7.5		2.5		0.5		—		16.2
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	2.3		3.9		(1.1	)	13.6		(7.5	)	(0.2	)	11.0
Depreciation and amortization	(2.9	)	(6.0	)	(10.2	)	(5.1	)	(0.1	)	—		(24.3	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.3		(1.1	)	—		(0.1	)	1.1
Loss on disposal of assets	(0.1	)	—		—		(1.5	)	—		—		(1.6	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.8	)	(1.5	)	(1.6	)	—		(5.1	)
Relocation and severance	—		—		0.1		—		(0.9	)	—		(0.8	)
Cash settlements on hedging transactions	—		—		0.6		2.3		—		—		2.9
Other, net	0.1		(0.1	)	—		0.1		(0.5	)	0.1		(0.3	)
Operating income (loss)	(0.6	)	(2.4	)	(10.1	)	6.8		(10.6	)	(0.2	)	(17.1	)
Interest expense, net													12.6
Loss on hedging activities, net													2.4
Total other expense, net													15.0
Loss before income taxes													(32.1	)

	Three months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	13.6		48.6		129.1		145.5		—		—		336.8
Intersegment	20.0		32.0		18.1		—		—		(70.1	)	—
Total sales	33.6		80.6		147.2		145.5		—		(70.1	)	336.8
Capital expenditures	2.6		4.6		7.1		2.7		0.9		—		17.9
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	0.3		1.8		3.1		12.0		(7.3	)	0.2		10.1
Depreciation and amortization	(2.1	)	(5.8	)	(11.0	)	(4.4	)	(0.3	)	—		(23.6	)
Last in, first out and lower of cost or market inventory adjustments	—		—		3.0		6.8		—		0.2		10.0
Gain (loss) on disposal of assets	0.2		—		(1.4	)	—		—		—		(1.2	)
Non-cash pension, accretion and stock compensation	—		(0.2	)	(1.4	)	(1.3	)	(1.1	)	—		(4.0	)
Consulting fees	—		—		—		—		(0.2	)	—		(0.2	)
Relocation and severance	—		—		0.1		(0.1	)	(0.1	)	—		(0.1	)
Cash settlements on hedging transactions	—		—		0.2		2.3		—		—		2.5
Other, net (1)	—		—		(3.6	)	(0.1	)	—		(0.6	)	(4.3	)
Operating income (loss)	(1.6	)	(4.2	)	(11.0	)	15.2		(9.0	)	(0.2	)	(10.8	)
Interest expense, net													8.9
Gain on hedging activities, net													(25.4	)
Total other income, net													(16.5	)
Income before income taxes													5.7

⁽¹⁾  "Other, net" in the table above includes $3.5 million of contingency costs to assemble a back-up labor force during the renegotiation of our collective bargaining agreement at our New Madrid smelter during third quarter 2012.

	Nine months ended September 30, 2013
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	33.8		142.9		408.6		445.0		—		—		1,030.3
Intersegment	62.7		115.5		62.2		—		—		(240.4	)	—
Total sales	96.5		258.4		470.8		445.0		—		(240.4	)	1,030.3
Capital expenditures	8.7		13.1		23.2		8.7		2.0		—		55.7
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	7.2		10.8		37.0		41.6		(24.3	)	—		72.3
Depreciation and amortization	(7.9	)	(16.6	)	(31.4	)	(14.4	)	(0.6	)	—		(70.9	)
Last in, first out and lower of cost or market inventory adjustments	—		—		2.7		(3.4	)	—		(0.4	)	(1.1	)
Gain (loss) on disposal of assets	(0.1	)	0.5		0.1		(2.7	)	—		—		(2.2	)
Non-cash pension, accretion and stock compensation	0.1		(0.7	)	(5.3	)	(4.4	)	(4.4	)	—		(14.7	)
Relocation and severance	—		(0.2	)	(0.3	)	(0.1	)	(1.3	)	—		(1.9	)
Consulting fees	—		—		—		—		(0.4	)	—		(0.4	)
Cash settlements on hedging transactions	—		—		1.3		5.3		—		—		6.6
Other, net	—		(0.3	)	—				(0.4	)	0.4		(0.3	)
Operating income (loss)	(0.7	)	(6.5	)	4.1		21.9		(31.4	)	—		(12.6	)
Interest expense, net													34.9
Gain on hedging activities, net													—
Debt refinancing expense													2.5
Total other income, net													37.4
Loss before income taxes													(50.0	)

	Nine months ended September 30, 2012
	Bauxite		Alumina		Primary Aluminum		Flat-Rolled Products		Corporate		Eliminations		Consolidated
	$		$		$		$		$		$		$
Sales:
External customers	37.3		162.1		413.1		449.5		—		—		1,062.0
Intersegment	61.8		106.2		58.2		—		—		(226.2	)	—
Total sales	99.1		268.3		471.3		449.5		—		(226.2	)	1,062.0
Capital expenditures	6.6		12.8		27.8		10.4		2.2		—		59.8
Reconciliation of segment profit (loss) to operating income (loss):
Segment profit (loss)	3.9		29.2		51.9		41.1		(22.3	)	—		103.8
Depreciation and amortization	(6.3	)	(16.3	)	(32.9	)	(13.7	)	(1.0	)	—		(70.2	)
Last in, first out and lower of cost or market inventory adjustments	—		—		7.4		7.2		—		(0.3	)	14.3
Gain (loss) on disposal of assets	0.2		—		(3.0	)	4.2		—		—		1.4
Non-cash pension, accretion and stock compensation	(0.1	)	(0.6	)	(4.1	)	(3.7	)	(4.6	)	—		(13.1	)
Relocation and severance	—		—		(0.1	)	(0.2	)	(0.2	)	—		(0.5	)
Consulting fees	—		—		—		—		(0.7	)	—		(0.7	)
Cash settlements on hedging transactions	—		—		0.7		6.3		—		—		7.0
Other, net (1)	—		(0.4	)	(3.5	)	—		(0.2	)	(0.1	)	(4.2	)
Operating income (loss)	(2.3	)	11.9		16.4		41.2		(29.0	)	(0.4	)	37.8
Interest expense, net													24.2
Gain on hedging activities, net													(62.5	)
Debt refinancing expense													8.1
Total other income, net													(30.2	)
Income before income taxes													68.0

Schedule reconciling segment assets to consolidated assets

	September 30, 2013		December 31, 2012
Segment assets:	$		$
Bauxite	149.8		154.3
Alumina	230.6		238.0
Primary Aluminum	526.3		534.2
Flat-Rolled Products	353.8		374.2
Corporate	116.8		84.0
Eliminations	(19.3	)	(27.0	)
Total assets	1,358.0		1,357.7

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Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2013

Property, Plant and Equipment, Net [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment, net, consisted of the following (in millions):

	Estimated useful lives in years			September 30, 2013		December 31, 2012
				$		$
Land				51.1		50.4
Buildings and improvements	10	—	47	161.6		151.0
Machinery and equipment	3	—	50	893.4		876.9
Construction in progress				48.4		48.2
Property, plant and equipment, at cost				1,154.5		1,126.5
Accumulated depreciation				(472.1	)	(432.0	)
Total property, plant and equipment, net				682.4		694.5

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Derivative Financial Instruments Derivative Financial Instruments (Schedule of Net Amount of Unrealized Gains (Losses) on Cash Flow Hedges Reported AOCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss on hedging activities, net	$ 2.4	$ (25.4)	$ 0	$ (62.5)
Fixed price aluminum customer contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss on hedging activities, net	1.9	7.1		3.9
Natural gas swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss on hedging activities, net		$ 6.1	$ 11.7	$ 20.5

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Shareholders' Equity Shareholders' Equity Schedule of Dividends Declared (Tables)

9 Months Ended

Sep. 30, 2013

Shareholders' Equity [Abstract]

Dividend disclosures [Table Text Block]

Dividends declared and paid during the nine months ended September 30, 2013 were as follows:

Declaration date	Per share dividend amount	Date paid	Total cash payment
	$/share		$ in millions
February 20, 2013	0.04	March 27, 2013	2.7
April 24, 2013	0.04	May 29, 2013	2.7
July 24, 2013	0.04	August 28, 2013	2.8

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Derivative Financial Instruments (Schedule of Gross Components of Net Derivative Balances) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	$ 4.4	$ 2.6
Derivative Liabilities, Current	(4.5)	(1.8)
Long-term derivative liabilities, net	0	(0.1)
Derivative Assets, Noncurrent	0.2	0.1
Other Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	4.4	2.1
Derivative Liabilities, Current	(0.9)	(1.8)
Long-term derivative liabilities, net	0	(0.1)
Derivative Assets, Noncurrent	0.2	0.1
Other Contract [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Current	0
Long-term derivative liabilities, net	0
Long-term derivative liabilities, gross		0
Long-term derivative assets, gross		0
Derivative Assets, Noncurrent		0
Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	(3.8)	(1.5)
Derivative Assets, Current	0	0.5
Current derivative assets, gross	0.2	2.0
Derivative Liabilities, Current	(3.6)	0
Long-term derivative liabilities, net	0
Long-term derivative liabilities, gross	0	0
Long-term derivative assets, gross	0	0
Derivative Assets, Noncurrent	0	0
Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	(0.2)	(1.5)
Long-term derivative liabilities, net		0
Derivative Assets, Noncurrent		0
counterparty_one [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	0	0.5
Derivative Liabilities, Current	(3.6)	0
Derivative Assets, Noncurrent	0	0.1
counterparty_one [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Long-term derivative liabilities, net	0
counterparty_one [Member] | Other Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	0	0
Derivative Liabilities, Current	0	0
Long-term derivative liabilities, net	0
Derivative Assets, Noncurrent	0	0.1
counterparty_one [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	(3.6)	(1.5)
Derivative Assets, Current	0	0.5
Current derivative assets, gross	0	2.0
Long-term derivative liabilities, net	0	0
Long-term derivative liabilities, gross	0	0
Long-term derivative assets, gross	0	0
Derivative Assets, Noncurrent	0	0
counterparty_one [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	0
Derivative Liabilities, Current	(3.6)	0
Long-term derivative liabilities, net		0
Long-term derivative assets, gross		0
Counterparty_two [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	0
Derivative Liabilities, Current	0	0
Long-term derivative liabilities, net		0
Derivative Assets, Noncurrent	0	0
Counterparty_two [Member] | Other Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current	0	0
Derivative Liabilities, Current	0	0
Long-term derivative liabilities, net	0	0
Long-term derivative liabilities, gross		0
Long-term derivative assets, gross		0
Derivative Assets, Noncurrent	0	0
Counterparty_two [Member] | Other Contract [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Long-term derivative liabilities, net		0
Counterparty_two [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	(0.2)
Derivative Assets, Current	0
Current derivative assets, gross	0.2
Long-term derivative liabilities, net	0
Long-term derivative liabilities, gross	0
Long-term derivative assets, gross	0
Derivative Assets, Noncurrent	0
Counterparty_two [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	(0.2)
Derivative Liabilities, Current	0
other counterparty [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross		0
Derivative Assets, Current	4.4	2.1
Derivative Liabilities, Current	(0.9)	(1.8)
Long-term derivative liabilities, net		(0.1)
Derivative Assets, Noncurrent	0.2	0
other counterparty [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Current		0
other counterparty [Member] | Other Contract [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross		0
Derivative Assets, Current	4.4	2.1
Derivative Liabilities, Current	(0.9)	(1.8)
Long-term derivative liabilities, net		(0.1)
Derivative Assets, Noncurrent	0.2	0
other counterparty [Member] | Other Contract [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Current		0
other counterparty [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	0	0
Derivative Assets, Current	0	0
Current derivative assets, gross	0	0
Long-term derivative liabilities, net	0	0
Long-term derivative liabilities, gross	0	0
Long-term derivative assets, gross	0	0
Derivative Assets, Noncurrent	0
other counterparty [Member] | Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member] | derivatives, net [Member]
Derivatives, Fair Value [Line Items]
Current derivative liabilities, gross	0
Derivative Assets, Current		0
Derivative Liabilities, Current		$ 0

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Fair Value Measurements (Schedule of Assets and Liabilities Measured on Recurring Basis) (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Fair Value, Net	$ 100,000	$ 800,000
Money market funds	30,000,000	10,000,000
Derivative Assets, Fair Value	4,600,000	4,200,000
Derivative Liabilities, Fair Value	(4,500,000)	(3,400,000)
Restricted Stock Unit Liabilities, Fair Value	0	(100,000)
Total Fair Value of Net Assets and Liabilities Measured on a Recurring Basis	30,100,000	10,700,000
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	30,000,000	10,000,000
Derivative Assets, Fair Value	0	0
Derivative Liabilities, Fair Value	0	0
Restricted Stock Unit Liabilities, Fair Value		(100,000)
Total Fair Value of Net Assets and Liabilities Measured on a Recurring Basis	30,000,000	9,900,000
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Derivative Assets, Fair Value	4,600,000	3,100,000
Derivative Liabilities, Fair Value	(3,600,000)	(3,400,000)
Restricted Stock Unit Liabilities, Fair Value		0
Total Fair Value of Net Assets and Liabilities Measured on a Recurring Basis	1,000,000	(300,000)
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Derivative Assets, Fair Value	0	1,100,000
Derivative Liabilities, Fair Value	(900,000)	0
Restricted Stock Unit Liabilities, Fair Value		0
Total Fair Value of Net Assets and Liabilities Measured on a Recurring Basis	(900,000)	1,100,000
Midwest premium contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Fair Value, Net	(900,000)	1,100,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	800,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Return on Assets	(1,900,000)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	$ (900,000)

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Supplemental Financial Statement Information (Schedule of Accounts Receivable) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Supplemental Financial Statement Information [Abstract]
Document Period End Date	Sep. 30, 2013
Trade	$ 105.9	$ 106.8
Allowance for doubtful accounts	(0.2)	(0.2)
Total accounts receivable, net	$ 105.7	$ 106.6

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Supplemental Financial Statement Information (Schedule of Depreciation and Amortization) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Supplemental Financial Statement Information [Abstract]
Depreciation	$ 22.2	$ 20.9	$ 63.5	$ 62.0
Amortization of intangible assets	1.4	1.5	4.4	4.5
Amortization of other long-term assets	0.7	1.2	3.0	3.7
Total depreciation and amortization	$ 24.3	$ 23.6	$ 70.9	$ 70.2

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Consolidated Balance Sheets Consolidated Balance Sheets (Parentheticals) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Common stock, shares subject to redemption	0	200,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000,000	200,000,000
Common stock, shares issued	68,000,000	67,700,000
Common stock, shares outstanding	68,000,000	67,700,000

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Property, Plant and Equipment (Footnote)

9 Months Ended

Sep. 30, 2013

Property, Plant and Equipment, Net [Abstract]

Property, plant and equipment disclosure

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment, net, consisted of the following (in millions):

	Estimated useful lives in years			September 30, 2013		December 31, 2012
				$		$
Land				51.1		50.4
Buildings and improvements	10	—	47	161.6		151.0
Machinery and equipment	3	—	50	893.4		876.9
Construction in progress				48.4		48.2
Property, plant and equipment, at cost				1,154.5		1,126.5
Accumulated depreciation				(472.1	)	(432.0	)
Total property, plant and equipment, net				682.4		694.5

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Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income (loss)	$ (18.2)	$ 3.8	$ (29.9)	$ 45.3
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	0	(16.7)	0	(16.7)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	3.5	2.9	10.4	8.6
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0	(0.1)	0	(3.5)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0	(25.3)	(6.4)	(64.3)
Other Comprehensive Income (Loss), before Tax	3.5	(39.2)	4.0	(75.9)
Income tax benefit related to components of other comprehensive loss	(1.3)	14.3	(1.7)	27.6
Total other comprehensive loss, net of tax	2.2	(24.9)	2.3	(48.3)
Total comprehensive income (loss)	$ (16.0)	$ (21.1)	$ (27.6)	$ (3.0)

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Property Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) (USD $) In Millions, unless otherwise specified											9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Land [Member]	Dec. 31, 2012 Land [Member]	Sep. 30, 2013 Building and Building Improvements [Member]	Dec. 31, 2012 Building and Building Improvements [Member]	Sep. 30, 2013 Machinery and Equipment [Member]	Dec. 31, 2012 Machinery and Equipment [Member]	Sep. 30, 2013 Construction in Progress [Member]	Dec. 31, 2012 Construction in Progress [Member]	Sep. 30, 2013 Minimum [Member] Building and Building Improvements [Member]	Sep. 30, 2013 Minimum [Member] Machinery and Equipment [Member]	Sep. 30, 2013 Maximum [Member] Building and Building Improvements [Member]	Sep. 30, 2013 Maximum [Member] Machinery and Equipment [Member]
Statement [Line Items]
Property, plant and equipment, at cost	$ 1,154.5	$ 1,126.5	$ 51.1	$ 50.4	$ 161.6	$ 151.0	$ 893.4	$ 876.9	$ 48.4	$ 48.2
Property, Plant and Equipment, Estimated Useful Lives											P10Y	P3Y	P47Y	P50Y
Accumulated depreciation	(472.1)	(432.0)
Property, plant and equipment, net	$ 682.4	$ 694.5

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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Mar. 03, 2008
ASSETS
Cash and cash equivalents	$ 63.9	$ 36.1	$ 36.1	$ 33.9	$ 42.7
Accounts receivable, net	105.7		106.6
Inventories, net	193.7		195.8
Income Taxes Receivable, Current	4.4		2.0
Prepaid expenses	5.5		8.9
Other current assets	14.7		18.9
Total current assets	387.9		368.3
Property, plant and equipment, net	682.4		694.5
Goodwill	137.6		137.6
Other intangible assets, net	56.7		61.2
Other assets	93.4		96.1
Assets	1,358.0		1,357.7
LIABILITIES AND EQUITY
Accounts payable	98.0		107.2
Accrued liabilities	69.5		58.8
Derivative Liabilities, Current	4.5		1.8
Current deferred tax liabilities, net	10.1		16.8
Current portion of long-term debt	4.9		3.3
Total current liabilities	187.0		187.9
Long-term debt, net	644.2		592.4
Long-term derivative liabilities, net	0		0.1
Pension and other post-retirement benefit liabilities	186.3		187.2
Other long-term liabilities	50.2		52.3
Long-term deferred tax liabilities	168.8		183.5
Common stock subject to redemption	0		2.0			2.0
Shareholders' equity:
Preferred stock (25.0 shares authorized, $0.01 par value; no shares issued and outstanding at September 30, 2013 and December 31, 2012)	0		0
Common stock (200.0 shares authorized; $0.01 par value; 68.0 shares issued and outstanding at September 30, 2013; 67.7 shares issued and outstanding at December 31, 2012, including 0.2 shares subject to redemption at December 31, 2012)	0.7		0.7
Capital in excess of par value	238.4		233.4
Retained earnings (accumulated deficit)	(20.2)		17.9
Accumulated other comprehensive income (loss)	(103.4)		(105.7)
Total shareholders' equity	115.5		146.3
Non-controlling interest	6.0		6.0
Total equity	121.5		152.3		259.6
Total liabilities and equity	$ 1,358.0		$ 1,357.7

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Other Current Assets) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Supplemental Financial Statement Information [Abstract]
Document Period End Date	Sep. 30, 2013
Current foreign deferred tax assets	$ 2.6	$ 2.6
Employee loans receivable, net	2.1	2.0
Current derivative assets, net	4.4	2.6
Other miscellaneous current assets	5.6	11.7
Total other current assets	$ 14.7	$ 18.9

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Share-Based Payments (Schedule of Stock Option Activity) (Details) (USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated forfeiture rate	0.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	1 year 3 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 0.00
Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of period	1,307,989
Weighted average exercise price, outstanding, beginning of period	$ 1.89
Common shares, exercised	(104,640)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 1.60
Exercised, intrinsic value	$ 0.2
Options outstanding, end of period	1,196,349
Weighted average exercise price, outstanding, end of period	$ 1.92
Options outstanding, intrinsic value, end of period	1.0
Common shares, currently exercisable	974,578
Weighted average exercise price, currently exerciseable	$ 2.10
Common shares exerciseable, intrinsic value	0.7	5.7
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(7,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 1.14
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	0
Investor Director Provider [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of period	140,000
Weighted average exercise price, outstanding, beginning of period	$ 9.00
Common shares, exercised	0
Exercised, intrinsic value	0
Options outstanding, end of period	140,000
Weighted average exercise price, outstanding, end of period	$ 9.00
Options outstanding, intrinsic value, end of period	0
Common shares, currently exercisable	140,000
Weighted average exercise price, currently exerciseable	$ 9.00
Common shares exerciseable, intrinsic value	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	0
Restricted Stock Units (RSUs) [Member] | Service Vesting Awards [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	28,102
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$ 10.93
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	236,314
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 11.81
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units Granted	27,102
Dividend equivalent units granted during period, weighted average grant date fair value	$ 3.63
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	968,147	747,937
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 8.53	$ 12.48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 4.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	457,524
Restricted Stock Units (RSUs) [Member] | Performance Vesting Awards Target [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	4,479
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value	$ 6.05
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units Granted	9,458
Dividend equivalent units granted during period, weighted average grant date fair value	$ 3.72
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	299,315	294,336
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 5.16	$ 5.22
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	0
Performance Shares [Member] | Performance Vesting Awards Target [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	(8,903)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units Granted	28,814
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	1,059,226	526,327
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 512,988.00

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Shareholders' Equity Shareholders' Equity (Subsequent Events) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Mar. 03, 2008 M
Subsequent Event [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.01	$ 0.04	$ 0.04	$ 0.12	$ 1.37
Dividends Payable	$ 0.7
Minimum employment period to receive benefits following change in control							12
Common stock subject to redemption		$ 0		$ 0		$ 2.0	$ 2.0

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Tables)

9 Months Ended

Sep. 30, 2013

Supplemental Financial Statement Information [Abstract]

Schedule of depreciation and amortization

Depreciation and amortization in the accompanying unaudited consolidated statements of cash flows included the following (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Depreciation of property, plant and equipment	22.2	20.9	63.5	62.0
Amortization of intangible assets	1.4	1.5	4.4	4.5
Amortization of other long-term assets	0.7	1.2	3.0	3.7
Total depreciation and amortization	24.3	23.6	70.9	70.2

Schedule of supplemental cash flow disclosures

Cash paid for interest and income taxes was as follows (in millions):

	Nine months ended September 30,
	2013	2012
	$	$
Interest paid	24.6	19.9
U.S. Federal and state income taxes paid, net of refunds received	6.1	32.5

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Reclassifications out of AOCI were included in the unaudited consolidated statements of operations as follows (in millions):

Details about accumulated other comprehensive income (loss) components	Amount reclassified from accumulated other comprehensive income (loss)								Affected line item in the unaudited consolidated statements of operations
	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Selling, general and administrative expenses ("SGA")
Actuarial gain/loss	0.7		0.6		2.1		1.8		(1)
Prior service costs	0.1		—		0.2		0.1		(1)
Total pension amounts reclassified into SGA	0.8		0.6		2.3		1.9		Selling, general and administrative expenses
Cost of sales ("COS")
Actuarial gain/loss	2.5		2.2		7.5		6.5		(1)
Prior service costs	0.2		0.1		0.6		0.2		(1)
Total pension amounts reclassified into COS	2.7		2.3		8.1		6.7		Cost of sales
Reclassification of pension and OPEB amounts realized in net income	3.5		2.9		10.4		8.6
Income taxes related to reclassifications of pension and OPEB amounts	(1.3	)	(1.1	)	(3.7	)	(3.2	)	Income tax expense (benefit)
Reclassification of pension and OPEB amounts realized in net income, net of tax	2.2		1.8		6.7		5.4		Net income (loss)
Reclassification of derivative amounts realized in net income	—		(25.3	)	(6.4	)	(64.3	)	(Gain) loss on hedging activities, net
Income taxes related to reclassifications of derivative amounts	—		9.2		2.0		23.4		Income tax expense (benefit)
Reclassification of derivative amounts realized in net income, net of tax	—		(16.1	)	(4.4	)	(40.9	)	Net income (loss)

⁽¹⁾  These accumulated other comprehensive income components are included in the computation of net periodic pension cost shown in Note 10, "Pensions and Other Post-Retirement Benefits."

Schedule of changes in accumulated other comprehensive income (loss)

Changes in accumulated other comprehensive income (loss) ("AOCI") were as follows (in millions):

	Unrealized net actuarial gain (loss), prior service cost and other related to pension and OPEB		Accumulated tax benefit (expense) related to unrealized net actuarial gain/loss, prior service cost and other related to pension and OPEB		Unrealized gain (loss) on derivatives		Accumulated tax benefit (expense) related to unrealized gain or loss on derivatives		Total, net of tax
	$		$		$		$		$
Balance, December 31, 2011	(163.8	)	61.2		94.1		(33.9	)	(42.4	)
Amounts recorded to AOCI for the period	(24.3	)	9.6		(3.5	)	1.3		(16.9	)
Reclassification of amounts realized in net income (loss)	11.9		(4.7	)	(84.2	)	30.6		(46.4	)
Balance, December 31, 2012	(176.2	)	66.1		6.4		(2.0	)	(105.7	)
Reclassification of amounts realized in net income (loss)	10.4		(3.7	)	(6.4	)	2.0		2.3
Balance, September 30, 2013	(165.8	)	62.4		—		—		(103.4	)

Schedule of cash and cash equivalents

Cash and cash equivalents consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Cash	33.9	26.1
Money market funds	30.0	10.0
Total cash and cash equivalents	63.9	36.1

Schedule of accounts receivable

Accounts receivable, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Trade	105.9		106.8
Allowance for doubtful accounts	(0.2	)	(0.2	)
Total accounts receivable, net	105.7		106.6

Schedule of other current assets

Other current assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Current foreign deferred tax asset	2.6	2.6
Employee loans receivable, net	2.1	2.0
Current derivative assets (see Note 11, "Derivative Financial Instruments")	4.4	2.6
Other current assets	5.6	11.7
Total other current assets	14.7	18.9

Schedule of other noncurrent assets

Other assets consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Deferred financing costs, net of amortization	8.2	9.3
Cash surrender value of life insurance	26.8	26.3
Pension asset	10.2	9.7
Restricted cash (see Note 9, "Asset Retirement and Other Obligations")	12.7	12.8
Supplies	10.0	13.0
Prepaid Jamaican income taxes	12.7	12.7
Derivative asset	0.2	0.1
Other	12.6	12.2
Total other assets	93.4	96.1

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Compensation and benefits	21.3	17.4
Workers’ compensation	5.3	5.7
Other operating expenses	16.1	15.6
Accrued interest	11.3	2.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	2.2	2.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	4.3	4.9
Reclamation obligation (see Note 9, "Asset Retirement and Other Obligations")	0.7	2.5
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.8	2.0
Obligations to the Government of Jamaica	5.6	5.3
Pension and OPEB liabilities (see Note 10, "Pensions and Other Post-Retirement Benefits")	0.9	0.9
Restricted stock unit ("RSU") liability awards (see Note 13, "Share-Based Payments")	—	0.1
Total accrued liabilities	69.5	58.8

Schedule of other long-term liabilities

Other long-term liabilities consisted of the following (in millions):

	September 30, 2013	December 31, 2012
	$	$
Reserve for uncertain tax positions	0.6	0.8
Workers’ compensation	15.5	15.0
Asset retirement obligations (see Note 9, "Asset Retirement and Other Obligations")	14.0	13.4
Land obligation (see Note 9, "Asset Retirement and Other Obligations")	7.9	9.2
Environmental remediation obligations (see Note 9, "Asset Retirement and Other Obligations")	1.1	1.2
Deferred compensation and other	11.1	12.7
Total other long-term liabilities	50.2	52.3

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Income Taxes (Footnote)

9 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

INCOME TAXES

Our effective income tax rate was approximately 43.3% for the three months ended September 30, 2013 and 33.3% for the three months ended September 30, 2012. Our effective income tax rate was approximately 40.2% for the nine months ended September 30, 2013 and 33.4% for the nine months ended September 30, 2012. The effective income tax rates for the three months and nine months ended September 30, 2013 were primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and a foreign deferred tax asset valuation allowance. In regards to state income taxes, our effective income tax rates for the three months and nine months ended September 30, 2013 were impacted by enacted changes in state income tax laws which affected apportionment methods and income tax rates in certain states. As a result of these changes, we recorded a $3.7 million discrete income tax benefit for the three months and nine months ended September 30, 2013. The effective tax rates for the three months ended September 30, 2012 and for the nine months ended September 30, 2012 were primarily impacted by state income taxes, the Internal Revenue Code Section 199 manufacturing deduction, and accrued interest related to unrecognized tax benefits.

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Segments (Schedule of Segment Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		2 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Bauxite [Member]	Sep. 30, 2012 Bauxite [Member]	Sep. 30, 2013 Bauxite [Member]	Sep. 30, 2012 Bauxite [Member]	Dec. 31, 2012 Bauxite [Member]	Sep. 30, 2013 Alumina [Member]	Sep. 30, 2012 Alumina [Member]	Sep. 30, 2013 Alumina [Member]	Sep. 30, 2012 Alumina [Member]	Dec. 31, 2012 Alumina [Member]	Sep. 30, 2013 Primary Aluminum [Member]	Sep. 30, 2012 Primary Aluminum [Member]	Sep. 30, 2013 Primary Aluminum [Member]	Sep. 30, 2012 Primary Aluminum [Member]	Dec. 31, 2012 Primary Aluminum [Member]	Sep. 30, 2013 Flat-Rolled Products [Member]	Sep. 30, 2012 Flat-Rolled Products [Member]	Sep. 30, 2013 Flat-Rolled Products [Member]	Sep. 30, 2012 Flat-Rolled Products [Member]	Dec. 31, 2012 Flat-Rolled Products [Member]	Sep. 30, 2013 Corporate [Member]	Sep. 30, 2012 Corporate [Member]	Sep. 30, 2013 Corporate [Member]	Sep. 30, 2012 Corporate [Member]	Dec. 31, 2012 Corporate [Member]	Sep. 30, 2013 Eliminations [Member]	Sep. 30, 2012 Eliminations [Member]	Sep. 30, 2013 Eliminations [Member]	Sep. 30, 2012 Eliminations [Member]	Dec. 31, 2012 Eliminations [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Bauxite [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Bauxite [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Bauxite [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Bauxite [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Alumina [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Alumina [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Alumina [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Alumina [Member]	Sep. 07, 2012 Segment Reconciling Items [Member] Primary Aluminum [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Primary Aluminum [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Primary Aluminum [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Primary Aluminum [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Primary Aluminum [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Corporate [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Corporate [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Corporate [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Corporate [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Eliminations [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Eliminations [Member]	Sep. 30, 2013 Segment Reconciling Items [Member] Eliminations [Member]	Sep. 30, 2012 Segment Reconciling Items [Member] Eliminations [Member]	Sep. 30, 2013 External customers [Member]	Sep. 30, 2012 External customers [Member]	Sep. 30, 2013 External customers [Member]	Sep. 30, 2012 External customers [Member]	Sep. 30, 2013 External customers [Member] Bauxite [Member]	Sep. 30, 2012 External customers [Member] Bauxite [Member]	Sep. 30, 2013 External customers [Member] Bauxite [Member]	Sep. 30, 2012 External customers [Member] Bauxite [Member]	Sep. 30, 2013 External customers [Member] Alumina [Member]	Sep. 30, 2012 External customers [Member] Alumina [Member]	Sep. 30, 2013 External customers [Member] Alumina [Member]	Sep. 30, 2012 External customers [Member] Alumina [Member]	Sep. 30, 2013 External customers [Member] Primary Aluminum [Member]	Sep. 30, 2012 External customers [Member] Primary Aluminum [Member]	Sep. 30, 2013 External customers [Member] Primary Aluminum [Member]	Sep. 30, 2012 External customers [Member] Primary Aluminum [Member]	Sep. 30, 2013 External customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 External customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 External customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 External customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 External customers [Member] Corporate [Member]	Sep. 30, 2012 External customers [Member] Corporate [Member]	Sep. 30, 2013 External customers [Member] Corporate [Member]	Sep. 30, 2012 External customers [Member] Corporate [Member]	Sep. 30, 2013 External customers [Member] Eliminations [Member]	Sep. 30, 2012 External customers [Member] Eliminations [Member]	Sep. 30, 2013 External customers [Member] Eliminations [Member]	Sep. 30, 2012 External customers [Member] Eliminations [Member]	Sep. 30, 2013 Internal customers [Member]	Sep. 30, 2012 Internal customers [Member]	Sep. 30, 2013 Internal customers [Member]	Sep. 30, 2012 Internal customers [Member]	Sep. 30, 2013 Internal customers [Member] Bauxite [Member]	Sep. 30, 2012 Internal customers [Member] Bauxite [Member]	Sep. 30, 2013 Internal customers [Member] Bauxite [Member]	Sep. 30, 2012 Internal customers [Member] Bauxite [Member]	Sep. 30, 2013 Internal customers [Member] Alumina [Member]	Sep. 30, 2012 Internal customers [Member] Alumina [Member]	Sep. 30, 2013 Internal customers [Member] Alumina [Member]	Sep. 30, 2012 Internal customers [Member] Alumina [Member]	Sep. 30, 2013 Internal customers [Member] Primary Aluminum [Member]	Sep. 30, 2012 Internal customers [Member] Primary Aluminum [Member]	Sep. 30, 2013 Internal customers [Member] Primary Aluminum [Member]	Sep. 30, 2012 Internal customers [Member] Primary Aluminum [Member]	Sep. 30, 2013 Internal customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 Internal customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 Internal customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2012 Internal customers [Member] Flat-Rolled Products [Member]	Sep. 30, 2013 Internal customers [Member] Corporate [Member]	Sep. 30, 2012 Internal customers [Member] Corporate [Member]	Sep. 30, 2013 Internal customers [Member] Corporate [Member]	Sep. 30, 2012 Internal customers [Member] Corporate [Member]	Sep. 30, 2013 Internal customers [Member] Eliminations [Member]	Sep. 30, 2012 Internal customers [Member] Eliminations [Member]	Sep. 30, 2013 Internal customers [Member] Eliminations [Member]	Sep. 30, 2012 Internal customers [Member] Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	$ 339.9	$ 336.8	$ 1,030.3	$ 1,062.0		$ 30.9	$ 33.6	$ 96.5	$ 99.1		$ 85.2	$ 80.6	$ 258.4	$ 268.3		$ 153.0	$ 147.2	$ 470.8	$ 471.3		$ 145.9	$ 145.5	$ 445.0	$ 449.5		$ 0	$ 0	$ 0	$ 0		$ (75.1)	$ (70.1)	$ (240.4)	$ (226.2)																											$ 339.9	$ 336.8	$ 1,030.3	$ 1,062.0	$ 11.1	$ 13.6	$ 33.8	$ 37.3	$ 49.5	$ 48.6	$ 142.9	$ 162.1	$ 133.4	$ 129.1	$ 408.6	$ 413.1	$ 145.9	$ 145.5	$ 445.0	$ 449.5	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 19.8	$ 20.0	$ 62.7	$ 61.8	$ 35.7	$ 32.0	$ 115.5	$ 106.2	$ 19.6	$ 18.1	$ 62.2	$ 58.2	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ (75.1)	$ (70.1)	$ (240.4)	$ (226.2)
Payments to Acquire Property, Plant, and Equipment	16.2	17.9	55.7	59.8		1.5	2.6	8.7	6.6		4.2	4.6	13.1	12.8		7.5	7.1	23.2	27.8		2.5	2.7	8.7	10.4		0.5	0.9	2.0	2.2		0	0	0	0
Segment profit (loss)	11.0	10.1	72.3	103.8																																2.3	0.3	7.2	3.9	3.9	1.8	10.8	29.2		(1.1)	3.1	37.0	51.9	13.6	12.0	41.6	41.1	(7.5)	(7.3)	(24.3)	(22.3)	(0.2)	0.2	0	0
Depreciation and amortization	(24.3)	(23.6)	(70.9)	(70.2)																																(2.9)	(2.1)	(7.9)	(6.3)	(6.0)	(5.8)	(16.6)	(16.3)		(10.2)	(11.0)	(31.4)	(32.9)	(5.1)	(4.4)	(14.4)	(13.7)	(0.1)	(0.3)	(0.6)	(1.0)	0	0	0	0
Last in, first out and lower of cost or market inventory adjustments	(1.1)	(10.0)	1.1	(14.3)																																0	0	0	0	0	0	0	0		(2.3)	(3.0)	(2.7)	(7.4)	1.1	(6.8)	3.4	(7.2)	0	0	0	0	0.1	(0.2)	0.4	0.3
Cash settlements on hedging transactions	(2.9)	(2.5)	(6.6)	(7.0)																																0	0	0	0	0	0	0	0		(0.6)	(0.2)	(1.3)	(0.7)	(2.3)	(2.3)	(5.3)	(6.3)	0	0	0	0	0	0	0	0
Gain (Loss) on Sale of Property Plant Equipment	1.6	1.2	2.2	(1.4)																																0.1	(0.2)	0.1	(0.2)	0	0	(0.5)	0		0	1.4	(0.1)	3.0	1.5	0	2.7	(4.2)	0	0	0	0	0	0	0	0
Non-cash pension, accretion and stock compensation	5.1	4.0	14.7	13.1																																0	0	(0.1)	0.1	0.2	0.2	0.7	0.6		1.8	1.4	5.3	4.1	1.5	1.3	4.4	3.7	1.6	1.1	4.4	4.6	0	0	0	0
Total assets	1,358.0		1,358.0		1,357.7	149.8		149.8		154.3	230.6		230.6		238.0	526.3		526.3		534.2	353.8		353.8		374.2	116.8		116.8		84.0	(19.3)		(19.3)		(27.0)
Other, net	0.3	4.3	0.3	4.2																																(0.1)	0	0	0	0.1	0	0.3	0.4	(3.5)	0	3.6	0	3.5	(0.1)	0.1		0	0.5	0	0.4	0.2	(0.1)	0.6	(0.4)	0.1
Operating Income (Loss)	(17.1)	(10.8)	(12.6)	37.8																																(0.6)	(1.6)	(0.7)	(2.3)	(2.4)	(4.2)	(6.5)	11.9		(10.1)	(11.0)	4.1	16.4	6.8	15.2	21.9	41.2	(10.6)	(9.0)	(31.4)	(29.0)	(0.2)	(0.2)	0	(0.4)
Consulting fees		0.2	0.4	0.7																																	0	0	0		0	0	0			0	0	0		0	0	0		0.2	0.4	0.7		0	0	0
Relocation and severance	0.8	0.1	1.9	0.5																																0	0	0	0	0	0	0.2	0		(0.1)	(0.1)	0.3	0.1	0	0.1	0.1	0.2	0.9	0.1	1.3	0.2	0	0	0	0
Interest Expense	12.6	8.9	34.9	24.2
(Gain) loss on hedging activities, net	2.4	(25.4)	0	(62.5)
Interest and Debt Expense	0	0	2.5	8.1
Nonoperating Income (Expense)	(15.0)	16.5	(37.4)	30.2
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	$ (32.1)	$ 5.7	$ (50.0)	$ 68.0

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Share-Based Payments (Schedule of Stock Compensation Expense) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Stock Options [Member]	Sep. 30, 2012 Stock Options [Member]	Sep. 30, 2013 Stock Options [Member]	Sep. 30, 2012 Stock Options [Member]	Sep. 30, 2013 Restricted Stock and Restricted Stock Units Equity Awards [Member]	Sep. 30, 2012 Restricted Stock and Restricted Stock Units Equity Awards [Member]	Sep. 30, 2013 Restricted Stock and Restricted Stock Units Equity Awards [Member]	Sep. 30, 2012 Restricted Stock and Restricted Stock Units Equity Awards [Member]	Sep. 30, 2013 Restricted Stock Units Liability Awards [Member]	Sep. 30, 2012 Restricted Stock Units Liability Awards [Member]	Sep. 30, 2013 Restricted Stock Units Liability Awards [Member]	Sep. 30, 2012 Restricted Stock Units Liability Awards [Member]	Sep. 30, 2013 Employee And Non Employee Director [Member]	Dec. 31, 2012 Employee And Non Employee Director [Member]	Sep. 30, 2013 Investor Director Provider [Member]	Dec. 31, 2012 Investor Director Provider [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period																	104,640		0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number																	1,196,349	1,307,989	140,000	140,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price			$ 0.00														$ 1.60
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value																	$ 0.2		$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period																	7,000		0
Estimated forfeiture rate			0.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	4.1		4.1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price			$ 0.00														$ 1.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price																	$ 1.92	$ 1.89	$ 9.00	$ 9.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value																	0.7	5.7	0	0
Share-based compensation expense	1.3	0.9	3.4	3.9	0	0.1	0.1	0.4	1.3	0.8	3.3	3.3	0	0	0	0.2
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value																	$ 1.0		$ 0

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Other Long-Term Liabilities) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Supplemental Financial Statement Information [Abstract]
Document Period End Date	Sep. 30, 2013
Reserve for uncertain tax positions	$ 0.6	$ 0.8
Workers compensation, noncurrent	15.5	15.0
Asset retirement obligations, noncurrent	14.0	13.4
Land obligation, noncurrent	7.9	9.2
Environmental remediation obligation, noncurrent	1.1	1.2
Deferred compensation and other	11.1	12.7
Total other long-term liabilities	$ 50.2	$ 52.3

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Asset Retirement and Other Obligations Asset Retirement and Other Obligations (Environmental Remediation Obligations) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Environmental Remediation Obligations [Abstract]
Environmental remediation obligation, noncurrent	$ 1.1	$ 1.2
Environmental remediation obligation, current	$ 1.8	$ 2.0

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Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

Basic and diluted net income (loss) per common share ("EPS") were calculated as follows (in millions, except per share):

	Three months ended September 30,					Nine months ended September 30,
	2013			2012		2013			2012
Net income (loss)	$	(18.2	)	$	3.8	$	(29.9	)	$	45.3
Weighted-average common shares outstanding:
Basic	68.01			67.68		67.90			67.49
Effect of dilutive securities	—			1.44		—			1.61
Diluted	68.01			69.12		67.90			69.10
Net income (loss) per common share:
Basic	$	(0.27	)	$	0.06	$	(0.44	)	$	0.67
Diluted	$	(0.27	)	$	0.05	$	(0.44	)	$	0.66

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Those antidilutive securities were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
Antidilutive securities	2.49	0.68	1.88	0.50

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Pension and Other Post-Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2013

Pension benefit plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs related to the pension plans included the following (in millions):

	Noranda Pension Plans				St. Ann Pension Plans
	Three months ended September 30,				Three months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	3.8		3.4		0.1		0.2
Interest cost	4.5		4.5		0.4		0.4
Expected return on plan assets	(5.0	)	(4.7	)	(0.5	)	(0.6	)
Recognized actuarial loss	3.3		2.8		—		—
Amortization of prior service cost	0.2		0.1		—		—
Net periodic cost	6.8		6.1		—		—

	Noranda Pension Plans				St. Ann Pension Plans
	Nine months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
	$		$		$		$
Service cost	11.5		10.0		0.4		0.6
Interest cost	13.5		13.4		1.2		1.2
Expected return on plan assets	(15.2	)	(14.2	)	(1.7	)	(1.7	)
Recognized actuarial loss	9.7		8.3		—		—
Amortization of prior service cost	0.8		0.3		—		—
Net periodic cost	20.3		17.8		(0.1	)	0.1

Other post-retirement benefit plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs related to the OPEB plans included the following (in millions):

	Noranda OPEB Plans		St. Ann OPEB Plans
	Three months ended September 30,		Three months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.1	0.1	—		0.1
Interest cost	0.1	0.2	0.2		0.1
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.3	0.3	0.1		0.2

	Noranda OPEB Plans		St. Ann OPEB Plans
	Nine months ended September 30,		Nine months ended September 30,
	2013	2012	2013		2012
	$	$	$		$
Service cost	0.4	0.3	0.1		0.3
Interest cost	0.4	0.5	0.4		0.3
Recognized actuarial loss	0.1	—	—		—
Amortization of prior service cost	—	—	(0.1	)	—
Net periodic cost	0.9	0.8	0.4		0.6

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Derivative [Line Items]

Schedule of outstanding derivative financial instruments

The following table presents the carrying values, which were recorded at fair value, of our derivative instruments outstanding (in millions):

	September 30, 2013		December 31, 2012
	$		$
Fixed-price aluminum customer contracts	4.6		(0.8	)
Variable-price aluminum offset swaps	(3.6	)	0.5
Variable-price MWP contracts	(0.9	)	1.1
Total	0.1		0.8

Schedule of gross components of net derivative balances

our variable price aluminum offset swaps. Our variable-price MWP contracts are with various other counterparties. With each of the counterparties of our variable price aluminum offset swaps, we have a master netting arrangement which is subject to the same guarantee and security provisions as the senior secured credit facilities. The master netting arrangements do not require us to post additional collateral, or cash margin. We present the fair values of derivatives which are subject to a master netting arrangement in a net position on the unaudited consolidated balance sheets. The following is a presentation of the gross components of our net derivative balances (in millions):

	As of September 30, 2013
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	0.2	(0.2	)	—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	4.4	4.4
Total current derivative assets	0.2	(0.2	)	—	4.4	4.4
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	0.2	0.2
Total long-term derivative assets	—	—		—	0.2	0.2

	As of September 30, 2013
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset		Derivative liabilities not offset		Derivative liabilities, net
	$		$	$		$		$
Master netting arrangement with counterparty one	(3.6	)	—	(3.6	)	—		(3.6	)
Master netting arrangement with counterparty two	(0.2	)	0.2	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		(0.9	)	(0.9	)
Total current derivative liabilities	(3.8	)	0.2	(3.6	)	(0.9	)	(4.5	)
Master netting arrangement with counterparty one	—		—	—		—		—
Master netting arrangement with counterparty two	—		—	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		—		—
Total long-term derivative liabilities	—		—	—		—		—

	As of December 31, 2012
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	2.0	(1.5	)	0.5	—	0.5
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	2.1	2.1
Total current derivative assets	2.0	(1.5	)	0.5	2.1	2.6
Master netting arrangement with counterparty one	—	—		—	0.1	0.1
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	—	—
Total long-term derivative assets	—	—		—	0.1	0.1

	As of December 31, 2012
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset	Derivative liabilities not offset		Derivative liabilities, net
	$		$	$	$		$
Master netting arrangement with counterparty one	(1.5	)	1.5	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(1.8	)	(1.8	)
Total current derivative liabilities	(1.5	)	1.5	—	(1.8	)	(1.8	)
Master netting arrangement with counterparty one	—		—	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(0.1	)	(0.1	)
Total long-term derivative liabilities	—		—	—	(0.1	)	(0.1	)

Schedule of gains and losses on hedging activities

The following table presents how our hedging activities affected our unaudited consolidated statements of operations for each period (in millions):

	Derivatives qualified as hedges		Derivatives not qualified as hedges
	Amount reclassified from AOCI		Change in fair value		Total (gain) loss on hedging activities
	$		$		$
Three months ended September 30, 2013
Fixed-price aluminum customer contracts	—		1.9		1.9
Variable-price aluminum offset swaps and other	—		0.5		0.5
Total	—		2.4		2.4
Three months ended September 30, 2012
Fixed-price aluminum swaps	(31.7	)	—		(31.7	)
Fixed-price aluminum customer contracts	—		7.1		7.1
Variable-price aluminum offset swaps and other	—		(6.3	)	(6.3	)
Natural gas swaps	6.4		(0.3	)	6.1
Natural gas fixed-price contract	—		(0.6	)	(0.6	)
Total	(25.3	)	(0.1	)	(25.4	)
Nine months ended September 30, 2013
Fixed-price aluminum swaps	(6.4	)	—		(6.4	)
Fixed-price aluminum customer contracts	—		(5.3	)	(5.3	)
Variable-price aluminum offset swaps and other	—		11.7		11.7
Total	(6.4	)	6.4		—
Nine months ended September 30, 2012
Fixed-price aluminum swaps	(83.9	)	—		(83.9	)
Fixed-price aluminum customer contracts	—		3.9		3.9
Variable-price aluminum offset swaps and other	—		(2.2	)	(2.2	)
Natural gas swaps	19.6		0.9		20.5
Natural gas fixed-price contract	—		(0.8	)	(0.8	)
Total	(64.3	)	1.8		(62.5	)

Fixed price aluminum customer contracts [Member]

Derivative [Line Items]

Schedule of outstanding derivative financial instruments

As of September 30, 2013, our outstanding fixed-price aluminum customer contracts were as follows:

	Average price per pound	Pounds
Year	$	(in millions)
2013	1.04	15.7
2014	1.00	51.0
2015	1.03	0.9

Variable price aluminum offset swaps [Member]

Derivative [Line Items]

Schedule of outstanding derivative financial instruments

As of September 30, 2013, our outstanding variable-price aluminum offset swaps were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.91	20.8
2014	0.88	55.3
2015	0.92	0.9

Variable MWP Contract [Member]

Derivative [Line Items]

Schedule of outstanding derivative financial instruments

As of September 30, 2013, our outstanding variable-price MWP contracts were as follows were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.11	20.5
2014	0.11	50.8
2015	0.10	0.4

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Inventories (Footnote)

9 Months Ended

Sep. 30, 2013

Inventory, Net [Abstract]

Inventories disclosure

INVENTORIES

Inventories are stated at the lower of cost or market ("LCM"). We use the last-in, first-out ("LIFO") method of valuing raw materials, work-in-process and finished goods inventories at our New Madrid smelter and our rolling mills. Supplies inventories at our rolling mills are valued at FIFO. Inventories at Gramercy and St. Ann, Jamaica ("St. Ann") and supplies at New Madrid are valued at weighted-average cost and are not subject to the LIFO adjustment. Gramercy and St. Ann inventories comprise approximately 28% and 25% of total inventories, at cost, at September 30, 2013 and December 31, 2012, respectively.

Inventories, net, consisted of the following (in millions):

	September 30, 2013		December 31, 2012
	$		$
Raw materials, at cost	70.8		63.5
Work-in-process, at cost	56.0		58.9
Finished goods, at cost	19.6		29.5
Total inventories, at cost	146.4		151.9
LIFO adjustment	23.1		15.7
LCM reserve	(16.9	)	(7.1	)
Inventories, at lower of cost or market	152.6		160.5
Supplies	41.1		35.3
Total inventories, net	193.7		195.8

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Asset Retirement and Other Obligations (Reclamation Obligation) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Asset Retirement and Other Obligations [Abstract]
Reclamation obligation, beginning balance	$ 2.5
Additional liabilities incurred	1.7
Liabilities settled	(3.5)
Accretion	0
Reclamation obligation, ending balance	$ 0.7

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Subsidiary Issuer of Guaranteed Notes (Consolidating Statements of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Guarantor Obligations [Line Items]
Cash provided by (used in) operating activities	$ 40.8	$ (13.8)
Investing Activities
Capital expenditures	(55.7)	(59.8)
Proceeds from sale of property, plant and equipment	0.9	4.8
Cash provided by (used in) investing activities	(54.8)	(55.0)
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	(0.1)	0.1
Payments of Ordinary Dividends, Common Stock	(8.2)	(92.2)
Distributions paid to optionholders	0	(3.1)
Repayments of Long-term Debt	(278.8)	(154.8)
Proceeds from Issuance of Long-term Debt	331.8	322.6
Payments of Financing Costs	(2.9)	(12.6)
Cash Dividends Paid to Parent Company	0	0
Cash provided by (used in) financing activities	41.8	60.0
Change in cash and cash equivalents	27.8	(8.8)
Cash and cash equivalents, beginning of period	36.1	42.7
Cash and cash equivalents, end of period	(63.9)	(33.9)
Parent guarantor [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	(0.7)	0
Investing Activities
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Cash provided by (used in) investing activities	0	0
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	(0.1)	0.1
Payments of Ordinary Dividends, Common Stock	(8.2)	(92.2)
Distributions paid to optionholders	0	(3.1)
Repayments of Long-term Debt	0	0
Proceeds from Issuance of Long-term Debt	0	0
Payments of Financing Costs	0	0
Cash Dividends Paid to Parent Company	8.9	92.7
Cash provided by (used in) financing activities	0.6	(2.5)
Change in cash and cash equivalents	(0.1)	(2.5)
Cash and cash equivalents, beginning of period	0.5	3.3
Cash and cash equivalents, end of period	(0.4)	(0.8)
Issuer [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	(13.9)	(63.9)
Investing Activities
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Cash provided by (used in) investing activities	0	0
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Payments of Ordinary Dividends, Common Stock	0	0
Distributions paid to optionholders	0	0
Repayments of Long-term Debt	(278.8)	(154.8)
Proceeds from Issuance of Long-term Debt	331.8	322.6
Payments of Financing Costs	(2.9)	(12.6)
Cash Dividends Paid to Parent Company	(8.9)	(92.7)
Cash provided by (used in) financing activities	41.2	62.5
Change in cash and cash equivalents	27.3	(1.4)
Cash and cash equivalents, beginning of period	27.9	31.3
Cash and cash equivalents, end of period	(55.2)	(29.9)
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	48.8	46.4
Investing Activities
Capital expenditures	(47.0)	(53.2)
Proceeds from sale of property, plant and equipment	0.9	4.8
Cash provided by (used in) investing activities	(46.1)	(48.4)
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Payments of Ordinary Dividends, Common Stock	0	0
Distributions paid to optionholders	0	0
Repayments of Long-term Debt	0	0
Proceeds from Issuance of Long-term Debt	0	0
Payments of Financing Costs	0	0
Cash Dividends Paid to Parent Company	0	0
Cash provided by (used in) financing activities	0	0
Change in cash and cash equivalents	2.7	(2.0)
Cash and cash equivalents, beginning of period	3.3	3.3
Cash and cash equivalents, end of period	(6.0)	(1.3)
Subsidiary non-guarantor [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	6.6	3.7
Investing Activities
Capital expenditures	(8.7)	(6.6)
Proceeds from sale of property, plant and equipment	0	0
Cash provided by (used in) investing activities	(8.7)	(6.6)
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Payments of Ordinary Dividends, Common Stock	0	0
Distributions paid to optionholders	0	0
Repayments of Long-term Debt	0	0
Proceeds from Issuance of Long-term Debt	0	0
Payments of Financing Costs	0	0
Cash Dividends Paid to Parent Company	0	0
Cash provided by (used in) financing activities	0	0
Change in cash and cash equivalents	(2.1)	(2.9)
Cash and cash equivalents, beginning of period	4.4	4.8
Cash and cash equivalents, end of period	(2.3)	(1.9)
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	0	0
Investing Activities
Capital expenditures	0	0
Proceeds from sale of property, plant and equipment	0	0
Cash provided by (used in) investing activities	0	0
Financing Activities
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options	0	0
Payments of Ordinary Dividends, Common Stock	0	0
Distributions paid to optionholders	0	0
Repayments of Long-term Debt	0	0
Proceeds from Issuance of Long-term Debt	0	0
Payments of Financing Costs	0	0
Cash Dividends Paid to Parent Company	0	0
Cash provided by (used in) financing activities	0	0
Change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	$ 0	$ 0

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Measurements [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The tables below set forth by level the fair value hierarchy of our assets and liabilities that were measured at fair value on a recurring basis (in millions):

	September 30, 2013
	Level 1	Level 2		Level 3		Total
	$	$		$		$
Cash equivalents	30.0	—		—		30.0
Derivative assets	—	4.6		—		4.6
Derivative liabilities	—	(3.6	)	(0.9	)	(4.5	)
Total	30.0	1.0		(0.9	)	30.1

	December 31, 2012
	Level 1		Level 2		Level 3	Total
	$		$		$	$
Cash equivalents	10.0		—		—	10.0
Derivative assets	—		3.1		1.1	4.2
Derivative liabilities	—		(3.4	)	—	(3.4	)
RSU liability awards	(0.1	)	—		—	(0.1	)
Total	9.9		(0.3	)	1.1	10.7

Schedule of derivative financial instruments classified as level 3 [Table Text Block]

Changes in the fair value of the variable-price Midwest Premium contracts classified as Level 3 included in gain on hedging activities, net in the unaudited consolidated statement of operations for the nine months ended September 30, 2013 were as follows:

	Nine months ended September 30, 2013
	$
Fair value, beginning of year	1.1
New contracts entered into during the period	0.8
Changes in fair value	(1.9	)
Settlements	(0.9	)
Fair value, end of year	(0.9	)

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Segments (Narrative) (Details)	9 Months Ended
	Sep. 30, 2013 segments
Segment Reporting, Measurement Disclosures [Abstract]
Number of Operating Segments	5

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Long-Term Debt (Footnote)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Long-term debt disclosure

LONG-TERM DEBT

The carrying values and fair values of our outstanding debt were as follows (in millions):

	September 30, 2013					December 31, 2012
	Carrying value		Fair value	Interest rate		Carrying value		Fair value	Interest rate
	$		$	%		$		$	%
AcquisitionCo Notes, net (1)	173.0		153.7	11.00	%	275.3		258.8	4.52	%
Term B Loan, net	476.1		476.1	5.75	%	320.4		320.4	5.75	%
Revolver	—		—			—		—
Total debt, net	649.1					595.7
Less: Current portion	(4.9	)				(3.3	)
Long-term debt, net	644.2					592.4

⁽¹⁾  We refer to the Senior Unsecured Notes due 2019 issued by Noranda AcquisitionCo ("AcquisitionCo Notes due 2019") outstanding at September 30, 2013 and Senior Floating Rate Notes due 2015 issued by Noranda AcquisitionCo ("AcquisitionCo Notes due 2015") outstanding at December 31, 2012 collectively as the "AcquisitionCo Notes."

2013 Refinancing

On March 8, 2013, we completed a private offering of $175.0 million aggregate principal amount of 11.0% AcquisitionCo Notes due June 1, 2019. Additionally, we entered into an incremental term loan facility in the amount of $110.0 million under our existing term loan credit agreement (the "$110.0 million incremental Term B Loan"). We used the net proceeds from the offering of the AcquisitionCo Notes due 2019 and the $110.0 million incremental Term B Loan to redeem the remaining $275.3 million outstanding AcquisitionCo Notes due 2015. We refer to these transactions, collectively, as the "2013 Refinancing."

The AcquisitionCo Notes due 2019 are fully and unconditionally guaranteed on a senior unsecured, joint and several basis by Noranda HoldCo and the domestic subsidiaries of Noranda AcquisitionCo that guarantee the senior secured credit facilities. The indenture governing the AcquisitionCo Notes due 2019 contains certain customary affirmative and negative covenants, restrictions and events of default.

The $110.0 million incremental Term B Loan agreement permitted us to incur further incremental borrowings under the existing Term B Loan in an aggregate principal amount not to exceed the greater of (1) $50.0 million and (2) an amount such that, after giving effect to such incremental borrowing, we would be in pro forma compliance with a maximum total net senior secured leverage ratio of 2.25 to 1.00. On May 29, 2013, we borrowed an additional $50.0 million, which we refer to as the "$50.0 million incremental Term B Loan." Borrowings under the $50.0 million incremental Term B Loan were used for general corporate purposes. The $110.0 million incremental Term B Loan and the $50.0 million incremental Term B Loan are due and payable on February 28, 2019 and have the same terms as borrowings under the existing Term B Loan.

On May 15, 2013, we entered into an incremental asset-based revolving credit facility, consisting of $15.0 million in additional commitments on a "first-in, last-out" basis, under our existing asset-based revolving credit facility. We refer to this incremental asset-based loan as the "incremental ABL." Loans under the incremental ABL will be used for general corporate purposes, will bear interest at a rate equal to the rate applicable to loans under our existing asset-based revolving credit facility plus 1.5% per annum, will mature in February 2017 and, except as set forth herein, will be subject to the same terms and conditions as loans under the existing asset-based loan credit agreement.

We recorded debt refinancing expense of $2.5 million in the first nine months of 2013, representing the write-off of deferred financing fees and third party fees related to the AcquisitionCo Notes due 2015. In the first nine months of 2012, we recorded debt refinancing expense of $8.1 million related to the refinancing of our credit facilities we undertook at that time, comprising $5.7 million of creditor fees related to the new senior secured credit facilities and $2.4 million of deferred financing fees related to the existing senior secured credit facilities.

As of September 30, 2013 and December 31, 2012 the amount outstanding under our Term B Loan was recorded in our unaudited consolidated balance sheets net of $3.0 million and $2.2 million, respectively, of unamortized discount. The carrying value of the AcquisitionCo Notes was recorded net of unamortized underwriting discount of $2.0 million at September 30, 2013. The Revolver had no outstanding balance at September 30, 2013 and December 31, 2012 and outstanding letters of credit totaled $34.6 million at September 30, 2013 and $31.1 million at December 31, 2012. Availability under the Revolver is subject to a calculated borrowing base. Because our Revolver Fixed-Charge Coverage Ratio was less than 1.0 to 1.0 as of September 30, 2013, we are effectively required to maintain at least $20.0 million of available borrowing capacity under our Revolver. This restriction will be removed when the ratio meets the required threshold. Our effective borrowing capacity calculated as of September 30, 2013 was $120.0 million.

Including required repayments of the incremental Term B Loan borrowings, we are required to repay $1.2 million of the total Term B Loan quarterly.

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Shareholders' Equity Shareholders' Equity (Dividends) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended					9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Dividends Disclosures [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.01	$ 0.04			$ 0.04	$ 0.12	$ 1.37
Payments of Dividends		$ 2.8	$ 2.7	$ 2.7		$ 8.2	$ 92.2
Common Stock, Dividends, Per Share, Cash Paid						$ 0.12
Regular Quarterly Dividend [Member]
Dividends Disclosures [Line Items]
Common Stock, Dividends, Per Share, Cash Paid		$ 0.04	$ 0.04	$ 0.04

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Fair Value Measurements (Footnote)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Fair value measurements disclosure

FAIR VALUE MEASUREMENTS

The tables below set forth by level the fair value hierarchy of our assets and liabilities that were measured at fair value on a recurring basis (in millions):

	September 30, 2013
	Level 1	Level 2		Level 3		Total
	$	$		$		$
Cash equivalents	30.0	—		—		30.0
Derivative assets	—	4.6		—		4.6
Derivative liabilities	—	(3.6	)	(0.9	)	(4.5	)
Total	30.0	1.0		(0.9	)	30.1

	December 31, 2012
	Level 1		Level 2		Level 3	Total
	$		$		$	$
Cash equivalents	10.0		—		—	10.0
Derivative assets	—		3.1		1.1	4.2
Derivative liabilities	—		(3.4	)	—	(3.4	)
RSU liability awards	(0.1	)	—		—	(0.1	)
Total	9.9		(0.3	)	1.1	10.7

Changes in the fair value of the variable-price Midwest Premium contracts classified as Level 3 included in gain on hedging activities, net in the unaudited consolidated statement of operations for the nine months ended September 30, 2013 were as follows:

	Nine months ended September 30, 2013
	$
Fair value, beginning of year	1.1
New contracts entered into during the period	0.8
Changes in fair value	(1.9	)
Settlements	(0.9	)
Fair value, end of year	(0.9	)

Cash equivalents as of September 30, 2013 and December 31, 2012 related to temporary cash investments with high credit quality financial institutions, which included money market funds invested in U.S. treasury securities, short-term treasury bills and commercial paper. These instruments were valued based upon unadjusted, quoted prices in active markets and were classified within Level 1.

We discuss our derivative instruments in Note 11, "Derivative Financial Instruments." Fair values of all derivative instruments classified as Level 2 were primarily measured using industry standard models that incorporated inputs including quoted forward prices for commodities, interest rate curves, and current market prices for those assets and liabilities. Substantially all of the inputs are observable throughout the full term of the instrument. Our variable-price Midwest premium contracts were classified as Level 3 and were primarily measured using contract prices and management's estimate of future U.S. Midwest premium prices, based on recent market prices.

In Note 13 "Share-Based Payments," we discuss RSU liability awards. The fair value of this Level 1 liability was determined based on the closing market price of our common stock at each balance sheet date.

In Note 8, "Long-Term Debt" we disclose the fair values of our debt instruments. The fair value of our AcquisitionCo Notes was based on recent transactions involving the bonds and was classified as Level 2 within the hierarchy. While the AcquisitionCo Notes have quoted prices used to determine fair value, we do not believe transactions of those instruments occur in sufficient frequency or volume for a Level 1 classification. The fair values of the Term B Loan and revolver were based on interest rates available at each balance sheet date. These instruments were also classified as Level 2.

We made no transfers between fair value hierarchy levels during third quarter 2013.

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Consolidated Statements of Equity Consolidated Statements of Equity (Parentheticals) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2012	Sep. 30, 2013	Dec. 31, 2012
Common Stock, Dividends, Per Share, Cash Paid		$ 0.12
common shareholders [Member]
Common Stock, Dividends, Per Share, Cash Paid			$ 1.41
Supplemental Dividend [Member] | Share-Based Award Holders [Member]
Common Stock, Dividends, Per Share, Cash Paid	$ 1.25	$ 0.00	$ 1.25

XML

Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of Other Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Supplemental Financial Statement Information [Abstract]
Deferred financing costs, net of amortization	$ 8.2	$ 9.3
Cash surrender value of life insurance	26.8	26.3
Pension asset	10.2	9.7
Restricted cash	12.7	12.8
Supplies, noncurrent	10.0	13.0
Prepaid income taxes	12.7	12.7
Derivative Assets, Noncurrent	0.2	0.1
Other miscellaneous noncurrent assets	12.6	12.2
Total other assets	$ 93.4	$ 96.1

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Supplemental Financial Statement Information Supplemental Financial Statement Information (Schedule of AOCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule of accumulated other comprehensive income (loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			$ (105.7)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0	0.1	0	3.5
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(103.4)		(103.4)
Income tax expense	(13.9)	1.9	(20.1)	22.7
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax	0	(16.1)	(4.4)	(40.9)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	3.5	2.9	10.4	8.6
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0	(25.3)	(6.4)	(64.3)
Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of accumulated other comprehensive income (loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period			(105.7)	(42.4)	(42.4)
Other Comprehensive Income Loss Before Reclassification Net Of Tax					(16.9)
Other Comprehensive Income Loss Reclassification Adjustments Included In Net Income Net Of Tax			2.3		(46.4)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(103.4)		(103.4)		(105.7)
Accumulated Defined Benefit Plans Adjustment [Member]
Schedule of accumulated other comprehensive income (loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), before Tax1, Beginning of Period			(176.2)	(163.8)	(163.8)
Accumulated Other Comprehensive Income (Loss) Tax, Beginning of Period			66.1	61.2	61.2
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax					(24.3)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, before Reclassification Adjustments, Tax					9.6
Accumulated Other Comprehensive Income (Loss), before Tax1, End of Period	(165.8)		(165.8)		(176.2)
Accumulated Other Comprehensive Income (Loss) Tax, End of Period	62.4		62.4		66.1
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			10.4		11.9
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Tax	(1.3)	(1.1)	(3.7)	(3.2)	(4.7)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Schedule of accumulated other comprehensive income (loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), before Tax1, Beginning of Period			6.4	94.1	94.1
Accumulated Other Comprehensive Income (Loss) Tax, Beginning of Period			(2.0)	(33.9)	(33.9)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax					(3.5)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax					1.3
Accumulated Other Comprehensive Income (Loss), before Tax1, End of Period	0		0		6.4
Accumulated Other Comprehensive Income (Loss) Tax, End of Period	0		0		(2.0)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax			6.4		84.2
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	0	9.2	2.0	23.4	30.6
Cost of Sales [Member]
Schedule of accumulated other comprehensive income (loss) [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	2.7	2.3	8.1	6.7
Selling, General and Administrative Expenses [Member]
Schedule of accumulated other comprehensive income (loss) [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax	$ 0.8	$ 0.6	$ 2.3	$ 1.9

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Net Income Per Common Share (Schedule of Calculation of Net Income Per Common Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Earnings Per Share [Abstract]
Net income (loss)	$ (18.2)	$ 3.8	$ (29.9)	$ 45.3	$ 49.5
Weighted-average common shares outstanding:
Basic weighted-average common shares outstanding	68.01	67.68	67.90	67.49
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0	1.44	0	1.61
Diluted weighted-average common shares outstanding	68.01	69.12	67.90	69.10
Net income per common share:
Basic net income per common share	$ (0.27)	$ 0.06	$ (0.44)	$ 0.67
Diluted net income per common share	$ (0.27)	$ 0.05	$ (0.44)	$ 0.66
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities	2.49	0.68	1.88	0.50

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Schedule of outstanding debt

The carrying values and fair values of our outstanding debt were as follows (in millions):

	September 30, 2013					December 31, 2012
	Carrying value		Fair value	Interest rate		Carrying value		Fair value	Interest rate
	$		$	%		$		$	%
AcquisitionCo Notes, net (1)	173.0		153.7	11.00	%	275.3		258.8	4.52	%
Term B Loan, net	476.1		476.1	5.75	%	320.4		320.4	5.75	%
Revolver	—		—			—		—
Total debt, net	649.1					595.7
Less: Current portion	(4.9	)				(3.3	)
Long-term debt, net	644.2					592.4

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Share-Based Payments Share-Based Payments (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2013
Stock Options [Member] | Employee And Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	4 years 8 months
Stock Options [Member] | Investor Director Provider [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	4 years 1 month
Restricted Stock and Restricted Stock Units Equity and Liability Awards [Member] | Service Vesting Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage to vest on first anniversary of grant date	25.00%
Percentage to vest on second anniversary of grant date	25.00%
Percentage to vest on third anniversary of grant date		50.00%
Restricted Stock and Restricted Stock Units Equity Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Aggregate Intrinsic Value	$ 1.0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Aggregate Intrinsic Value	$ 6.2
Restricted Stock and Restricted Stock Units Equity Awards [Member] | Service Vesting Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years

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Subsidiary Issuer of Guaranteed Notes (Consolidating Income Statements) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Guarantor Obligations [Line Items]
Sales	$ 339.9	$ 336.8	$ 1,030.3	$ 1,062.0
Operating costs and expenses:
Cost of Goods Sold	333.3	323.3	973.1	959.4
Selling, General and Administrative Expense	23.7	24.3	69.8	64.8
Total operating costs and expenses, net	357.0	347.6	1,042.9	1,024.2
Operating Income (Loss)	(17.1)	(10.8)	(12.6)	37.8
Other (income) expense: [Abstract]
Interest Expense	12.6	8.9	34.9	24.2
(Gain) loss on hedging activities, net	2.4	(25.4)	0	(62.5)
Interest and Debt Expense	0	0	2.5	8.1
Total other income, net	15.0	(16.5)	37.4	(30.2)
Income (loss) before income taxes	(32.1)	5.7	(50.0)	68.0
Income Tax Expense (Benefit)	13.9	(1.9)	20.1	(22.7)
Equity in net income (loss) of subsidiaries	0	0	0	0
Net income (loss)	(18.2)	3.8	(29.9)	45.3	49.5
Total other comprehensive loss, net of tax	2.2	(24.9)	2.3	(48.3)	(63.3)
Total comprehensive income (loss)	(16.0)	(21.1)	(27.6)	(3.0)
Parent guarantor [Member]
Guarantor Obligations [Line Items]
Sales	0	0	0	0
Operating costs and expenses:
Cost of Goods Sold	0	0	0	0
Selling, General and Administrative Expense	1.6	1.3	4.4	5.1
Total operating costs and expenses, net	1.6	1.3	4.4	5.1
Operating Income (Loss)	(1.6)	(1.3)	(4.4)	(5.1)
Other (income) expense: [Abstract]
Interest Expense	(0.1)	(0.1)	(0.3)	(0.3)
(Gain) loss on hedging activities, net	0	0		0
Interest and Debt Expense	0		0	0
Total other income, net	(0.1)	(0.1)	(0.3)	(0.3)
Income (loss) before income taxes	(1.5)	(1.2)	(4.1)	(4.8)
Income Tax Expense (Benefit)	0.4	0.4	1.2	1.5
Equity in net income (loss) of subsidiaries	(17.1)	4.6	(27.0)	48.6
Net income (loss)	(18.2)	3.8	(29.9)	45.3
Total other comprehensive loss, net of tax	2.2	(24.9)	2.3	(48.3)
Total comprehensive income (loss)	(16.0)	(21.1)	(27.6)	(3.0)
Issuer [Member]
Guarantor Obligations [Line Items]
Sales	0	0	0	0
Operating costs and expenses:
Cost of Goods Sold	0	0	0	0
Selling, General and Administrative Expense	0.1	0.1	1.0	0.8
Total operating costs and expenses, net	0.1	0.1	1.0	0.8
Operating Income (Loss)	(0.1)	(0.1)	(1.0)	(0.8)
Other (income) expense: [Abstract]
Interest Expense	12.6	9.1	35.0	24.5
(Gain) loss on hedging activities, net	0	0		0
Interest and Debt Expense	0		2.5	8.1
Total other income, net	12.6	9.1	37.5	32.6
Income (loss) before income taxes	(12.7)	(9.2)	(38.5)	(33.4)
Income Tax Expense (Benefit)	4.2	3.0	12.8	11.2
Equity in net income (loss) of subsidiaries	(8.6)	10.8	(1.3)	70.8
Net income (loss)	(17.1)	4.6	(27.0)	48.6
Total other comprehensive loss, net of tax	2.2	(24.9)	2.3	(48.3)
Total comprehensive income (loss)	(14.9)	(20.3)	(24.7)	0.3
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Sales	328.8	(323.2)	996.5	1,024.7
Operating costs and expenses:
Cost of Goods Sold	325.6	311.0	948.8	929.0
Selling, General and Administrative Expense	18.0	19.9	54.2	49.6
Total operating costs and expenses, net	343.6	330.9	1,003.0	978.6
Operating Income (Loss)	(14.8)	(7.7)	(6.5)	46.1
Other (income) expense: [Abstract]
Interest Expense	0.1	(0.1)	0.2	0
(Gain) loss on hedging activities, net	2.4	(25.4)		(62.5)
Interest and Debt Expense	0		0	0
Total other income, net	2.5	(25.5)	0.2	(62.5)
Income (loss) before income taxes	(17.3)	17.8	(6.7)	108.6
Income Tax Expense (Benefit)	9.7	(5.9)	5.5	(36.2)
Equity in net income (loss) of subsidiaries	0	0	0	0
Net income (loss)	(7.6)	11.9	(1.2)	72.4
Total other comprehensive loss, net of tax	2.2	(24.9)	2.4	(48.3)
Total comprehensive income (loss)	(5.4)	(13.0)	1.2	24.1
Subsidiary non-guarantor [Member]
Guarantor Obligations [Line Items]
Sales	30.9	(33.6)	96.5	99.1
Operating costs and expenses:
Cost of Goods Sold	27.5	32.3	87.0	92.2
Selling, General and Administrative Expense	4.0	3.0	10.2	9.3
Total operating costs and expenses, net	31.5	35.3	97.2	101.5
Operating Income (Loss)	(0.6)	(1.7)	(0.7)	(2.4)
Other (income) expense: [Abstract]
Interest Expense	0	0	0	0
(Gain) loss on hedging activities, net	0	0		0
Interest and Debt Expense	0		0	0
Total other income, net	0	0	0	0
Income (loss) before income taxes	(0.6)	(1.7)	(0.7)	(2.4)
Income Tax Expense (Benefit)	(0.4)	0.6	0.6	0.8
Equity in net income (loss) of subsidiaries	0	0	0	0
Net income (loss)	(1.0)	(1.1)	(0.1)	(1.6)
Total other comprehensive loss, net of tax	0	0	0	0
Total comprehensive income (loss)	(1.0)	(1.1)	(0.1)	(1.6)
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Sales	(19.8)	20.0	(62.7)	(61.8)
Operating costs and expenses:
Cost of Goods Sold	(19.8)	(20.0)	(62.7)	(61.8)
Selling, General and Administrative Expense	0	0	0	0
Total operating costs and expenses, net	(19.8)	(20.0)	(62.7)	(61.8)
Operating Income (Loss)	0	0	0	0
Other (income) expense: [Abstract]
Interest Expense	0	0	0	0
(Gain) loss on hedging activities, net	0	0		0
Interest and Debt Expense	0		0	0
Total other income, net	0	0	0	0
Income (loss) before income taxes	0	0	0	0
Income Tax Expense (Benefit)	0	0	0	0
Equity in net income (loss) of subsidiaries	25.7	(15.4)	28.3	(119.4)
Net income (loss)	25.7	(15.4)	28.3	(119.4)
Total other comprehensive loss, net of tax	(4.4)	49.8	(4.7)	96.6
Total comprehensive income (loss)	$ 21.3	$ 34.4	$ 23.6	$ (22.8)

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Pension and Other Post-Retirement Benefits Pension and Other Post-Retirement Benefit Plans (Schedule of Net Periodic Benefit Costs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Noranda Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3.8	$ 3.4	$ 11.5	$ 10.0
Interest cost	4.5	4.5	13.5	13.4
Expected return on plan assets	(5.0)	(4.7)	(15.2)	(14.2)
Recognized actuarial loss	3.3	2.8	9.7	8.3
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(0.2)	(0.1)	(0.8)	(0.3)
Net periodic cost (benefit)	6.8	6.1	20.3	17.8
St. Ann Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.1	0.2	0.4	0.6
Interest cost	0.4	0.4	1.2	1.2
Expected return on plan assets	(0.5)	(0.6)	(1.7)	(1.7)
Recognized actuarial loss	0	0	0	0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	0	0	0
Net periodic cost (benefit)	0	0	(0.1)	0.1
Noranda Other Post Retirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.1	0.1	0.4	0.3
Interest cost	0.1	0.2	0.4	0.5
Recognized actuarial loss	0.1	0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0	0	0	0
Defined Benefit Plan, Actuarial Gain (Loss)			0.1	0
Net periodic cost (benefit)	0.3	0.3	0.9	0.8
St Ann Other Post Retirement [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0.1	0.1	0.3
Interest cost	0.2	0.1	0.4	0.3
Recognized actuarial loss	0	0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	0.1	0	0.1	0
Defined Benefit Plan, Actuarial Gain (Loss)			0	0
Net periodic cost (benefit)	$ 0.1	$ 0.2	$ 0.4	$ 0.6

XML

Commitments and Contingencies (Narrative) (Details) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Dec. 31, 2013 USD ($) employees labor_union_contracts	Sep. 30, 2013 USD ($) labor_union_contracts	Sep. 30, 2013 EUR (€)	Sep. 30, 2013 Power contract [Member] USD ($) MW
Labor commitments abstract [Abstract]
Number of labor union agreements		7	7
Number of compounds identified as criteria pollutants		6	6
Power contract [Abstract]
Minimum purchase commitment, quantity				5
Minimum purchase commitment, amount				$ 3.3
Other Commitment		45
Purchase Obligation			11.5
Restructuring and Related Cost, Number of Positions Eliminated	58
Restructuring and Related Cost, Expected Cost	$ 1.2

XML

Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	43.30%	33.30%	40.20%	33.40%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 3.7

XML

Derivative Financial Instruments (Footnote)

9 Months Ended

Sep. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative instruments and hedging activities disclosure

DERIVATIVE FINANCIAL INSTRUMENTS

We use derivative instruments to mitigate the risks associated with fluctuations in aluminum prices, natural gas prices and interest rates. All derivatives are held for purposes other than trading.

Fixed price aluminum swaps. Through 2010, we utilized a hedging strategy designed to reduce commodity price risk and protect operating cash flows in the Primary Aluminum segment through the use of fixed price aluminum swaps. In May 2010, we settled all of our remaining fixed price aluminum swaps and used the proceeds to repay indebtedness. As of September 30, 2013, we had no outstanding fixed price aluminum swaps.

Fixed-price customer arrangements. We enter into forward contracts with our customers to sell aluminum in the future at fixed prices in the normal course of business. We do not elect normal sale accounting on certain customer contracts and instead record those contracts as derivatives ("fixed price aluminum customer contracts"). Because these fixed price aluminum customer contracts expose us to aluminum and Midwest premium ("MWP") market price fluctuations, we economically hedge these risks by entering into variable price aluminum swap contracts ("variable-price aluminum offset swaps") and variable price MWP contracts with various brokers, typically for terms of one year or less.

As of September 30, 2013, our outstanding fixed-price aluminum customer contracts were as follows:

	Average price per pound	Pounds
Year	$	(in millions)
2013	1.04	15.7
2014	1.00	51.0
2015	1.03	0.9

As of September 30, 2013, our outstanding variable-price aluminum offset swaps were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.91	20.8
2014	0.88	55.3
2015	0.92	0.9

As of September 30, 2013, our outstanding variable-price MWP contracts were as follows were as follows:

	Average hedged price per pound	Pounds hedged
Year	$	(in millions)
2013	0.11	20.5
2014	0.11	50.8
2015	0.10	0.4

Natural gas swaps. We purchase natural gas to meet our production requirements. These purchases expose us to the risk of fluctuating natural gas prices. To offset changes in the Henry Hub Index Price of natural gas, from time to time, we have entered into financial swaps by purchasing the fixed forward price for the Henry Hub Index and simultaneously entering into an agreement to sell the actual Henry Hub Index Price. During the nine months ended September 30, 2013, we had no outstanding natural gas swaps.

Fixed-price natural gas contract. In 2012, we exercised a provision in the natural gas supply contract for our alumina refinery to set fixed prices for a portion of the refinery's anticipated natural gas usage in the period from April through December 2012. We recorded these contracts as derivatives, based on the fair value of the Henry Hub Index price of natural gas. As of September 30, 2013, we had no fixed price purchases of natural gas remaining.

We recognize all derivative instruments as either assets or liabilities at their estimated fair value in our accompanying unaudited consolidated balance sheets. The following table presents the carrying values, which were recorded at fair value, of our derivative instruments outstanding (in millions):

	September 30, 2013		December 31, 2012
	$		$
Fixed-price aluminum customer contracts	4.6		(0.8	)
Variable-price aluminum offset swaps	(3.6	)	0.5
Variable-price MWP contracts	(0.9	)	1.1
Total	0.1		0.8

We have two counterparties for our variable price aluminum offset swaps. Our variable-price MWP contracts are with various other counterparties. With each of the counterparties of our variable price aluminum offset swaps, we have a master netting arrangement which is subject to the same guarantee and security provisions as the senior secured credit facilities. The master netting arrangements do not require us to post additional collateral, or cash margin. We present the fair values of derivatives which are subject to a master netting arrangement in a net position on the unaudited consolidated balance sheets. The following is a presentation of the gross components of our net derivative balances (in millions):

	As of September 30, 2013
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	0.2	(0.2	)	—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	4.4	4.4
Total current derivative assets	0.2	(0.2	)	—	4.4	4.4
Master netting arrangement with counterparty one	—	—		—	—	—
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	0.2	0.2
Total long-term derivative assets	—	—		—	0.2	0.2

	As of September 30, 2013
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset		Derivative liabilities not offset		Derivative liabilities, net
	$		$	$		$		$
Master netting arrangement with counterparty one	(3.6	)	—	(3.6	)	—		(3.6	)
Master netting arrangement with counterparty two	(0.2	)	0.2	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		(0.9	)	(0.9	)
Total current derivative liabilities	(3.8	)	0.2	(3.6	)	(0.9	)	(4.5	)
Master netting arrangement with counterparty one	—		—	—		—		—
Master netting arrangement with counterparty two	—		—	—		—		—
Various counterparties not subject to a master netting arrangement	—		—	—		—		—
Total long-term derivative liabilities	—		—	—		—		—

	As of December 31, 2012
Counterparty	Gross derivative assets offset	Amount offset		Net derivative assets offset	Derivative assets not offset	Derivative assets, net
	$	$		$	$	$
Master netting arrangement with counterparty one	2.0	(1.5	)	0.5	—	0.5
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	2.1	2.1
Total current derivative assets	2.0	(1.5	)	0.5	2.1	2.6
Master netting arrangement with counterparty one	—	—		—	0.1	0.1
Master netting arrangement with counterparty two	—	—		—	—	—
Various counterparties not subject to a master netting arrangement	—	—		—	—	—
Total long-term derivative assets	—	—		—	0.1	0.1

	As of December 31, 2012
Counterparty	Gross derivative liabilities offset		Amount offset	Net derivative liabilities offset	Derivative liabilities not offset		Derivative liabilities, net
	$		$	$	$		$
Master netting arrangement with counterparty one	(1.5	)	1.5	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(1.8	)	(1.8	)
Total current derivative liabilities	(1.5	)	1.5	—	(1.8	)	(1.8	)
Master netting arrangement with counterparty one	—		—	—	—		—
Master netting arrangement with counterparty two	—		—	—	—		—
Various counterparties not subject to a master netting arrangement	—		—	—	(0.1	)	(0.1	)
Total long-term derivative liabilities	—		—	—	(0.1	)	(0.1	)

As of September 30, 2013 and December 31, 2012, respectively, none of our derivative instruments were designated and qualified as fair value or cash flow hedges. We discontinued hedge accounting for all our aluminum fixed price sale swaps on January 29, 2009. At that date, amounts were frozen in AOCI to be reclassified into earnings in the period the hedged sales occur, or until we determined that the original forecasted sales were no longer probable of occurring. During the nine months ended September 30, 2013, we reclassified the remaining $6.4 million of gains into earnings, which is reflected in (gain) loss on hedging activities, net in the unaudited consolidated statement of operations. As of September 30, 2013, there were no remaining derivative gains or losses on hedging activities in AOCI.

Derivatives that do not qualify for hedge accounting or have not been designated for hedge accounting treatment are adjusted to fair value through earnings in (gain) loss on hedging activities, net in the unaudited consolidated statements of operations.

The following table presents how our hedging activities affected our unaudited consolidated statements of operations for each period (in millions):

	Derivatives qualified as hedges		Derivatives not qualified as hedges
	Amount reclassified from AOCI		Change in fair value		Total (gain) loss on hedging activities
	$		$		$
Three months ended September 30, 2013
Fixed-price aluminum customer contracts	—		1.9		1.9
Variable-price aluminum offset swaps and other	—		0.5		0.5
Total	—		2.4		2.4
Three months ended September 30, 2012
Fixed-price aluminum swaps	(31.7	)	—		(31.7	)
Fixed-price aluminum customer contracts	—		7.1		7.1
Variable-price aluminum offset swaps and other	—		(6.3	)	(6.3	)
Natural gas swaps	6.4		(0.3	)	6.1
Natural gas fixed-price contract	—		(0.6	)	(0.6	)
Total	(25.3	)	(0.1	)	(25.4	)
Nine months ended September 30, 2013
Fixed-price aluminum swaps	(6.4	)	—		(6.4	)
Fixed-price aluminum customer contracts	—		(5.3	)	(5.3	)
Variable-price aluminum offset swaps and other	—		11.7		11.7
Total	(6.4	)	6.4		—
Nine months ended September 30, 2012
Fixed-price aluminum swaps	(83.9	)	—		(83.9	)
Fixed-price aluminum customer contracts	—		3.9		3.9
Variable-price aluminum offset swaps and other	—		(2.2	)	(2.2	)
Natural gas swaps	19.6		0.9		20.5
Natural gas fixed-price contract	—		(0.8	)	(0.8	)
Total	(64.3	)	1.8		(62.5	)

XML

Commitments and Contingencies (Footnote)

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and contingencies disclosure

COMMITMENTS AND CONTINGENCIES

Labor Commitments

We are a party to seven collective bargaining agreements with five different unions. Our collective bargaining agreements are with the following unions:

In the US: the United Steelworkers of America ("USWA"); the International Association of Machinists and Aerospace Workers ("IAMAW").

At St. Ann, Jamaica: the University and Allied Workers Union ("UAWU"); the Union of Technical, Administrative and Supervisory Personnel ("UTASP"); and the Bustamante Industrial Trade Union ("BITU").

• An agreement at St. Ann with the UTASP representing supervisory and technical salaried workers will expire in December 2013.

• The agreement at St. Ann with the BITU expired in December 2012. This contract covered a small portion of our St. Ann workforce. We are expecting to receive a claim for a new contract in fourth quarter 2013.

• An agreement at St. Ann with the UAWU, covering operators, expired in April 2013. We received a claim for a new contract in June 2013 and commenced negotiations in August 2013.

• The agreement at Gramercy with the USWA will expire in September 2015.

• An agreement at New Madrid with the USWA will expire in August 2017.

• An agreement at our Salisbury rolling mill with the USWA will expire in November 2016.

• The agreement in place with the IAMAW at our Newport rolling mill extends through May 2014.

Legal Contingencies

We are a party to legal proceedings incidental to our business. We assess the likelihood of an unfavorable outcome of each legal proceeding based upon the available facts and our historical experience with similar matters. We do not accrue a liability when we assess the likelihood of an unfavorable outcome to be remote. Where the risk of loss is probable and the costs can be reasonably estimated, we accrue a liability based on the factors mentioned above. Where the risk of loss is considered reasonably possible, we estimate the range of reasonably possible losses and disclose any reasonably possible losses, if material. We update our loss assessment as matters progress over time. Based on current knowledge, we do not believe any reasonably possible losses in excess of our accruals would be material to our unaudited consolidated financial statements.

Environmental Matters

We cannot predict what environmental laws or regulations will be enacted or amended in the future, how existing or future laws or regulations will be interpreted or enforced or the amount of future expenditures that may be required to comply with such laws or regulations. Such future requirements may result in liabilities which may have a material adverse effect on our financial condition, results of operations or cash flows.

The Environmental Protection Agency ("EPA") has developed National Ambient Air Quality Standards ("NAAQS") for six compounds currently identified as criteria pollutants. The NAAQS establishes acceptable ambient air levels of each pollutant based on a review of their effects to human health and the environment. Sulfur dioxide ("SO₂"), an emission from our New Madrid smelter facility, is one such criteria pollutant. To determine our smelter's compliance with NAAQS, we measure emissions using currently acceptable methods.

In 2010, the EPA issued regulations that increased the stringency of the SO₂ NAAQS. Federal and state regulators are in the process of developing measurement methods and time lines that will govern the implementation of those regulations. Once finalized, these implementation requirements may present material implications for our smelter's compliance with NAAQS. Failure to meet NAAQS requirements may require us to incur material capital and operational costs to bring our smelter into compliance and could have negative implications for permits necessary to support increases in production volumes at our smelter.

Power Contract

Electricity is our largest cash cost component in the production of primary aluminum and is a key factor to our long-term competitive position in the primary aluminum business. We have a long-term power purchase agreement with Ameren pursuant to which we have agreed to purchase substantially all of New Madrid’s electricity. Included in the contract is a minimum purchase requirement equal to five mega watts, calculated at peak and non-peak demand charges, or approximately $3.3 million over the remaining life of the contract. This minimum purchase requirement represents significantly less power usage than we require, given the power-intensive nature of our smelter facility. Our current rate structure with Ameren consists of two components: a base rate and a fuel adjustment clause.

Purchase Commitment

In July 2012, we announced a project to invest $45 million to build a new rod mill at our facility in New Madrid, Missouri, the scope of which includes infrastructure development and construction of a new, state-of-the-art mill to produce redraw rod. In April 2013, we entered into a financing arrangement with a third party to finance the off-site construction of the rod production line, which comprises certain machinery, equipment and other components. Pursuant to the terms of the third party arrangement, upon delivery of the production line to our facility, we will repay the third party for amounts paid to the construction company throughout the construction phase, plus interest and fees, and assume any remaining payments. We anticipate delivery of the rod production line in September 2014. Total payments related to the construction of the rod production line are expected to be approximately €11.5 million in the aggregate, however the amount and timing of the payments are subject to variability due to the progression of the construction.

Workforce Reduction

On October 30, 2013, we announced a workforce reduction at our Salisbury, North Carolina Flat-Rolled Products facility. The announcement was made pursuant to the federal Worker Adjustment and Retraining Notification Act (WARN). The restructuring plan involves a total staff reduction of 58 employees through a combination of voluntary retirement packages and involuntary terminations. We will complete substantially all activities associated with this workforce reduction by December 31, 2013. We will incur approximately $1.2 million of pre-tax charges in the fourth quarter of 2013, primarily due to one-time termination benefits and pension benefits. Substantially all of these charges will result in cash expenditures in the fourth quarter of 2013.

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Derivative Financial Instruments (Schedule and Narrative of Outstanding Derivative Instruments) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Derivative [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	$ 0	$ (25,300,000)	$ (6,400,000)	$ (64,300,000)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	(25,300,000)	(6,400,000)	(64,300,000)
Derivative, Counterparty	2
Derivative, Swap Type	100,000		100,000		800,000
Fixed price aluminum swaps [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		(31,700,000)	(6,400,000)	(83,900,000)
Derivative, Swap Type	0		0
Fixed price aluminum customer contracts [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0		0
Derivative, Swap Type	4,600,000		4,600,000		(800,000)
Variable price aluminum offset swaps [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0	0	0
Derivative, Swap Type	(3,600,000)		(3,600,000)		500,000
Natural gas swaps [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		6,400,000	0	19,600,000
Derivative, Swap Type	0		0
Fixed-Price Natural Gas Contract [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		0		0
Derivative, Swap Type	$ 0		$ 0
Year Two Thousand and Thirteen [Member] | Variable MWP Contract [Member]
Derivative [Line Items]
Underlying, Derivative	0.11
Amount hedged	20,500,000		20,500,000
Year Two Thousand and Thirteen [Member] | Fixed price aluminum customer contracts [Member]
Derivative [Line Items]
Underlying, Derivative	1.04
Amount hedged	15,700,000		15,700,000
Year Two Thousand and Thirteen [Member] | Variable price aluminum offset swaps [Member]
Derivative [Line Items]
Underlying, Derivative	0.91
Amount hedged	20,800,000		20,800,000
year, two thousand fourteen [Member] | Variable MWP Contract [Member]
Derivative [Line Items]
Underlying, Derivative	0.11
Amount hedged	50,800,000		50,800,000
year, two thousand fourteen [Member] | Fixed price aluminum customer contracts [Member]
Derivative [Line Items]
Underlying, Derivative	1.00
Amount hedged	51,000,000		51,000,000
year, two thousand fourteen [Member] | Variable price aluminum offset swaps [Member]
Derivative [Line Items]
Underlying, Derivative	0.88
Amount hedged	55,300,000		55,300,000
year, two thousand and fifteen [Member] | Variable MWP Contract [Member]
Derivative [Line Items]
Underlying, Derivative	0.10
year, two thousand and fifteen [Member] | Fixed price aluminum customer contracts [Member]
Derivative [Line Items]
Underlying, Derivative	1.03
year, two thousand and fifteen [Member] | Variable price aluminum offset swaps [Member]
Derivative [Line Items]
Underlying, Derivative	0.92
Amount hedged	900,000		900,000
year, two thousand and fifteen [Domain] | Variable MWP Contract [Member]
Derivative [Line Items]
Amount hedged	400,000		400,000
year, two thousand and fifteen [Domain] | Fixed price aluminum customer contracts [Member]
Derivative [Line Items]
Amount hedged	900,000		900,000

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Net Income Per Common Share (Footnote)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Net income per common share disclosure

NET INCOME PER COMMON SHARE

Basic and diluted net income (loss) per common share ("EPS") were calculated as follows (in millions, except per share):

	Three months ended September 30,					Nine months ended September 30,
	2013			2012		2013			2012
Net income (loss)	$	(18.2	)	$	3.8	$	(29.9	)	$	45.3
Weighted-average common shares outstanding:
Basic	68.01			67.68		67.90			67.49
Effect of dilutive securities	—			1.44		—			1.61
Diluted	68.01			69.12		67.90			69.10
Net income (loss) per common share:
Basic	$	(0.27	)	$	0.06	$	(0.44	)	$	0.67
Diluted	$	(0.27	)	$	0.05	$	(0.44	)	$	0.66

Certain share-based payment awards whose terms and conditions are described in Note 13 "Share-Based Payments," could potentially dilute basic EPS in the future, but were not included in the computation of diluted EPS because to do so would have been antidilutive. Those antidilutive securities were as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
Antidilutive securities	2.49	0.68	1.88	0.50

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Shareholders' Equity (Footnote)

9 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

Shareholders' Equity Disclosure [Text Block]

SHAREHOLDERS' EQUITY

Dividends declared and paid during the nine months ended September 30, 2013 were as follows:

Declaration date	Per share dividend amount	Date paid	Total cash payment
	$/share		$ in millions
February 20, 2013	0.04	March 27, 2013	2.7
April 24, 2013	0.04	May 29, 2013	2.7
July 24, 2013	0.04	August 28, 2013	2.8

On October 30, 2013, the Board declared a regular quarterly dividend of $0.01 per share to be paid on December 5, 2013 to shareholders of record as of November 12, 2013. Cash payments related to this dividend will total approximately $0.7 million.

As part of his employment agreement, our Chief Executive Officer ("CEO") agreed to purchase 200,000 shares of common stock at $10.00 per share, for a total investment of $2.0 million. His employment agreement provides that shares purchased carry a redemption feature which guarantees total realization on these shares of at least $7.5 million (reduced to $7.0 million as of December 31, 2012 to reflect dividends to date) in the event a change in control occurred prior to March 3, 2013, and the CEO remained employed with us through the 12 month anniversary of such change in control or experiences certain qualifying terminations of employment.

Because of the existence of the conditional redemption feature, the carrying value of these 200,000 shares of common stock was reported outside of permanent equity as of December 31, 2012. In accordance with FASB ASC Topic 718, Compensation — Stock Compensation ("ASC Topic 718"), the carrying amount of the common stock subject to redemption is reported as the $2.0 million in proceeds. Because a change in control did not occur prior to March 3, 2013, the carrying value of that common stock was not adjusted to the redemption amount. During the nine months ended September 30, 2013, the carrying amount of $2.0 million was reclassified into permanent equity.

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Document and Entity Information (USD $)	9 Months Ended
	Sep. 30, 2013	Oct. 25, 2013	Jun. 30, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	Noranda Aluminum Holding CORP
Entity Central Index Key	0001422105
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		68,023,680
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 268,300,000

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Related Party Transactions Related Party Transactions (Schedules of Related Parties Activities) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Related party, Berry Plastics Corporation, an affiliate of Apollo [Member]
Related Party Transaction [Line Items]
Sales to related party	$ 2.2	$ 2.5	$ 6.5	$ 7.1
Due from affiliates	0.6		0.6		0.4
Related party, Metals USA Holdings Corp, an affiliate of Apollo [Member]
Related Party Transaction [Line Items]
Sales to related party	0	3.4	4.2	9.1
Due from affiliates	0		0		1.0
Related party, Apollo Global Securities, LLC, an affiliate of Apollo [Member]
Related Party Transaction [Line Items]
Fees paid to related party			$ 0.7

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Share-Based Payments Share-Based Payments (Footnote)

9 Months Ended

Sep. 30, 2013

Share-based Compensation [Abstract]

Share-based payments disclosure

SHARE-BASED PAYMENTS

We recorded stock compensation expense as follows (in millions):

	Three months ended September 30,		Nine months ended September 30,
	2013	2012	2013	2012
	$	$	$	$
Stock options	—	0.1	0.1	0.4
Restricted stock and restricted stock unit equity awards	1.3	0.8	3.3	3.3
Restricted stock unit liability awards	—	—	—	0.2
Total stock compensation expense	1.3	0.9	3.4	3.9

Share-based payment awards held by employee and non-employee directors include stock options, restricted stock, and restricted stock units ("RSUs"). Restricted stock and RSU awards have either service-vesting and/or performance-vesting requirements, and some also have market-based conditions. We account for RSUs granted to the investor director provider group, which consists of the full-time employees of our principal shareholders affiliated with Apollo Management VI, L.P. ("Apollo") who serve on our board of directors, as liability awards.

During first quarter 2012, in respect of the supplemental dividend of $1.25 paid on March 19, 2012, holders of stock options and of service-vesting restricted stock and RSUs received $1.25 for each share underlying such awards. We accelerated $1.2 million of stock compensation expense in connection with this payment. Holders of performance-vesting restricted stock and RSUs were granted additional performance-vesting restricted stock or RSUs, as applicable, with respect to the $1.25 per share supplemental dividend. The number of additional shares or units was computed by dividing the amount of the dividend the award holder would have received for a number of shares of our common stock equal to the number subject to the applicable award divided by the fair market value of a share of our common stock on the last trading day before the dividend payment date. These additional shares or units are subject to the same vesting conditions as the underlying awards. Generally, holders of service-vesting and performance-vesting restricted stock and RSUs were granted additional shares or units, with respect to the regular quarterly dividends in 2012 and 2013. The number of additional shares or units was computed by dividing the amount of dividend the award holder would have received had the holder owned a number of shares equal to the number subject to the applicable award by the fair market value of a share of our common stock on the last trading day before the date of the dividend payment. These additional shares or units are subject to the same vesting conditions as the underlying award.

As of September 30, 2013, total unrecognized stock compensation expense related to share-based payment awards was $4.1 million. We will recognize this amount over a weighted-average period of 1.3 years. During first quarter 2013, we began recognizing stock compensation expense for performance-vesting RSUs awarded in 2011 because the performance conditions have now been determined. We have not yet recognized stock compensation expense for performance-vesting restricted stock or RSUs awarded in 2012 or 2013 because the performance conditions had not been determined as of September 30, 2013. Outstanding share-based payment awards include dividend equivalent units issued to restricted stock and RSU holders in connection with dividend payments to shareholders.

Our stock option activity was as follows:

	Employee options and non-employee director options				Investor director provider options
	Common shares		Weighted-average exercise price	Intrinsic value (in millions)(1)	Common shares	Weighted-average exercise price	Intrinsic value (in millions)
			$	$		$	$
Outstanding, December 31, 2012	1,307,989		1.89	5.7	140,000	9.00	—
Exercised	(104,640	)	1.60	0.2	—	—	—
Forfeited	(7,000	)	1.14	—	—	—	—
Outstanding, September 30, 2013	1,196,349		1.92	1.0	140,000	9.00	—
Fully vested and exercisable, September 30, 2013 (weighted-average remaining contractual term of 4.7 years and 4.1 years, respectively)	974,578		2.10	0.7	140,000	9.00	—

⁽¹⁾  Options that were not in-the-money at September 30, 2013 and December 31, 2012, and therefore have a negative intrinsic value, have been excluded from intrinsic value calculations.

Restricted stock and RSU equity award activity was as follows:

	Service-vesting restricted stock and RSUs			Performance-vesting RSUs with grant date			Performance-vesting restricted stock (with market condition) with grant date		Performance-vesting restricted stock and RSUs without grant date
	Awards		Weighted-average grant date fair value	Awards		Weighted-average grant date fair value	Awards	Weighted-average grant date fair value	Awards
	#		$	#		$	#	$	#
Non-vested, December 31, 2012	747,937		12.48	294,336		5.22	—	—	526,327
Granted	457,524		4.20	—		—	188,000	2.13	512,988
Dividend equivalent units granted	27,102		3.63	9,458		3.72	4,343	3.48	28,814
Vested (aggregate intrinsic value of $1.0 million)	(236,314	)	11.81	—		—	—	—	—
Forfeited	(28,102	)	10.93	(4,479	)	6.05	—	—	(8,903	)
Non-vested, September 30, 2013 (aggregate intrinsic value of $6.2 million)	968,147		8.53	299,315		5.16	192,343	2.16	1,059,226

During the second quarter of 2013, we granted performance shares with market-based vesting conditions to certain senior level employees under our Noranda 2010 Incentive Award Plan. These performance shares can be earned upon the achievement of a specified fair market value of the Company's common stock during the defined performance period. These performance shares are also subject to a three-year continued service vesting provision with earlier vesting permitted under certain conditions, such as upon a change of control of the Company.

We determined grant date fair value of service-vesting and performance-vesting restricted stock and RSUs based on the closing price of our common stock on the grant date. For market-based restricted stock, the effect of the market conditions is reflected in the fair value of the awards on the date of grant using a Monte-Carlo simulation model. A Monte-Carlo simulation model estimates the fair value of the market-based award based on the expected term, risk-free interest rate, expected dividend yield and expected volatility measure for the Company.

We estimate a forfeiture rate for share-based payment awards based on historical forfeiture rates of similar awards, which was 7% for restricted stock and RSUs granted to employees during 2013. We expect all share-based payment awards granted to executives and directors to vest. Service-vesting restricted stock and RSUs will generally vest over three years, on the anniversary of the grant date, in the following increments: 25% on the first anniversary, 25% on the second anniversary and 50% on the third anniversary. A grant date had not been determined as of September 30, 2013 for performance-vesting awards granted in 2012 and 2013 because the performance conditions had not yet been determined.

As of September 30, 2013, there was no liability for RSU liability awards. As of December 31, 2012, accrued liabilities in the accompanying unaudited consolidated balance sheets included $0.1 million related to RSU liability awards.

RSU liability award activity was as follows:

	RSUs
	#
Non-vested, December 31, 2012	25,344
Granted	20,000
Dividend equivalent units granted	652
Vested	(20,656	)
Forfeited	(5,069	)
Non-vested, September 30, 2013	20,271

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Long-Term Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Debt disclosure [Line Items]
Proceeds from Issuance of Private Placement	$ 175.0
Interest and Debt Expense	0	0	2.5	8.1
Line of Credit Facility, Maximum Borrowing Capacity	50.0		50.0
Repayments of long-term debt			278.8	154.8
Long-term Debt	649.1		649.1		595.7
Document Period End Date			Sep. 30, 2013
Senior Secured Credit Facilities, 2012 Refinancing [Member]
Debt disclosure [Line Items]
Interest and Debt Expense		(5.7)
Senior Secured Credit Facility 2012 Term B Loan [Member]
Debt disclosure [Line Items]
Debt Instrument, Debt Agreement, Incremental Borrowing Amount Option One	110.0		110.0
Debt Instrument, Face Amount	50.0		50.0
Senior Notes [Member]
Debt disclosure [Line Items]
Term loan, unamortized discount	2.0		2.0
Senior Secured Credit Facilities, 2007 Refinancing, and AcquisitionCo Notes [Member]
Debt disclosure [Line Items]
Interest and Debt Expense		(2.4)
Term Loan, Net [Member]
Debt disclosure [Line Items]
Repayments of long-term debt			1.2
Minimum [Member] | Senior Secured Credit Facility 2012 Term B Loan [Member]
Debt disclosure [Line Items]
Debt Instrument, Debt Agreement, Incremental Borrowing Leverage Ratio, Option Two	100.00%		100.00%
Maximum [Member] | Senior Secured Credit Facility 2012 Term B Loan [Member]
Debt disclosure [Line Items]
Debt Instrument, Debt Agreement, Incremental Borrowing Leverage Ratio, Option Two	225.00%		225.00%
Term Loan, Net [Member] | Senior Secured Credit Facility 2012 Term B Loan [Member]
Debt disclosure [Line Items]
Debt, Weighted Average Interest Rate	5.75%		5.75%		5.75%
Term loan, unamortized discount	3.0		3.0		2.2
Term Loan, Net [Member] | Term B loan due 2014 [Member]
Debt disclosure [Line Items]
Long-term Debt	476.1		476.1		320.4
Line of Credit [Member] | Asset-Backed Revolving Credit Facility [Member]
Debt disclosure [Line Items]
Long-term Debt	0		0		0
Line of Credit Facility, Amount Outstanding	0		0
Letters of Credit Outstanding, Amount	34.6		34.6		31.1
Line of Credit Facility Minimum Fixed Charge Coverage Ratio	100.00%		100.00%
Line of Credit Facility Maximum Borrowing Capacity Subject to Borrowing Base Calculation	120.0		120.0
Debt Instrument, Face Amount	15.0		15.0
Debt Instrument, Interest Rate, Stated Percentage	1.50%		1.50%
Senior Notes [Member]
Debt disclosure [Line Items]
Debt, Weighted Average Interest Rate	0.00%		0.00%
Senior Notes [Member] | Senior Floating Rate Notes Due 2015 AcquisitionCo Notes [Member]
Debt disclosure [Line Items]
Debt, Weighted Average Interest Rate	11.00%		11.00%		4.52%
Long-term Debt	173.0		173.0		275.3
Minimum [Member] | Line of Credit [Member] | Asset-Backed Revolving Credit Facility [Member]
Debt disclosure [Line Items]
Line of Credit Facility Maximum Borrowing Capacity Subject to Borrowing Base Calculation	$ 20.0		$ 20.0

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Long-Term Debt (Schedule of Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Noranda AcquisitionCo [Abstract]
Long-term debt, carrying value	$ 649.1	$ 595.7
Current portion of long-term debt	(4.9)	(3.3)
Long-term debt, net	644.2	592.4
Senior Notes [Member]
Noranda AcquisitionCo [Abstract]
Long-term debt, period end interest rate	0.00%
Term B loan due 2014 [Member] | Term Loan, Net [Member]
Noranda AcquisitionCo [Abstract]
Long-term debt, carrying value	476.1	320.4
Senior Floating Rate Notes Due 2015 AcquisitionCo Notes [Member] | Senior Notes [Member]
Noranda AcquisitionCo [Abstract]
Long-term debt, carrying value	173.0	275.3
Long-term debt, fair value	153.7	258.8
Long-term debt, period end interest rate	11.00%	4.52%
Senior Secured Credit Facility 2012 Term B Loan [Member] | Term Loan, Net [Member]
Noranda AcquisitionCo [Abstract]
Long-term debt, fair value	476.1	320.4
Long-term debt, period end interest rate	5.75%	5.75%
Asset-Backed Revolving Credit Facility [Member] | Line of Credit [Member]
Noranda AcquisitionCo [Abstract]
Long-term debt, carrying value	0	0
Long-term debt, fair value	$ 0	$ 0

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Non-Controlling Interest Non-Controlling Interest (Narrative) (Details)	3 Months Ended
	Sep. 30, 2013
Bauxite [Member]
Noncontrolling Interest [Line Items]
Percentage of product sold by a noncontrolling interest affiilate to the Company	52.00%
Parent Of Subsidiary [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	51.00%
Subsidiary [Member]
Noncontrolling Interest [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.00%