Condensed consolidating financial information (Tables)

3 Months Ended

9 Months Ended

12 Months Ended

Sep. 30, 2013

Sep. 30, 2012

Sep. 30, 2013

Sep. 30, 2012

Dec. 31, 2012

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed Consolidating Balance Sheet

CONDENSED CONSOLIDATING BALANCE SHEET
As of September 30, 2013
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
Assets:
Cash and cash equivalents	$	—		$	64,366		$	76,435		$	—		$	140,801
Restricted cash	790			2,483			—			—			3,273
Accounts receivable — net	50,157			1,090			—			—			51,247
Due from affiliates	610,588			39,991			2,339,683			(2,965,307		)	24,955
Inventories	158,620			72,885			—			—			231,505
Prepaid and other current assets	4,199			31,456			5,053			—			40,708
Deferred taxes - current portion	—			19,726			—			(6		)	19,720
Total current assets	824,354			231,997			2,421,171			(2,965,313		)	512,209
Investment in subsidiaries	50,696			—			(959,581		)	908,885			—
Property, plant and equipment — net	354,595			883,232			1,793			(419		)	1,239,201
Due from affiliates – less current portion	—			30,479			—			(30,479		)	—
Other assets	17,603			53,596			32,274			4,748			108,221
Total	$	1,247,248		$	1,199,304		$	1,495,657		$	(2,082,578	)	$	1,859,631
Liabilities:
Accounts payable, trade	$	66,212		$	38,383		$	1,355		$	—		$	105,950
Due to affiliates	2,161,803			135,587			202,075			(2,427,726		)	71,739
Accrued and other current liabilities	39,678			13,678			17,638			1,927			72,921
Accrued employee benefits costs	13,495			—			3,565			—			17,060
Industrial revenue bonds	7,815			—			—			—			7,815
Current portion of long-term debt	—			—			2,603			—			2,603
Total current liabilities	2,289,003			187,648			227,236			(2,425,799		)	278,088
Senior notes payable	—			—			246,442			—			246,442
Revolving credit facility	—			—			16,725			—			16,725
Accrued pension benefit costs — less current portion	29,188			—			30,536			—			59,724
Accrued postretirement benefit costs — less current portion	137,388			—			6,637			—			144,025
Other liabilities/intercompany loan	57,871			572,417			2,560			(595,664		)	37,184
Deferred taxes	—			111,922			—			—			111,922
Total noncurrent liabilities	224,447			684,339			302,900			(595,664		)	616,022
Shareholders’ equity:
Series A Preferred stock	—			—			1			—			1
Common stock	60			12			935			(72		)	935
Additional paid-in capital	370,467			169,493			2,508,456			(539,960		)	2,508,456
Treasury stock, at cost	—			—			(49,924		)	—			(49,924		)
Accumulated other comprehensive loss	(133,371		)	(1,640		)	(138,680		)	135,011			(138,680		)
Retained earnings (accumulated deficit)	(1,503,358		)	159,452			(1,355,267		)	1,343,906			(1,355,267		)
Total shareholders’ equity	(1,266,202		)	327,317			965,521			938,885			965,521
Total	$	1,247,248		$	1,199,304		$	1,495,657		$	(2,082,578	)	$	1,859,631

CONDENSED CONSOLIDATING BALANCE SHEET
As of December 31, 2012
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
Assets:
Cash and cash equivalents	$	—		$	110,016		$	73,960		$	—		$	183,976
Restricted cash	258			—			—			—			258
Accounts receivable — net	38,328			12,339			—			—			50,667
Due from affiliates	604,008			38,328			2,391,249			(2,995,715		)	37,870
Inventories	97,847			62,078			—			—			159,925
Prepaid and other current assets	4,421			30,650			8,063			(8,159		)	34,975
Deferred taxes — current portion	—			17,799			—			1,927			19,726
Total current assets	744,862			271,210			2,473,272			(3,001,947		)	487,397
Investment in subsidiaries	40,335			—			(1,039,141		)	998,806			—
Property, plant and equipment — net	313,090			874,559			916			(351		)	1,188,214
Due from affiliates - less current portion	—			3,588			—			(3,588		)	—
Other assets	17,616			45,474			37,027			598			100,715
Total	$	1,115,903		$	1,194,831		$	1,472,074		$	(2,006,482	)	$	1,776,326
Liabilities:
Accounts payable, trade	$	37,301		$	37,627		$	442		$	—		$	75,370
Due to affiliates	2,098,320			105,945			193,788			(2,358,316		)	39,737
Accrued and other current liabilities	13,031			31,332			1,967			(6,231		)	40,099
Accrued employee benefits costs	15,926			—			2,757			—			18,683
Industrial revenue bonds	7,815			—			—			—			7,815
Total current liabilities	2,172,393			174,904			198,954			(2,364,547		)	181,704
Senior notes payable	—			—			250,582			—			250,582
Accrued pension benefit costs — less current portion	36,087			—			31,791			—			67,878
Accrued postretirement benefit costs — less current portion	137,184			—			5,921			—			143,105
Other liabilities/intercompany loan	65,377			614,585			2,183			(641,983		)	40,162
Deferred taxes	—			109,011			—			1,241			110,252
Total noncurrent liabilities	238,648			723,596			290,477			(640,742		)	611,979
Shareholders’ equity:
Series A Preferred stock	—			—			1			—			1
Common stock	60			12			933			(72		)	933
Additional paid-in capital	303,659			150,743			2,507,454			(454,402		)	2,507,454
Treasury stock, at cost	—			—			(49,924		)	—			(49,924		)
Accumulated other comprehensive loss	(146,862		)	(1,525		)	(151,192		)	148,387			(151,192		)
Retained earnings (accumulated deficit)	(1,451,995		)	147,101			(1,324,629		)	1,304,894			(1,324,629		)
Total shareholders’ equity	(1,295,138		)	296,331			982,643			998,807			982,643
Total	$	1,115,903		$	1,194,831		$	1,472,074		$	(2,006,482	)	$	1,776,326

Condensed Consolidating Statement of Comprehensive Income (Loss)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
For the three months ended September 30, 2013
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
NET SALES:
Third-party customers	$	224,571		$	46,445		$	—		$	—		$	271,016
Related parties	71,399			57,513			—			—			128,912
	295,970			103,958			—			—			399,928
Cost of goods sold	303,521			84,053			—			—			387,574
Gross profit (loss)	(7,551		)	19,905			—			—			12,354
Other operating expenses – net	2,174			—			—			—			2,174
Selling, general and administrative expenses	10,585			3,837			—			—			14,422
Operating income (loss)	(20,310		)	16,068			—			—			(4,242		)
Interest expense – third party	(5,406		)	—			—			—			(5,406		)
Interest expense – affiliates	13,950			(13,950		)	—			—			—
Interest income – third party	4			137			—			—			141
Net gain on forward and derivative contracts	440			—			—			—			440
Other income (expense) - net	(25		)	238			—			—			213
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(11,347		)	2,493			—			—			(8,854		)
Income tax benefit (expense)	685			(2,069		)	—			—			(1,384		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(10,662		)	424			—			—			(10,238		)
Equity in earnings (loss) of subsidiaries and joint ventures	(3,108		)	731			(9,507		)	12,615			731
Net income (loss)	$	(13,770	)	$	1,155		$	(9,507	)	$	12,615		$	(9,507	)
Other comprehensive income (loss) before income tax effect	$	2,093		$	(46	)	$	866		$	(2,047	)	$	866
Income tax effect	(375		)	8			(383		)	367			(383		)
Other comprehensive income (loss)	1,718			(38		)	483			(1,680		)	483
Comprehensive income (loss)	$	(12,052	)	$	1,117		$	(9,024	)	$	10,935		$	(9,024	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
For the three months ended September 30, 2012
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
NET SALES:
Third-party customers	$	123,525		$	46,498		$	—		$	—		$	170,023
Related parties	75,590			59,022			—			—			134,612
	199,115			105,520			—			—			304,635
Cost of goods sold	210,417			90,968			—			—			301,385
Gross profit (loss)	(11,302		)	14,552			—			—			3,250
Other operating expenses – net	7,388			—			—			—			7,388
Selling, general and administrative expenses	7,530			1,652			—			—			9,182
Operating income (loss)	(26,220		)	12,900			—			—			(13,320		)
Interest expense – third party	(6,041		)	—			—			—			(6,041		)
Interest expense – affiliates	15,860			(15,860		)	—			—			—
Interest income – third party	4			68			—			—			72
Net gain on forward and derivative contracts	(340		)	—			—			—			(340		)
Other (income) expense – net	(48		)	7,696			—			—			7,648
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(16,785		)	4,804			—			—			(11,981		)
Income tax benefit (expense)	964			(2,132		)	—			—			(1,168		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(15,821		)	2,672			—			—			(13,149		)
Equity in earnings (loss) of subsidiaries and joint ventures	(638		)	1,126			(12,023		)	12,661			1,126
Net income (loss)	$	(16,459	)	$	3,798		$	(12,023	)	$	12,661		$	(12,023	)
Other comprehensive income (loss) before income tax effect	$	1,339		$	(47	)	$	1,556		$	(1,292	)	$	1,556
Income tax effect	(4		)	9			(382		)	(5		)	(382		)
Other comprehensive income (loss)	1,335			(38		)	1,174			(1,297		)	1,174
Comprehensive income (loss)	$	(15,124	)	$	3,760		$	(10,849	)	$	11,364		$	(10,849	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
For the nine months ended September 30, 2013
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
NET SALES:
Third-party customers	$	535,655		$	144,825		$	—		$	—		$	680,480
Related parties	189,679			182,980			—			—			372,659
	725,334			327,805			—			—			1,053,139
Cost of goods sold	765,101			263,800			—			—			1,028,901
Gross profit (loss)	(39,767		)	64,005			—			—			24,238
Other operating expenses – net	6,288			—			—			—			6,288
Selling, general and administrative expenses	35,229			10,646			—			—			45,875
Operating income (loss)	(81,284		)	53,359			—			—			(27,925		)
Interest expense – third party	(17,706		)	—			—			—			(17,706		)
Interest expense – affiliates	42,967			(42,967		)	—			—			—
Interest income – third party	35			423			—			—			458
Net gain on forward and derivative contracts	16,151			—			—			—			16,151
Gain on bargain purchase	5,253			—			—			—			5,253
Loss on early extinguishment of debt	(3,272		)	—			—			—			(3,272		)
Other expense – net	(34		)	(967		)	—			—			(1,001		)
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(37,890		)	9,848			—			—			(28,042		)
Income tax benefit (expense)	(5,099		)	385			—			—			(4,714		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(42,989		)	10,233			—			—			(32,756		)
Equity in earnings (loss) of subsidiaries and joint ventures	(8,374		)	2,118			(30,638		)	39,012			2,118
Net income (loss)	$	(51,363	)	$	12,351		$	(30,638	)	$	39,012		$	(30,638	)
Other comprehensive income (loss) before income tax effect	$	13,183		$	(139	)	$	13,660		$	(13,044	)	$	13,660
Income tax effect	(1,123		)	25			(1,148		)	1,098			(1,148		)
Other comprehensive income (loss)	12,060			(114		)	12,512			(11,946		)	12,512
Comprehensive income (loss)	$	(39,303	)	$	12,237		$	(18,126	)	$	27,066		$	(18,126	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
For the nine months ended September 30, 2013
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
NET SALES:
Third-party customers	$	535,655		$	144,825		$	—		$	—		$	680,480
Related parties	189,679			182,980			—			—			372,659
	725,334			327,805			—			—			1,053,139
Cost of goods sold	765,101			263,800			—			—			1,028,901
Gross profit (loss)	(39,767		)	64,005			—			—			24,238
Other operating expenses – net	6,288			—			—			—			6,288
Selling, general and administrative expenses	35,229			10,646			—			—			45,875
Operating income (loss)	(81,284		)	53,359			—			—			(27,925		)
Interest expense – third party	(17,706		)	—			—			—			(17,706		)
Interest expense – affiliates	42,967			(42,967		)	—			—			—
Interest income – third party	35			423			—			—			458
Net gain on forward and derivative contracts	16,151			—			—			—			16,151
Gain on bargain purchase	5,253			—			—			—			5,253
Loss on early extinguishment of debt	(3,272		)	—			—			—			(3,272		)
Other expense – net	(34		)	(967		)	—			—			(1,001		)
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(37,890		)	9,848			—			—			(28,042		)
Income tax benefit (expense)	(5,099		)	385			—			—			(4,714		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(42,989		)	10,233			—			—			(32,756		)
Equity in earnings (loss) of subsidiaries and joint ventures	(8,374		)	2,118			(30,638		)	39,012			2,118
Net income (loss)	$	(51,363	)	$	12,351		$	(30,638	)	$	39,012		$	(30,638	)
Other comprehensive income (loss) before income tax effect	$	13,183		$	(139	)	$	13,660		$	(13,044	)	$	13,660
Income tax effect	(1,123		)	25			(1,148		)	1,098			(1,148		)
Other comprehensive income (loss)	12,060			(114		)	12,512			(11,946		)	12,512
Comprehensive income (loss)	$	(39,303	)	$	12,237		$	(18,126	)	$	27,066		$	(18,126	)

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME (LOSS)
For the nine months ended September 30, 2012
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Reclassifications and Eliminations			Consolidated
NET SALES:
Third-party customers	$	391,100		$	151,784		$	—		$	—		$	542,884
Related parties	226,589			184,971			—			—			411,560
	617,689			336,755			—			—			954,444
Cost of goods sold	640,650			283,995			—			—			924,645
Gross profit (loss)	(22,961		)	52,760			—			—			29,799
Other operating expense – net	14,926			—			—			—			14,926
Selling, general and administrative expenses	23,747			1,045			—			—			24,792
Operating income (loss)	(61,634		)	51,715			—			—			(9,919		)
Interest expense – third party	(17,966		)	—			—			—			(17,966		)
Interest expense – affiliates	48,108			(48,108		)	—			—			—
Interest income – third party	19			305			—			—			324
Interest income – related parties	—			62			—			—			62
Net gain on forward and derivative contracts	(4,049		)	—			—			—			(4,049		)
Other income – net	750			7,365			—			—			8,115
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(34,772		)	11,339			—			—			(23,433		)
Income tax benefit (expense)	279			(7,663		)	—			—			(7,384		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(34,493		)	3,676			—			—			(30,817		)
Equity in earnings (loss) of subsidiaries and joint ventures	(482		)	2,116			(28,701		)	29,183			2,116
Net income (loss)	$	(34,975	)	$	5,792		$	(28,701	)	$	29,183		$	(28,701	)
Other comprehensive income (loss) before income tax effect	$	4,141		$	(140	)	$	4,842		$	(4,001	)	$	4,842
Income tax effect	(605		)	26			(1,147		)	579			(1,147		)
Other comprehensive income (loss)	3,536			(114		)	3,695			(3,422		)	3,695
Comprehensive income (loss)	$	(31,439	)	$	5,678		$	(25,006	)	$	25,761		$	(25,006	)

Condensed Consolidating Statement of Cash Flows

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
For the nine months ended September 30, 2013
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Consolidated
Net cash provided by (used in) operating activities	$	54,782		$	(12,324	)	$	—		$	42,458
Investing activities:
Purchase of property, plant and equipment	(10,400		)	(20,408		)	(1,186		)	(31,994		)
Nordural expansion — Helguvik	—			(2,855		)	—			(2,855		)
Purchase of carbon anode assets and improvements	—			(8,519		)	—			(8,519		)
Purchase of Sebree smelter	—			—			(48,058		)	(48,058		)
Proceeds from sale of property, plant and equipment	10			505			—			515
Restricted and other cash deposits	(532		)	(2,483		)	—			(3,015		)
Net cash used in investing activities	(10,922		)	(33,760		)	(49,244		)	(93,926		)
Financing activities:
Repayment of debt	—			—			(249,604		)	(249,604		)
Proceeds from issuance of debt	—			—			246,330			246,330
Borrowings under revolving credit facility	—			—			16,725			16,725
Debt issuance costs	—			—			(3,994		)	(3,994		)
Debt retirement costs	—			—			(1,208		)	(1,208		)
Intercompany transactions	(43,860		)	434			43,426			—
Issuance of common stock — net	—			—			44			44
Net cash provided by (used in) financing activities	(43,860		)	434			51,719			8,293
Change in cash and cash equivalents	—			(45,650		)	2,475			(43,175		)
Cash and cash equivalents, beginning of the period	—			110,016			73,960			183,976
Cash and cash equivalents, end of the period	$	—		$	64,366		$	76,435		$	140,801

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
For the nine months ended September 30, 2012
	Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			The Company			Consolidated
Net cash provided by operating activities	$	11,824		$	9,261		$	—		$	21,085
Investing activities:
Purchase of property, plant and equipment	(4,102		)	(6,219		)	(78		)	(10,399		)
Nordural expansion — Helguvik	—			(5,474		)	—			(5,474		)
Purchase of carbon anode assets and improvements	(14,185		)	—			—			(14,185		)
Investments in and advances to joint ventures	—			—			(275		)	(275		)
Dividends and payments received on advances to joint ventures	—			—			3,166			3,166
Proceeds from sale of property, plant and equipment	—			89			—			89
Net cash provided by (used in) investing activities	(18,287		)	(11,604		)	2,813			(27,078		)
Financing activities:
Borrowings under revolving credit facility	—			—			18,076			18,076
Repayments under revolving credit facility	—			—			(18,076		)	(18,076		)
Intercompany transactions	6,463			(18,822		)	12,359			—
Repurchase of common stock	—			—			(4,033		)	(4,033		)
Net cash provided by (used in) financing activities	6,463			(18,822		)	8,326			(4,033		)
Change in cash and cash equivalents	—			(21,165		)	11,139			(10,026		)
Cash and cash equivalents, beginning of the period	—			159,157			24,244			183,401
Cash and cash equivalents, end of the period	$	—		$	137,992		$	35,383		$	173,375