Condensed consolidating financial information

3 Months Ended

12 Months Ended

Mar. 31, 2017

Dec. 31, 2016

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Condensed consolidating financial information

Our 2021 Notes are guaranteed by each of our material existing and future domestic subsidiaries (The "Guarantor Subsidiaries"), except for Nordural US LLC, Century Aluminum Development LLC and Century Aluminum of West Virginia, Inc. The Guarantor Subsidiaries are 100% owned by Century. All guarantees are full and unconditional; all guarantees are joint and several. These notes are not guaranteed by our foreign subsidiaries (such foreign subsidiaries along with Nordural US LLC, Century Aluminum Development LLC and Century Aluminum of West Virginia, Inc., collectively the “Non-Guarantor Subsidiaries”). We allocate corporate expenses or income to our subsidiaries and charge interest on certain intercompany balances.

The following summarized condensed consolidating statements of comprehensive income (loss) for three months ended March 31, 2017 and 2016, condensed consolidating balance sheets as of March 31, 2017 and December 31, 2016 and the condensed consolidating statements of cash flows for the three months ended March 31, 2017 and 2016 present separate results for Century, the Guarantor Subsidiaries, the Non-Guarantor Subsidiaries, consolidating adjustments and total consolidated amounts.



Condensed Consolidating Statements of Comprehensive Income (Loss)
For the three months ended March 31, 2017
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
NET SALES:
Related parties	$	—		$	131,068		$	149,505		$	—		$	280,573
Other customers	—			85,183			30			—			85,213
Total net sales	—			216,251			149,535			—			365,786
Cost of goods sold	—			213,751			135,184			—			348,935
Gross profit	—			2,500			14,351			—			16,851
Selling, general and administrative expenses	10,200			—			502			—			10,702
Other operating expense - net	—			—			973			—			973
Operating income (loss)	(10,200		)	2,500			12,876			—			5,176
Interest expense	(5,148		)	(379		)	(44		)	—			(5,571		)
Interest income (expense) - affiliates	8,982			2,081			(11,063		)	—			—
Interest income	80			—			150			—			230
Net loss on forward and derivative contracts	—			(15,847		)	(290		)	—			(16,137		)
Other income (expense) - net	787			47			(450		)	—			384
Income (loss) before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(5,499		)	(11,598		)	1,179			—			(15,918		)
Income tax benefit (expense)	571			493			(756		)	—			308
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(4,928		)	(11,105		)	423			—			(15,610		)
Equity in earnings (loss) of subsidiaries and joint ventures	(10,211		)	853			471			9,358			471
Net income (loss)	$	(15,139	)	$	(10,252	)	$	894		$	9,358		$	(15,139	)
Other comprehensive income before income tax effect	1,786			1,306			348			(1,654		)	1,786
Income tax effect	(1,074		)	—			8			(8		)	(1,074		)
Other comprehensive income	712			1,306			356			(1,662		)	712
Total comprehensive income (loss)	$	(14,427	)	$	(8,946	)	$	1,250		$	7,696		$	(14,427	)



Condensed Consolidating Statements of Comprehensive Income (Loss)
For the three months ended March 31, 2016
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
NET SALES:
Related parties	$	—		$	162,120		$	141,654		$	(23,397	)	$	280,377
Third-party customers	—			38,468			9			—			38,477
Total net sales	—			200,588			141,663			(23,397		)	318,854
Cost of goods sold	—			209,573			136,304			(23,971		)	321,906
Gross profit (loss)	—			(8,985		)	5,359			574			(3,052		)
Selling, general and administrative expenses	8,299			—			1,326			—			9,625
Other operating expense - net	—			—			881			—			881
Operating income (loss)	(8,299		)	(8,985		)	3,152			574			(13,558		)
Interest expense	(5,065		)	(382		)	(46		)	—			(5,493		)
Interest income (expense) - affiliates	9,548			—			(9,548		)	—			—
Interest income	37			—			77			—			114
Net gain on forward and derivative contracts	—			353			—			—			353
Other income (expense) - net	771			(6		)	(771		)	—			(6		)
Loss before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(3,008		)	(9,020		)	(7,136		)	574			(18,590		)
Income tax benefit	620			—			1,450			—			2,070
Loss before equity in earnings (loss) of subsidiaries and joint ventures	(2,388		)	(9,020		)	(5,686		)	574			(16,520		)
Equity in earnings (loss) of subsidiaries and joint ventures	(13,775		)	—			357			13,775			357
Net loss	$	(16,163	)	$	(9,020	)	$	(5,329	)	$	14,349		$	(16,163	)
Other comprehensive income before income tax effect	1,206			778			303			(1,081		)	1,206
Income tax effect	(383		)	—			8			(8		)	(383		)
Other comprehensive income	823			778			311			(1,089		)	823
Total comprehensive loss	$	(15,340	)	$	(8,242	)	$	(5,018	)	$	13,260		$	(15,340	)



Condensed Consolidating Balance Sheet
As of March 31, 2017
	The Company		Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries		Consolidating Adjustments			Total Consolidated
Cash & cash equivalents	$	39,218	$	(24	)	$	86,701	$	—		$	125,895
Restricted cash	—		797			—		—			797
Accounts receivable - net	—		35,999			226		—			36,225
Due from affiliates	42		11,747			—		—			11,789
Inventories	180		155,056			89,484		—			244,720
Prepaid and other current assets	6,909		2,795			9,264		—			18,968
Total current assets	46,349		206,370			185,675		—			438,394
Property, plant and equipment - net	14,379		320,527			677,658		—			1,012,564
Investment in subsidiaries	693,468		52,093			—		(745,561		)	—
Due from affiliates - long term	511,577		325,392			14,199		(851,168		)	—
Other assets	28,754		49,249			28,637		(31,791		)	74,849
TOTAL	$	1,294,527	$	953,631		$	906,169	$	(1,628,520	)	$	1,525,807

Accounts payable, trade	$	4,404	$	49,249		$	35,048	$	—		$	88,701
Due to affiliates	2,637		11,475			5,908		—			20,020
Accrued and other current liabilities	13,825		24,422			19,847		—			58,094
Accrued employee benefits costs	1,932		8,314			668		—			10,914
Industrial revenue bonds	—		7,815			—		—			7,815
Total current liabilities	22,798		101,275			61,471		—			185,544
Senior notes payable	247,809		—			—		—			247,809
Accrued pension benefits costs cost - less current portion	46,136		20,211			14,307		(31,791		)	48,863
Accrued postretirement benefits costs - less current portion	4,476		120,502			1,751		—			126,729
Other liabilities	4,499		31,146			28,963		—			64,608
Due to affiliates - long term	226,065		43,364			581,739		(851,168		)	—
Deferred taxes	—		2,735			106,775		—			109,510
Total noncurrent liabilities	528,985		217,958			733,535		(882,959		)	597,519
Preferred stock	1		—			—		—			1
Common stock	944		1			59		(60		)	944
Other shareholder's equity	741,799		634,397			111,104		(745,501		)	741,799
Total shareholder's equity	742,744		634,398			111,163		(745,561		)	742,744
TOTAL	$	1,294,527	$	953,631		$	906,169	$	(1,628,520	)	$	1,525,807



Condensed Consolidating Balance Sheet
As of December 31, 2016
	The Company		Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries		Consolidating Adjustments			Total Consolidated
Cash & cash equivalents	$	36,670	$	(255	)	$	95,988	$	—		$	132,403
Restricted cash	—		794			256		—			1,050
Accounts receivable - net	167		11,883			382		—			12,432
Due from affiliates	42		16,606			3		—			16,651
Inventories	180		146,689			86,694		—			233,563
Prepaid and other current assets	6,838		5,699			9,673		—			22,210
Assets held for sale	—		—			22,313		—			22,313
Total current assets	43,897		181,416			215,309		—			440,622
Property, plant and equipment - net	12,311		328,069			685,905		—			1,026,285
Investment in subsidiaries	702,659		51,240			—		(753,899		)	—
Due from affiliates - long term	529,873		346,893			1,792		(878,558		)	—
Other assets	28,215		49,331			27,596		(31,722		)	73,420
TOTAL	$	1,316,955	$	956,949		$	930,602	$	(1,664,179	)	$	1,540,327

Accounts payable, trade	$	6,125	$	52,921		$	35,914	$	—		$	94,960
Due to affiliates	417		9,641			5,310		—			15,368
Accrued and other current liabilities	11,950		17,744			20,406		—			50,100
Accrued employee benefits costs	1,932		8,317			668		—			10,917
Industrial revenue bonds	—		7,815			—		—			7,815
Total current liabilities	20,424		96,438			62,298		—			179,160
Senior notes payable	247,699		—			—		—			247,699
Accrued pension benefits costs cost - less current portion	46,390		20,167			14,658		(31,722		)	49,493
Accrued postretirement benefits costs - less current portion	4,380		120,242			1,733		—			126,355
Other liabilities	4,160		30,920			36,946		—			72,026
Due to affiliates - long term	237,247		42,609			598,702		(878,558		)	—
Deferred taxes	—		2,735			106,204		—			108,939
Total noncurrent liabilities	539,876		216,673			758,243		(910,280		)	604,512
Preferred stock	1		—			—		—			1
Common stock	944		1			59		(60		)	944
Other shareholder's equity	755,710		643,837			110,002		(753,839		)	755,710
Total shareholder's equity	756,655		643,838			110,061		(753,899		)	756,655
TOTAL	$	1,316,955	$	956,949		$	930,602	$	(1,664,179	)	$	1,540,327



Condensed Consolidating Statement of Cash Flows
For the three months ended March 31, 2017
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
Net cash provided by (used in) operating activities	$	(1,142	)	$	(21,757	)	$	11,555		$	—		$	(11,344	)
Purchase of property, plant and equipment	(4,395		)	(2,346		)	(2,304		)	—			(9,045		)
Proceeds from sale of Ravenswood	—			—			13,585			—			13,585
Restricted and other cash deposits	—			(3		)	256			—			253
Intercompany transactions	19,224			23,582			(12,406		)	(30,400		)	—
Net cash provided by (used in) investing activities	14,829			21,233			(869		)	(30,400		)	4,793
Borrowings under revolving credit facilities	233			—			—			—			233
Repayments under revolving credit facilities	(233		)	—			—			—			(233		)
Issuance of common stock	43			—			—			—			43
Intercompany transactions	(11,182		)	755			(19,973		)	30,400			—
Net cash provided by financing activities	(11,139		)	755			(19,973		)	30,400			43
CHANGE IN CASH AND CASH EQUIVALENTS	2,548			231			(9,287		)	—			(6,508		)
Cash and cash equivalents, beginning of period	36,670			(255		)	95,988			—			132,403
Cash and cash equivalents, end of period	$	39,218		$	(24	)	$	86,701		$	—		$	125,895



Condensed Consolidating Statement of Cash Flows
For the three months ended March 31, 2016
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
Net cash provided by (used in) operating activities	$	(8,754	)	$	5,435		$	9,956		$	8,266		$	14,903
Purchase of property, plant and equipment	—			(1,426		)	(2,409		)	—			(3,835		)
Net cash used in investing activities	—			(1,426		)	(2,409		)	—			(3,835		)
Borrowings under revolving credit facilities	371			—			—			—			371
Repayments under revolving credit facilities	(371		)	—			—			—			(371		)
Intercompany transactions	—			(436		)	8,702			(8,266		)	—
Net cash provided by (used in) financing activities	—			(436		)	8,702			(8,266		)	—
CHANGE IN CASH AND CASH EQUIVALENTS	(8,754		)	3,573			16,249			—			11,068
Cash and cash equivalents, beginning of period	58,421			(3,647		)	60,619			—			115,393
Cash and cash equivalents, end of period	$	49,667		$	(74	)	$	76,868		$	—		$	126,461

Condensed consolidating financial information

Our 2021 Notes are guaranteed by each of our material existing and future domestic subsidiaries (the "Guarantor Subsidiaries"), except for Nordural US LLC, Century Aluminum Development LLC and Century Aluminum of West Virginia, Inc. The Guarantor Subsidiaries are 100% owned by Century. All guarantees are full and unconditional; all guarantees are joint and several. These notes are not guaranteed by our foreign subsidiaries (such foreign subsidiaries along with Nordural US LLC, Century Aluminum Development LLC and Century Aluminum of West Virginia, collectively the “Non-Guarantor Subsidiaries”). We allocate corporate expenses or income to our subsidiaries and charge interest on certain intercompany balances.

The following summarized condensed consolidating statements of comprehensive income (loss) for the years ended December 31, 2016, 2015 and 2014, condensed consolidating balance sheets as of December 31, 2016 and 2015, and the condensed consolidating statements of cash flows for the years ended December 31, 2016, 2015 and 2014 present separate results for Century, the Guarantor Subsidiaries, the Non-Guarantor Subsidiaries, consolidating adjustments and total consolidated amounts.



	Condensed Consolidating Statements of Comprehensive Income (Loss)
	For the year ended December 31, 2016
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
NET SALES:
Related parties	$	—		$	668,486		$	510,145		$	—		$	1,178,631
Third-party customers	—			140,426			37			—			140,463
Total net sales	—			808,912			510,182			—			1,319,094
Cost of goods sold	—			862,632			467,504			—			1,330,136
Gross profit (loss)	—			(53,720		)	42,678			—			(11,042		)
Selling, general and administrative expenses	20,704			9,853			9,707			—			40,264
Helguvik impairment	—			—			152,220			—			152,220
Ravenswood charges	—			—			26,830			—			26,830
Other operating expense - net	—			—			3,857			—			3,857
Operating loss	(20,704		)	(63,573		)	(149,936		)	—			(234,213		)
Interest expense - third parties	(20,378		)	(1,659		)	(179		)	—			(22,216		)
Interest income (expense) - affiliates	39,211			8,107			(47,318		)	—			—
Interest income - third parties	182			10			566			—			758
Net gain on forward and derivative contracts	—			3,487			—			—			3,487
Other income (expense) - net	1,239			218			(138		)	—			1,319
Loss before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(450		)	(53,410		)	(197,005		)	—			(250,865		)
Income tax (expense) benefit	1,925			—			(4,749		)	—			(2,824		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	1,475			(53,410		)	(201,754		)	—			(253,689		)
Equity in earnings (loss) of subsidiaries and joint ventures	(253,890		)	12,463			1,274			241,427			1,274
Net loss	$	(252,415	)	$	(40,947	)	$	(200,480	)	$	241,427		$	(252,415	)
Other comprehensive income before income tax effect	288			1,868			5,134			(7,002		)	288
Income tax effect	(1,531		)	—			(24		)	24			(1,531		)
Other comprehensive income (loss)	(1,243		)	1,868			5,110			(6,978		)	(1,243		)
Total comprehensive loss	$	(253,658	)	$	(39,079	)	$	(195,370	)	$	234,449		$	(253,658	)



	Condensed Consolidating Statements of Comprehensive Income (Loss)
	For the year ended December 31, 2015
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
NET SALES:
Related parties	$	—		$	1,277,474		$	632,597		$	(42,360	)	$	1,867,711
Third-party customers	—			82,327			43			(224		)	82,146
Total net sales	—			1,359,801			632,640			(42,584		)	1,949,857
Cost of goods sold	—			1,388,400			564,380			(44,236		)	1,908,544
Gross profit (loss)	—			(28,599		)	68,260			1,652			41,313
Selling, general and administrative expenses	28,000			8,798			5,317			—			42,115
Ravenswood charges	—			—			30,850			—			30,850
Other operating expense - net	—			—			7,436			—			7,436
Operating income (loss)	(28,000		)	(37,397		)	24,657			1,652			(39,088		)
Interest expense - third parties	(20,201		)	(1,567		)	(186		)	—			(21,954		)
Interest income (expense) - affiliates	37,626			—			(37,626		)	—			—
Interest income - third parties	65			4			270			—			339
Net gain on forward and derivative contracts	—			1,411			189			—			1,600
Unrealized gain on fair value of contingent consideration	—			18,337			—			—			18,337
Other income (expense) - net	1,356			(658		)	2,356			(3,410		)	(356		)
Loss before income taxes and equity in earnings (loss) of subsidiaries and joint ventures	(9,154		)	(19,870		)	(10,340		)	(1,758		)	(41,122		)
Income tax benefit (expense)	2,140			—			(11,416		)	—			(9,276		)
Income (loss) before equity in earnings (loss) of subsidiaries and joint ventures	(7,014		)	(19,870		)	(21,756		)	(1,758		)	(50,398		)
BHH impairment	—			—			(11,584		)	—			(11,584		)
Equity in earnings (loss) of subsidiaries and joint ventures	(52,296		)	—			2,672			52,296			2,672
Net loss	$	(59,310	)	$	(19,870	)	$	(30,668	)	$	50,538		$	(59,310	)
Other comprehensive income (loss) before income tax effect	6,568			14,754			(1,114		)	(13,640		)	6,568
Income tax effect	(1,536		)	—			33			(33		)	(1,536		)
Other comprehensive income (loss)	5,032			14,754			(1,081		)	(13,673		)	5,032
Total comprehensive loss	$	(54,278	)	$	(5,116	)	$	(31,749	)	$	36,865		$	(54,278	)



	Condensed Consolidating Statements of Comprehensive Income (Loss)
	For the year ended December 31, 2014
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
NET SALES:
Related parties	$	—		$	715,796		$	625,076		$	(78,771	)	$	1,262,101
Third-party customers	—			669,466			31			(556		)	668,941
Total net sales	—			1,385,262			625,107			(79,327		)	1,931,042
Cost of goods sold	—			1,282,194			522,543			(75,494		)	1,729,243
Gross profit	—			103,068			102,564			(3,833		)	201,799
Selling, general and administrative expenses	32,840			11,353			5,002			—			49,195
Other operating expense - net	—			—			12,481			—			12,481
Operating income (loss)	(32,840		)	91,715			85,081			(3,833		)	140,123
Interest expense - third parties	(20,228		)	(1,555		)	(232		)	—			(22,015		)
Interest income (expense) - affiliates	43,688			—			(43,688		)	—			—
Interest income - third parties	15			—			286			—			301
Net gain (loss) on forward and derivative contracts	(1,080		)	1,259			—			—			179
Unrealized gain on fair value of contingent consideration	—			7,943			—			—			7,943
Gain on remeasurement of equity investment	—			15,955			—			—			15,955
Other income (expense) - net	518			(459		)	4,564			(3,632		)	991
Income (loss) before income taxes and equity in earnings of subsidiaries and joint ventures	(9,927		)	114,858			46,011			(7,465		)	143,477
Income tax expense	(4,777		)	(493		)	(13,211		)	173			(18,308		)
Income (loss) before equity in earnings of subsidiaries and joint ventures	(14,704		)	114,365			32,800			(7,292		)	125,169
Equity in earnings of subsidiaries and joint ventures	141,178			—			1,305			(141,178		)	1,305
Net income	$	126,474		$	114,365		$	34,105		$	(148,470	)	$	126,474
Other comprehensive loss before income tax effect	(24,022		)	(28,955		)	(2,662		)	18,967			(36,672		)
Income tax effect	(1,829		)	—			33			(33		)	(1,829		)
Other comprehensive loss	(25,851		)	(28,955		)	(2,629		)	18,934			(38,501		)
Total comprehensive income	$	100,623		$	85,410		$	31,476		$	(129,536	)	$	87,973



	Condensed Consolidating Balance Sheet
	As of December 31, 2016
	The Company		Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries		Consolidating Adjustments			Total Consolidated
Cash & cash equivalents	$	36,670	$	(255	)	$	95,988	$	—		$	132,403
Restricted cash	—		794			256		—			1,050
Accounts receivable - net	167		11,883			382		—			12,432
Due from affiliates	42		16,606			3		—			16,651
Inventories	180		146,689			86,694		—			233,563
Prepaid and other current assets	6,838		5,699			9,673		—			22,210
Assets held for sale	—		—			22,313		—			22,313
Total current assets	43,897		181,416			215,309		—			440,622
Property, plant and equipment - net	12,311		328,069			685,905		—			1,026,285
Investment in subsidiaries	702,659		51,240			—		(753,899		)	—
Due from affiliates - long term	529,873		346,893			1,792		(878,558		)	—
Other assets	28,215		49,331			27,596		(31,722		)	73,420
TOTAL	$	1,316,955	$	956,949		$	930,602	$	(1,664,179	)	$	1,540,327

Accounts payable, trade	$	6,125	$	52,921		$	35,914	$	—		$	94,960
Due to affiliates	417		9,641			5,310		—			15,368
Accrued and other current liabilities	11,950		17,744			20,406		—			50,100
Accrued employee benefits costs	1,932		8,317			668		—			10,917
Industrial revenue bonds	—		7,815			—		—			7,815
Total current liabilities	20,424		96,438			62,298		—			179,160
Senior notes payable	247,699		—			—		—			247,699
Accrued pension benefits costs cost - less current portion	46,390		20,167			14,658		(31,722		)	49,493
Accrued postretirement benefits costs - less current portion	4,380		120,242			1,733		—			126,355
Other liabilities	4,160		30,920			36,946		—			72,026
Due to affiliates - long term	237,247		42,609			598,702		(878,558		)	—
Deferred taxes	—		2,735			106,204		—			108,939
Total noncurrent liabilities	539,876		216,673			758,243		(910,280		)	604,512
Preferred stock	1		—			—		—			1
Common stock	944		1			59		(60		)	944
Other shareholder's equity	755,710		643,837			110,002		(753,839		)	755,710
Total shareholder's equity	756,655		643,838			110,061		(753,899		)	756,655
TOTAL	$	1,316,955	$	956,949		$	930,602	$	(1,664,179	)	$	1,540,327



	Condensed Consolidating Balance Sheet
	As of December 31, 2015
	The Company		Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries		Consolidating Adjustments			Total Consolidated
Cash & cash equivalents	$	58,421	$	(3,647	)	$	60,619	$	—		$	115,393
Restricted cash	—		791			—		—			791
Accounts receivable - net	104		8,891			480		—			9,475
Due from affiliates	13		14,493			2,911		—			17,417
Inventories	180		148,280			85,937		(2,525		)	231,872
Prepaid and other current assets	7,713		16,242			18,457		—			42,412
Assets held for sale	—		—			30,697		—			30,697
Total current assets	66,431		185,050			199,101		(2,525		)	448,057
Property, plant and equipment - net	9,188		361,626			861,442		—			1,232,256
Investment in subsidiaries	593,604		—			—		(593,604		)	—
Due from affiliates - long term	632,170		—			—		(632,170		)	—
Other assets	29,536		19,153			16,047		7,419			72,155
TOTAL	$	1,330,929	$	565,829		$	1,076,590	$	(1,220,880	)	$	1,752,468

Accounts payable, trade	$	2,380	$	53,145		$	34,964	$	—		$	90,489
Due to affiliates	2,143		7,167			735		—			10,045
Accrued and other current liabilities	11,247		14,759			22,816		—			48,822
Accrued employee benefits costs	1,824		7,644			680		—			10,148
Industrial revenue bonds	—		7,815			—		—			7,815
Total current liabilities	17,594		90,530			59,195		—			167,319
Senior notes payable	247,278		—			—		—			247,278
Accrued pension benefits costs cost - less current portion	39,831		(11,021		)	15,189		—			43,999
Accrued postretirement benefits costs - less current portion	4,524		119,911			1,564		—			125,999
Other liabilities	3,307		30,505			11,779		7,418			53,009
Intercompany loan	—		124,518			509,652		(634,170		)	—
Deferred taxes	—		—			106,053		—			106,053
Total noncurrent liabilities	294,940		263,913			644,237		(626,752		)	576,338
Preferred stock	1		—			—		—			1
Common stock	942		—			224,424		(224,424		)	942
Other shareholder's equity	1,017,452		211,386			148,734		(369,704		)	1,007,868
Total shareholder's equity	1,018,395		211,386			373,158		(594,128		)	1,008,811
TOTAL	$	1,330,929	$	565,829		$	1,076,590	$	(1,220,880	)	$	1,752,468



	Condensed Consolidating Statement of Cash Flows
	For the year ended December 31, 2016
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
Net cash provided by (used in) operating activities	$	(63,446	)	$	19,019		$	82,600		$	—		$	38,173
Purchase of property, plant and equipment	(1,425		)	(7,807		)	(12,712		)	—			(21,944		)
Proceeds from sale of property, plant and equipment	—			—			1,040			—			1,040
Restricted and other cash deposits	—			(3		)	(256		)	—			(259		)
Intercompany transactions	27,761			(15,305		)	(937		)	(11,519		)	—
Net cash provided by (used in) investing activities	26,336			(23,115		)	(12,865		)	(11,519		)	(21,163		)
Borrowings under revolving credit facilities	1,179			—			—			—			1,179
Repayments under revolving credit facilities	(1,179		)	—			—			—			(1,179		)
Intercompany transactions	15,359			7,488			(34,366		)	11,519			—
Net cash provided by (used in) financing activities	15,359			7,488			(34,366		)	11,519			—
CHANGE IN CASH AND CASH EQUIVALENTS	(21,751		)	3,392			35,369			—			17,010
Cash and cash equivalents, beginning of period	58,421			(3,647		)	60,619			—			115,393
Cash and cash equivalents, end of period	$	36,670		$	(255	)	$	95,988		$	—		$	132,403



	Condensed Consolidating Statement of Cash Flows
	For the year ended December 31, 2015
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
Net cash provided by operating activities	$	25,423		$	30,890		$	65,085		$	(89,532	)	$	31,866
Purchase of property, plant and equipment	(8,574		)	(21,477		)	(24,209		)	(440		)	(54,700		)
Purchase of remaining interest in Mt. Holly smelter	11,313			—			—			—			11,313
Proceeds from sale of property, plant and equipment	—			14			—			—			14
Restricted and other cash deposits	—			(4		)	14			—			10
Intercompany transactions	(4,072		)	—			—			4,072			—
Net cash used in investing activities	(1,333		)	(21,467		)	(24,195		)	3,632			(43,363		)
Borrowings under revolving credit facilities	1,737			—			—			—			1,737
Repayments under revolving credit facilities	(1,737		)	—			—			—			(1,737		)
Repurchase of common stock	(36,352		)	—			—			—			(36,352		)
Intercompany transactions	—			(11,883		)	(74,017		)	85,900			—
Net cash used in financing activities	(36,352		)	(11,883		)	(74,017		)	85,900			(36,352		)
CHANGE IN CASH AND CASH EQUIVALENTS	(12,262		)	(2,460		)	(33,127		)	—			(47,849		)
Cash and cash equivalents, beginning of year	70,683			(1,187		)	93,746			—			163,242
Cash and cash equivalents, end of year	$	58,421		$	(3,647	)	$	60,619		$	—		$	115,393



	Condensed Consolidating Statement of Cash Flows
	For the year ended December 31, 2014
	The Company			Combined Guarantor Subsidiaries			Combined Non-Guarantor Subsidiaries			Consolidating Adjustments			Total Consolidated
Net cash provided by operating activities	$	92,338		$	40,711		$	139,896		$	(65,265	)	$	207,680
Purchase of property, plant and equipment	(587		)	(22,939		)	(31,603		)	3			(55,126		)
Purchase of Sebree smelter	(1,042		)	—			—			—			(1,042		)
Purchase of remaining interest in Mt. Holly smelter	(65,100		)	—			—			—			(65,100		)
Proceeds from sale of property, plant and equipment	—			—			46			—			46
Restricted and other cash deposits	—			—			896			—			896
Net cash used in investing activities	(66,729		)	(22,939		)	(30,661		)	3			(120,326		)
Repayment of debt	(2,603		)	—			—			—			(2,603		)
Borrowings under revolving credit facilities	92,423			—			—			—			92,423
Repayments under revolving credit facilities	(92,423		)	—			(6,000		)	—			(98,423		)
Issuance of common stock	403			—			—			—			403
Intercompany transactions	—			(17,801		)	(47,461		)	65,262			—
Net cash used in financing activities	(2,200		)	(17,801		)	(53,461		)	65,262			(8,200		)
CHANGE IN CASH AND CASH EQUIVALENTS	23,409			(29		)	55,774			—			79,154
Cash and cash equivalents, beginning of year	47,274			(1,158		)	37,972			—			84,088
Cash and cash equivalents, end of year	$	70,683		$	(1,187	)	$	93,746		$	—		$	163,242