Supplemental Consolidating Financial Information (Tables)

12 Months Ended

Dec. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Schedule of Condensed Consolidating Statements of Income

Condensed Consolidating Statements of Operations and Comprehensive Income

Year Ended December 31,2015

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,573,260		$	—		$	—		$	2,573,260
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	22,378			2,186,804			—			(2,749		)	2,206,433
Depreciation, depletion and amortization	3,775			375,568			2			—			379,345
Amortization of acquired sales contracts, net	—			(8,811		)	—			—			(8,811		)
Change in fair value of coal derivatives and coal trading activities, net	—			(1,583		)	—			—			(1,583		)
Asset impairment and mine closure costs	15,437			2,612,866			—			—			2,628,303
Losses from disposed operations resulting from Patriot Coal bankruptcy	116,343			—			—			—			116,343
Selling, general and administrative expenses	69,384			25,737			5,725			(2,063		)	98,783
Other operating expense (income), net	5,869			13,021			(4,192		)	4,812			19,510
	233,186			5,203,602			1,535			—			5,438,323
Loss from investment in subsidiaries	(2,574,565		)	—			—			2,574,565			—
Loss from operations	(2,807,751		)	(2,630,342		)	(1,535		)	2,574,565			(2,865,063		)
Interest expense, net
Interest expense	(478,432		)	(26,284		)	(4,916		)	111,653			(397,979		)
Interest and investment income	27,510			82,881			5,692			(111,653		)	4,430
	(450,922		)	56,597			776			—			(393,549		)
Net loss resulting from early retirement of debt and debt restructuring	(27,910		)	—			—			—			(27,910		)
Loss from continuing operations before income taxes	(3,286,583		)	(2,573,745		)	(759		)	2,574,565			(3,286,522		)
Provision for (benefit from) income taxes	(373,441		)	—			61			—			(373,380		)
Net loss	(2,913,142		)	(2,573,745		)	(820		)	2,574,565			(2,913,142		)
Total comprehensive loss	$	(2,918,198	)	$	(2,579,601	)	$	(820	)	$	2,580,421		$	(2,918,198	)

Condensed Consolidating Statements of Operations and Comprehensive Income

Year Ended December 31,2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,937,119		$	—		$	—		$	2,937,119
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	3,016			2,566,572			—			(3,395		)	2,566,193
Depreciation, depletion and amortization	5,154			413,559			35			—			418,748
Amortization of acquired sales contracts, net	—			(13,187		)	—			—			(13,187		)
Change in fair value of coal derivatives and coal trading activities, net	—			(3,686		)	—			—			(3,686		)
Asset impairment and mine closure costs	3,642			20,471			—			—			24,113
Selling, general and administrative expenses	79,902			29,739			6,626			(2,044		)	114,223
Other operating income, net	(4,480		)	(15,726		)	(4,987		)	5,439			(19,754		)
	87,234			2,997,742			1,674			—			3,086,650
Loss from investment in subsidiaries	(13,085		)	—			—			13,085			—
Loss from operations	(100,319		)	(60,623		)	(1,674		)	13,085			(149,531		)
Interest expense, net
Interest expense	(463,823		)	(26,137		)	(4,259		)	103,273			(390,946		)
Interest and investment income	31,389			74,511			5,131			(103,273		)	7,758
	(432,434		)	48,374			872			—			(383,188		)
Loss from continuing operations before income taxes	(532,753		)	(12,249		)	(802		)	13,085			(532,719		)
Provision for (benefit from) income taxes	25,600			—			34			—			25,634
Net loss	(558,353		)	(12,249		)	(836		)	13,085			(558,353		)
Total comprehensive loss	$	(592,804	)	$	(34,439	)	$	(836	)	$	35,275		$	(592,804	)

Condensed Consolidating Statements of Operations and Comprehensive Income

Year Ended December 31, 2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	3,014,357		$	—		$	—		$	3,014,357
Costs, expenses and other													—
Cost of sales (exclusive of items shown separately below)	9,117			2,657,583			—			(3,564		)	2,663,136
Depreciation, depletion and amortization	5,949			420,458			35			—			426,442
Amortization of acquired sales contracts, net	—			(9,457		)	—			—			(9,457		)
Change in fair value of coal derivatives and coal trading activities, net	—			7,845			—			—			7,845
Asset impairment and mine closure costs	78,150			142,729			—			—			220,879
Goodwill impairment	—			265,423			—			—			265,423
Selling, general and administrative expenses	88,820			39,825			7,038			(2,235		)	133,448
Other operating income, net	4,209			(34,856		)	(5,370		)	5,799			(30,218		)
	186,245			3,489,550			1,703			—			3,677,498
Loss from investment in subsidiaries	(328,889		)	—			—			328,889			—
Income (loss) from operations	(515,134		)	(475,193		)	(1,703		)	328,889			(663,141		)
Interest expense, net
Interest expense	(449,614		)	(24,747		)	(4,214		)	97,308			(381,267		)
Interest and investment income	30,285			68,248			5,378			(97,308		)	6,603
	(419,329		)	43,501			1,164			—			(374,664		)
Other non-operating expense
Net loss resulting from early retirement of debt	(42,921		)	—			—			—			(42,921		)
Loss from continuing operations before income taxes	(977,384		)	(431,692		)	(539		)	328,889			(1,080,726		)
Provision for (benefit from) income taxes	(335,552		)	—			54			—			(335,498		)
Loss from continuing operations	(641,832		)	(431,692		)	(593		)	328,889			(745,228		)
Income from discontinued operations, net of tax	—			103,396			—			—			103,396
Net Loss	(641,832		)	(328,296		)	(593		)	328,889			(641,832		)
Total comprehensive income (loss)	$	(587,633	)	$	(304,278	)	$	(593	)	$	304,871		$	(587,633	)

Schedule of Condensed Consolidating Balance Sheets

Condensed Consolidating Balance Sheets

December 31, 2015

	Parent/Issuer			Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	337,646		$	100,428	$	12,707	$	—		$	450,781
Short term investments	200,192			—		—		—			200,192
Restricted cash	—			—		97,542		—			97,542
Receivables	12,463			3,153		124,581		(4,430		)	135,767
Inventories	—			196,720		—		—			196,720
Other	83,017			38,794		969		—			122,780
Total current assets	633,318			339,095		235,799		(4,430		)	1,203,782
Property, plant and equipment, net	7,747			3,610,869		—		413			3,619,029
Investment in subsidiaries	4,887,905			—		—		(4,887,905		)	—
Intercompany receivables	—			2,253,312		—		(2,253,312		)	—
Note receivable from Arch Western	675,000			—		—		(675,000		)	—
Other	39,302			243,806		819		—			283,927
Total assets	$	6,243,272		$	6,447,082	$	236,618	$	(7,820,234	)	$	5,106,738
Liabilities and Stockholders’ Equity (Deficit)
Accounts payable	$	8,495		$	119,633	$	3	$	—		$	128,131
Accrued expenses and other current liabilities	162,268			170,575		1,037		(4,430		)	329,450
Current maturities of debt	5,096,460			10,750		—		—			5,107,210
Total current liabilities	5,267,223			300,958		1,040		(4,430		)	5,564,791
Long-term debt	—			30,953		—		—			30,953
Intercompany payables	2,043,308			—		210,005		(2,253,313		)	—
Note payable to Arch Coal	—			675,000		—		(675,000		)	—
Asset retirement obligations	1,005			395,654		—		—			396,659
Accrued pension benefits	12,390			14,983		—		—			27,373
Accrued postretirement benefits other than pension	79,826			19,984		—		—			99,810
Accrued workers’ compensation	24,247			88,023		—		—			112,270
Deferred income taxes	—			—		—		—			—
Other noncurrent liabilities	59,976			58,847		348		—			119,171
Total liabilities	7,487,975			1,584,402		211,393		(2,932,743		)	6,351,027
Stockholders’ equity (deficit)	(1,244,703		)	4,862,680		25,225		(4,887,491		)	(1,244,289		)
Total liabilities and stockholders’ equity (deficit)	$	6,243,272		$	6,447,082	$	236,618	$	(7,820,234	)	$	5,106,738

Condensed Consolidating Balance Sheets

December 31, 2014

	Parent/Issuer		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	572,185	$	150,358	$	11,688	$	—		$	734,231
Short term investments	248,954		—		—		—			248,954
Restricted cash	—		—		5,678		—			5,678
Receivables	9,656		15,933		211,043		(4,615		)	232,017
Inventories	—		190,253		—		—			190,253
Other	89,211		41,455		952		—			131,618
Total current assets	920,006		397,999		229,361		(4,615		)	1,542,751
Property, plant and equipment, net	10,470		6,442,623		2		363			6,453,458
Investment in subsidiaries	7,464,221		—		—		(7,464,221		)	—
Intercompany receivables			2,021,110		—		(2,021,110		)	—
Note receivable from Arch Western	675,000		—		—		(675,000		)	—
Other	131,884		300,058		1,572		—			433,514
Total assets	$	9,201,581	$	9,161,790	$	230,935	$	(10,164,583	)	$	8,429,723
Liabilities and Stockholders’ Equity
Accounts payable	$	23,394	$	156,664	$	55	$	—		$	180,113
Accrued expenses and other current liabilities	85,899		220,017		1,095		(4,615		)	302,396
Current maturities of debt	27,625		9,260		—		—			36,885
Total current liabilities	136,918		385,941		1,150		(4,615		)	519,394
Long-term debt	5,084,839		38,646		—					5,123,485
Intercompany payables	1,817,755		—		203,355		(2,021,110		)	—
Note payable to Arch Coal	—		675,000		—		(675,000		)	—
Asset retirement obligations	981		397,915		—		—			398,896
Accrued pension benefits	5,967		10,293		—		—			16,260
Accrued postretirement benefits other than pension	4,430		28,238		—		—			32,668
Accrued workers’ compensation	9,172		85,119		—		—			94,291
Deferred income taxes	422,809		—		—		—			422,809
Other noncurrent liabilities	50,919		102,461		386		—			153,766
Total liabilities	7,533,790		1,723,613		204,891		(2,700,725		)	6,761,569
Stockholders’ equity	1,667,791		7,438,177		26,044		(7,463,858		)	1,668,154
Total liabilities and stockholders’ equity	$	9,201,581	$	9,161,790	$	230,935	$	(10,164,583	)	$	8,429,723

Schedule of Condensed Consolidating Statements of Cash Flows

Condensed Consolidating Statements of Cash Flows

Year Ended December 31, 2015

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations		Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(445,136	)	$	314,535		$	86,234		$	—	$	(44,367	)
Investing Activities
Capital expenditures	(1,108		)	(117,916		)	—			—		(119,024		)
Additions to prepaid royalties	—			(5,871		)	—			—		(5,871		)
Proceeds from disposals and divestitures	—			2,191			—			—		2,191
Purchases of short term investments	(246,735		)	—			—			—		(246,735		)
Proceeds from sales of short term investments	290,205			—			—			—		290,205
Proceeds from sales of equity investments and securities	—			2,259			—			—		2,259
Withdrawals (deposits) of restricted cash	—			—			(91,864		)	—		(91,864		)
Investments in and advances to affiliates	(913		)	(10,589		)	—			—		(11,502		)
Cash provided by (used in) investing activities	41,449			(129,926		)	(91,864		)	—		(180,341		)
Financing Activities
Payments on term loan	(19,500		)	—			—			—		(19,500		)
Net payments on other debt	(2,692		)	(8,640		)	—			—		(11,332		)
Expenses related to debt restructuring	(27,910		)	—			—			—		(27,910		)
Transactions with affiliates, net	219,250			(225,899		)	6,649			—		—
Cash provided by (used in) financing activities	169,148			(234,539		)	6,649			—		(58,742		)
Increase (decrease) in cash and cash equivalents	(234,539		)	(49,930		)	1,019			—		(283,450		)
Cash and cash equivalents, beginning of period	572,185			150,358			11,688			—		734,231
Cash and cash equivalents, end of period	$	337,646		$	100,428		$	12,707		$	—	$	450,781

Condensed Consolidating Statements of Cash Flows

Year Ended December 31, 2014

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations		Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(324,688	)	$	305,048		$	(13,942	)	$	—	$	(33,582	)
Investing Activities
Capital expenditures	(2,700		)	(144,586		)	—			—		(147,286		)
Additions to prepaid royalties	—			(7,317		)	—			—		(7,317		)
Proceeds from disposals and divestitures	57,625			4,733			—			—		62,358
Purchases of short term investments	(211,929		)	—			—			—		(211,929		)
Proceeds from sales of short term investments	205,611			—			—			—		205,611
Proceeds from sales of investments in equity securities	9,464			—			—			—		9,464
Withdrawals (deposits) of restricted cash	—			—			(5,678		)	—		(5,678		)
Investments in and advances to affiliates	(2,541		)	(14,116		)	—			—		(16,657		)
Cash provided by (used in) investing activities	55,530			(161,286		)	(5,678		)	—		(111,434		)
Financing Activities
Payments on term loan	(19,500		)	—			—			—		(19,500		)
Net payments on other debt	(1,258		)	(4,437		)	—			—		(5,695		)
Debt financing costs	(2,219		)	—			(2,300		)	—		(4,519		)
Dividends paid	(2,123		)	—			—			—		(2,123		)
Other	(15		)	—			—			—		(15		)
Transactions with affiliates, net	67,125			(89,385		)	22,260			—		—
Cash provided by (used in) financing activities	42,010			(93,822		)	19,960			—		(31,852		)
Increase (decrease) in cash and cash equivalents	(227,148		)	49,940			340			—		(176,868		)
Cash and cash equivalents, beginning of period	799,333			100,418			11,348			—		911,099
Cash and cash equivalents, end of period	$	572,185		$	150,358		$	11,688		$	—	$	734,231

Condensed Consolidating Statements of Cash Flows

Year Ended December 31, 2013

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(632,060	)	$	637,193		$	50,609		$	—		$	55,742
Investing Activities
Capital expenditures	(3,320		)	(293,664		)	—			—			(296,984		)
Proceeds from disposals and divestitures	—			433,453			—			—			433,453
Proceeds from sales-leaseback transaction	—			34,919			—			—			34,919
Investments in and advances to affiliates	(5,451		)	(10,321		)	—			512			(15,260		)
Purchases of short term investments	(213,726		)	—			—			—			(213,726		)
Proceeds from sales of short term investments	194,537			—			—			—			194,537
Additions to prepaid royalties	—			(14,947		)	—			—			(14,947		)
Change in restricted cash	3,453			—			—			—			3,453
Cash provided by (used in) investing activities	(24,507		)	149,440			—			512			125,445
Financing Activities
Contributions from parent	—			512			—			(512		)	—
Proceeds from term loan and senior notes	644,000			—			—			—			644,000
Payments to retire debt	(628,660		)	—			—			—			(628,660		)
Payments on term loan	(17,250		)	—			—			—			(17,250		)
Net payments on other debt	(6,324		)	(512		)	—			—			(6,836		)
Debt financing costs	(19,864		)	—			(625		)	—			(20,489		)
Dividends paid	(25,475		)	—			—			—			(25,475		)
Transactions with affiliates, net	838,160			(786,683		)	(51,477		)	—			—
Cash provided by (used in) financing activities	784,587			(786,683		)	(52,102		)	(512		)	(54,710		)
Increase in cash and cash equivalents	128,020			(50		)	(1,493		)	—			126,477
Cash and cash equivalents, beginning of period	671,313			100,468			12,841			—			784,622
Cash and cash equivalents, end of period	$	799,333		$	100,418		$	11,348		$	—		$	911,099