10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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, 2014

oTransition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from                      to                      .

Commission file number: 1-13105

Arch Coal, Inc.

(Exact name of registrant as specified in its charter)

Delaware	43-0921172
(State or other jurisdiction	(I.R.S. Employer
of incorporation or organization)	Identification Number)

One CityPlace Drive, Suite 300, St. Louis, Missouri	63141
(Address of principal executive offices)	(Zip code)

Registrant’s telephone number, including area code: (314) 994-2700

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 x  No o

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 during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes x  No o

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 the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes o  No x

At October 31, 2014 there were 212,274,112 shares of the registrant’s common stock outstanding.

TABLE OF CONTENTS

	Page
Part I FINANCIAL INFORMATION	3
Item 1. Financial Statements	3
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	29
Item 3. Quantitative and Qualitative Disclosures About Market Risk	38
Item 4. Controls and Procedures	39
Part II OTHER INFORMATION	39
Item 1. Legal Proceedings	39
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 4. Mine Safety Disclosures	43
Item 6. Exhibits	44

2

Part I

FINANCIAL INFORMATION

Item 1.    Financial Statements.

Arch Coal, Inc. and Subsidiaries

Condensed Consolidated Statements of Operations

(in thousands, except per share data)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(Unaudited)
Revenues	$	742,180		$	791,269		$	2,191,927		$	2,294,971
Costs, expenses and other operating
Cost of sales (exclusive of items shown separately below)	647,096			688,712			1,955,547			1,994,653
Depreciation, depletion and amortization	105,155			106,323			312,042			327,601
Amortization of acquired sales contracts, net	(3,013		)	(2,568		)	(9,948		)	(7,587		)
Change in fair value of coal derivatives and coal trading activities, net	(3,733		)	9,753			(5,811		)	2,053
Asset impairment and mine closure costs	5,060			200,397			6,572			220,879
Selling, general and administrative expenses	28,136			28,800			87,203			96,311
Other operating income, net	(1,221		)	(5,395		)	(9,451		)	(16,476		)
	777,480			1,026,022			2,336,154			2,617,434
Loss from operations	(35,300		)	(234,753		)	(144,227		)	(322,463		)
Interest expense, net
Interest expense	(98,217		)	(95,624		)	(292,648		)	(285,454		)
Interest and investment income	1,949			697			5,828			4,749
	(96,268		)	(94,927		)	(286,820		)	(280,705		)
Loss from continuing operations before income taxes	(131,568		)	(329,680		)	(431,047		)	(603,168		)
Benefit from income taxes	(34,350		)	(121,913		)	(112,830		)	(230,734		)
Loss from continuing operations	(97,218		)	(207,767		)	(318,217		)	(372,434		)
Income from discontinued operations, net of tax	—			79,404			—			101,816
Net loss	$	(97,218	)	$	(128,363	)	$	(318,217	)	$	(270,618	)
Losses per common share
Basic and diluted LPS - Loss from continuing operations	$	(0.46	)	$	(0.98	)	$	(1.50	)	$	(1.76	)
Basic and diluted LPS - Net loss	$	(0.46	)	$	(0.61	)	$	(1.50	)	$	(1.28	)
Basic and diluted weighted average shares outstanding	212,238			212,111			212,212			212,085
Dividends declared per common share	$	—		$	0.03		$	0.01		$	0.09

The accompanying notes are an integral part of the condensed consolidated financial statements.

3

Arch Coal, Inc. and Subsidiaries

Condensed Consolidated Statements of Comprehensive Income (Loss)

(in thousands)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(Unaudited)
Net loss	$	(97,218	)	$	(128,363	)	$	(318,217	)	$	(270,618	)
Derivative instruments
Comprehensive income (loss) before tax	520			1,346			1,298			(224		)
Income tax benefit (provision)	(187		)	(486		)	(467		)	82
	333			860			831			(142		)
Pension, postretirement and other post-employment benefits
Comprehensive income (loss) before tax	(1,210		)	1,277			(5,326		)	4,981
Income tax benefit (provision)	435			(458		)	1,917			(1,791		)
	(775		)	819			(3,409		)	3,190
Available-for-sale securities
Comprehensive income (loss) before tax	(2,401		)	1,136			(5,637		)	7,648
Income tax benefit (provision)	864			(448		)	2,029			(2,795		)
	(1,537		)	688			(3,608		)	4,853
Total other comprehensive income (loss)	(1,979		)	2,367			(6,186		)	7,901
Total comprehensive loss	$	(99,197	)	$	(125,996	)	$	(324,403	)	$	(262,717	)

The accompanying notes are an integral part of the condensed consolidated financial statements.

4

Arch Coal, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(in thousands, except per share data)

	September 30,			December 31,
	2014			2013
	(Unaudited)
Assets
Current assets
Cash and cash equivalents	$	795,934		$	911,099
Short term investments	249,067			248,414
Trade accounts receivable	213,369			198,020
Other receivables	32,769			31,553
Inventories	209,659			264,161
Prepaid royalties	11,021			8,083
Deferred income taxes	48,786			49,144
Coal derivative assets	15,642			14,851
Other current assets	49,470			56,746
Total current assets	1,625,717			1,782,071
Property, plant and equipment, net	6,532,118			6,734,286
Other assets
Prepaid royalties	82,598			87,577
Equity investments	232,077			221,456
Other noncurrent assets	146,272			164,803
Total other assets	460,947			473,836
Total assets	$	8,618,782		$	8,990,193
Liabilities and Stockholders’ Equity
Current liabilities
Accounts payable	$	173,835		$	176,142
Accrued expenses and other current liabilities	342,709			278,587
Current maturities of debt	29,977			33,493
Total current liabilities	546,521			488,222
Long-term debt	5,126,186			5,118,002
Asset retirement obligations	400,935			402,713
Accrued pension benefits	15,294			7,111
Accrued postretirement benefits other than pension	39,127			39,255
Accrued workers’ compensation	78,520			78,062
Deferred income taxes	296,639			413,546
Other noncurrent liabilities	181,163			190,033
Total liabilities	6,684,385			6,736,944
Stockholders’ equity
Common stock, $0.01 par value, authorized 260,000 shares, issued 213,791 shares and 213,792 shares at September 30, 2014 and December 31, 2013, respectively	2,141			2,141
Paid-in capital	3,046,302			3,038,613
Treasury stock, at cost, 1,517 shares and 1,512 shares at September 30, 2014 and December 31, 2013, respectively	(53,863		)	(53,848		)
Accumulated deficit	(1,091,689		)	(771,349		)
Accumulated other comprehensive income	31,506			37,692
Total stockholders’ equity	1,934,397			2,253,249
Total liabilities and stockholders’ equity	$	8,618,782		$	8,990,193

The accompanying notes are an integral part of the condensed consolidated financial statements.

5

Arch Coal, Inc. and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(in thousands)

	Nine Months Ended September 30,
	2014			2013
	(Unaudited)
Operating activities
Net loss	$	(318,217	)	$	(270,618	)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation, depletion and amortization	312,042			348,863
Amortization of acquired sales contracts, net	(9,948		)	(7,587		)
Amortization relating to financing activities	12,349			18,525
Prepaid royalties expensed	5,645			11,973
Employee stock-based compensation expense	7,689			8,909
Asset impairment costs	1,512			220,879
Amortization of premiums on debt securities held	—			3,679
Gains on disposals and divestitures, net	(21,965		)	(120,702		)
Deferred income taxes	(112,998		)	(184,418		)
Changes in:
Receivables	(6,779		)	72,436
Inventories	22,589			21,387
Accounts payable, accrued expenses and other current liabilities	73,324			19,287
Income taxes, net	(514		)	787
Other	37,261			43,192
Cash provided by operating activities	1,990			186,592
Investing activities
Capital expenditures	(118,701		)	(223,168		)
Minimum royalty payments	(3,604		)	(10,901		)
Proceeds from sale-leaseback transactions	—			34,919
Proceeds from disposals and divestitures	50,971			431,462
Purchases of marketable securities	(181,546		)	(85,418		)
Proceeds from sale or maturity of marketable securities and other investments	178,293			67,255
Investments in and advances to affiliates	(13,393		)	(11,124		)
Change in restricted cash	—			3,453
Cash provided by (used in) investing activities	(87,980		)	206,478
Financing activities
Payments on term loan	(14,625		)	(12,375		)
Net payments on other debt	(10,187		)	(13,084		)
Dividends paid	(2,123		)	(19,105		)
Debt financing costs	(2,219		)	—
Other	(21		)	—
Cash used in financing activities	(29,175		)	(44,564		)
Increase (decrease) in cash and cash equivalents	(115,165		)	348,506
Cash and cash equivalents, beginning of period	911,099			784,622
Cash and cash equivalents, end of period	$	795,934		$	1,133,128

The accompanying notes are an integral part of the condensed consolidated financial statements.

6

Arch Coal, Inc. and Subsidiaries

Notes to Condensed Consolidated Financial Statements

(unaudited)

1.  Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of Arch Coal, Inc. and its subsidiaries (the “Company”). The Company’s primary business is the production of thermal and metallurgical coal from surface and underground mines located throughout the United States, for sale to utility, industrial and steel producers both in the United States and around the world. The Company currently operates mining complexes in West Virginia, Illinois, Wyoming and Colorado.  All subsidiaries are wholly-owned. Intercompany transactions and accounts have been eliminated in consolidation.

The Company completed the sale of Canyon Fuel Company, LLC (“Canyon Fuel”) on August 16, 2013.  The results of Canyon Fuel have been segregated from continuing operations and are reflected, net of tax, as discontinued operations in the condensed consolidated statements of operations for the three and nine months ended September 30, 2013.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial reporting and U.S. Securities and Exchange Commission regulations. In the opinion of management, all adjustments, consisting of normal, recurring accruals considered necessary for a fair presentation, have been included. Results of operations for the three and nine months ended September 30, 2014 are not necessarily indicative of results to be expected for the year ending December 31, 2014. These financial statements should be read in conjunction with the audited financial statements and related notes as of and for the year ended December 31, 2013 included in the Company’s Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission.

2.  Accounting Policies

In May 2014, the FASB issued comprehensive authoritative guidance for the recognition and presentation of revenue from contracts with customers. The revenue recognition model is based on changes in contract assets (right to receive consideration) and liabilities (obligations to provide a good or perform a service).  The guidance also requires comprehensive quantitative and qualitative disclosures intended to enable financial statement users to understand the nature, timing and uncertainty of revenue and the related cash flows. This guidance will be effective for the Company in the first quarter of 2017, with early adoption not permitted. The Company is currently assessing the impact the guidance will have upon adoption, but expects no significant changes to its existing revenue recognition policies.

3.  Accumulated Other Comprehensive Income

The following items are included in accumulated other comprehensive income (“AOCI”):

				Pension,
				Postretirement
				and Other						Accumulated
				Post-						Other
	Derivative			Employment			Available-for-			Comprehensive
	Instruments			Benefits			Sale Securities			Income
	(In thousands)
Balance at December 31, 2013	$	565		$	31,112		$	6,015		$	37,692
Unrealized gains (losses)	1,692			—			(4,775		)	(3,083		)
Amounts reclassified from AOCI	(861		)	(3,409		)	1,167			(3,103		)
Balance at September 30, 2014	$	1,396		$	27,703		$	2,407		$	31,506

7

The following amounts were reclassified out of AOCI:

	Amounts Reclassified from AOCI
Details About AOCI	Three Months Ended September 30,						Nine Months Ended September 30,						Line Item in the Condensed Consolidated
Components	2014			2013			2014			2013			Statement of Operations
	(In thousands)
Derivative instruments	$	892		$	692		$	1,346		$	2,093		Revenues
	(321		)	(249		)	(485		)	(754		)	Benefit from income taxes
	$	571		$	443		$	861		$	1,339		Net of tax
Pension, postretirement and other post-employment benefits
Amortization of prior service credits (1)	$	1,759		$	5,573		$	6,976		$	11,154
Amortization of actuarial gains	(550		)	(3,823		)	(1,650		)	(13,108		)
	1,209			1,750			5,326			(1,954		)
	(435		)	(631		)	(1,917		)	702			Benefit from income taxes
	$	774		$	1,119		$	3,409		$	(1,252	)	Net of tax
Available-for-sale securities (2)	$	(145	)	$	(4	)	$	(1,824	)	$	(313	)	Interest and investment income
	53			2			657			113			Benefit from income taxes
	$	(92	)	$	(2	)	$	(1,167	)	$	(200	)	Net of tax

1 Production-related benefits and workers’ compensation costs are included in inventoriable production costs.

2 The gains and losses on sales of available-for-sale-securities are determined on a specific identification basis.

8

4.  Divestitures

During the first quarter of 2014, the Company entered into agreements to sell an operating thermal coal complex and an idled thermal coal mine in Kentucky and the Company’s ADDCAR subsidiary, which manufactures a patented highwall mining system.  The sales closed during the first quarter of 2014 for total consideration of $45.3 million.  The Company has received $35.7 million in cash, and the remaining $11.0 million is payable on December 31, 2014.  The Company recognized a net pre-tax gain of $14.3 million from these divestitures, reflected in “other operating income, net” in the condensed consolidated statement of operations.  The following table summarizes the assets and liabilities of these divested operations reflected in the December 31, 2013 consolidated balance sheet (in thousands):

Inventories	$	33,283
Other current assets	1,032
Net property, plant & equipment	104,587
Other noncurrent assets	139
Accounts payable and accrued expenses	13,005
Other noncurrent liabilities	24,276

The following table summarizes the results of Canyon Fuel, reflected as discontinued operations in the condensed consolidated statement of operations through the date of disposition:

	Three Months Ended September 30, 2013		Nine Months Ended September 30, 2013
	(in thousands)
Total revenues	$	45,763	$	219,002
Income from discontinued operations before income taxes	$	3,429	$	32,166
Gain on disposition	115,679		115,679
Less: income tax expense	39,704		46,029
Income from discontinued operations	$	79,404	$	101,816
Basic and diluted earnings per common share from discontinued operations	$	0.37	$	0.48

5.  Impairment Charges

In the face of weak coal markets, the Company idled a higher-cost mining complex in the third quarter of 2014 in order to concentrate on metallurgical coal production from its lowest-cost and highest-margin operations.  Closure charges of $5.1 million were recognized during the three months ended September 30, 2014 relating to the idling.

As a result of the weak thermal coal markets in Appalachia, the Company assessed in the third quarter of 2013 whether the carrying values of certain assets were recoverable through future cash flows.  The Company determined that the carrying amounts of certain assets associated with the Hazard mining complex in Kentucky and the Company’s ADDCAR subsidiary, which manufactures and sells its patented highwall mining system, could not be recovered through future cash flows expected to be generated from use of the assets and their ultimate disposal.  An impairment loss of $142.8 million was recognized to write the carrying value of the assets to their fair value of $71.3 million.

During the second quarter of 2013, Tenaska Trailblazer Partners, LLC announced that it was discontinuing its development plans for the Trailblazer Energy Center in Texas. As a result, the Company recorded a $20.5 million impairment charge, which consisted of its 35% equity investment of $15.3 million and a $5.2 million receivable balance related to reimbursements for development work.

9

The Company recorded an impairment charge of $57.7 million in the third quarter of 2013 related to its investment in DKRW Advanced Fuels, LLC (“DKRW”), a company engaged in developing coal-to-liquids facilities.  DKRW had previously entered into an Engineering, Procurement and Construction Agreement with a Chinese company to construct and commission the Medicine Bow coal-to-liquids facility.  The project did not progress to the next stage of development, and the impairment charge included the Company’s 24% equity investment of $13.7 million and a $44.0 million loan receivable balance.

The impairment and closure charges are included on the line “Asset impairment and mine closure costs” in the condensed consolidated statement of operations.

6.  Inventories

Inventories consist of the following:

	September 30,		December 31,
	2014		2013
	(In thousands)
Coal	$	83,708	$	117,531
Repair parts and supplies	125,951		137,497
Work-in-process	—		9,133
	$	209,659	$	264,161

The repair parts and supplies are stated net of an allowance for slow-moving and obsolete inventories of $8.7 million at September 30, 2014 and $8.4 million at December 31, 2013.

7.   Investments in Available-for-Sale Securities

The Company has invested in marketable debt securities, primarily highly liquid AA-rated corporate bonds and U.S. government and government agency securities.  These investments are held in the custody of a major financial institution.  These securities, along with the Company’s investments in marketable equity securities, are classified as available-for-sale securities and, accordingly, the unrealized gains and losses are recorded through other comprehensive income.

The Company’s investments in available-for-sale marketable securities are as follows:

	September 30, 2014
										Balance Sheet
			Accumulated							Classification
			Gross Unrealized					Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	—	$	—	$	—		$	—	$	—	$	—
Corporate notes and bonds	$	252,813	$	1	$	(3,747	)	$	249,067	$	249,067	$	—
Equity securities	5,420		10,257		(2,759		)	12,918		—		12,918
Total Investments	$	258,233	$	10,258	$	(6,506	)	$	261,985	$	249,067	$	12,918

10

	December 31, 2013
										Balance Sheet
			Gross		Gross					Classification
			Unrealized		Unrealized			Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	65,002	$	11	$	(75	)	$	64,938	$	64,938	$	—
Corporate notes and bonds	184,773		7		(1,304		)	183,476		183,476		—
Equity securities	5,271		13,660		(2,902		)	16,029		—		16,029
Total Investments	$	255,046	$	13,678	$	(4,281	)	$	264,443	$	248,414	$	16,029

The aggregate fair value of investments with unrealized losses that were owned for less than a year was $230.3 million and $164.3 million at September 30, 2014 and December 31, 2013, respectively. The aggregate fair value of investments with unrealized losses that were owned for over a year, and were also in a continuous unrealized loss position during that time, was $17.1 million and $48.7 million at September 30, 2014 and December 31, 2013, respectively.

The debt securities outstanding at September 30, 2014 have maturity dates ranging from the fourth quarter of 2014 through the fourth quarter of 2015.  The Company classifies its investments as current based on the nature of the investments and their availability to provide cash for use in current operations.

8.   Derivatives

Diesel fuel price risk management

The Company is exposed to price risk with respect to diesel fuel purchased for use in its operations. The Company anticipates purchasing approximately 57 to 67 million gallons of diesel fuel for use in its operations during 2014 and 2015. To protect the Company’s cash flows from increases in the price of diesel fuel for its operations, the Company uses forward physical diesel purchase contracts and purchased heating oil call options. At September 30, 2014, the Company had protected the price of approximately 87% of its expected purchases for the remainder of 2014 and 83% of its expected 2015 purchases.  At September 30, 2014, the Company had purchased heating oil call options for approximately 69 million gallons for the purpose of managing the price risk associated with future diesel purchases.

The Company has also purchased heating oil call options to manage the price risk associated with fuel surcharges on its barge and rail shipments, which cover increases in diesel fuel prices for the respective carriers. At September 30, 2014, the Company held heating oil call options for 1.3 million gallons that will settle in the fourth quarter of 2014 for the purpose of managing the fluctuations in cash flows associated with fuel surcharges on future shipments.

These positions reduce the Company’s risk of cash flow fluctuations related to these surcharges but the positions are not accounted for as hedges.

Coal price risk management positions

The Company may sell or purchase forward contracts, swaps and options in the over-the-counter coal market in order to manage its exposure to coal prices. The Company has exposure to the risk of fluctuating coal prices related to forecasted sales or purchases of coal or to the risk of changes in the fair value of a fixed price physical sales contract. Certain derivative contracts may be designated as hedges of these risks.

At September 30, 2014, the Company held derivatives for risk management purposes that are expected to settle in the following years:

11

(Tons in thousands)	2014	2015	2016	Total
Coal sales	1,156	2,340	160	3,656
Coal purchases	751	825	—	1,576

The Company has also entered into a nominal quantity of natural gas put options to protect the Company from decreases in natural gas prices, which could impact coal demand.  These options are not accounted for as hedges.

Coal trading positions

The Company may sell or purchase forward contracts, swaps and options in the over-the-counter coal market for trading purposes. The Company is exposed to the risk of changes in coal prices on the value of its coal trading portfolio. The estimated future realization of the value of the trading portfolio is $4.7 million of gains during the remainder of 2014 and $4.2 million of gains in 2015.

Tabular derivatives disclosures

The Company has master netting agreements with all of its counterparties which allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. Such netting arrangements reduce the Company’s credit exposure related to these counterparties. For classification purposes, the Company records the net fair value of all the positions with a given counterparty as a net asset or liability in the condensed consolidated balance sheets. The amounts shown in the table below represent the fair value position of individual contracts, and not the net position presented in the accompanying condensed consolidated balance sheets. The fair value and location of derivatives reflected in the accompanying condensed consolidated balance sheets are as follows:

	September 30, 2014								December 31, 2013
Fair Value of Derivatives	Asset			Liability					Asset			Liability
(In thousands)	Derivative			Derivative					Derivative			Derivative
Derivatives Designated as Hedging Instruments
Coal	$	1,680		$	—				$	909		$	(26	)
Derivatives Not Designated as Hedging Instruments
Heating oil — diesel purchases	1,440			—					4,681			—
Heating oil — fuel surcharges	1			—					422			—
Coal — held for trading purposes	75,061			(66,137		)			55,327			(45,763		)
Coal — risk management	7,707			(2,861		)			6,342			(1,950		)
Natural gas	225			(90		)			—			—
Total	84,434			(69,088		)			66,772			(47,713		)
Total derivatives	86,114			(69,088		)			67,681			(47,739		)
Effect of counterparty netting	(69,032		)	69,032					(47,727		)	47,727
Net derivatives as classified in the balance sheets	$	17,082		$	(56	)	$	17,026	$	19,954		$	(12	)	$	19,942

12

		September 30, 2014			December 31, 2013
Net derivatives as reflected on the balance sheets
Heating oil	Other current assets	$	1,440		$	5,103
Coal	Coal derivative assets	15,642			14,851
	Accrued expenses and other current liabilities	(56		)	(12		)
		$	17,026		$	19,942

The Company had a current liability for the obligation to post cash collateral of $3.8 million at September 30, 2014 and a current asset for the right to reclaim cash collateral of $2.2 million at December 31, 2013. These amounts are not included with the derivatives presented in the table above and are included in “accrued expenses and other current liabilities” and “other current assets”, respectively, in the accompanying condensed consolidated balance sheets.

The effects of derivatives on measures of financial performance are as follows:

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	3,449		$	3,132		$	1,639		$	911
Coal purchases	(2)	(2,041		)	(942		)	(747		)	123
Totals		$	1,408		$	2,190		$	892		$	1,034

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the three month periods ended September 30, 2014 and 2013.

Derivatives Not Designated as Hedging Instruments (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	1,610		$	(10,668	)
Coal — realized	(4)	$	502		$	9,929
Natural gas — unrealized	(3)	$	238		$	—
Heating oil — diesel purchases	(4)	$	(3,746	)	$	(288	)
Heating oil — fuel surcharges	(4)	$	(104	)	$	(222	)

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

13

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	4,806		$	2,308		$	2,568		$	2,822
Coal purchases	(2)	(2,162		)	(511		)	(1,222		)	(633		)
Totals		$	2,644		$	1,797		$	1,346		$	2,189

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the nine month periods ended September 30, 2014 and 2013.

Derivatives Not Designated as Hedging Instruments (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	455		$	(5,089	)
Coal — realized	(4)	$	4,699		$	25,725
Natural gas — unrealized	(3)	$	(21	)	$	—
Heating oil — diesel purchases	(4)	$	(6,709	)	$	(9,760	)
Heating oil — fuel surcharges	(4)	$	(405	)	$	(817	)

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

Based on fair values at September 30, 2014, gains on derivative contracts designated as hedge instruments in cash flow hedges of approximately $2.0 million are expected to be reclassified from other comprehensive income into earnings during the next twelve months.

Related to its trading portfolio, the Company recognized net unrealized and realized gains of $1.9 million and $0.9 million during the three months ended September 30, 2014 and 2013, respectively; and net unrealized and realized gains of $5.4 million and $3.0 million during the nine months ended September 30, 2014 and 2013, respectively.  Gains and losses from trading activities are included in the caption “Change in fair value of coal derivatives and coal trading activities, net” in the accompanying condensed consolidated statements of operations, and are not included in the previous tables reflecting the effects of derivatives on measures of financial performance.

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9.   Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:

	September 30,		December 31,
	2014		2013
	(In thousands)
Payroll and employee benefits	$	72,116	$	67,621
Taxes other than income taxes	114,183		114,664
Interest	77,564		18,528
Acquired sales contracts	12,690		14,373
Workers’ compensation	16,085		12,434
Asset retirement obligations	22,681		24,940
Other	27,390		26,027
	$	342,709	$	278,587

10.  Debt and Financing Arrangements

	September 30,		December 31,
	2014		2013
	(In thousands)
Term loan due 2018 ($1.91 billion and $1.93 billion face value, respectively)	$	1,894,794	$	1,906,975
7.00% senior notes due 2019 at par	1,000,000		1,000,000
9.875% senior notes due 2019 ($375.0 million face value)	363,173		362,358
8.00% senior secured notes due 2019 at par	350,000		350,000
7.25% senior notes due 2020 at par	500,000		500,000
7.25% senior notes due 2021 at par	1,000,000		1,000,000
Other	48,196		32,162
	5,156,163		5,151,495
Less current maturities of debt	29,977		33,493
Long-term debt	$	5,126,186	$	5,118,002

At September 30, 2014, the available borrowing capacity under the Company’s lines of credit was approximately $260.8 million.

11.    Income taxes

During the first quarter of 2014, the Company determined it was more likely than not that a portion of the federal and state net operating losses it expects to generate in 2014 will not be realized based on projections of future taxable income.  Accordingly, the estimated annual effective rate for the year ended December 31, 2014 includes a valuation allowance for that portion.  In applying the estimated annual effective rate to earnings, the Company increased its valuation allowance by $15.8 million for the three months ended September 30, 2014 and $57.9 million for the nine months ended September 30, 2014 relating to federal and state net operating losses.

12.  Fair Value Measurements

The hierarchy of fair value measurements assigns a level to fair value measurements based on the inputs used in the respective valuation techniques. The levels of the hierarchy, as defined below, give the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs.

15

·Level 1 is defined as observable inputs such as quoted prices in active markets for identical assets. Level 1 assets include available-for-sale equity securities, U.S. Treasury securities, and coal futures that are submitted for clearing on the New York Mercantile Exchange.

·Level 2 is defined as observable inputs other than Level 1 prices. These include quoted prices for similar assets or liabilities in an active market, quoted prices for identical assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. The Company’s level 2 assets and liabilities include U.S. government agency securities and commodity contracts (coal and heating oil) with fair values derived from quoted prices in over-the-counter markets or from prices received from direct broker quotes.

·Level 3 is defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. These include the Company’s commodity option contracts (coal, natural gas and heating oil) valued using modeling techniques, such as Black-Scholes, that require the use of inputs, particularly volatility, that are rarely observable. Changes in the unobservable inputs would not have a significant impact on the reported Level 3 fair values at September 30, 2014.

The table below sets forth, by level, the Company’s financial assets and liabilities that are recorded at fair value in the accompanying condensed consolidated balance sheet:

	September 30, 2014
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Investments in marketable securities	$	261,985	$	12,918	$	249,067	$	—
Derivatives	17,082		12,144		392		4,546
Total assets	$	297,067	$	25,062	$	249,459	$	4,546
Liabilities:
Derivatives	$	56	$	—	$	49	$	7

The Company’s contracts with its counterparties allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. For classification purposes, the Company records the net fair value of all the positions with these counterparties as a net asset or liability. Each level in the table above displays the underlying contracts according to their classification in the accompanying condensed consolidated balance sheet, based on this counterparty netting.

The following table summarizes the change in the fair values of financial instruments categorized as level 3.

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
	(In thousands)
Balance, beginning of period	$	6,037		$	4,946
Realized and unrealized losses recognized in earnings, net	(2,131		)	(4,851		)
Purchases	1,080			4,891
Issuances	(447		)	(447		)
Ending balance	$	4,539		$	4,539

Net unrealized losses of $1.8 million and losses of $1.7 million were recognized during the three and nine months ended September 30, 2014, respectively, related to level 3 financial instruments held on September 30, 2014.

16

Fair Value of Long-Term Debt

At September 30, 2014 and December 31, 2013, the fair value of the Company’s debt, including amounts classified as current, was $3.6 billion and $4.6 billion, respectively. Fair values are based upon observed prices in an active market, when available, or from valuation models using market information, which fall into Level 2 in the fair value hierarchy.

13.   Loss Per Common Share

The effect of options, restricted stock and restricted stock units equaling 8.3 million shares and 7.4 million shares of common stock were excluded from the calculation of diluted weighted average shares outstanding for the three and nine months ended September 30, 2014 and 7.0 million and 7.9 million shares for the three and nine months ended September 30, 2013, respectively, because the exercise price or grant price of the securities exceeded the average market price of the Company’s common stock for these periods. The weighted average share impacts of options, restricted stock and restricted stock units that were excluded from the calculation of weighted average shares due to the Company’s incurring a net loss for the three and nine months ended September 30, 2014 were 1.6 million and 2.0 million, respectively.  The weighted average share impacts of options, restricted stock and restricted stock units that were excluded from the calculation of weighted average shares due to the Company’s incurring a net loss for the three and nine months ended September 30, 2013 were not significant.

14.  Employee Benefit Plans

The following table details the components of pension benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	4,910		$	6,672		$	16,311		$	21,162
Interest cost	4,278			3,994			12,834			11,796
Expected return on plan assets	(5,929		)	(5,848		)	(17,786		)	(17,690		)
Curtailments	1,504			47			1,504			47
Amortization of prior service costs (credits)	(51		)	(51		)	(158		)	(152		)
Amortization of other actuarial losses	741			3,617			2,221			12,430
Net benefit cost	$	5,453		$	8,431		$	14,926		$	27,593

The following table details the components of other postretirement benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	383		$	497		$	1,267		$	1,591
Interest cost	460			427			1,381			1,273
Curtailments	—			(5,444		)	—			(5,444		)
Amortization of prior service credits	(2,500		)	(2,641		)	(7,502		)	(8,121		)
Amortization of other actuarial losses (gains)	(191		)	(55		)	(571		)	(53		)
Net benefit credit	$	(1,848	)	$	(7,216	)	$	(5,425	)	$	(10,754	)

15.   Commitments and Contingencies

The Company accrues for costs related to contingencies when a loss is probable and the amount is reasonably determinable. Disclosure of contingencies is included in the financial statements when it is at least reasonably possible that a material loss or an additional material loss in excess of amounts already accrued may be incurred.

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Allegheny Energy Supply (“Allegheny”), the sole customer of coal produced at the Company’s subsidiary Wolf Run Mining Company’s (“Wolf Run”) Sycamore No. 2 mine, filed a lawsuit against Wolf Run, Hunter Ridge Holdings, Inc. (“Hunter Ridge”), and ICG in state court in Allegheny County, Pennsylvania on December 28, 2006, and amended its complaint on April 23, 2007. Allegheny claimed that Wolf Run breached a coal supply contract when it declared force majeure under the contract upon idling the Sycamore No. 2 mine in the third quarter of 2006, and that Wolf Run continued to breach the contract by failing to ship in volumes referenced in the contract.  The Sycamore No. 2 mine was idled after encountering adverse geologic conditions and abandoned gas wells that were previously unidentified and unmapped.

After extensive searching for gas wells and rehabilitation of the mine, it was re-opened in 2007, but with notice to Allegheny that it would necessarily operate at reduced volumes in order to safely and effectively avoid the many gas wells within the reserve.  The amended complaint also alleged that the production stoppages constitute a breach of the guarantee agreement by Hunter Ridge and breach of certain representations made upon entering into the contract in early 2005. Allegheny voluntarily dropped the breach of representation claims later.  Allegheny claimed that it would incur costs in excess of $100 million to purchase replacement coal over the life of the contract.  ICG, Wolf Run and Hunter Ridge answered the amended complaint on August 13, 2007, disputing all of the remaining claims.

On November 3, 2008, ICG, Wolf Run and Hunter Ridge filed an amended answer and counterclaim against the plaintiffs seeking to void the coal supply agreement due to, among other things, fraudulent inducement and conspiracy.  On September 23, 2009, Allegheny filed a second amended complaint alleging several alternative theories of liability in its effort to extend contractual liability to ICG, which was not a party to the original contract and did not exist at the time Wolf Run and Allegheny entered into the contract.  No new substantive claims were asserted.  ICG answered the second amended complaint on October 13, 2009, denying all of the new claims.  The Company’s counterclaim was dismissed on motion for summary judgment entered on May 11, 2010.  Allegheny’s claims against ICG were also dismissed by summary judgment, but the claims against Wolf Run and Hunter Ridge were not.  The court conducted a non-jury trial of this matter beginning on January 10, 2011 and concluding on February 1, 2011.

At the trial, Allegheny presented its evidence for breach of contract and claimed that it is entitled to past and future damages in the aggregate of between $228 million and $377 million.  Wolf Run and Hunter Ridge presented their defense of the claims, including evidence with respect to the existence of force majeure conditions and excuse under the contract and applicable law.  Wolf Run and Hunter Ridge presented evidence that Allegheny’s damages calculations were significantly inflated because it did not seek to determine damages as of the time of the breach and in some instances artificially assumed future nondelivery or did not take into account the apparent requirement to supply coal in the future.  On May 2, 2011, the trial court entered a Memorandum and Verdict determining that Wolf Run had breached the coal supply contract and that the performance shortfall was not excused by force majeure.  The trial court awarded total damages and interest in the amount of $104.1 million, which consisted of $13.8 million for past damages, and $90.3 million for future damages.  ICG and Allegheny filed post-verdict motions in the trial court and on August 23, 2011, the court denied the parties’ motions.  The court entered a final judgment on August 25, 2011, in the amount of $104.1 million, which included pre-judgment interest.

The parties appealed the lower court’s decision to the Superior Court of Pennsylvania.  On August 13, 2012, the Superior Court of Pennsylvania affirmed the award of past damages, but ruled that the lower court should have calculated future damages as of the date of breach, and remanded the matter back to the lower court with instructions to recalculate that portion of the award. On November 19, 2012, Allegheny filed a Petition for Allowance of Appeal with the Supreme Court of Pennsylvania and Wolf Run and Hunter Ridge filed an Answer.  On July 2, 2013, the Supreme Court of Pennsylvania denied the Petition of Allowance.  As this action finalized the past damage award, Wolf Run paid $15.6 million for the past damage amount, including interest, to Allegheny in July 2013.  Testimony on the future damage award in the lower court concluded on May 19, 2014, and post-trial briefs and responses were submitted on August 8, 2014.  The court held a hearing on this matter on November 5, 2014 and the parties are awaiting further determination by the court.

In addition, the Company is a party to numerous other claims and lawsuits with respect to various matters. As of September 30, 2014 and December 31, 2013, the Company had accrued $22.5 million and $30.4 million, respectively, for all legal matters, including $10.3 million and $11.7 million, respectively, classified as current.  The ultimate resolution of any such

18

legal matter could result in outcomes which may be materially different from amounts the Company has accrued for such matters.

16.  Segment Information

The Company’s reportable business segments are based on the major coal producing basins in which the Company operates and may include a number of mine complexes. The Company manages its coal sales by coal basin, not by individual mining complex. Geology, coal transportation routes to customers, regulatory environments and coal quality or type are characteristic to a basin, and, accordingly, market and contract pricing have developed by coal basin. Mining operations are evaluated based on their per-ton operating costs (defined as including all mining costs but excluding pass-through transportation expenses), as well as on other non-financial measures, such as safety and environmental performance. The Company’s reportable segments are the Powder River Basin (PRB) segment, with operations in Wyoming; and the Appalachia (APP) segment, with operations primarily in West Virginia.  The “Other” category combines other operating segments and includes the Company’s coal mining operations in Colorado and Illinois and its ADDCAR subsidiary, which the Company sold in the first quarter of 2014.

Operating segment results for the three and nine months ended September 30, 2014 and 2013 are presented below. Results for the reportable segments include all direct costs of mining, including all depreciation, depletion and amortization related to the mining operations, even if the assets are not recorded at the operating segment level.  These reportable segment results do not reflect impairment charges, since those are not reflected in the operating income reviewed by management.  Corporate, Other and Eliminations includes these charges, as well as the change in fair value of coal derivatives and coal trading activities, net; corporate overhead; land management; other support functions; and the elimination of intercompany transactions.  The operating segment results and capital expenditures reflect only those from continuing operations, and exclude the results of Canyon Fuel, since they are classified as discontinued operations in the condensed consolidated statements of operations for the three and nine months ended September 30, 2013.  Because the condensed consolidated statement of cash flows includes cash flows from discontinued operations, capital expenditures from discontinued operations are included in “Corporate, Other and Eliminations” below.

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	PRB			APP			Other Operating Segments		Corporate, Other and Eliminations			Consolidated
	(in thousands)
Three Months Ended September 30, 2014
Revenues	$	389,386		$	272,354		$	80,440	$	—		$	742,180
Income (loss) from operations	18,797			(35,888		)	17,912		(36,121		)	(35,300		)
Depreciation, depletion and amortization	43,962			48,867			10,499		1,827			105,155
Amortization of acquired sales contracts, net	(1,200		)	(1,815		)	2		—			(3,013		)
Asset impairment and mine closure costs	—			5,060			—		—			5,060
Capital expenditures	8,174			9,039			4,678		1,064			22,955
Three Months Ended September 30, 2013
Revenues	$	420,521		$	263,189		$	107,559	$	—		$	791,269
Income (loss) from operations	20,694			(157,883		)	56		(97,620		)	(234,753		)
Depreciation, depletion and amortization	46,619			46,530			11,958		1,216			106,323
Amortization of acquired sales contracts, net	(864		)	(2,691		)	987		—			(2,568		)
Asset impairment and mine closure costs	—			126,449			16,280		57,668			200,397
Capital expenditures	1,695			44,624			7,122		663			54,104
Nine Months Ended September 30, 2014
Revenues	$	1,106,258		$	832,452		253,217		$	—		$	2,191,927
Income (loss) from operations	19,001			(79,890		)	34,640		(117,978		)	(144,227		)
Depreciation, depletion and amortization	124,243			155,087			29,601		3,111			312,042
Amortization of acquired sales contracts, net	(2,774		)	(7,266		)	92		—			(9,948		)
Asset impairment and mine closure costs	—			5,060			—		1,512			6,572
Capital expenditures	17,230			28,232			8,837		64,402			118,701
Nine Months Ended September 30, 2013
Revenues	$	1,135,892		$	883,485		$	275,594	$	—		$	2,294,971
Income (loss) from operations	53,244			(190,278		)	23,359		(208,788		)	(322,463		)
Depreciation, depletion and amortization	130,993			157,867			34,319		4,422			327,601
Amortization of acquired sales contracts, net	(3,004		)	(7,975		)	3,392		—			(7,587		)
Asset impairment and mine closure costs	—			126,449			16,280		78,150			220,879
Capital expenditures	5,671			137,390			17,923		62,184			223,168

A reconciliation of segment income (loss) from operations to consolidated loss before income taxes follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Loss from operations	$	(35,300	)	$	(234,753	)	$	(144,227	)	$	(322,463	)
Interest expense	(98,217		)	(95,624		)	(292,648		)	(285,454		)
Interest and investment income	1,949			697			5,828			4,749
Loss from continuing operations before income taxes	$	(131,568	)	$	(329,680	)	$	(431,047	)	$	(603,168	)

17. Supplemental Consolidating Financial Information

Pursuant to the indentures governing Arch Coal, Inc.’s senior notes, certain wholly-owned subsidiaries of the Company have fully and unconditionally guaranteed the senior notes on a joint and several basis. The following tables present condensed

20

consolidating financial information for (i) the Company, (ii) the issuer of the senior notes, (iii) the guarantors under the senior notes, and (iv) the entities which are not guarantors under the senior notes (Arch Receivable Company, LLC and the Company’s subsidiaries outside the United States):

Condensed Consolidating Statements of Operations

Three Months Ended September 30, 2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	742,180		$	—		$	—		$	742,180
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	2,442			645,672			—			(1,018		)	647,096
Depreciation, depletion and amortization	1,175			103,971			9			—			105,155
Amortization of acquired sales contracts, net	—			(3,013		)	—			—			(3,013		)
Change in fair value of coal derivatives and coal trading activities, net	—			(3,733		)	—			—			(3,733		)
Asset impairment and mine closure costs	—			5,060			—			—			5,060
Selling, general and administrative expenses	19,542			7,427			1,679			(512		)	28,136
Other operating income, net	1,562			(2,942		)	(1,371		)	1,530			(1,221		)
	24,721			752,442			317			—			777,480
Income from investment in subsidiaries	2,005			—			—			(2,005		)	—
Loss from operations	(22,716		)	(10,262		)	(317		)	(2,005		)	(35,300		)
Interest expense, net
Interest expense	(116,742		)	(6,577		)	(1,116		)	26,218			(98,217		)
Interest and investment income	7,872			18,987			1,308			(26,218		)	1,949
	(108,870		)	12,410			192			—			(96,268		)
Income (loss) from continuing operations before income taxes	(131,586		)	2,148			(125		)	(2,005		)	(131,568		)
Benefit from income taxes	(34,368		)	—			18			—			(34,350		)
Net income (loss)	$	(97,218	)	$	2,148		$	(143	)	$	(2,005	)	$	(97,218	)
Total comprehensive income (loss)	$	(99,197	)	$	1,717		$	(143	)	$	(1,574	)	$	(99,197	)

21

Condensed Consolidating Statements of Operations

Three Months Ended September 30, 2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	791,269		$	—		$	—		$	791,269
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	169			688,543			—			—			688,712
Depreciation, depletion and amortization	1,549			104,765			9			—			106,323
Amortization of acquired sales contracts, net	—			(2,568		)	—			—			(2,568		)
Change in fair value of coal derivatives and coal trading activities, net	—			9,753			—			—			9,753
Asset impairment and mine closure costs	57,668			142,729			—			—			200,397
Selling, general and administrative expenses	19,104			8,214			1,482			—			28,800
Other operating income, net	2,345			(7,740		)	—			—			(5,395		)
	80,835			943,696			1,491			—			1,026,022
Loss from investment in subsidiaries	(61,537		)	—			—			61,537			—
Loss from operations	(142,372		)	(152,427		)	(1,491		)	61,537			(234,753		)
Interest expense, net
Interest expense	(114,536		)	(6,222		)	(1,070		)	26,204			(95,624		)
Interest and investment income	6,606			18,975			1,320			(26,204		)	697
	(107,930		)	12,753			250			—			(94,927		)
Loss from continuing operations before income taxes	(250,302		)	(139,674		)	(1,241		)	61,537			(329,680		)
Provision for (benefit from) income taxes	(121,939		)	—			26			—			(121,913		)
Loss from continuing operations	(128,363		)	(139,674		)	(1,267		)	61,537			(207,767		)
Income from discontinued operations, net of tax	—			79,404			—			—			79,404
Net loss	$	(128,363	)	$	(60,270	)	$	(1,267	)	$	61,537		$	(128,363	)
Total comprehensive loss	$	(125,996	)	$	(59,241	)	$	(1,267	)	$	60,508		$	(125,996	)

22

Condensed Consolidating Statements of Operations

Nine Months Ended September 30, 2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,191,927		$	—		$	—		$	2,191,927
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	9,378			1,948,918			—			(2,749		)	1,955,547
Depreciation, depletion and amortization	3,993			308,022			27			—			312,042
Amortization of acquired sales contracts, net	—			(9,948		)	—			—			(9,948		)
Change in fair value of coal derivatives and coal trading activities, net	—			(5,811		)	—			—			(5,811		)
Asset impairment costs	1,512			5,060			—			—			6,572
Selling, general and administrative expenses	61,216			22,540			4,971			(1,524		)	87,203
Other operating income, net	1,272			(10,869		)	(4,127		)	4,273			(9,451		)
	77,371			2,257,912			871			—			2,336,154
Loss from investment in subsidiaries	(30,839		)	—			—			30,839			—
Loss from operations	(108,210		)	(65,985		)	(871		)	30,839			(144,227		)
Interest expense, net
Interest expense	(346,481		)	(19,466		)	(3,258		)	76,557			(292,648		)
Interest and investment income	23,598			54,979			3,808			(76,557		)	5,828
	(322,883		)	35,513			550			—			(286,820		)
Loss from continuing operations before income taxes	(431,093		)	(30,472		)	(321		)	30,839			(431,047		)
Provision for (benefit from) income taxes	(112,876		)	—			46			—			(112,830		)
Net loss	$	(318,217	)	$	(30,472	)	$	(367	)	$	30,839		$	(318,217	)
Total comprehensive loss	$	(324,403	)	$	(33,062	)	$	(367	)	$	33,429		$	(324,403	)

23

Condensed Consolidating Statements of Operations

Nine Months Ended September 30, 2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,294,971		$	—		$	—		$	2,294,971
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	4,881			1,989,772			—			—			1,994,653
Depreciation, depletion and amortization	4,430			323,144			27			—			327,601
Amortization of acquired sales contracts, net	—			(7,587		)	—			—			(7,587		)
Change in fair value of coal derivatives and coal trading activities, net	—			2,053			—			—			2,053
Asset impairment costs	78,150			142,729			—			—			220,879
Selling, general and administrative expenses	63,006			28,978			4,327			—			96,311
Other operating income, net	(4,663		)	(10,704		)	(1,109		)	—			(16,476		)
	145,804			2,468,385			3,245			—			2,617,434
Income from investment in subsidiaries	(42,199		)	—			—			42,199			—
Loss from operations	(188,003		)	(173,414		)	(3,245		)	42,199			(322,463		)
Interest expense, net
Interest expense	(336,310		)	(18,502		)	(3,170		)	72,528			(285,454		)
Interest and investment income	22,917			49,986			4,374			(72,528		)	4,749
	(313,393		)	31,484			1,204			—			(280,705		)
Loss from continuing operations before income taxes	(501,396		)	(141,930		)	(2,041		)	42,199			(603,168		)
Provision for (benefit from) income taxes	(230,778		)	—			44			—			(230,734		)
Loss from continuing operations	(270,618		)	(141,930		)	(2,085		)	42,199			(372,434		)
Income from discontinued operations, net of tax	—			101,816			—			—			101,816
Net loss	$	(270,618	)	$	(40,114	)	$	(2,085	)	$	42,199		$	(270,618	)
Total comprehensive loss	$	(262,717	)	$	(39,175	)	$	(2,085	)	$	41,260		$	(262,717	)

24

Condensed Consolidating Balance Sheets

September 30, 2014

	Parent/Issuer		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	633,822	$	150,359	$	11,753	$	—		$	795,934
Short term investments	249,067		—		—		—			249,067
Receivables	24,438		13,496		212,813		(4,609		)	246,138
Inventories	—		209,659		—		—			209,659
Other	83,939		40,717		263		—			124,919
Total current assets	991,266		414,231		224,829		(4,609		)	1,625,717
Property, plant and equipment, net	10,120		6,521,641		10		347			6,532,118
Investment in subsidiaries	7,641,207		—		—		(7,641,207		)	—
Intercompany receivables	—		2,095,207		—		(2,095,207		)	—
Note receivable from Arch Western	675,000		—		—		(675,000		)	—
Other	145,757		315,065		125		—			460,947
Total other assets	8,461,964		2,410,272		125		(10,411,414		)	460,947
Total assets	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782
Liabilities and Stockholders’ Equity
Accounts payable	$	11,093	$	162,701	$	41	$	—		$	173,835
Accrued expenses and other current liabilities	118,162		228,126		1,030		(4,609		)	342,709
Current maturities of debt	22,068		7,909		—		—			29,977
Total current liabilities	151,323		398,736		1,071		(4,609		)	546,521
Long-term debt	5,088,466		37,720		—		—			5,126,186
Intercompany payables	1,898,152		—		197,055		(2,095,207		)	—
Note payable to Arch Coal	—		675,000		—		(675,000		)	—
Asset retirement obligations	1,056		399,879		—		—			400,935
Accrued pension benefits	3,151		12,143		—		—			15,294
Accrued postretirement benefits other than pension	4,500		34,627		—		—			39,127
Accrued workers’ compensation	29,683		48,837		—		—			78,520
Deferred income taxes	296,639		—		—		—			296,639
Other noncurrent liabilities	56,330		124,509		324		—			181,163
Total liabilities	7,529,300		1,731,451		198,450		(2,774,816		)	6,684,385
Stockholders’ equity	1,934,050		7,614,693		26,514		(7,640,860		)	1,934,397
Total liabilities and stockholders’ equity	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782

25

Condensed Consolidating Balance Sheets

December 31, 2013

	Parent/Issuer		Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	799,333	$	100,418		$	11,348	$	—		$	911,099
Short term investments	248,414		—			—		—			248,414
Receivables	14,177		23,018			197,015		(4,637		)	229,573
Inventories	—		264,161			—		—			264,161
Other	84,401		43,617			806		—			128,824
Total current assets	1,146,325		431,214			209,169		(4,637		)	1,782,071
Property, plant and equipment, net	24,851		6,709,398			37		—			6,734,286
Investment in subsidiaries	7,709,201		—			—		(7,709,201		)	—
Intercompany receivables	—		1,921,331			—		(1,921,331		)	—
Note receivable from Arch Western	675,000		—			—		(675,000		)	—
Other	162,287		311,463			86		—			473,836
Total other assets	8,546,488		2,232,794			86		(10,305,532		)	473,836
Total assets	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193
Liabilities and Stockholders’ Equity
Accounts payable	$	17,781	$	158,224		$	137	$	—		$	176,142
Accrued expenses and other current liabilities	53,779		228,664			781		(4,637		)	278,587
Current maturities of debt	28,882		4,611			—		—			33,493
Total current liabilities	100,442		391,499			918		(4,637		)	488,222
Long-term debt	5,099,833		18,169			—		—			5,118,002
Intercompany payables	1,740,236		—			181,095		(1,921,331		)	—
Note payable to Arch Coal	—		675,000			—		(675,000		)	—
Asset retirement obligations	1,095		401,618			—		—			402,713
Accrued pension benefits	7,797		(686		)	—		—			7,111
Accrued postretirement benefits other than pension	12,079		27,176			—		—			39,255
Accrued workers’ compensation	21,546		56,516			—		—			78,062
Deferred income taxes	413,546		—			—		—			413,546
Other noncurrent liabilities	67,841		121,794			398		—			190,033
Total liabilities	7,464,415		1,691,086			182,411		(2,600,968		)	6,736,944
Stockholders’ equity	2,253,249		7,682,320			26,881		(7,709,201		)	2,253,249
Total liabilities and stockholders’ equity	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193

26

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30, 2014

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations		Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(342,497	)	$	360,036		$	(15,549	)	$	—	$	1,990
Investing Activities
Capital expenditures	(1,195		)	(117,506		)	—			—		(118,701		)
Minimum royalty payments	—			(3,604		)	—			—		(3,604		)
Proceeds from disposals and divestitures	46,634			4,337			—			—		50,971
Purchases of marketable securities	(181,546		)	—			—			—		(181,546		)
Proceeds from sale or maturity of marketable securities and other investments	178,293			—			—			—		178,293
Investments in and advances to affiliates	(2,047		)	(11,346		)	—			—		(13,393		)
Cash provided by (used in) investing activities	40,139			(128,119		)	—			—		(87,980		)
Financing Activities
Payments on term loan	(14,625		)	—			—			—		(14,625		)
Net payments on other debt	(6,814		)	(3,373		)	—			—		(10,187		)
Debt financing costs	(2,219		)	—			—			—		(2,219		)
Dividends paid	(2,123		)	—			—			—		(2,123		)
Other	(15		)	—			(6		)	—		(21		)
Transactions with affiliates, net	162,643			(178,603		)	15,960			—		—
Cash provided by (used in) financing activities	136,847			(181,976		)	15,954			—		(29,175		)
Increase (decrease) in cash and cash equivalents	(165,511		)	49,941			405			—		(115,165		)
Cash and cash equivalents, beginning of period	799,333			100,418			11,348			—		911,099
Cash and cash equivalents, end of period	$	633,822		$	150,359		$	11,753		$	—	$	795,934

27

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30, 2013

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(22,206	)	$	153,868		$	54,930		$	—		$	186,592
Investing Activities
Capital expenditures	(2,488		)	(220,680		)	—			—			(223,168		)
Minimum royalty payments	—			(10,901		)	—			—			(10,901		)
Proceeds from sale-leaseback transactions	—			34,919			—			—			34,919
Proceeds from disposals and divestitures	—			431,462			—			—			431,462
Purchases of short term investments	(85,418		)	—			—			—			(85,418		)
Proceeds from sales of short term investments	67,255			—			—			—			67,255
Investments in and advances to affiliates	(4,016		)	(7,492		)	—			384			(11,124		)
Change in restricted cash	3,453			—			—			—			3,453
Cash provided by (used in) investing activities	(21,214		)	227,308			—			384			206,478
Financing Activities
Contributions from parent	—			384			—			(384		)	—
Payments on term loan	(12,375		)	—			—			—			(12,375		)
Net payments on other debt	(12,700		)	(384		)	—			—			(13,084		)
Dividends paid	(19,105		)	—			—			—			(19,105		)
Transactions with affiliates, net	437,532			(381,234		)	(56,298		)	—			—
Cash provided by (used in) financing activities	393,352			(381,234		)	(56,298		)	(384		)	(44,564		)
Decrease in cash and cash equivalents	349,932			(58		)	(1,368		)	—			348,506
Cash and cash equivalents, beginning of period	671,313			100,468			12,841			—			784,622
Cash and cash equivalents, end of period	$	1,021,245		$	100,410		$	11,473		$	—		$	1,133,128

28

Item 2.  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

Overview

Our results during the third quarter of 2014, when compared to the third quarter of 2013, were impacted by the continuing weakness in coal markets, particularly for metallurgical coal.  In addition, though service has improved since earlier in 2014, the impact of continuing rail network issues resulted in lower Powder River Basin shipments in the third quarter of 2014, when compared to the third quarter of 2013.

Seaborne coal markets remain challenged, as oversupply continues to pressure global prices for metallurgical and thermal coals. We have limited our forward exposure to the export market at this time, but we have maintained our ability to increase export shipments should fundamentals improve.

Due to the weak markets, we sold 5.0 million tons of metallurgical coal during the first nine months of 2014 compared to 5.3 million tons during the first nine months of 2013, although shipments in the third quarter of 2014 exceeded those in the third quarter of 2013 due to shipment timing.

See further information regarding committed sales in Item 3. “Quantitative and Qualitative Disclosures About Market Risk.”

Regional Performance

The following table shows results by operating segment for the three and nine months ended September 30, 2014 and compares it with the information for the three and nine months ended September 30, 2013.  The “other” category represents the results of our other bituminous thermal operations: our West Elk mining complex in Colorado, our Viper mining complex in Illinois, and our ADDCAR subsidiary prior to its divestiture in the first quarter of 2014.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
Powder River Basin
Tons sold (in thousands)	29,266			31,485			81,860			85,228
Coal sales per ton sold	$	13.03		$	12.26		$	12.86		$	12.49
Cost per ton sold	$	12.42		$	11.68		$	12.66		$	11.97
Operating margin per ton sold	$	0.61		$	0.58		$	0.20		$	0.52
Adjusted EBITDA (in thousands)	$	61,559		$	66,346		$	140,471		$	180,851
Appalachia
Tons sold (in thousands)	3,619			3,315			10,895			10,744
Coal sales per ton sold	$	68.72		$	73.71		$	68.60		$	74.21
Cost per ton sold	$	79.87		$	82.03		$	78.95		$	81.55
Operating loss per ton sold	$	(11.15	)	$	(8.32	)	$	(10.35	)	$	(7.34	)
Adjusted EBITDA (in thousands)	$	16,224		$	12,425		$	72,991		$	86,141
Other
Tons sold (in thousands)	2,243			2,365			6,393			6,071
Coal sales per ton sold	$	31.81		$	30.97		$	30.62		$	32.80
Cost per ton sold	$	24.16		$	25.51		$	25.26		27.51
Operating margin per ton sold	$	7.65		$	5.46		$	5.36		$	5.29
Adjusted EBITDA (in thousands)	$	28,413		$	26,410		$	66,169		$	70,525

This table reflects numbers reported under a basis that differs from U.S. GAAP.  See the “Reconciliation of Non-GAAP measurements” for explanation and reconciliation of these amounts to the nearest GAAP figures.    Other companies may calculate these per ton amounts differently, and our calculation may not be comparable to other similarly titled measures.

29

Powder River Basin — Adjusted EBITDA decreased 7% in the third quarter and 22% in the first nine months of 2014 when compared to the respective periods in 2013 due to lower shipment volumes and higher costs, primarily repairs and maintenance spending.  Repairs and maintenance costs in earlier quarters of 2014 were incurred in anticipation of higher shipment volume levels to meet expected higher demand in the region; however, rail performance issues have continued to impact shipments out of the region.  Rail performance during third quarter of 2014 did improve over previous quarters, but shipments were still lower than the prior year quarter. Repairs and maintenance costs in the third quarter of 2014 were also higher than the third quarter of 2013 due primarily to costs required to place a shovel in service, after removing one for repairs.  Our pricing has improved in the region, which partially offset the impact of the lower shipment levels. Higher pricing is attributable primarily to a decrease in export shipments and contracting in stronger markets.

Appalachia —Coal sales volumes increased in the third quarter of 2014 when compared to 2013 due primarily to an increase in metallurgical coal shipments.  This was the result of the timing of shipments, as metallurgical coal shipments decreased in the first nine months of 2014 when compared to 2013 levels, offset by an improvement in thermal coal demand.  Pricing for both metallurgical and thermal coals was lower in the third quarter of 2014 and in the first nine months of 2014 than in the prior year.  The startup of the longwall at the Leer mining complex, the idling and divesting of higher-cost production, and lower sales-sensitive costs contributed to lower per-ton costs in the third quarter and first nine months of 2014 when compared to the respective periods in 2013.  Adjusted EBITDA increased in the third quarter of 2014 when compared with the third quarter of 2013 due to the higher metallurgical coal volumes and lower cost structure, but decreased during the first nine months of 2014, when compared to the respective period in 2013, due to the lower metallurgical volumes.  Adjusted EBITDA in the first nine months of 2014 did benefit from the sale of a thermal coal complex and idled thermal coal mine in Kentucky in the first quarter ($17.1 million).   See Note 4, “Divestitures”, to the condensed consolidated financial statements for further discussion.

Other — Operating margin per ton and Adjusted EBITDA increased in the third quarter of 2014 when compared to 2013 due to lower costs as a result of cost control efforts. Results for the third quarter of 2014 also benefited from higher per-ton pricing.

Results of Operations

Three Months Ended September 30, 2014 Compared to Three Months Ended September 30, 2013

Coal sales.  The following table summarizes information about our coal sales during the three months ended September 30, 2014 and compares it with the information for the three months ended September 30, 2013:

	Three Months Ended September 30,
	2014		2013		Decrease
	(In thousands)
Coal sales	$	742,180	$	786,614	$	(44,434	)
Tons sold	35,128		37,165		(2,037		)

On a consolidated basis, coal sales decreased in the third quarter of 2014 from the third quarter of 2013, primarily due to the impact of lower sales volumes (a decrease of approximately $43 million).  Average pricing decreased slightly, as declines in metallurgical and Appalachian thermal coal pricing were largely offset by the impact of changes in the regional mix, as sales volumes increased in regions with higher pricing.   See discussion in “Regional Performance” for further information about regional results.

30

Costs, expenses and other.  The following table summarizes costs, expenses and other components of operating income for the three months ended September 30, 2014 and compares it with the information for the three months ended September 30, 2013:

	Three Months Ended September 30,						(Increase) Decrease
	2014			2013			in Net Loss
	(In thousands)
Cost of sales (exclusive of items shown separately below)	$	647,096		$	688,712		$	41,616
Depreciation, depletion and amortization	105,155			106,323			1,168
Amortization of acquired sales contracts, net	(3,013		)	(2,568		)	445
Change in fair value of coal derivatives and coal trading activities, net	(3,733		)	9,753			13,486
Asset impairment and mine closure costs	5,060			200,397			195,337
Selling, general and administrative expenses	28,136			28,800			664
Other operating income, net	(1,221		)	(5,395		)	(4,174		)
Total costs, expenses and other	$	777,480		$	1,026,022		$	248,542

Cost of sales.  Our cost of sales decreased in the third quarter of 2014 from the third quarter of 2013, due to lower sales volumes (a decrease of approximately $35 million) and transportation costs, which decreased approximately $52 million in the third quarter of 2014 from the third quarter of 2013, primarily due to decreased export shipments.  Partially offsetting these variances was an increase in average per-ton costs (an increase of approximately $44 million), the result of an increase in costs in the Powder River Basin, and a higher percentage of sales volumes from higher-cost regions.   See discussion in “Regional Performance” for further information about regional results.

Depreciation, depletion and amortization.  When compared with the third quarter of 2013, depreciation, depletion and amortization costs decreased slightly in 2014 due to lower overall production and capital spending levels.

Asset Impairment costs.  In the face of weak coal markets, management has chosen to concentrate metallurgical coal production at our lowest-cost and highest-margin operations.   In the third quarter of 2013, in response to market conditions, we recorded impairment charges related to a Kentucky coal operation and our highwall mining equipment subsidiary.  In addition, we recorded an other-than-temporary impairment of our investment in a coal-to-liquids project and a related receivable balance.   In the third quarter of 2014, we idled an additional metallurgical coal mining complex in Appalachia, where we had previously idled two contract mining operations.  We have retained the option to restart production at this complex should metallurgical coal markets strengthen.  See further discussion in Note 5, “Impairment Charges” to the condensed consolidated financial statements for further information.

Selling, general and administrative expenses.  Total selling, general and administrative expenses decreased when compared with the third quarter of 2013, due primarily to decreases in legal and professional fees and lower costs related to our pension plans.

Other operating income, net.  When compared with the third quarter of 2013, other operating income, net decreased during the third quarter of 2014, primarily due to a decrease in settlement gains of $9.4 million on derivatives used to manage coal price risk and an increase in unrealized losses on derivatives in our diesel purchase risk management program of $3.3 million. These were partially offset by a decrease in commercial losses of $7.4 million and an increase in gains on asset sales of $1.3 million.

Benefit from income taxes.   The following table summarizes our benefit from income taxes for the three months ended September 30, 2014 and compares it with the information for the three months ended September 30, 2013:

31

	Three Months Ended September 30,						Increase
	2014			2013			in Net Loss
	(In thousands)
Benefit from income taxes	$	(34,350	)	$	(121,913	)	$	(87,563	)

The income tax benefit rate of 26% in the third quarter of 2014 decreased from 37% in the third quarter of 2013 due to the establishment of a valuation allowance totaling approximately $16 million relating to 2014 federal and state net operating loss carryforwards.  See further discussion in Note 11, “Income Taxes”, to the condensed consolidated financial statements.

Income from discontinued operations, net of tax The results of our Canyon Fuel subsidiary prior to its divestiture, including the gain on divestiture, are segregated from continuing operations. See further information in Note 4, “Divestitures”, to the condensed consolidated financial statements.

	Three Months Ended September 30,				Increase
	2014		2013		in Net Loss
	(In thousands)
Income from discontinued operations, net of tax	$	—	$	79,404	$	(79,404	)

Nine Months Ended September 30, 2014 Compared to Nine Months Ended September 30, 2013

Revenues.  Our revenues consist of coal sales and revenues from our ADDCAR subsidiary prior to its disposition in the first quarter of 2014.

Coal sales.  The following table summarizes information about our coal sales during the nine months ended September 30, 2014 and compares it with the information for the nine months ended September 30, 2013:

	Nine Months Ended September 30,
	2014		2013		Decrease
	(In thousands)
Coal sales	$	2,189,989	$	2,284,703	$	(94,714	)
Tons sold	99,148		102,043		(2,895		)

Coal sales decreased in the first nine months of 2014 from the first nine months of of 2013 on a consolidated basis, primarily due to the impact of lower sales volumes (a decrease of approximately $64 million) and the impact of lower average per-ton pricing (a decrease of approximately $31 million).  Average pricing decreased from $22.39 to $22.09 per ton, primarily due to declines in metallurgical coal sales, partially offset by improvements in Powder River Basin pricing.   See discussion in “Regional Performance” for further information about regional results.

Costs, expenses and other.  The following table summarizes costs, expenses and other components of operating income for the nine months ended September 30, 2014 and compares it with the information for the nine months ended September 30, 2013:

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	Nine Months Ended September 30,						(Increase) Decrease
	2014			2013			in Net Loss
	(In thousands)
Cost of sales (exclusive of items shown separately below)	$	1,955,547		$	1,994,653		$	39,106
Depreciation, depletion and amortization	312,042			327,601			15,559
Amortization of acquired sales contracts, net	(9,948		)	(7,587		)	2,361
Change in fair value of coal derivatives and coal trading activities, net	(5,811		)	2,053			7,864
Asset impairment and mine closure costs	6,572			220,879			214,307
Selling, general and administrative expenses	87,203			96,311			9,108
Other operating income, net	(9,451		)	(16,476		)	(7,025		)
Total costs, expenses and other	$	2,336,154		$	2,617,434		$	281,280

Cost of sales.  Our cost of sales declined slightly in the first nine months of 2014 from the first nine months of 2013, as the impact of lower sales volumes (a decrease of $51 million) and a decrease in transportation costs ($51 million) were offset by higher average per-ton production costs.  Higher average per-ton production costs, the result of higher costs in the Powder River Basin and a regional mix that included an increase in the percentage of sales volumes from higher cost regions, resulted in an increase in cost of sales of approximately $59 million. See discussion in “Regional Performance” for further information about regional cost results.

Depreciation, depletion and amortization.  When compared with the first nine months of 2013, depreciation, depletion and amortization costs decreased in 2014 due to lower overall production and capital spending levels.

Asset impairment costs. In addition to the impairments in the discussion in comparison of results for the three months periods ended September 30, 2014 and 2013, we recognized the impairment of an equity method investment in a company engaged in developing coal-to-liquids facilities. See further discussion in Note 5, “Impairment Charges” to the condensed consolidated financial statements for further information.

Selling, general and administrative expenses.  Total selling, general and administrative expenses decreased when compared with the first nine months of 2013, due to decreases in legal and professional fees ($4.7 million), lower costs related to our pension plans ($3.0 million), and decreases in discretionary spending.

Other operating income, net.  When compared with the first nine months of 2013, other operating income, net decreased during the first nine months of 2014, primarily as a result of costs of $28.3 million in the first nine months of 2014 related to export shortfalls under throughput arrangements (an increase of $10.7 million from the first nine months of 2013), and a decrease in realized gains of $21.0 million on derivatives used to manage coal price risk.  These were offset by an increase in gains on asset disposals of $16.9 million, primarily from the divestitures of mining operations in the Appalachia region and our ADDCAR subsidiary in the first quarter of 2014, and a decrease in unrealized losses of $3.5 million on derivatives used in our diesel purchase risk management program and a decrease in contract settlement losses of $3.2 million.

Benefit from income taxes.   The following table summarizes our benefit from income taxes for the nine months ended September 30, 2014 and compares it with the information for the nine months ended September 30, 2013:

	Nine Months Ended September 30,						Increase
	2014			2013			in Net Loss
	(In thousands)
Benefit from income taxes	$	(112,830	)	$	(230,734	)	$	(117,904	)

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The income tax benefit rate of 26% in the first nine months of 2014 decreased from 38% in the first nine months of 2013 due to the establishment of a valuation allowance totaling approximately $58 million relating to 2014 federal and state net operating loss carryforwards.  See further discussion in Note 11, “Income Taxes”, to the condensed consolidated financial statements.

Income from discontinued operations, net of tax The results of our Canyon Fuel subsidiary prior to its divestiture, including the gain on divestiture, are segregated from continuing operations. See further information in Note 4, “Divestitures”, to the condensed consolidated financial statements.

	Nine Months Ended September 30,				Increase
	2014		2013		in Net Loss
	(In thousands)
Income from discontinued operations, net of tax	$	—	$	101,816	$	(101,816	)

Reconciliation of NON-GAAP measures

Segment coal sales per ton sold

Segment coal sales per ton sold are calculated as the segment’s coal sales revenues divided by segment tons sold.  The segments’ sales per tons sold are adjusted for transportation costs, and may be adjusted for other items that, due to accounting rules, are classified in “other income” on the statement of operations, but relate to price protection on the sale of coal. Segment sales per ton sold is not a measure of financial performance in accordance with generally accepted accounting principles.  We believe segment sales per ton sold better reflects our revenue for the quality of coal sold and our operating results by including all income from coal sales. The adjustments made to arrive at these measures are significant in understanding and assessing our financial condition.  Therefore, segment coal sales revenues should not be considered in isolation, nor as an alternative to coal sales revenues under generally accepted accounting principles.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Reported segment coal sales revenues	$	701,402		$	703,571		$	1,995,836		$	2,060,673
Coal risk management derivative settlements classified in “other income”	(502		)	(9,929		)	(4,700		)	(25,726		)
Transportation costs	41,280			92,972			198,853			249,756
Coal sales	742,180			786,614			2,189,989			2,284,703
Other revenues	$	—		$	4,655		$	1,938		$	10,267
	$	742,180		$	791,269		$	2,191,927		$	2,294,970

Segment cost per ton sold

Segment costs per ton sold are calculated as the segment’s cost of tons sold divided by segment tons sold.  The segments’ cost of tons sold are adjusted for transportation costs, and may be adjusted for other items that, due to accounting rules, are classified in “other income” on the statement of operations, but relate directly to the costs incurred to produce coal. Segment cost of tons sold is not a measure of financial performance in accordance with generally accepted accounting principles.  We believe segment cost of tons sold better reflects our controllable costs and our operating results by including all costs incurred to produce coal. The adjustments made to arrive at these measures are significant in understanding and assessing our financial condition.  Therefore, segment cost of tons sold should not be considered in isolation, nor as an alternative to cost of sales under generally accepted accounting principles.

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	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Reported segment cost of tons sold	$	706,728		$	700,055		$	2,058,155		$	2,063,171
Diesel fuel risk management derivative settlements classified in “other income”	(1,705		)	(3,048		)	(5,268		)	(11,294		)
Transportation costs	41,280			92,972			198,853			249,756
Depreciation, depletion and amortization in reported segment cost of tons sold presented on separate line on statement of operations	(103,328		)	(104,682		)	(308,931		)	(321,897		)
Other (other operating segments, operating overhead, etc.)	4,121			3,415			12,738			14,917
Cost of sales	$	647,096		$	688,712		$	1,955,547		$	1,994,653

Segment Adjusted EBITDA to Net Income

The discussion in “Results of Operations” includes references to our Adjusted EBITDA. Adjusted EBITDA is defined as net income attributable to the Company before the effect of net interest expense, income taxes, depreciation, depletion and amortization and the amortization of acquired sales contracts. Adjusted EBITDA may also be adjusted for items that may not reflect the trend of future results. We believe that Adjusted EBITDA presents a useful measure of our ability to service and incur debt based on ongoing operations. Investors should be aware that our presentation of Adjusted EBITDA may not be comparable to similarly titled measures used by other companies. The table below shows how we calculate Adjusted EBITDA.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Reported Segment Adjusted EBITDA	$	106,196		$	105,181		$	279,631		$	337,517
EBITDA from discontinued operations	—			123,985			—			169,133
Corporate and other (1)	(34,294		)	(35,782		)	(115,192		)	(119,087		)
Adjusted EBITDA	71,902			193,384			164,439			387,563
Income tax benefit	34,350			121,913			112,830			230,734
Interest expense, net	(96,268		)	(94,927		)	(286,820		)	(280,705		)
Depreciation, depletion and amortization	(105,155		)	(106,323		)	(312,042		)	(327,601		)
Amortization of acquired sales contracts, net	3,013			2,568			9,948			7,587
Asset impairment costs	(5,060		)	(200,397		)	(6,572		)	(220,879		)
Interest, depreciation, depletion and amortization classified as discontinued operations	—			(44,581		)	—			(67,317		)
Net loss	$	(97,218	)	$	(128,363	)	$	(318,217	)	$	(270,618	)

(1)                   Corporate and other includes primarily selling, general and administrative expenses, asset impairment charges, income from our equity investments and certain changes in the fair value of coal derivatives and coal trading activities.

Liquidity and Capital Resources

Our primary sources of cash are coal sales to customers, availability under our credit facilities and other financing arrangements, and debt and equity offerings related to significant transactions or refinancing activity. Excluding significant investing activity, we generally satisfy our working capital requirements and fund capital expenditures and debt-service obligations with cash generated from operations, cash on hand or borrowings under our lines of credit. Such plans are subject to change based on our cash needs.  During the market down cycle our focus is preserving liquidity and prudently managing costs, including capital expenditures.

We have no meaningful maturities of debt until 2018, and we have suspended or eliminated most financial maintenance covenants that pertain only to our $250 million revolver until June of 2015, when a relaxed, senior secured leverage ratio covenant becomes effective. Until then, only a minimum liquidity covenant of $550 million remains in place. We

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had liquidity of $1.3 billion at September 30, 2014, with $1.05 billion of that in cash and liquid securities.  We have no borrowings outstanding under our revolving credit agreement at September 30, 2014.

The following is a summary of cash provided by or used in each of the indicated types of activities during the nine months ended September 30,  2014 and 2013:

	Nine Months Ended September 30,
	2014			2013
	(In thousands)
Cash provided by (used in):
Operating activities	$	1,990		$	186,592
Investing activities	(87,980		)	206,478
Financing activities	(29,175		)	(44,564		)

We generated $184.6 million less cash from operating activities during the first nine months of 2014 compared to the first nine months of 2013, due to the decrease in our operating profitability resulting from weak coal market conditions and shipping issues in the Powder River Basin.

We used $88.0 million of cash in investing activities during the first nine months of 2014 compared to generating $206.5 million of cash in the first nine months of 2013, as proceeds from disposals and divestitures decreased $380.5 million.  The divestitures of a Kentucky operation and idled assets and our ADDCAR subsidiary are reflected in 2014 and the divestiture of the Canyon Fuel operations is reflected in 2013. We are scheduled to receive additional consideration of $11 million by the end of 2014 relating to the ADDCAR divestiture.  Capital expenditures and additions to prepaid royalties decreased approximately $104.5 million and $7.3 million, respectively, during the first nine months of 2014 when compared to the first nine months of 2013.  Cash conservation efforts and the start up of the Leer mining complex longwall in the first quarter of 2014 were responsible for the decrease in capital expenditures.  Compared with the nine months ended September 30, 2013, we invested net $13.3 million less in short term investments in the nine months ended September 30, 2014.

Cash used in financing activities was approximately $15 million less in the nine months ended September 30, 2014, primarily due to the decrease in the dividend rate, partially offset by an increase in debt servicing payments.   The decrease in the dividend rate in the first quarter of 2014 from $0.03 per quarter to $0.01 per annum reduced dividends paid from $19.1 million during the nine months ended September 30, 2013 to $2.1 million during the nine months ended September 30, 2014.

Ratio of Earnings to Fixed Charges

The following table sets forth our ratios of earnings to combined fixed charges and preference dividends for the periods indicated:

	Nine Months Ended September 30,
	2014	2013
Ratio of earnings to combined fixed charges and preference dividends(1)	N/A	N/A	(2)

(1)                   Earnings consist of income from continuing operations before income taxes and are adjusted to include only distributed income from affiliates accounted for on the equity method and fixed charges (excluding capitalized interest). Fixed charges consist of interest incurred on indebtedness, the portion of operating lease rentals deemed representative of the interest factor and the amortization of debt expense.

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(2)            Total losses for the ratio calculation were $123.5 million and total fixed charges were $301.1 million for the nine months ended September 30, 2014.  Total losses for the ratio calculation were $308.6 million and total fixed charges were $304.9 million for the nine months ended September 30, 2013.

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Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

We manage our commodity price risk for our non-trading, thermal coal sales through the use of long-term coal supply agreements, and to a limited extent, through the use of derivative instruments.  Sales commitments in the metallurgical coal market are typically not long-term in nature, and we are therefore subject to fluctuations in market pricing.

Our sales commitments for 2014 and 2015 were as follows as of October 28, 2014:

	2014			2015
	Tons	$ per ton		Tons	$ per ton
	(in millions)			(in millions)
Powder River Basin
Committed, Priced	111.3	$	12.97	90.5	$	13.56
Committed, Unpriced	1.3			4.1
Appalachia
Committed, Priced Thermal	7.4	$	57.44	3.9	$	56.81
Committed, Unpriced Thermal	—			—
Committed, Priced Metallurgical	6.7	$	81.70	1.7	$	85.32
Committed, Unpriced Metallurgical	—			0.2
Other Bituminous
Committed, Priced	8.4	$	30.83	4.3	$	34.71
Committed, Unpriced	0.1			—

We are also exposed to commodity price risk in our coal trading activities, which represents the potential future loss that could be caused by an adverse change in the market value of coal. Our coal trading portfolio included forward, swap and put and call option contracts at September 30, 2014. The estimated future realization of the value of the trading portfolio is $4.7 million of gains in the remainder of 2014 and $4.2 million of gains in 2015.

We monitor and manage market price risk for our trading activities with a variety of tools, including Value at Risk (VaR), position limits, management alerts for mark to market monitoring and loss limits, scenario analysis, sensitivity analysis and review of daily changes in market dynamics. Management believes that presenting high, low, end of year and average VaR is the best available method to give investors insight into the level of commodity risk of our trading positions. Illiquid positions, such as long-dated trades that are not quoted by brokers or exchanges, are not included in VaR.

VaR is a statistical one-tail confidence interval and down side risk estimate that relies on recent history to estimate how the value of the portfolio of positions will change if markets behave in the same way as they have in the recent past. The level of confidence is 95%.   The time across which these possible value changes are being estimated is through the end of the next business day. A closed-form delta-neutral method used throughout the finance and energy sectors is employed to calculate this VaR. VaR is back tested to verify its usefulness.

On average, portfolio value should not fall more than VaR on 95 out of 100 business days. Conversely, portfolio value declines of more than VaR should be expected, on average, 5 out of 100 business days. When more value than VaR is lost due to market price changes, VaR is not representative of how much value beyond VaR will be lost.

While presenting VaR will provide a similar framework for discussing risk across companies, VaR estimates from two independent sources are rarely calculated in the same way. Without a thorough understanding of how each VaR model was calculated, it would be difficult to compare two different VaR calculations from different sources.

During the nine months ended September 30, 2014, VaR for our coal trading positions that are recorded at fair value through earnings ranged from under $0.1 million to $0.9 million. The linear mean of each daily VaR was $0.4 million. The final VaR at September 30, 2014 was $0.6 million.

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We are exposed to fluctuations in the fair value of coal derivatives that we enter into to manage the price risk related to future coal sales, but for which we do not elect hedge accounting. Gains or losses on these derivative instruments would be largely offset in the pricing of the physical coal sale.  During the nine months ended September 30, 2014, VaR for our risk management positions that are recorded at fair value through earnings ranged from $0.1 million to $0.5 million. The linear mean of each daily VaR was $0.3 million. The final VaR at September 30, 2014 was $0.1 million.

We are also exposed to the risk of fluctuations in cash flows related to our purchase of diesel fuel. We expect to use approximately 57 to 67 million gallons of diesel fuel for use in our operations during 2014 and 2015. We enter into forward physical purchase contracts, as well as purchased heating oil options, to reduce volatility in the price of diesel fuel for our operations.  At September 30, 2014, we had protected the price of approximately 87% of our expected purchases for the remainder of 2014 and 83.0% of our 2015 purchases.  At September 30, 2014, we had purchased heating oil call options for approximately 69 million gallons for the purpose of managing the price risk associated with future diesel purchases. We also purchase heating oil call options to manage the price risk associated with fuel surcharges on barge and rail shipments, which cover increases in diesel fuel prices.  At September 30, 2014, we held purchased call options for approximately 1.3 million gallons for the purpose of managing the fluctuations in cash flows associated with fuel surcharges on future shipments.  These positions reduce our risk of cash flow fluctuations related to these surcharges but the positions are not accounted for as hedges.  A $0.25 per gallon decrease in the price of heating oil would not result in an increase in our expense related to the heating oil derivatives.

We are exposed to market risk associated with interest rates due to our existing level of indebtedness. At September 30, 2014, of our $5.2 billion principal amount of debt outstanding, approximately $1.9 billion of outstanding borrowings have interest rates that fluctuate based on changes in the market rates. An increase in the interest rates related to these borrowings of 25 basis points would not result in an annualized increase in interest expense based on interest rates in effect at September 30, 2014, because our term loan has a minimum interest rate that exceeds the current market rates.

Item 4.  Controls and Procedures.

We performed an evaluation under the supervision and with the participation of our management, including our chief executive officer and chief financial officer, of the effectiveness of the design and operation of our disclosure controls and procedures as of September 30, 2014.  Based on that evaluation, our management, including our chief executive officer and chief financial officer, concluded that the disclosure controls and procedures were effective as of such date. There were no changes in our internal control over financial reporting during the fiscal quarter to which this report relates that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II

OTHER INFORMATION

Item 1.  Legal Proceedings.

In addition to the following matters, we are involved in various claims and legal actions arising in the ordinary course of business, including employee injury claims. After conferring with counsel, it is the opinion of management that the ultimate resolution of these claims, to the extent not previously provided for, will not have a material adverse effect on our consolidated financial condition, results of operations or liquidity.

Permit Litigation Matters

Surface mines at our Mingo Logan and Coal-Mac mining operations were identified in an existing lawsuit brought by the Ohio Valley Environmental Coalition (OVEC) in the U.S. District Court for the Southern District of West Virginia as having

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been granted Clean Water Act § 404 permits by the Army Corps of Engineers (Corps), allegedly in violation of the Clean Water Act and the National Environmental Policy Act.  The lawsuit, brought by OVEC in September 2005, originally was filed against the Corps for permits it had issued to four subsidiaries of a company unrelated to us or our operating subsidiaries.  The suit claimed that the Corps had issued permits to the subsidiaries of the unrelated company that did not comply with the National Environmental Policy Act and violated the Clean Water Act.

The court ruled on the claims associated with those four permits in orders of March 23 and June 13, 2007.  In the first of those orders, the court rescinded the four permits, finding that the Corps had inadequately assessed the likely impact of valley fills on headwater streams and had relied on inadequate or unproven mitigation to offset those impacts.  In the second order, the court entered a declaratory judgment that discharges of sediment from the valley fills into sediment control ponds constructed in-stream to control that sediment must themselves be permitted under a different provision of the Clean Water Act, § 402, and meet the effluent limits imposed on discharges from these ponds.  Both of the district court rulings were appealed to the U.S. Court of Appeals for the Fourth Circuit.

Before the court entered its first order, the plaintiffs were permitted to amend their complaint to challenge the Coal-Mac and Mingo Logan permits.  Plaintiffs sought preliminary injunctions against both operations, but later reached agreements with our operating subsidiaries that have allowed mining to progress in limited areas while the district court’s rulings were on appeal.  The claims against Coal-Mac were thereafter dismissed.

In February 2009, the Fourth Circuit reversed the District Court.  The Fourth Circuit held that the Corps’ jurisdiction under Section 404 of the Clean Water Act is limited to the narrow issue of the filling of jurisdictional waters.  The court also held that the Corps’ findings of no significant impact under the National Environmental Policy Act and no significant degradation under the Clean Water Act are entitled to deference.  Such findings entitle the Corps to avoid preparing an environmental impact statement, the absence of which was one issue on appeal.  These holdings also validated the type of mitigation projects proposed by our operations to minimize impacts and comply with the relevant statutes.  Finally, the Fourth Circuit found that stream segments, together with the sediment ponds to which they connect, are unitary “waste treatment systems,” not “waters of the United States,” and that the Corps had not exceeded its authority in permitting them.

OVEC sought rehearing before the entire appellate court, which was denied in May 2009, and the decision was given legal effect in June 2009.  An appeal to the U.S. Supreme Court was then filed in August 2009.  On August 3, 2010 OVEC withdrew its appeal.

Mingo Logan filed a motion for summary judgment with the district court in July 2009, asking that judgment be entered in its favor because no outstanding legal issues remained for decision as a result of the Fourth Circuit’s February 2009 decision.  By a series of motions, the United States obtained extensions and stays of the obligation to respond to the motion in the wake of its letters to the Corps dated September 3 and October 16, 2009 (discussed below).  By order dated April 22, 2010, the District Court stayed the case as to Mingo Logan for the shorter of either six months or the completion of the U.S. Environmental Protection Agency’s (EPA) proposed action to deny Mingo Logan the right to use its Corps’ permit (as discussed below).

On October 15, 2010, the United States moved to extend the existing stay for an additional 120 days (until February 22, 2011) while the EPA Administrator reviewed the “Recommended Determination” issued by the EPA Region 3.  By Memorandum Opinion and Order dated November 2, 2010, the court granted the United States’ motion.  On January 13, 2011, the EPA issued its “Final Determination” to withdraw the specification of two of the three watersheds as a disposal site for dredged or fill material approved under the current Section 404 permit.  The court was notified of the Final Determination and by order dated March 21, 2011 stayed further proceedings in the case until further order of the court, in light of the challenge to the EPA’s “Final Determination” then pending in federal court in Washington, DC.

In a Memorandum and Opinion and separate Order, each dated March 23, 2012, the federal court granted Mingo Logan’s motion for summary judgment, vacated EPA’s Final Determination and found valid and in full force Mingo Logan’s

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Section 404 permit.  As described more fully below, EPA appealed that order to the United States Court of Appeals for the DC circuit and by Opinion of the Court dated April 23, 2013, the court reversed the lower court’s order and remanded the matter to the district court for further proceedings.

On April 5, 2012, Mingo Logan moved to lift the stay referenced above.  On June 5, 2012, the Court entered an order lifting the stay and allowing the case to proceed on Mingo Logan’s Motion for Summary Judgment.  Shortly thereafter, OVEC filed a motion for leave to file a seventh amended and supplemental complaint seeking to update existing counts and raising two new claims (one, to enforce EPA’s “Final Determination” and, the other, that the Corps’ refusal to prepare a Supplemental Environmental Impact Statement violates the APA and NEPA).  By Memorandum, Opinion and Order dated July 25, 2012; the Court granted OVEC’s motion and directed the Clerk to file OVEC’s Seventh Amended and Supplemental Complaint.  Mingo Logan filed its Motion for Summary Judgment on August 31, 2012, along with its Answer to the Seventh Amended and Supplemental Complaint and the matter remains pending before the Court.

EPA Actions Related to Water Discharges from the Spruce Permit

By letter of September 3, 2009, the EPA asked the Corps of Engineers to suspend, revoke or modify the existing permit it issued in January 2007 to Mingo Logan under Section 404 of the Clean Water Act, claiming that “new information and circumstances have arisen which justify reconsideration of the permit.”  By letter of September 30, 2009, the Corps of Engineers advised the EPA that it would not reconsider its decision to issue the permit.  By letter of October 16, 2009, the EPA advised the Corps that it has “reason to believe” that the Mingo Logan mine will have “unacceptable adverse impacts to fish and wildlife resources” and that it intends to issue a public notice of a proposed determination to restrict or prohibit discharges of fill material that already are approved by the Corps’ permit.  By federal register publication dated April 2, 2010, the EPA issued its “Proposed Determination to Prohibit, Restrict or Deny the Specification, or the Use for Specification of an Area as a Disposal Site:  Spruce No. 1 Surface Mine, Logan County, WV” pursuant to Section 404(c) of the Clean Water Act, the EPA accepted written comments on its proposed action (sometimes known as a “veto proceeding”), through June 4, 2010 and conducted a public hearing, as well, on May 18, 2010.  We submitted comments on the action during this period.  On September 24, 2010, the EPA Region 3 issued a “Recommended Determination” to the EPA Administrator recommending that the EPA prohibit the placement of fill material in two of the three watersheds for which filling is approved under the current Section 404 permit.  Mingo Logan, along with the Corps, West Virginia DEP and the mineral owner, engaged in a consultation with the EPA as required by the regulations, to discuss “corrective action” to address the “unacceptable adverse effects” identified.  On January 13, 2011, the EPA issued its “Final Determination” pursuant to Section 404(c) of the Clean Water Act to withdraw the specification of two of the three watersheds approved in the current Section 404 permit as a disposal site for dredged or fill material.  By separate action, Mingo Logan sued the EPA on April 2, 2010 in federal court in Washington, D.C. seeking a ruling that the EPA has no authority under the Clean Water Act to veto a previously issued permit (Mingo Logan Coal Company, Inc. v. USEPA, No. 1:10-cv-00541(D.D.C.)).  The EPA moved to dismiss that action, and we responded to that motion.

Pursuant to a scheduling order for summary disposition of the case, motions and cross-motions for summary judgment by both parties were filed.  On November 30, 2011, the court heard arguments from the parties limited only to the threshold issue of whether the EPA had the authority under Section 404(c) of the Clean Water Act to withdraw the specification of the disposal site after the Corps had already issued a permit under Section 404(a).  The court deferred consideration of the remaining issue (i.e. whether the EPA’s “Final Determination” is otherwise lawful) until after consideration of the threshold issue.  On March 23, 2012, the court entered an Order and a Memorandum Opinion granting Mingo Logan’s motion for summary judgment, denying the EPA’s cross-motion for summary judgment, vacating the Final Determination and ordering that Mingo Logan’s Section 404 permit remains valid and in full force.

On May 11, 2012, the EPA filed a notice of appeal to the United States Court of Appeals for the District of Columbia Circuit.  The court heard oral arguments on March 14, 2013.  By opinion of the court filed on April 23, 2013, the court reversed the district court on the threshold issue and remanded the matter to the district court to address the merits of our APA challenge

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to the Final Determination.  On June 6, 2013, Mingo Logan filed a Petition for Rehearing En Banc and by Order filed July 25, 2013, the court denied the petition.

On November 13, 2013, Mingo Logan filed a Petition for Writ of Certiorari with the Supreme Court of the United States seeking review of the DC Circuit’s decision.  On March 24, 2014, the Supreme Court denied Mingo Logan’s Petition for Writ of Certiorari and remanded the matter to the federal district court for the District of Columbia for further consideration on the merits of the Final Determination.  On September 30, 2014, the court entered an opinion and order denying Mingo Logan’s motion for summary judgment and granting the government’s motion for summary judgment.  The court upheld the Final Determination finding that EPA’s decision to withdraw the specifications for filling in Oldhouse Branch and Pigeonroost Branch under Mingo Logan’s Section 404 permit was not arbitrary and capricious.  The Company is weighing its options related to any further appeal.

Allegheny Energy Contract Matter

Allegheny Energy Supply (“Allegheny”), the sole customer of coal produced at our subsidiary Wolf Run Mining Company’s (“Wolf Run”) Sycamore No. 2 mine, filed a lawsuit against Wolf Run, Hunter Ridge Holdings, Inc. (“Hunter Ridge”), and ICG in state court in Allegheny County, Pennsylvania on December 28, 2006, and amended its complaint on April 23, 2007. Allegheny claimed that Wolf Run breached a coal supply contract when it declared force majeure under the contract upon idling the Sycamore No. 2 mine in the third quarter of 2006, and that Wolf Run continued to breach the contract by failing to ship in volumes referenced in the contract.  The Sycamore No. 2 mine was idled after encountering adverse geologic conditions and abandoned gas wells that were previously unidentified and unmapped.

After extensive searching for gas wells and rehabilitation of the mine, it was re-opened in 2007, but with notice to Allegheny that it would necessarily operate at reduced volumes in order to safely and effectively avoid the many gas wells within the reserve.  The amended complaint also alleged that the production stoppages constitute a breach of the guarantee agreement by Hunter Ridge and breach of certain representations made upon entering into the contract in early 2005.  Allegheny voluntarily dropped the breach of representation claims later.  Allegheny claimed that it would incur costs in excess of $100 million to purchase replacement coal over the life of the contract.  ICG, Wolf Run and Hunter Ridge answered the amended complaint on August 13, 2007, disputing all of the remaining claims.

On November 3, 2008, ICG, Wolf Run and Hunter Ridge filed an amended answer and counterclaim against the plaintiffs seeking to void the coal supply agreement due to, among other things, fraudulent inducement and conspiracy.  On September 23, 2009, Allegheny filed a second amended complaint alleging several alternative theories of liability in its effort to extend contractual liability to ICG, which was not a party to the original contract and did not exist at the time Wolf Run and Allegheny entered into the contract.  No new substantive claims were asserted.  ICG answered the second amended complaint on October 13, 2009, denying all of the new claims.  The Company’s counterclaim was dismissed on motion for summary judgment entered on May 11, 2010.  Allegheny’s claims against ICG were also dismissed by summary judgment, but the claims against Wolf Run and Hunter Ridge were not.  The court conducted a non-jury trial of this matter beginning on January 10, 2011 and concluding on February 1, 2011.

At the trial, Allegheny presented its evidence for breach of contract and claimed that it is entitled to past and future damages in the aggregate of between $228 million and $377 million.  Wolf Run and Hunter Ridge presented their defense of the claims, including evidence with respect to the existence of force majeure conditions and excuse under the contract and applicable law.  Wolf Run and Hunter Ridge presented evidence that Allegheny’s damages calculations were significantly inflated because it did not seek to determine damages as of the time of the breach and in some instances artificially assumed future nondelivery or did not take into account the apparent requirement to supply coal in the future.  On May 2, 2011, the trial court entered a Memorandum and Verdict determining that Wolf Run had breached the coal supply contract and that the performance shortfall was not excused by force majeure.  The trial court awarded total damages and interest in the amount of $104.1 million, which consisted of $13.8 million for past damages, and $90.3 million for future damages.  ICG and Allegheny filed post-verdict

42

motions in the trial court and on August 23, 2011, the court denied the parties’ motions.  The court entered a final judgment on August 25, 2011, in the amount of $104.1 million, which included pre-judgment interest.

The parties appealed the lower court’s decision to the Superior Court of Pennsylvania.  On August 13, 2012, the Superior Court of Pennsylvania affirmed the award of past damages, but ruled that the lower court should have calculated future damages as of the date of breach, and remanded the matter back to the lower court with instructions to recalculate that portion of the award. On November 19, 2012, Allegheny filed a Petition for Allowance of Appeal with the Supreme Court of Pennsylvania and Wolf Run and Hunter Ridge filed an Answer.  On July 2, 2013, the Supreme Court of Pennsylvania denied the Petition of Allowance.  As this action finalized the past damage award, Wolf Run paid $15.6 million for the past damage amount, including interest, to Allegheny in July 2013.   Testimony on the future damage award in the lower court concluded on May 19, 2014, and post-trial briefs and responses were submitted on August 8, 2014.  The court held a hearing on this matter on November 5, 2014 and the parties are awaiting further determination by the court.

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

In September 2006, our board of directors authorized a share repurchase program for the purchase of up to 14,000,000 shares of our common stock. There is no expiration date on the current authorization, and we have not made any decisions to suspend or cancel purchases under the program. As of September 30, 2014, there were 10,920,463 shares of our common stock available for purchase under this program. We did not purchase any shares of our common stock under this program during the quarter ended September 30, 2014. Based on the closing price of our common stock as reported on the New York Stock Exchange on October 31, 2014, the approximate dollar value of our common stock that may yet be purchased under this program was $23.6 million.

In addition to the share repurchase program described above, the following reflects shares withheld upon vesting of restricted stock for minimum tax withholding obligations.  While we have no announced plan or program with respect to withholding of shares upon vesting of restricted stock, we intend to continue to allow participants to satisfy statutory minimum tax withholding obligations in connection with the vesting of outstanding restricted stock through the withholding of shares.

Period	Total Number of Shares Purchased	Average Price Paid per Share
July 2014	5,337	$	2.86
August 2014	—	—
September 2014	—	—
Total	5,337	$	2.86

Item 4.  Mine Safety Disclosures.

The statement 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 to this Quarterly Report on Form 10-Q for the period ended September 30, 2014.

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Item 6.  Exhibits.

12.1	Computation of ratio of earnings to combined fixed charges and preference dividends.
31.1	Rule 13a-14(a)/15d-14(a) Certification of John W. Eaves.
31.2	Rule 13a-14(a)/15d-14(a) Certification of John T. Drexler.
32.1	Section 1350 Certification of John W. Eaves.
32.2	Section 1350 Certification of John T. Drexler.
95.0	Mine Safety Disclosure Exhibit.
101.0	Interactive Data File (Form 10-Q for the three months ended September 30. 2014 filed in XBRL). The financial information contained in the XBRL-related documents is “unaudited” and “unreviewed.”

Signatures

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

Arch Coal, Inc.
By:	/s/ John T. Drexler
	John T. Drexler
	Senior Vice President and Chief Financial Officer (On behalf of the registrant and as Principal Financial Officer)
	November 7, 2014

44

EX-12.1

Exhibit 12.1

Computation of Ratio of Earnings to Combined Fixed Charges and Preference Dividends

	Nine Months Ended September 30,
	2014			2013
Loss from continuing operations excluding income or loss from equity investments	$	(437,790	)	$	(609,505	)
Adjustments:
Fixed charges	301,131			304,935
Distributed income from equity investments	9,514			5,342
Capitalized interest, net of amortization	3,637			(9,415		)
Total loss	$	(123,508	)	$	(308,643	)
Fixed charges:
Interest expense	$	292,648		$	285,455
Capitalized interest	—			11,815
Portions of rent which represent an interest factor	8,483			7,665
Total fixed charges	$	301,131		$	304,935
Preferred stock dividends	$	—		$	—
Total fixed charges and preferred stock dividends	$	301,131		$	304,935
Ratio of earnings to combined fixed charges and preference dividends	N/A			N/A

Total loss consists of loss from continuing operations before income taxes and are adjusted to include only distributed income from affiliates accounted for on the equity method and fixed charges (excluding capitalized interest).  Fixed charges consist of interest incurred on indebtedness, the portion of operating lease rentals deemed representative of the interest factor and the amortization of debt expense.

EX-31.1

Exhibit 31.1

Certification

I, John W. Eaves, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Arch Coal, Inc.;

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(s) 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(s) 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.

/s/ John W. Eaves

John W. Eaves

President and Chief Executive Officer

Date: November 7, 2014

EX-31.2

Exhibit 31.2

Certification

I, John T. Drexler, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Arch Coal, Inc.;

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(s) 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(s) 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.

/s/ John T. Drexler

John T. Drexler

Senior Vice President and Chief Financial Officer

Date: November 7, 2014

EX-32.1

Exhibit 32.1

Certification of Periodic Financial Reports

I, John W. Eaves, President and Chief Executive Officer of Arch Coal, Inc., certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)the Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2014 (the “Periodic Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Arch Coal, Inc.

/s/ John W. Eaves

John W. Eaves

President and Chief Executive Officer

Date: November 7, 2014

EX-32.2

Exhibit 32.2

Certification of Periodic Financial Reports

I, John T. Drexler, Senior Vice President and Chief Financial Officer of Arch Coal, Inc., certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)the Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2014 (the “Periodic Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Arch Coal, Inc.

/s/ John T. Drexler

John T. Drexler

Senior Vice President and Chief Financial Officer

Date: November 7, 2014

EX-95

EXHIBIT 95

Mine Safety and Health Administration Safety Data

We believe that Arch Coal, Inc. (“Arch Coal”) is one of the safest coal mining companies in the world.  Safety is a core value at Arch Coal and at our subsidiary operations.  We have in place a comprehensive safety program that includes extensive health & safety training for all employees, site inspections, emergency response preparedness, crisis communications training, incident investigation, regulatory compliance training and process auditing, as well as an open dialogue between all levels of employees.  The goals of our processes are to eliminate exposure to hazards in the workplace, ensure that we comply with all mine safety regulations, and support regulatory and industry efforts to improve the health and safety of our employees along with the industry as a whole.

The operation of our mines is subject to regulation by the Federal Mine Safety and Health Administration (MSHA) under the Federal Mine Safety and Health Act of 1977 (Mine Act).  MSHA inspects our mines on a regular basis and issues various citations, orders and violations when it believes a violation has occurred under the Mine Act.  We present information below regarding certain mining safety and health violations, orders and citations, issued by MSHA and related assessments and legal actions and mine-related fatalities with respect to our coal mining operations.  In evaluating the above information regarding mine safety and health, investors should take into account factors such as:  (i) the number of citations and orders will vary depending on the size of a coal mine, (ii) the number of citations issued will vary from inspector to inspector and mine to mine, and (iii) citations and orders can be contested and appealed, and in that process are often reduced in severity and amount, and are sometimes dismissed or vacated.

The table below sets forth for the three months ended September 30, 2014 for each active MSHA identification number of Arch Coal and its subsidiaries, the total number of:  (i) violations of mandatory health or safety standards that could significantly and substantially contribute to the cause and effect of a coal or other mine safety or health hazard under section 104 of the Mine Act for which the operator received a citation from MSHA; (ii) orders issued under section 104(b) of the Mine Act; (iii) citations and orders for unwarrantable failure of the mine operator to comply with mandatory health or safety standards under section 104(d) of the Mine Act; (iv) flagrant violations under section 110(b)(2) of the Mine Act; (v) imminent danger orders issued under section 107(a) of the Mine Act; (vi) proposed assessments from MHSA (regardless of whether Arch Coal has challenged or appealed the assessment); (vii) mining-related fatalities; (viii) notices from MSHA of a pattern of violations of mandatory health or safety standards that are of such nature as could have significantly and substantially contributed to the cause and effect of coal or other mine health or safety hazards under section 104(e) of the Mine Act; (ix) notices from MSHA regarding the potential to have a pattern of violations as referenced in (viii) above; and (x) pending legal actions before the Federal Mine Safety and Health Review Commission (as of September 30, 2014) involving such coal or other mine, as well as the aggregate number of legal actions instituted and the aggregate number of legal actions resolved during the reporting period.

1

Mine or Operating Name / MSHA Identification Number	Section 104 S&S Citations (#)	Section 104(b) Orders (#)	Section 104(d) Citations and Orders (#)	Section 110(b)(2) Violations (#)	Section 107(a) Orders (#)	Total Dollar Value of MSHA Assessments Proposed (in thousands) ($)	Total Number of Mining Related Fatalities (#)	Received Notice of Pattern of Violations Under Section 104(e) (yes/no)	Received Notice of Potential to Have Pattern of Violations Under Section 104(e) (yes/no)	Legal Actions Initiated During  Period (#)	Legal Actions Resolved During Period (#)	Legal Actions Pending as of Last Day of Period(1) (#)
	Active Operations
Arch Coal Terminal / 15-10358	—	—	—	—	—	—	—	No	No	—	—	—
Lone Mountain Darby Fork / 15-02263	2	—	—	—	—	8.8	—	No	No	1	—	2
Lone Mountain Clover Fork / 15-18647	17	—	—	—	—	4.8	—	No	No	1	2	1
Lone Mountain Huff Creek / 15-17234	5	—	—	—	—	163.6	—	No	No	—	1	4
Lone Mountain 6C Mine / 44-06782	1	—	—	—	—	0.1	—	No	No	—	—	—
Lone Mountain Processing / 44-05898	—	—	—	—	—	—	—	No	No	—	—	—
East Kentucky Sandlick Loadout / 15-16290	—	—	—	—	—	—	—	No	No	—	—	—
East Kentucky Mt. Sterling Branch / 15-19070	—	—	—	—	—	—	—	No	No	—	—	—
East Kentucky Blackberry Creek / 15-17960	—	—	—	—	—	—	—	No	No	—	—	—
Powell Mt. Mayflower Plant / 44-05605	—	—	—	—	—	—	—	No	No	—	—	—
Powell Mt. Mine #1 / 15-18734	—	—	—	—	—	0.4	—	No	No	—	—	—
Powell Mt. Middle Splint / 44-07207	—	—	—	—	—	—	—	No	No	—	—	—
Knott County Raven #1 / 15-18949	—	—	—	—	—	0.2	—	No	No	—	—	—
Knott County Slone Branch / 15-19323	—	—	—	—	—	—	—	No	No	—	—	—
Knott County Raven Prep Plant / 15-17724	—	—	—	—	—	—	—	No	No	—	—	—
Knott County Lige Hollow / 15-19497	—	—	—	—	—	—	—	No	No	—	—	—
Knott County Kathleen / 15-19447	—	—	—	—	—	—	—	No	No	—	—	—

2

Knott County Supreme Energy Prep Plant / 15-16567	—	—	—	—	—	—	—	No	No	—	—	—
Knott County Classic Mine / 15-18522	—	—	—	—	—	—	—	No	No	—	—	—
Vindex Cabin Run / 18-00133	1	—	—	—	—	—	—	No	No	—	—	—
Vindex Frostburg Blend Yard / 18-00709	—	—	—	—	—	—	—	No	No	—	—	—
Vindex Douglas / 18-00749	—	—	—	—	—	0.2	—	No	No	—	—	—
Vindex Carlos Surface / 18-00769	—	—	—	—	—	—	—	No	No	—	—	1
Vindex Bismarck / 46-09369	—	—	—	—	—	0.2	—	No	No	—	—	2
Vindex Dobbin Ridge Prep Plant / 46-07837	—	—	—	—	—	—	—	No	No	—	—	—
Vindex Energy / 46-02151	—	—	—	—	—	—	—	No	No	—	—	—
Vindex Jackson Mt. / 18-00170	—	—	—	—	—	—	—	No	No	—	—	—
Vindex Wolf Den Run / 18-00790	—	—	—	—	—	—	—	No	No	—	—	—
Cumberland River Pardee Plant / 44-05014	1	—	—	—	—	0.6	—	No	No	—	—	—
Cumberland River Band Mill Mine / 44-06816	—	—	—	—	—	0.3	—	No	No	1	—	2
Cumberland River Pine Branch #1 / 44-07224	1	—	—	—	—	33.7	—	No	No	2	—	16
Cumberland River Blue Ridge Surface / 15-18769	—	—	—	—	—	—	—	No	No	—	—	—
Cumberland River Band Mill #2 / 15-18705	—	—	—	—	—	—	—	No	No	—	—	—
Cumberland River Trace Fork #1 / 15-19533	1	—	—	—	—	21.5	—	No	No	3	1	8
Cumberland River Blue Ridge #1 / 15-19228	—	—	—	—	—	—	—	No	No	—	—	—
Beckley Eccles Refuse Area / 46-09023	—	—	—	—	—	—	—	No	No	—	—	—
Beckley Pocahontas Mine / 46-05252	11	—	—	—	—	143.3	—	No	No	5	3	16
Beckley Pocahontas Plant / 46-09216	—	—	—	—	—	—	—	No	No	—	—	—
Wolf Run Sawmill Run Prep Plant / 46-05544	—	—	—	—	—	—	—	No	No	—	—	—
Wolf Run Imperial Mine / 46-09115	—	—	—	—	—	0.1	—	No	No	—	—	6
Upshur Complex / 46-05823	—	—	—	—	—	—	—	No	No	—	—	—

3

Patriot Mining Company / 46-07654	—	—	—	—	—	—	—	No	No	—	—	—
Patriot Rail & River Terminal / 46-07555	—	—	—	—	—	—	—	No	No	—	—	—
Eastern Birch River Mine / 46-07945	—	—	—	—	—	—	—	No	No	—	—	—
Eastern Bearpen Surface Mine / 46-09220	—	—	—	—	—	—	—	No	No	—	—	—
Eastern Left Fork #1 / 46-09373	—	—	—	—	—	—	—	No	No	—	—	—
Eastern Birch River Plant / 46-08390	—	—	—	—	—	—	—	No	No	—	—	—
Coal Mac Holden #22 Prep Plant / 46-05909	—	—	—	—	—	0.5	—	No	No	—	—	—
Coal Mac Ragland Loadout / 46-08563	—	—	—	—	—	0.1	—	No	No	—	—	—
Coal Mac Holden #22 Surface / 46-08984	2	—	—	—	—	—	—	No	No	—	—	—
Sentinel Mine / 46-04168	18	—	—	—	—	188.2	—	No	No	1	—	8
Sentinel Prep Plant / 46-08777	1	—	—	—	—	0.4	—	No	No	—	—	—
Mingo Logan Mountaineer II / 46-09029	17	—	—	—	—	91.7	—	No	No	4	3	19
Mingo Logan Cardinal Prep Plant / 46-09046	—	—	—	—	—	0.8	—	No	No	1	—	2
Leer #1 Mine / 46-09192	49	1	1	—	—	140.1	—	No	No	2	1	16
Arch of Wyoming Seminoe II / 48-00828	—	—	—	—	—	—	—	No	No	—	—	—
Arch of Wyoming Elk Mountain / 48-01694	—	—	—	—	—	—	—	No	No	—	—	—
Black Thunder / 48-00977	—	—	—	—	—	79.4	—	No	No	2	—	12
Coal Creek / 48-01215	1	—	—	—	—	—	—	No	No	—	—	1
West Elk Mine / 05-03672	8	—	—	—	—	73.5	—	No	No	2	—	2
Viper Mine / 11-02664	12	—	—	—	—	13.3	—	No	No	1	—	6
Lone Mountain Days Creek / 15-17971	1	—	—	—	—	—	—	No	No	—	—	—
Leer #1 Prep Plant / 46-09191	—	—	—	—	—	—	—	No	No	—	—	—
Holden #25 / 46-02435	—	—	—	—	—	—	—	No	No	—	—	—
Vindex – Steyer Mine / 18-00724	—	—	—	—	—	—	—	No	No	—	—	—
Daniel Hollow / 46-09047	—	—	—	—	—	0.3	—	No	No	1	—	1

4

(1)See table below for additional details regarding Legal Actions Pending as of September 30, 2014.

Mine or Operating Name/MSHA  Identification Number	Contests of Citations, Orders (as of September 30, 2014)	Contests of Proposed Penalties (as of September 30, 2014)	Complaints for Compensation (as of September 30, 2014)	Complaints of Discharge, Discrimination or Interference (as of September 30, 2014)	Applications for Temporary Relief (as of September 30, 2014)	Appeals of Judges’ Decisions or Orders (as of September 30, 2014)
Lone Mountain Clover Fork / 15-18647	—	—	—	1	—	—
Cumberland River / Trace Fork 15-19533	1	7	—	—	—	—
Vindex Bismarck / 46-09369	—	2	—	—	—	—
Beckley Pocahontas Mine / 46-05252	—	16	—	—	—	—
Wolf Run Imperial Mine / 46-09115	—	6	—	—	—	—
Sentinel Mine / 46-04168	—	8	—	—	—	—
Mingo Logan Mountaineer II / 46-09029	—	19	—	—	—	—
Black Thunder / 48-00977	2	10	—	—	—	—
Viper Mine / 11-02664	—	6	—	—	—	—
Cumberland River Pine Branch #1 / 44-07224	3	13	—	—	—	—
Leer #1 / 46-09192	—	15	—	1	—	—
Cumberland River Band Mill / 44-06816	—	2	—	—	—	—
Vindex Carlos Surface / 18-00769	—	1	—	—	—	—
Lone Mountain Huff Creek / 15-17234	3	1	—	—	—	—
Lone Mountain Darby Fork / 15-02263	—	2	—	—	—	—
Mingo Logan Cardinal Prep Plant / 46-09046	—	2	—	—	—	—
Daniel Hollow / 46-09047	—	1	—	—	—	—
Coal Creek / 48-01215	—	1	—	—	—	—
West Elk / 05-03672	—	2	—	—	—	—

5

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Divestitures (Asset and Liabilities of Divested Operations) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Inventory	$ 33,283
Assets of Disposal Group, Including Discontinued Operation, Current	1,032
Disposal Group, Including Discontinued Operation, Property, Plant, and Equipment, Net	104,587
Assets of Disposal Group, Including Discontinued Operation, Noncurrent	139
Liabilities of Disposal Group, Including Discontinued Operation, Current	13,005
Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent	$ 24,276

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Fair Value Measurements (Summary Of Financial Assets And Liabilities Accounted For At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:
Investments in marketable securities	$ 261,985	$ 264,443
Derivatives	17,082	19,954
Total assets	279,067
Liabilities, Fair Value Disclosure, Recurring	56
Derivative Liability	56	12
Level 1 [Member]
Assets:
Investments in marketable securities	12,918
Derivatives	12,144
Total assets	25,062
Liabilities, Fair Value Disclosure, Recurring
Level 2 [Member]
Assets:
Investments in marketable securities	249,067
Derivatives	392
Total assets	249,459
Liabilities, Fair Value Disclosure, Recurring	49
Level 3 [Member]
Assets:
Investments in marketable securities
Derivatives	4,546
Total assets	4,546
Liabilities, Fair Value Disclosure, Recurring	$ 7

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Derivatives (Net Derivatives As Reflected On The Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Net derivatives as classified in the balance sheet	$ 17,026	$ 19,942
Heating Oil [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Net derivatives as classified in the balance sheet	1,440	5,103
Coal Contract [Member] | Coal Derivative Assets [Member]
Derivatives, Fair Value [Line Items]
Net derivatives as classified in the balance sheet	15,642	14,851
Coal Contract [Member] | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Net derivatives as classified in the balance sheet	$ (56)	$ (12)

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Fair Value Measurements (Summary Of Change In The Fair Values Of Financial Instruments Categorized As Level 3) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 6,037	$ 4,946
Realized and unrealized losses recognized in earnings, net	(2,131)	(4,851)
Purchases	1,080	4,891
Issuances	(447)	(447)
Ending balance	$ 4,539	$ 4,539

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Derivatives (Schedule of Price Risk Derivatives) (Details)	Sep. 30, 2014 T
Coal sales [Member]
Derivative [Line Items]
Derivatives Held	3,656,000
Coal purchases [Member]
Derivative [Line Items]
Derivatives Held	1,576,000
Year One, Remainder [Member] | Coal sales [Member]
Derivative [Line Items]
Derivatives Held	1,156,000
Year One, Remainder [Member] | Coal purchases [Member]
Derivative [Line Items]
Derivatives Held	751,000
Year Two [Member] | Coal sales [Member]
Derivative [Line Items]
Derivatives Held	2,340,000
Year Two [Member] | Coal purchases [Member]
Derivative [Line Items]
Derivatives Held	825,000
Year Three [Member] | Coal sales [Member]
Derivative [Line Items]
Derivatives Held	160,000
Year Three [Member] | Coal purchases [Member]
Derivative [Line Items]
Derivatives Held	0

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Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Pension and Other Postretirement Benefit Expense [Abstract]

Pension Benefit Costs

The following table details the components of pension benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	4,910		$	6,672		$	16,311		$	21,162
Interest cost	4,278			3,994			12,834			11,796
Expected return on plan assets	(5,929		)	(5,848		)	(17,786		)	(17,690		)
Curtailments	1,504			47			1,504			47
Amortization of prior service costs (credits)	(51		)	(51		)	(158		)	(152		)
Amortization of other actuarial losses	741			3,617			2,221			12,430
Net benefit cost	$	5,453		$	8,431		$	14,926		$	27,593

The following table details the components of other postretirement benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	383		$	497		$	1,267		$	1,591
Interest cost	460			427			1,381			1,273
Curtailments	—			(5,444		)	—			(5,444		)
Amortization of prior service credits	(2,500		)	(2,641		)	(7,502		)	(8,121		)
Amortization of other actuarial losses (gains)	(191		)	(55		)	(571		)	(53		)
Net benefit credit	$	(1,848	)	$	(7,216	)	$	(5,425	)	$	(10,754	)

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Employee Benefit Plans (Pension And Other Postretirement Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 4,910	$ 6,672	$ 16,311	$ 21,162
Interest cost	4,278	3,994	12,834	11,796
Expected return on plan assets	(5,929)	(5,848)	(17,786)	(17,690)
Defined Benefit Plan, Curtailments	1,504	47	1,504	47
Amortization of prior service cost (credit)	(51)	(51)	(158)	(152)
Amortization of other actuarial (gains) losses	741	3,617	2,221	12,430
Net benefit cost	5,453	8,431	14,926	27,593
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	383	497	1,267	1,591
Interest cost	460	427	1,381	1,273
Defined Benefit Plan, Curtailments	0	(5,444)	0	(5,444)
Amortization of prior service cost (credit)	(2,500)	(2,641)	(7,502)	(8,121)
Amortization of other actuarial (gains) losses	(191)	(55)	(571)	(53)
Net benefit cost	$ (1,848)	$ (7,216)	$ (5,425)	$ (10,754)

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Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following items are included in accumulated other comprehensive income ("AOCI"):

				Pension,
				Postretirement
				and Other						Accumulated
				Post-						Other
	Derivative			Employment			Available-for-			Comprehensive
	Instruments			Benefits			Sale Securities			Income
	(In thousands)
Balance at December 31, 2013	$	565		$	31,112		$	6,015		$	37,692
Unrealized gains (losses)	1,692			—			(4,775		)	(3,083		)
Amounts reclassified from AOCI	(861		)	(3,409		)	1,167			(3,103		)
Balance at September 30, 2014	$	1,396		$	27,703		$	2,407		$	31,506

Schedule of comprehensive income reclassifications

The following amounts were reclassified out of AOCI:

	Amounts Reclassified from AOCI												Line Item in the
	Three Months Ended September 30,						Nine Months Ended September 30,						Condensed Consolidated
Details About AOCI Components	2014			2013			2014			2013			Statement of Operations
	(In thousands)
Derivative instruments	$	892		$	692		$	1,346		$	2,093		Revenues
	(321		)	(249		)	(485		)	(754		)	Benefit from income taxes
	$	571		$	443		$	861		$	1,339		Net of tax
Pension, postretirement and other post-employment benefits
Amortization of prior service credits (1)	$	1,759		$	5,573		$	6,976		$	11,154
Amortization of actuarial gains (losses), net (1)	(550		)	(3,823		)	(1,650		)	(13,108		)
	1,209			1,750			5,326			(1,954		)
	(435		)	(631		)	(1,917		)	702			Benefit from income taxes
	$	774		$	1,119		$	3,409		$	(1,252	)	Net of tax
Available-for-sale securities (2)	$	(145	)	$	(4	)	$	(1,824	)	$	(313	)	Interest and investment income
	53			2			657			113			Benefit from income taxes
	$	(92	)	$	(2	)	$	(1,167	)	$	(200	)	Net of tax
1 Production-related benefits and workers' compensation costs are included in inventoriable production costs.
2 The gains and losses on sales of available-for-sale-securities are determined on a specific identification basis.

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Accrued Expenses and Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Payables and Accruals [Abstract]
Payroll and employee benefits	$ 72,116	$ 67,621
Taxes other than income taxes	114,183	114,664
Interest	77,564	18,528
Acquired sales contracts	12,690	14,373
Workers’ compensation	16,085	12,434
Asset retirement obligations	22,681	24,940
Other	27,390	26,027
Accrued Liabilities, Current	$ 342,709	$ 278,587

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Inventories (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Inventory [Line Items]
Coal	$ 83,708,000	$ 117,531,000
Repair parts and supplies	125,951,000	137,497,000
Work-in-process	0	9,133,000
Inventories	209,659,000	264,161,000
Allowance for slow-moving and obsolete inventories	$ 8,700,000	$ 8,400,000

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Accumulated Other Comprehensive Income (Schedule of Reclassifications) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Revenues	$ 742,180	$ 791,269	$ 2,191,927	$ 2,294,971
Benefit from income taxes	34,350	121,913	112,830	230,734
Net loss	(97,218)	(128,363)	(318,217)	(270,618)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Revenues	892	692	1,346	2,093
Benefit from income taxes	(321)	(249)	(485)	(754)
Net loss	571	443	861	1,339
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension, Postretirement and Other Postemployment Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of prior service credits (1)	1,759	5,573	6,976	11,154
Amortization of actuarial gains (losses), net (1)	(550)	(3,823)	(1,650)	(13,108)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax	1,209	1,750	5,326	(1,954)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Tax Portion	(435)	(631)	(1,917)	702
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent	774	1,119	3,409	(1,252)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest and investment income	(145)	(4)	(1,824)	(313)
Benefit from income taxes	53	2	657	113
Net loss	$ (92)	$ (2)	$ (1,167)	$ (200)

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Income Taxes (Narrative) (Details) (Valuation Allowance, Operating Loss Carryforwards [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Valuation Allowance, Operating Loss Carryforwards [Member]
Valuation Allowance [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 15.8	$ 57.9

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Supplemental Consolidating Financial Information (Schedule Of Condensed Consolidating Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Revenues	$ 742,180	$ 791,269	$ 2,191,927	$ 2,294,971
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	647,096	688,712	1,955,547	1,994,653
Depreciation, depletion and amortization	105,155	106,323	312,042	327,601
Amortization of acquired sales contracts, net	(3,013)	(2,568)	(9,948)	(7,587)
Change in fair value of coal derivatives and coal trading activities, net	(3,733)	9,753	(5,811)	2,053
Asset impairment and mine closure costs	5,060	200,397	6,572	220,879
Selling, general and administrative expenses	28,136	28,800	87,203	96,311
Other operating income, net	(1,221)	(5,395)	(9,451)	(16,476)
Total operating expenses	777,480	1,026,022	2,336,154	2,617,434
Loss from investment in subsidiaries
Loss from operations	(35,300)	(234,753)	(144,227)	(322,463)
Interest expense, net
Interest expense	(98,217)	(95,624)	(292,648)	(285,454)
Interest and investment income	1,949	697	5,828	4,749
Interest expense, net	(96,268)	(94,927)	(286,820)	(280,705)
Loss from continuing operations before income taxes	(131,568)	(329,680)	(431,047)	(603,168)
Benefit from income taxes	(34,350)	(121,913)	(112,830)	(230,734)
Loss from continuing operations	(97,218)	(207,767)	(318,217)	(372,434)
Income from discontinued operations, net of tax	0	79,404	0	101,816
Net loss	(97,218)	(128,363)	(318,217)	(270,618)
Total comprehensive income (loss)	(99,197)	(125,996)	(324,403)	(262,717)
Parent/Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	2,442	169	9,378	4,881
Depreciation, depletion and amortization	1,175	1,549	3,993	4,430
Amortization of acquired sales contracts, net	0	0	0	0
Change in fair value of coal derivatives and coal trading activities, net		0	0	0
Asset impairment and mine closure costs	0	57,668	1,512	78,150
Selling, general and administrative expenses	19,542	19,104	61,216	63,006
Other operating income, net	1,562	2,345	1,272	(4,663)
Total operating expenses	24,721	80,835	77,371	145,804
Loss from investment in subsidiaries	2,005	(61,537)	(30,839)	(42,199)
Loss from operations	(22,716)	(142,372)	(108,210)	(188,003)
Interest expense, net
Interest expense	(116,742)	(114,536)	(346,481)	(336,310)
Interest and investment income	7,872	6,606	23,598	22,917
Interest expense, net	(108,870)	(107,930)	(322,883)	(313,393)
Loss from continuing operations before income taxes	(131,586)	(250,302)	(431,093)	(501,396)
Benefit from income taxes	(34,368)	(121,939)	(112,876)	(230,778)
Loss from continuing operations		(128,363)		(270,618)
Income from discontinued operations, net of tax		0		0
Net loss	(97,218)	(128,363)	(318,217)	(270,618)
Total comprehensive income (loss)	(99,197)	(125,996)	(324,403)	(262,717)
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues	742,180	791,269	2,191,927	2,294,971
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	645,672	688,543	1,948,918	1,989,772
Depreciation, depletion and amortization	103,971	104,765	308,022	323,144
Amortization of acquired sales contracts, net	(3,013)	(2,568)	(9,948)	(7,587)
Change in fair value of coal derivatives and coal trading activities, net	(3,733)	9,753	(5,811)	2,053
Asset impairment and mine closure costs	5,060	142,729	5,060	142,729
Selling, general and administrative expenses	7,427	8,214	22,540	28,978
Other operating income, net	(2,942)	(7,740)	(10,869)	(10,704)
Total operating expenses	752,442	943,696	2,257,912	2,468,385
Loss from investment in subsidiaries	0	0	0	0
Loss from operations	(10,262)	(152,427)	(65,985)	(173,414)
Interest expense, net
Interest expense	(6,577)	(6,222)	(19,466)	(18,502)
Interest and investment income	18,987	18,975	54,979	49,986
Interest expense, net	12,410	12,753	35,513	31,484
Loss from continuing operations before income taxes	2,148	(139,674)	(30,472)	(141,930)
Benefit from income taxes	0	0	0	0
Loss from continuing operations		(139,674)		(141,930)
Income from discontinued operations, net of tax		79,404		101,816
Net loss	2,148	(60,270)	(30,472)	(40,114)
Total comprehensive income (loss)	1,717	(59,241)	(33,062)	(39,175)
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	0	0	0	0
Depreciation, depletion and amortization	9	9	27	27
Amortization of acquired sales contracts, net	0	0	0	0
Change in fair value of coal derivatives and coal trading activities, net	0	0	0	0
Asset impairment and mine closure costs	0	0	0	0
Selling, general and administrative expenses	1,679	1,482	4,971	4,327
Other operating income, net	(1,371)	0	(4,127)	(1,109)
Total operating expenses	317	1,491	871	3,245
Loss from investment in subsidiaries	0	0	0	0
Loss from operations	(317)	(1,491)	(871)	(3,245)
Interest expense, net
Interest expense	(1,116)	(1,070)	(3,258)	(3,170)
Interest and investment income	1,308	1,320	3,808	4,374
Interest expense, net	192	250	550	1,204
Loss from continuing operations before income taxes	(125)	(1,241)	(321)	(2,041)
Benefit from income taxes	18	26	46	44
Loss from continuing operations		(1,267)		(2,085)
Income from discontinued operations, net of tax		0		0
Net loss	(143)	(1,267)	(367)	(2,085)
Total comprehensive income (loss)	(143)	(1,267)	(367)	(2,085)
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues	0	0	0	0
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	(1,018)	0	(2,749)	0
Depreciation, depletion and amortization	0		0	0
Amortization of acquired sales contracts, net	0	0	0	0
Change in fair value of coal derivatives and coal trading activities, net	0	0	0	0
Asset impairment and mine closure costs	0	0	0	0
Selling, general and administrative expenses	(512)	0	(1,524)	0
Other operating income, net	1,530	0	4,273	0
Total operating expenses	0		0	0
Loss from investment in subsidiaries	(2,005)	61,537	30,839	42,199
Loss from operations	(2,005)	61,537	30,839	42,199
Interest expense, net
Interest expense	26,218	26,204	76,557	72,528
Interest and investment income	(26,218)	(26,204)	(76,557)	(72,528)
Interest expense, net	0	0	0	0
Loss from continuing operations before income taxes	(2,005)	61,537	30,839	42,199
Benefit from income taxes	0	0	0	0
Loss from continuing operations		61,537		42,199
Income from discontinued operations, net of tax		0		0
Net loss	(2,005)	61,537	30,839	42,199
Total comprehensive income (loss)	$ (1,574)	$ 60,508	$ 33,429	$ 41,260

XML

Derivatives (Disclosure Of Fair Value Of Derivatives) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Derivative Asset, Fair Value, Gross Liability	$ (69,032)	$ (47,727)
Derivative Liability, Fair Value, Gross Asset	69,032	47,727
Derivative Asset	17,082	19,954
Derivative Liability	56	12
Net derivatives as classified in the balance sheet	17,026	19,942
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	84,434	66,772
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	(69,088)	(47,713)
Not Designated as Hedging Instrument [Member] | Coal Contract [Member]
Derivative [Line Items]
Derivative Assets	75,061	55,327
Derivative Liabilities	(66,137)	(45,763)
Heating Oil-Diesel Purchases [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	1,440	4,681
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value
Heating Oil-Fuel Surcharges [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	1	422
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value
Coal Contract [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Assets	1,680	909
Derivative Liabilities	0	(26)
Coal Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	7,707	6,342
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	(2,861)	(1,950)
Natural Gas [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	225	0
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	(90)	0
Price Risk Derivative [Member]
Derivative [Line Items]
Derivative Assets	86,114	67,681
Derivative Liabilities	$ (69,088)	$ (47,739)

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Accumulated Other Comprehensive Income

9 Months Ended

Sep. 30, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Income

The following items are included in accumulated other comprehensive income ("AOCI"):

				Pension,
				Postretirement
				and Other						Accumulated
				Post-						Other
	Derivative			Employment			Available-for-			Comprehensive
	Instruments			Benefits			Sale Securities			Income
	(In thousands)
Balance at December 31, 2013	$	565		$	31,112		$	6,015		$	37,692
Unrealized gains (losses)	1,692			—			(4,775		)	(3,083		)
Amounts reclassified from AOCI	(861		)	(3,409		)	1,167			(3,103		)
Balance at September 30, 2014	$	1,396		$	27,703		$	2,407		$	31,506

The following amounts were reclassified out of AOCI:

	Amounts Reclassified from AOCI												Line Item in the
	Three Months Ended September 30,						Nine Months Ended September 30,						Condensed Consolidated
Details About AOCI Components	2014			2013			2014			2013			Statement of Operations
	(In thousands)
Derivative instruments	$	892		$	692		$	1,346		$	2,093		Revenues
	(321		)	(249		)	(485		)	(754		)	Benefit from income taxes
	$	571		$	443		$	861		$	1,339		Net of tax
Pension, postretirement and other post-employment benefits
Amortization of prior service credits (1)	$	1,759		$	5,573		$	6,976		$	11,154
Amortization of actuarial gains (losses), net (1)	(550		)	(3,823		)	(1,650		)	(13,108		)
	1,209			1,750			5,326			(1,954		)
	(435		)	(631		)	(1,917		)	702			Benefit from income taxes
	$	774		$	1,119		$	3,409		$	(1,252	)	Net of tax
Available-for-sale securities (2)	$	(145	)	$	(4	)	$	(1,824	)	$	(313	)	Interest and investment income
	53			2			657			113			Benefit from income taxes
	$	(92	)	$	(2	)	$	(1,167	)	$	(200	)	Net of tax
1 Production-related benefits and workers' compensation costs are included in inventoriable production costs.
2 The gains and losses on sales of available-for-sale-securities are determined on a specific identification basis.

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Supplemental Consolidating Financial Information (Schedule Of Condensed Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 795,934	$ 911,099	$ 1,133,128	$ 1,133,128	$ 784,622
Short term investments	249,067	248,414
Receivables	246,138	229,573
Inventories	209,659	264,161
Other	124,919	128,824
Total current assets	1,625,717	1,782,071
Property, plant and equipment, net	6,532,118	6,734,286
Investment in subsidiaries
Intercompany receivables
Note receivable from Arch Western
Other	460,947	473,836
Total other assets	460,947	473,836
Total assets	8,618,782	8,990,193
Liabilities and Stockholders’ Equity
Accounts payable	173,835	176,142
Accrued expenses and other current liabilities	342,709	278,587
Current maturities of debt	(29,977)	(33,493)
Total current liabilities	546,521	488,222
Long-term debt	5,126,186	5,118,002
Intercompany payables
Notes Payable, Related Parties
Asset retirement obligations	400,935	402,713
Accrued pension benefits	15,294	7,111
Accrued postretirement benefits other than pension	39,127	39,255
Accrued workers’ compensation	78,520	78,062
Deferred income taxes	296,639	413,546
Other noncurrent liabilities	181,163	190,033
Total liabilities	6,684,385	6,736,944
Stockholders' equity	1,934,397	2,253,249
Total liabilities and stockholders’ equity	8,618,782	8,990,193
Parent/Issuer [Member]
Assets
Cash and cash equivalents	633,822	799,333	1,021,245		671,313
Short term investments	249,067	248,414
Receivables	24,438	14,177
Inventories	0	0
Other	83,939	84,401
Total current assets	991,266	1,146,325
Property, plant and equipment, net	10,120	24,851
Investment in subsidiaries	7,641,207	7,709,201
Intercompany receivables	0	0
Note receivable from Arch Western	675,000	675,000
Other	145,757	162,287
Total other assets	8,461,964	8,546,488
Total assets	9,463,350	9,717,664
Liabilities and Stockholders’ Equity
Accounts payable	11,093	17,781
Accrued expenses and other current liabilities	118,162	53,779
Current maturities of debt	(22,068)	(28,882)
Total current liabilities	151,323	100,442
Long-term debt	5,088,466	5,099,833
Intercompany payables	1,898,152	1,740,236
Notes Payable, Related Parties	0
Asset retirement obligations	1,056	1,095
Accrued pension benefits	3,151	7,797
Accrued postretirement benefits other than pension	4,500	12,079
Accrued workers’ compensation	29,683	21,546
Deferred income taxes	296,639	413,546
Other noncurrent liabilities	56,330	67,841
Total liabilities	7,529,300	7,464,415
Stockholders' equity	1,934,050	2,253,249
Total liabilities and stockholders’ equity	9,463,350	9,717,664
Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	150,359	100,418	100,410		100,468
Short term investments	0	0
Receivables	13,496	23,018
Inventories	209,659	264,161
Other	40,717	43,617
Total current assets	414,231	431,214
Property, plant and equipment, net	6,521,641	6,709,398
Investment in subsidiaries	0	0
Intercompany receivables	2,095,207	1,921,331
Note receivable from Arch Western	0	0
Other	315,065	311,463
Total other assets	2,410,272	2,232,794
Total assets	9,346,144	9,373,406
Liabilities and Stockholders’ Equity
Accounts payable	162,701	158,224
Accrued expenses and other current liabilities	228,126	228,664
Current maturities of debt	(7,909)	(4,611)
Total current liabilities	398,736	391,499
Long-term debt	37,720	18,169
Intercompany payables		0
Notes Payable, Related Parties	675,000	675,000
Asset retirement obligations	399,879	401,618
Accrued pension benefits	12,143	(686)
Accrued postretirement benefits other than pension	34,627	27,176
Accrued workers’ compensation	48,837	56,516
Deferred income taxes		0
Other noncurrent liabilities	124,509	121,794
Total liabilities	1,731,451	1,691,086
Stockholders' equity	7,614,693	7,682,320
Total liabilities and stockholders’ equity	9,346,144	9,373,406
Non-Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	11,753	11,348	11,473		12,841
Short term investments	0	0
Receivables	212,813	197,015
Inventories	0	0
Other	263	806
Total current assets	224,829	209,169
Property, plant and equipment, net	10	37
Investment in subsidiaries	0	0
Intercompany receivables	0	0
Note receivable from Arch Western	0	0
Other	125	86
Total other assets	125	86
Total assets	224,964	209,292
Liabilities and Stockholders’ Equity
Accounts payable	41	137
Accrued expenses and other current liabilities	1,030	781
Current maturities of debt	0	0
Total current liabilities	1,071	918
Long-term debt	0	0
Intercompany payables	197,055	181,095
Notes Payable, Related Parties	0	0
Asset retirement obligations	0	0
Accrued pension benefits	0	0
Accrued postretirement benefits other than pension	0	0
Accrued workers’ compensation	0	0
Deferred income taxes	0	0
Other noncurrent liabilities	324	398
Total liabilities	198,450	182,411
Stockholders' equity	26,514	26,881
Total liabilities and stockholders’ equity	224,964	209,292
Eliminations [Member]
Assets
Cash and cash equivalents	0	0	0		0
Short term investments	0	0
Receivables	(4,609)	(4,637)
Inventories	0	0
Other	0
Total current assets	(4,609)	(4,637)
Property, plant and equipment, net	347	0
Investment in subsidiaries	(7,641,207)	(7,709,201)
Intercompany receivables	(2,095,207)	(1,921,331)
Note receivable from Arch Western	(675,000)	(675,000)
Other		0
Total other assets	(10,411,414)	(10,305,532)
Total assets	(10,415,676)	(10,310,169)
Liabilities and Stockholders’ Equity
Accounts payable	0	0
Accrued expenses and other current liabilities	(4,609)	(4,637)
Current maturities of debt	0	0
Total current liabilities	(4,609)	(4,637)
Long-term debt	0	0
Intercompany payables	(2,095,207)	(1,921,331)
Notes Payable, Related Parties	(675,000)	(675,000)
Asset retirement obligations	0	0
Accrued pension benefits	0	0
Accrued postretirement benefits other than pension	0	0
Accrued workers’ compensation	0	0
Deferred income taxes	0	0
Other noncurrent liabilities	0	0
Total liabilities	(2,774,816)	(2,600,968)
Stockholders' equity	(7,640,860)	(7,709,201)
Total liabilities and stockholders’ equity	$ (10,415,676)	$ (10,310,169)

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Investments in Available-for-Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Current	$ 249,067	$ 248,414
Total Investments, Cost Basis	258,233	255,046
Total Investments, Accumulated Gross Unrealized Gains	10,258	13,678
Total Investments, Accumulated Gross Unrealized Losses	(6,506)	(4,281)
Total Investments	261,985	264,443
Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Investments, Current	249,067	248,414
Other Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Investments, Noncurrent	12,918	16,029
US Treasury and Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Cost Basis	0	65,002
Debt Securities, Accumulated Gross Unrealized Gains	0	11
Debt Securities, Accumulated Gross Unrealized Losses	0	(75)
Debt Securities	0	64,938
US Treasury and Government [Member] | Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Current	0	64,938
US Treasury and Government [Member] | Other Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Noncurrent	0	0
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Cost Basis	252,813	184,773
Debt Securities, Accumulated Gross Unrealized Gains	1	7
Debt Securities, Accumulated Gross Unrealized Losses	(3,747)	(1,304)
Debt Securities	249,067	183,476
Corporate Debt Securities [Member] | Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Current	249,067	183,476
Corporate Debt Securities [Member] | Other Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Securities, Noncurrent	0	0
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity Securities, Cost Basis	5,420	5,271
Equity Securities, Accumulated Gross Unrealized Gains	10,257	13,660
Equity Securities, Accumulated Gross Unrealized Losses	(2,759)	(2,902)
Equity securities	12,918	16,029
Equity Securities [Member] | Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity Securities, Current	0	0
Equity Securities [Member] | Other Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Equity Securities, Noncurrent	$ 12,918	$ 16,029

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Price Risk Derivatives

At September 30, 2014, the Company held derivatives for risk management purposes that are expected to settle in the following years:

(Tons in thousands)	2014	2015	2016	Total
Coal sales	1,156	2,340	160	3,656
Coal purchases	751	825	—	1,576

Disclosure Of Fair Value Of Derivatives

The fair value and location of derivatives reflected in the accompanying condensed consolidated balance sheets are as follows:

	September 30, 2014								December 31, 2013
Fair Value of Derivatives	Asset			Liability					Asset			Liability
(In thousands)	Derivative			Derivative					Derivative			Derivative
Derivatives Designated as Hedging Instruments
Coal	$	1,680		$	—				$	909		$	(26	)
Derivatives Not Designated as Hedging Instruments
Heating oil -- diesel purchases	1,440			—					4,681			—
Heating oil -- fuel surcharges	1			—					422			—
Coal -- held for trading purposes	75,061			(66,137		)			55,327			(45,763		)
Coal -- risk management	7,707			(2,861		)			6,342			(1,950		)
Natural gas	225			(90		)			—			—
Total	84,434			(69,088		)			66,772			(47,713		)
Total derivatives	86,114			(69,088		)			67,681			(47,739		)
Effect of counterparty netting	(69,032		)	69,032					(47,727		)	47,727
Net derivatives as classified in the balance sheets	$	17,082		$	(56	)	$	17,026	$	19,954		$	(12	)	$	19,942

		September 30, 2014			December 31, 2013
Net derivatives as reflected on the balance sheets		2835
Heating oil	Other current assets	$	1,440		$	5,103
Coal	Coal derivative assets	15,642			14,851
	Accrued expenses and other current liabilities	(56		)	(12		)
		$	17,026		$	19,942

Effects Of Derivatives On Measures Of Financial Performance

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	3,449		$	3,132		$	1,639		$	911
Coal purchases	(2)	(2,041		)	(942		)	(747		)	123
Totals		$	1,408		$	2,190		$	892		$	1,034

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the three month periods ended September 30, 2014 and 2013.  

Derivatives Not Designated as Hedging Instruments (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	1,610		$	(10,668	)
Coal — realized	(4)	$	502		$	9,929
Natural gas  — unrealized	(3)	$	238		$	—
Heating oil — diesel purchases	(4)	$	(3,746	)	$	(288	)
Heating oil — fuel surcharges	(4)	$	(104	)	$	(222	)

____________________________________________________________

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	4,806		$	2,308		$	2,568		$	2,822
Coal purchases	(2)	(2,162		)	(511		)	(1,222		)	(633		)
Totals		$	2,644		$	1,797		$	1,346		$	2,189

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the nine month periods ended September 30, 2014 and 2013.  

Derivatives Not Designated as Hedging Instruments (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	455		$	(5,089	)
Coal — realized	(4)	$	4,699		$	25,725
Natural gas  — unrealized	(3)	$	(21	)	$	—
Heating oil — diesel purchases	(4)	$	(6,709	)	$	(9,760	)
Heating oil — fuel surcharges	(4)	$	(405	)	$	(817	)

____________________________________________________________

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

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Investments in Available-for-Sale Securities (Tables)

9 Months Ended

Sep. 30, 2014

Available-for-sale Securities [Abstract]

Available-for-sale Securities

The Company's investments in available-for-sale marketable securities are as follows:

	September 30, 2014
										Balance Sheet
			Accumulated							Classification
			Gross Unrealized					Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	—	$	—	$	—		$	—	$	—	$	—
Corporate notes and bonds	$	252,813	$	1	$	(3,747	)	$	249,067	$	249,067	$	—
Equity securities	5,420		10,257		(2,759		)	12,918		—		12,918
Total Investments	$	258,233	$	10,258	$	(6,506	)	$	261,985	$	249,067	$	12,918

	December 31, 2013
										Balance Sheet
			Gross		Gross					Classification
			Unrealized		Unrealized			Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	65,002	$	11	$	(75	)	$	64,938	$	64,938	$	—
Corporate notes and bonds	184,773		7		(1,304		)	183,476		183,476		—
Equity securities	5,271		13,660		(2,902		)	16,029		—		16,029
Total Investments	$	255,046	$	13,678	$	(4,281	)	$	264,443	$	248,414	$	16,029

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Loss Per Common Share (Narrative) (Details) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Antidilutive as a result of loss for period [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities	1.6		2.0
Antidilutive due to price [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities	8.3	7.0	7.4	7.9

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Investments in Available-for-Sale Securities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Available-for-sale Securities [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 230.3	$ 164.3
Available-for-sale Securities, Continuous Unrealized Loss Position, Greater than Twelve Months, Fair Value	$ 17.1	$ 48.7

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Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses and other current liabilities consist of the following:

	September 30,		December 31,
	2014		2013
	(In thousands)
Payroll and employee benefits	$	72,116	$	67,621
Taxes other than income taxes	114,183		114,664
Interest	77,564		18,528
Acquired sales contracts	12,690		14,373
Workers’ compensation	16,085		12,434
Asset retirement obligations	22,681		24,940
Other	27,390		26,027
	$	342,709	$	278,587

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Debt and Financing Arrangements (Tables)

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Debt

	September 30,		December 31,
	2014		2013
	(In thousands)
Term loan due 2018 ($1.91 billion and $1.93 billion face value, respectively)	$	1,894,794	$	1,906,975
7.00% senior notes due 2019 at par	1,000,000		1,000,000
9.875% senior notes due 2019 ($375.0 million face value)	363,173		362,358
8.00% senior secured notes due 2019 at par	350,000		350,000
7.25% senior notes due 2020 at par	500,000		500,000
7.25% senior notes due 2021 at par	1,000,000		1,000,000
Other	48,196		32,162
	5,156,163		5,151,495
Less current maturities of debt	29,977		33,493
Long-term debt	$	5,126,186	$	5,118,002

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Accounting Policies

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Accounting Policies

Accounting Policies

In May 2014, the FASB issued comprehensive authoritative guidance for the recognition and presentation of revenue from contracts with customers. The revenue recognition model is based on changes in contract assets (right to receive consideration) and liabilities (obligations to provide a good or perform a service). The guidance also requires comprehensive quantitative and qualitative disclosures intended to enable financial statement users to understand the nature, timing and uncertainty of revenue and the related cash flows. This guidance will be effective for the Company in the first quarter of 2017, with early adoption not permitted. The Company is currently assessing the impact the guidance will have upon adoption, but expects no significant changes to its existing revenue recognition policies.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Summary Of Financial Assets And Liabilities Accounted For At Fair Value

The table below sets forth, by level, the Company’s financial assets and liabilities that are recorded at fair value in the accompanying condensed consolidated balance sheet: 

	September 30, 2014
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Investments in marketable securities	$	261,985	$	12,918	$	249,067	$	—
Derivatives	17,082		12,144		392		4,546
Total assets	$	279,067	$	25,062	$	249,459	$	4,546
Liabilities:
Derivatives	$	56	$	—	$	49	$	7

Summary Of Change In The Fair Values Of Financial Instruments Categorized As Level 3

The following table summarizes the change in the fair values of financial instruments categorized as level 3.

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
	(In thousands)
Balance, beginning of period	$	6,037		$	4,946
Realized and unrealized losses recognized in earnings, net	(2,131		)	(4,851		)
Purchases	1,080			4,891
Issuances	(447		)	(447		)
Ending balance	$	4,539		$	4,539

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Divestitures (Results of Discontinued Operations) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations	$ 0	$ 79,404	$ 0	$ 101,816
Canyon Fuel [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax		3,429		32,166
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax		115,679		115,679
Less: income tax expense		39,704		46,029
Income from discontinued operations		79,404		101,816
Basic and diluted earnings per common share from discontinued operations		$ 0.37		$ 0.48
Canyon Fuel [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues		$ 45,763		$ 219,002

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Fair Value Measurements (Narrative) (Details) (USD $)			3 Months Ended	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Level 3 [Member]	Sep. 30, 2014 Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Net unrealized losses related to level 3 financial instruments			$ 1,800,000	$ 1,700,000
Fair value of senior notes and other long-term debt, including amounts classified as current	$ 3,600,000,000	$ 4,600,000,000

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Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenues	$ 742,180	$ 791,269	$ 2,191,927	$ 2,294,971
Costs, expenses and other operating[Abstract]
Cost of sales (exclusive of items shown separately below)	647,096	688,712	1,955,547	1,994,653
Depreciation, depletion and amortization	105,155	106,323	312,042	327,601
Amortization of acquired sales contracts, net	(3,013)	(2,568)	(9,948)	(7,587)
Change in fair value of coal derivatives and coal trading activities, net	(3,733)	9,753	(5,811)	2,053
Asset impairment and mine closure costs	5,060	200,397	6,572	220,879
Selling, general and administrative expenses	28,136	28,800	87,203	96,311
Other operating income, net	(1,221)	(5,395)	(9,451)	(16,476)
Total operating expenses	777,480	1,026,022	2,336,154	2,617,434
Loss from operations	(35,300)	(234,753)	(144,227)	(322,463)
Interest expense, net
Interest expense	(98,217)	(95,624)	(292,648)	(285,454)
Interest and investment income	1,949	697	5,828	4,749
Interest expense, net	(96,268)	(94,927)	(286,820)	(280,705)
Loss from continuing operations before income taxes	(131,568)	(329,680)	(431,047)	(603,168)
Benefit from income taxes	(34,350)	(121,913)	(112,830)	(230,734)
Loss from continuing operations	(97,218)	(207,767)	(318,217)	(372,434)
Income from discontinued operations, net of tax	0	79,404	0	101,816
Net loss	$ (97,218)	$ (128,363)	$ (318,217)	$ (270,618)
Losses per common share
Basic and diluted LPS - Loss from continuing operations (usd per share)	$ (0.46)	$ (0.98)	$ (1.50)	$ (1.76)
Basic and diluted LPS - Net loss (usd per share)	$ (0.46)	$ (0.61)	$ (1.50)	$ (1.28)
Basic and diluted weighted average shares outstanding (shares)	212,238	212,111	212,212	212,085
Dividends declared per common share (usd per share)	$ 0	$ 0.03	$ 0.01	$ 0.09

XML

Derivatives (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Derivative [Line Items]
Current liability for the obligation to return cash collateral	$ 3.8		$ 3.8
Current asset for the right to reclaim cash collateral					2.2
Net unrealized and realized gains (losses) related to trading portfolio	1.9	0.9	5.4	3.0
Gain on derivative contracts designated as hedge instruments in cash flow hedges to be reclassified from OCI into earnings during the next twelve months	2.0		2.0
Year One, Remainder [Member]
Derivative [Line Items]
Value of trading portfolio realized			4.7
Year Two [Member]
Derivative [Line Items]
Value of trading portfolio realized			$ 4.2
Diesel Purchases [Member] | Year One, Remainder [Member]
Derivative [Line Items]
Percent of expected requirements covered	87.00%		87.00%
Diesel Purchases [Member] | Year Two [Member]
Derivative [Line Items]
Percent of expected requirements covered	83.00%		83.00%
Diesel Purchases [Member] | Heating Oil [Member]
Derivative [Line Items]
Quantities under derivative contracts	69,000,000		69,000,000
Diesel Purchases [Member] | Minimum [Member]
Derivative [Line Items]
Gallons of diesel fuel purchased annually			57,000,000
Diesel Purchases [Member] | Maximum [Member]
Derivative [Line Items]
Gallons of diesel fuel purchased annually			67,000,000
Heating Oil-Fuel Surcharges [Member] | Heating Oil [Member]
Derivative [Line Items]
Quantities under derivative contracts	1,300,000		1,300,000

XML

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activties
Net loss	$ (318,217)	$ (270,618)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation, depletion and amortization	312,042	348,863
Amortization of acquired sales contracts, net	(9,948)	(7,587)
Amortization relating to financing activities	12,349	18,525
Prepaid royalties expensed	5,645	11,973
Employee stock-based compensation expense	7,689	8,909
Asset impairment costs	1,512	220,879
Accretion (Amortization) of Discounts and Premiums, Investments	0	3,679
Gains on disposals and divestitures, net	(21,965)	(120,702)
Deferred income taxes	(112,998)	(184,418)
Changes in:
Receivables	(6,779)	72,436
Inventories	22,589	21,387
Accounts payable, accrued expenses and other current liabilities	73,324	19,287
Income taxes, net	(514)	787
Other	37,261	43,192
Cash provided by operating activities	1,990	186,592
Investing activities
Capital expenditures	(118,701)	(223,168)
Minimum royalty payments	(3,604)	(10,901)
Proceeds from sale-leaseback transactions	0	34,919
Proceeds from disposals and divestitures	50,971	431,462
Purchases of marketable securities	(181,546)	(85,418)
Proceeds from sale or maturity of marketable securities and other investments	178,293	67,255
Investments in and advances to affiliates	(13,393)	(11,124)
Change in restricted cash	0	3,453
Cash provided by (used in) investing activities	(87,980)	206,478
Financing activities
Payments on term loan	(14,625)	(12,375)
Net payments on other debt	(10,187)	(13,084)
Dividends paid	(2,123)	(19,105)
Debt financing costs	(2,219)
Other	(21)	0
Cash used in financing activities	(29,175)	(44,564)
Increase (decrease) in cash and cash equivalents	(115,165)	348,506
Cash and cash equivalents, beginning of period	911,099	784,622
Cash and cash equivalents, end of period	$ 795,934	$ 1,133,128

XML

Segment Information (Schedule Of Operating Segment Results) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Revenues	$ 742,180	$ 791,269	$ 2,191,927	$ 2,294,971
Income (loss) from operations	(35,300)	(234,753)	(144,227)	(322,463)
Depreciation, depletion and amortization	105,155	106,323	312,042	327,601
Amortization of acquired sales contracts, net	(3,013)	(2,568)	(9,948)	(7,587)
Asset impairment and mine closure costs	5,060	200,397	6,572	220,879
Capital expenditures	22,955	54,104	118,701	223,168
PRB [Member]
Segment Reporting Information [Line Items]
Revenues	389,386	420,521	1,106,258	1,135,892
Income (loss) from operations	18,797	20,694	19,001	53,244
Depreciation, depletion and amortization	43,962	46,619	124,243	130,993
Amortization of acquired sales contracts, net	(1,200)	(864)	(2,774)	(3,004)
Asset impairment and mine closure costs	0	0	0	0
Capital expenditures	8,174	1,695	17,230	5,671
APP [Member]
Segment Reporting Information [Line Items]
Revenues	272,354	263,189	832,452	883,485
Income (loss) from operations	(35,888)	(157,883)	(79,890)	(190,278)
Depreciation, depletion and amortization	48,867	46,530	155,087	157,867
Amortization of acquired sales contracts, net	(1,815)	(2,691)	(7,266)	(7,975)
Asset impairment and mine closure costs	5,060	126,449	5,060	126,449
Capital expenditures	9,039	44,624	28,232	137,390
Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	80,440	107,559	253,217	275,594
Income (loss) from operations	17,912		34,640
Depreciation, depletion and amortization	10,499	11,958	29,601	34,319
Amortization of acquired sales contracts, net	2	987	92	3,392
Asset impairment and mine closure costs	0	16,280	0	16,280
Capital expenditures	4,678	7,122	8,837	17,923
Corporate, Other and Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues
Income (loss) from operations	(36,121)	(97,620)	(117,978)	(208,788)
Depreciation, depletion and amortization	1,827	1,216	3,111	4,422
Amortization of acquired sales contracts, net	0	0	0	0
Asset impairment and mine closure costs	0	57,668	1,512	78,150
Capital expenditures	$ 1,064	$ 663	$ 64,402	$ 62,184

XML

Supplemental Consolidating Financial Information (Tables)

9 Months Ended

Sep. 30, 2014

Supplemental Condensed Consolidating Financial Information [Abstract]

Schedule of Condensed Consolidating Statements of Income

Condensed Consolidating Statements of Operations

Three Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	742,180		$	—		$	—		$	742,180
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	2,442			645,672			—			(1,018		)	647,096
Depreciation, depletion and amortization	1,175			103,971			9			—			105,155
Amortization of acquired sales contracts, net	—			(3,013		)	—			—			(3,013		)
Change in fair value of coal derivatives and coal trading activities, net	—			(3,733		)	—			—			(3,733		)
Asset impairment and mine closure costs	—			5,060			—			—			5,060
Selling, general and administrative expenses	19,542			7,427			1,679			(512		)	28,136
Other operating income, net	1,562			(2,942		)	(1,371		)	1,530			(1,221		)
	24,721			752,442			317			—			777,480
Income from investment in subsidiaries	2,005			—			—			(2,005		)	—
Loss from operations	(22,716		)	(10,262		)	(317		)	(2,005		)	(35,300		)
Interest expense, net
Interest expense	(116,742		)	(6,577		)	(1,116		)	26,218			(98,217		)
Interest and investment income	7,872			18,987			1,308			(26,218		)	1,949
	(108,870		)	12,410			192			—			(96,268		)
Income (loss) from continuing operations before income taxes	(131,586		)	2,148			(125		)	(2,005		)	(131,568		)
Benefit from income taxes	(34,368		)	—			18			—			(34,350		)
Net income (loss)	$	(97,218	)	$	2,148		$	(143	)	$	(2,005	)	$	(97,218	)
Total comprehensive income (loss)	$	(99,197	)	$	1,717		$	(143	)	$	(1,574	)	$	(99,197	)

Condensed Consolidating Statements of Operations

Three Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	791,269		$	—		$	—		$	791,269
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	169			688,543			—			—			688,712
Depreciation, depletion and amortization	1,549			104,765			9			—			106,323
Amortization of acquired sales contracts, net	—			(2,568		)	—			—			(2,568		)
Change in fair value of coal derivatives and coal trading activities, net	—			9,753			—			—			9,753
Asset impairment and mine closure costs	57,668			142,729			—			—			200,397
Selling, general and administrative expenses	19,104			8,214			1,482			—			28,800
Other operating income, net	2,345			(7,740		)	—			—			(5,395		)
	80,835			943,696			1,491			—			1,026,022
Loss from investment in subsidiaries	(61,537		)	—			—			61,537			—
Loss from operations	(142,372		)	(152,427		)	(1,491		)	61,537			(234,753		)
Interest expense, net
Interest expense	(114,536		)	(6,222		)	(1,070		)	26,204			(95,624		)
Interest and investment income	6,606			18,975			1,320			(26,204		)	697
	(107,930		)	12,753			250			—			(94,927		)
Loss from continuing operations before income taxes	(250,302		)	(139,674		)	(1,241		)	61,537			(329,680		)
Provision for (benefit from) income taxes	(121,939		)	—			26			—			(121,913		)
Loss from continuing operations	(128,363		)	(139,674		)	(1,267		)	61,537			(207,767		)
Income from discontinued operations, net of tax	—			79,404			—			—			79,404
Net loss	$	(128,363	)	$	(60,270	)	$	(1,267	)	$	61,537		$	(128,363	)
Total comprehensive loss	$	(125,996	)	$	(59,241	)	$	(1,267	)	$	60,508		$	(125,996	)

Condensed Consolidating Statements of Operations

Nine Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,191,927		$	—		$	—		$	2,191,927
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	9,378			1,948,918			—			(2,749		)	1,955,547
Depreciation, depletion and amortization	3,993			308,022			27			—			312,042
Amortization of acquired sales contracts, net	—			(9,948		)	—			—			(9,948		)
Change in fair value of coal derivatives and coal trading activities, net	—			(5,811		)	—			—			(5,811		)
Asset impairment costs	1,512			5,060			—			—			6,572
Selling, general and administrative expenses	61,216			22,540			4,971			(1,524		)	87,203
Other operating income, net	1,272			(10,869		)	(4,127		)	4,273			(9,451		)
	77,371			2,257,912			871			—			2,336,154
Loss from investment in subsidiaries	(30,839		)	—			—			30,839			—
Loss from operations	(108,210		)	(65,985		)	(871		)	30,839			(144,227		)
Interest expense, net
Interest expense	(346,481		)	(19,466		)	(3,258		)	76,557			(292,648		)
Interest and investment income	23,598			54,979			3,808			(76,557		)	5,828
	(322,883		)	35,513			550			—			(286,820		)
Loss from continuing operations before income taxes	(431,093		)	(30,472		)	(321		)	30,839			(431,047		)
Provision for (benefit from) income taxes	(112,876		)	—			46			—			(112,830		)
Net loss	$	(318,217	)	$	(30,472	)	$	(367	)	$	30,839		$	(318,217	)
Total comprehensive loss	$	(324,403	)	$	(33,062	)	$	(367	)	$	33,429		$	(324,403	)

Condensed Consolidating Statements of Operations

Nine Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,294,971		$	—		$	—		$	2,294,971
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	4,881			1,989,772			—			—			1,994,653
Depreciation, depletion and amortization	4,430			323,144			27			—			327,601
Amortization of acquired sales contracts, net	—			(7,587		)	—			—			(7,587		)
Change in fair value of coal derivatives and coal trading activities, net	—			2,053			—			—			2,053
Asset impairment costs	78,150			142,729			—			—			220,879
Selling, general and administrative expenses	63,006			28,978			4,327			—			96,311
Other operating income, net	(4,663		)	(10,704		)	(1,109		)	—			(16,476		)
	145,804			2,468,385			3,245			—			2,617,434
Income from investment in subsidiaries	(42,199		)	—			—			42,199			—
Loss from operations	(188,003		)	(173,414		)	(3,245		)	42,199			(322,463		)
Interest expense, net
Interest expense	(336,310		)	(18,502		)	(3,170		)	72,528			(285,454		)
Interest and investment income	22,917			49,986			4,374			(72,528		)	4,749
	(313,393		)	31,484			1,204			—			(280,705		)
Loss from continuing operations before income taxes	(501,396		)	(141,930		)	(2,041		)	42,199			(603,168		)
Provision for (benefit from) income taxes	(230,778		)	—			44			—			(230,734		)
Loss from continuing operations	(270,618		)	(141,930		)	(2,085		)	42,199			(372,434		)
Income from discontinued operations, net of tax	—			101,816			—			—			101,816
Net loss	$	(270,618	)	$	(40,114	)	$	(2,085	)	$	42,199		$	(270,618	)
Total comprehensive loss	$	(262,717	)	$	(39,175	)	$	(2,085	)	$	41,260		$	(262,717	)

Schedule of Condensed Consolidating Balance Sheets

	Parent/Issuer		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets	$ 628,251
Cash and cash equivalents	$	633,822	$	150,359	$	11,753	$	—		$	795,934
Short term investments	249,067		—		—		—			249,067
Receivables	24,438		13,496		212,813		(4,609		)	246,138
Inventories	—		209,659		—		—			209,659
Other	83,939		40,717		263		—			124,919
Total current assets	991,266		414,231		224,829		(4,609		)	1,625,717
Property, plant and equipment, net	10,120		6,521,641		10		347			6,532,118
Investment in subsidiaries	7,641,207		—		—		(7,641,207		)	—
Intercompany receivables	—		2,095,207		—		(2,095,207		)	—
Note receivable from Arch Western	675,000		—		—		(675,000		)	—
Other	145,757		315,065		125		—			460,947
Total other assets	8,461,964		2,410,272		125		(10,411,414		)	460,947
Total assets	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782
Liabilities and Stockholders’ Equity
Accounts payable	$	11,093	$	162,701	$	41	$	—		$	173,835
Accrued expenses and other current liabilities	118,162		228,126		1,030		(4,609		)	342,709
Current maturities of debt	22,068		7,909		—		—			29,977
Total current liabilities	151,323		398,736		1,071		(4,609		)	546,521
Long-term debt	5,088,466		37,720		—		—			5,126,186
Intercompany payables	1,898,152		—		197,055		(2,095,207		)	—
Note payable to Arch Coal	—		675,000		—		(675,000		)	—
Asset retirement obligations	1,056		399,879		—		—			400,935
Accrued pension benefits	3,151		12,143		—		—			15,294
Accrued postretirement benefits other than pension	4,500		34,627		—		—			39,127
Accrued workers’ compensation	29,683		48,837		—		—			78,520
Deferred income taxes	296,639		—		—		—			296,639
Other noncurrent liabilities	56,330		124,509		324		—			181,163
Total liabilities	7,529,300		1,731,451		198,450		(2,774,816		)	6,684,385
Stockholders’ equity	1,934,050		7,614,693		26,514		(7,640,860		)	1,934,397
Total liabilities and stockholders’ equity	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782

Condensed Consolidating Balance Sheets

December 31, 2013

	Parent/Issuer		Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	799,333	$	100,418		$	11,348	$	—		$	911,099
Short term investments	248,414		—			—		—			248,414
Receivables	14,177		23,018			197,015		(4,637		)	229,573
Inventories	—		264,161			—		—			264,161
Other	84,401		43,617			806		—			128,824
Total current assets	1,146,325		431,214			209,169		(4,637		)	1,782,071
Property, plant and equipment, net	24,851		6,709,398			37		—			6,734,286
Investment in subsidiaries	7,709,201		—			—		(7,709,201		)	—
Intercompany receivables	—		1,921,331			—		(1,921,331		)	—
Note receivable from Arch Western	675,000		—			—		(675,000		)	—
Other	162,287		311,463			86		—			473,836
Total other assets	8,546,488		2,232,794			86		(10,305,532		)	473,836
Total assets	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193
Liabilities and Stockholders’ Equity
Accounts payable	$	17,781	$	158,224		$	137	$	—		$	176,142
Accrued expenses and other current liabilities	53,779		228,664			781		(4,637		)	278,587
Current maturities of debt	28,882		4,611			—		—			33,493
Total current liabilities	100,442		391,499			918		(4,637		)	488,222
Long-term debt	5,099,833		18,169			—		—			5,118,002
Intercompany payables	1,740,236		—			181,095		(1,921,331		)	—
Note payable to Arch Coal	—		675,000			—		(675,000		)	—
Asset retirement obligations	1,095		401,618			—		—			402,713
Accrued pension benefits	7,797		(686		)	—		—			7,111
Accrued postretirement benefits other than pension	12,079		27,176			—		—			39,255
Accrued workers’ compensation	21,546		56,516			—		—			78,062
Deferred income taxes	413,546		—			—		—			413,546
Other noncurrent liabilities	67,841		121,794			398		—			190,033
Total liabilities	7,464,415		1,691,086			182,411		(2,600,968		)	6,736,944
Stockholders’ equity	2,253,249		7,682,320			26,881		(7,709,201		)	2,253,249
Total liabilities and stockholders’ equity	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193

Schedule of Condensed Consolidating Statements of Cash Flows

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations		Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(342,497	)	$	360,036		$	(15,549	)	$	—	$	1,990
Investing Activities
Capital expenditures	(1,195		)	(117,506		)	—			—		(118,701		)
Minimum royalty payments	—			(3,604		)	—			—		(3,604		)
Proceeds from disposals and divestitures	46,634			4,337			—			—		50,971
Purchases of marketable securities	(181,546		)	—			—			—		(181,546		)
Proceeds from sale or maturity of marketable securities and other investments	178,293			—			—			—		178,293
Investments in and advances to affiliates	(2,047		)	(11,346		)	—			—		(13,393		)
Cash provided by (used in) investing activities	40,139			(128,119		)	—			—		(87,980		)
Financing Activities
Payments on term loan	(14,625		)	—			—			—		(14,625		)
Net payments on other debt	(6,814		)	(3,373		)	—			—		(10,187		)
Debt financing costs	(2,219		)	—			—			—		(2,219		)
Dividends paid	(2,123		)	—			—			—		(2,123		)
Other	(15		)	—			(6		)	—		(21		)
Transactions with affiliates, net	162,643			(178,603		)	15,960			—		—
Cash provided by (used in) financing activities	136,847			(181,976		)	15,954			—		(29,175		)
Increase (decrease) in cash and cash equivalents	(165,511		)	49,941			405			—		(115,165		)
Cash and cash equivalents, beginning of period	799,333			100,418			11,348			—		911,099
Cash and cash equivalents, end of period	$	633,822		$	150,359		$	11,753		$	—	$	795,934

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(22,206	)	$	153,868		$	54,930		$	—		$	186,592
Investing Activities
Capital expenditures	(2,488		)	(220,680		)	—			—			(223,168		)
Minimum royalty payments	—			(10,901		)	—			—			(10,901		)
Proceeds from sale-leaseback transactions	—			34,919			—			—			34,919
Proceeds from disposals and divestitures	—			431,462			—			—			431,462
Purchases of short term investments	(85,418		)	—			—			—			(85,418		)
Proceeds from sales of short term investments	67,255			—			—			—			67,255
Investments in and advances to affiliates	(4,016		)	(7,492		)	—			384			(11,124		)
Change in restricted cash	3,453			—			—			—			3,453
Cash provided by (used in) investing activities	(21,214		)	227,308			—			384			206,478
Financing Activities
Contributions from parent	—			384			—			(384		)	—
Payments on term loan	(12,375		)	—			—			—			(12,375		)
Net payments on other debt	(12,700		)	(384		)	—			—			(13,084		)
Dividends paid	(19,105		)	—			—			—			(19,105		)
Transactions with affiliates, net	437,532			(381,234		)	(56,298		)	—			—
Cash provided by (used in) financing activities	393,352			(381,234		)	(56,298		)	(384		)	(44,564		)
Decrease in cash and cash equivalents	349,932			(58		)	(1,368		)	—			348,506
Cash and cash equivalents, beginning of period	671,313			100,468			12,841			—			784,622
Cash and cash equivalents, end of period	$	1,021,245		$	100,410		$	11,473		$	—		$	1,133,128

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Segment Information

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Segment Information

Segment Information

The Company's reportable business segments are based on the major coal producing basins in which the Company operates and may include a number of mine complexes. The Company manages its coal sales by coal basin, not by individual mining complex. Geology, coal transportation routes to customers, regulatory environments and coal quality or type are characteristic to a basin, and, accordingly, market and contract pricing have developed by coal basin. Mining operations are evaluated based on their per-ton operating costs (defined as including all mining costs but excluding pass-through transportation expenses), as well as on other non-financial measures, such as safety and environmental performance. The Company’s reportable segments are the Powder River Basin (PRB) segment, with operations in Wyoming; and the Appalachia (APP) segment, with operations primarily in West Virginia.  The “Other” category combines other operating segments and includes the Company’s coal mining operations in Colorado and Illinois and its ADDCAR subsidiary, which the Company sold in the first quarter of 2014.

Operating segment results for the three and nine months endedSeptember 30,2014 and 2013 are presented below. Results for the reportable segments include all direct costs of mining, including all depreciation, depletion and amortization related to the mining operations, even if the assets are not recorded at the operating segment level. These reportable segment results do not reflect impairment charges, since those are not reflected in the operating income reviewed by management. Corporate, Other and Eliminations includes these charges, as well as the change in fair value of coal derivatives and coal trading activities, net; corporate overhead; land management; other support functions; and the elimination of intercompany transactions. The operating segment results and capital expenditures reflect only those from continuing operations, and exclude the results of Canyon Fuel, since they are classified as discontinued operations in the condensed consolidated statements of operations for the three and nine months endedSeptember 30,2013. Because the condensed consolidated statement of cash flows includes cash flows from discontinued operations, capital expenditures from discontinued operations are included in "Corporate, Other and Eliminations" below.

	PRB			APP			Other Operating Segments		Corporate, Other and Eliminations			Consolidated
	(in thousands)
Three Months Ended September 30, 2014
Revenues	$	389,386		$	272,354		$	80,440	$	—		$	742,180
Income (loss) from operations	18,797			(35,888		)	17,912		(36,121		)	(35,300		)
Depreciation, depletion and amortization	43,962			48,867			10,499		1,827			105,155
Amortization of acquired sales contracts, net	(1,200		)	(1,815		)	2		—			(3,013		)
Asset impairment and mine closure costs	—			5,060			—		—			5,060
Capital expenditures	8,174			9,039			4,678		1,064			22,955
Three Months Ended September 30, 2013
Revenues	$	420,521		$	263,189		$	107,559	$	—		$	791,269
Income (loss) from operations	20,694			(157,883		)	56		(97,620		)	(234,753		)
Depreciation, depletion and amortization	46,619			46,530			11,958		1,216			106,323
Amortization of acquired sales contracts, net	(864		)	(2,691		)	987		—			(2,568		)
Asset impairment and mine closure costs	—			126,449			16,280		57,668			200,397
Capital expenditures	1,695			44,624			7,122		663			54,104
Nine Months Ended September 30, 2014
Revenues	$	1,106,258		$	832,452		253,217		$	—		$	2,191,927
Income (loss) from operations	19,001			(79,890		)	34,640		(117,978		)	(144,227		)
Depreciation, depletion and amortization	124,243			155,087			29,601		3,111			312,042
Amortization of acquired sales contracts, net	(2,774		)	(7,266		)	92		—			(9,948		)
Asset impairment and mine closure costs	—			5,060			—		1,512			6,572
Capital expenditures	17,230			28,232			8,837		64,402			118,701
Nine Months Ended September 30, 2013
Revenues	$	1,135,892		$	883,485		$	275,594	$	—		$	2,294,971
Income (loss) from operations	53,244			(190,278		)	23,359		(208,788		)	(322,463		)
Depreciation, depletion and amortization	130,993			157,867			34,319		4,422			327,601
Amortization of acquired sales contracts, net	(3,004		)	(7,975		)	3,392		—			(7,587		)
Asset impairment and mine closure costs	—			126,449			16,280		78,150			220,879
Capital expenditures	5,671			137,390			17,923		62,184			223,168

A reconciliation of segment income (loss) from operations to consolidated loss before income taxes follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Loss from operations	$	(35,300	)	$	(234,753	)	$	(144,227	)	$	(322,463	)
Interest expense	(98,217		)	(95,624		)	(292,648		)	(285,454		)
Interest and investment income	1,949			697			5,828			4,749
Loss from continuing operations before income taxes	$	(131,568	)	$	(329,680	)	$	(431,047	)	$	(603,168	)

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Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Accumulated Other Comprenhensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	$ 37,692
Unrealized gains (losses)	(3,083)
Amounts reclassified from AOCI	(3,103)
Balance at September 30, 2014	31,506
Derivative Instruments [Member]
Accumulated Other Comprenhensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	565
Unrealized gains (losses)	1,692
Amounts reclassified from AOCI	(861)
Balance at September 30, 2014	1,396
Pension, Postretirement and Other Postemployment Benefits [Member]
Accumulated Other Comprenhensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	31,112
Unrealized gains (losses)	0
Amounts reclassified from AOCI	(3,409)
Balance at September 30, 2014	27,703
Available-for-Sale Securities [Member]
Accumulated Other Comprenhensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	6,015
Unrealized gains (losses)	(4,775)
Amounts reclassified from AOCI	1,167
Balance at September 30, 2014	$ 2,407

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Basis of Presentation (Policy)

9 Months Ended

Sep. 30, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

The Company completed the sale of Canyon Fuel Company, LLC ("Canyon Fuel") on August 16, 2013. The results of Canyon Fuel have been segregated from continuing operations and are reflected, net of tax, as discontinued operations in the condensed consolidated statements of operations for the three and nine months endedSeptember 30, 2013.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial reporting and U.S. Securities and Exchange Commission regulations. In the opinion of management, all adjustments, consisting of normal, recurring accruals considered necessary for a fair presentation, have been included. Results of operations for the three and nine months endedSeptember 30, 2014 are not necessarily indicative of results to be expected for the year ending December 31, 2014. These financial statements should be read in conjunction with the audited financial statements and related notes as of and for the year ended December 31, 2013 included in the Company’s Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission.

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Basis of Presentation

9 Months Ended

Sep. 30, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements include the accounts of Arch Coal, Inc. and its subsidiaries (the “Company”). The Company’s primary business is the production of thermal and metallurgical coal from surface and underground mines located throughout the United States, for sale to utility, industrial and steel producers both in the United States and around the world. The Company currently operates mining complexes in West Virginia, Illinois, Wyoming and Colorado. All subsidiaries are wholly-owned. Intercompany transactions and accounts have been eliminated in consolidation.

The Company completed the sale of Canyon Fuel Company, LLC ("Canyon Fuel") on August 16, 2013. The results of Canyon Fuel have been segregated from continuing operations and are reflected, net of tax, as discontinued operations in the condensed consolidated statements of operations for the three and nine months endedSeptember 30, 2013.

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial reporting and U.S. Securities and Exchange Commission regulations. In the opinion of management, all adjustments, consisting of normal, recurring accruals considered necessary for a fair presentation, have been included. Results of operations for the three and nine months endedSeptember 30, 2014 are not necessarily indicative of results to be expected for the year ending December 31, 2014. These financial statements should be read in conjunction with the audited financial statements and related notes as of and for the year ended December 31, 2013 included in the Company’s Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission.

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Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net loss	$ (97,218)	$ (128,363)	$ (318,217)	$ (270,618)
Derivative instruments
Comprehensive income (loss) before tax	520	1,346	1,298	(224)
Income tax benefit (provision)	(187)	(486)	(467)	82
Derivatives Qualifying as Hedges, Adjustment, Net of Tax	333	860	831	(142)
Pension, postretirement and other post-employment benefits
Comprehensive income (loss) before tax	(1,210)	1,277	(5,326)	4,981
Income tax benefit (provision)	435	(458)	1,917	(1,791)
Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(775)	819	(3,409)	3,190
Available-for-sale securities
Comprehensive income (loss) before tax	(2,401)	1,136	(5,637)	7,648
Income tax benefit (provision)	864	(448)	2,029	(2,795)
Available-for-sale Securities Adjustment, Net of Tax	(1,537)	688	(3,608)	4,853
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(1,979)	2,367	(6,186)	7,901
Total comprehensive loss	$ (99,197)	$ (125,996)	$ (324,403)	$ (262,717)

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Income Taxes

9 Months Ended

Sep. 30, 2014

Income Tax Disclosure [Abstract]

Income Taxes

Income taxes

During the first quarter of 2014, the Company determined it was more likely than not that a portion of the federal and state net operating losses it expects to generate in 2014 will not be realized based on projections of future taxable income. Accordingly, the estimated annual effective rate for the year ended December 31, 2014 includes a valuation allowance for that portion. In applying the estimated annual effective rate to earnings, the Company increased its valuation allowance by $15.8 million for the three months ended September 30, 2014 and $57.9 million for the nine months ended September 30, 2014 relating to federal and state net operating losses.

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Document And Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 31, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	ARCH COAL INC
Entity Central Index Key	0001037676
Document Type	10-Q
Document Period End Date	Sep. 30, 2014
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Common Stock, Shares Outstanding		212,274,112

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Fair Value Measurements

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The hierarchy of fair value measurements assigns a level to fair value measurements based on the inputs used in the respective valuation techniques. The levels of the hierarchy, as defined below, give the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs.

·Level 1 is defined as observable inputs such as quoted prices in active markets for identical assets. Level 1 assets include available-for-sale equity securities, U.S. Treasury securities, and coal futures that are submitted for clearing on the New York Mercantile Exchange.

·Level 2 is defined as observable inputs other than Level 1 prices. These include quoted prices for similar assets or liabilities in an active market, quoted prices for identical assets and liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. The Company’s level 2 assets and liabilities include U.S. government agency securities and commodity contracts (coal and heating oil) with fair values derived from quoted prices in over-the-counter markets or from prices received from direct broker quotes.

·Level 3 is defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. These include the Company’s commodity option contracts (coal, natural gas and heating oil) valued using modeling techniques, such as Black-Scholes, that require the use of inputs, particularly volatility, that are rarely observable. Changes in the unobservable inputs would not have a significant impact on the reported Level 3 fair values at September 30, 2014.

The table below sets forth, by level, the Company’s financial assets and liabilities that are recorded at fair value in the accompanying condensed consolidated balance sheet: 

	September 30, 2014
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Investments in marketable securities	$	261,985	$	12,918	$	249,067	$	—
Derivatives	17,082		12,144		392		4,546
Total assets	$	279,067	$	25,062	$	249,459	$	4,546
Liabilities:
Derivatives	$	56	$	—	$	49	$	7

The Company’s contracts with its counterparties allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. For classification purposes, the Company records the net fair value of all the positions with these counterparties as a net asset or liability. Each level in the table above displays the underlying contracts according to their classification in the accompanying condensed consolidated balance sheet, based on this counterparty netting.

The following table summarizes the change in the fair values of financial instruments categorized as level 3.

	Three Months Ended September 30, 2014			Nine Months Ended September 30, 2014
	(In thousands)
Balance, beginning of period	$	6,037		$	4,946
Realized and unrealized losses recognized in earnings, net	(2,131		)	(4,851		)
Purchases	1,080			4,891
Issuances	(447		)	(447		)
Ending balance	$	4,539		$	4,539

Net unrealized losses of $1.8 million and losses of $1.7 million were recognized during the three and nine months endedSeptember 30,2014, respectively, related to level 3 financial instruments held on September 30, 2014.

Fair Value of Long-Term Debt

At September 30, 2014 and December 31, 2013, the fair value of the Company’s debt, including amounts classified as current, was $3.6 billion and $4.6 billion, respectively. Fair values are based upon observed prices in an active market, when available, or from valuation models using market information, which fall into Level 2 in the fair value hierarchy.

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 795,934	$ 911,099
Short term investments	249,067	248,414
Trade accounts receivable	213,369	198,020
Other receivables	32,769	31,553
Inventories	209,659	264,161
Prepaid royalties	11,021	8,083
Deferred income taxes	48,786	49,144
Coal derivative assets	15,642	14,851
Other current assets	49,470	56,746
Total current assets	1,625,717	1,782,071
Property, plant and equipment, net	6,532,118	6,734,286
Other assets
Prepaid royalties	82,598	87,577
Equity investments	232,077	221,456
Other noncurrent assets	146,272	164,803
Total other assets	460,947	473,836
Total assets	8,618,782	8,990,193
Current liabilities
Accounts payable	173,835	176,142
Accrued expenses and other current liabilities	342,709	278,587
Current maturities of debt	29,977	33,493
Total current liabilities	546,521	488,222
Long-term debt	5,126,186	5,118,002
Asset retirement obligations	400,935	402,713
Accrued pension benefits	15,294	7,111
Accrued postretirement benefits other than pension	39,127	39,255
Accrued workers’ compensation	78,520	78,062
Deferred income taxes	296,639	413,546
Other noncurrent liabilities	181,163	190,033
Total liabilities	6,684,385	6,736,944
Stockholders' equity
Common stock, $0.01 par value, authorized 260,000 shares, issued 213,791 shares and 213,792 shares at both September 30, 2014 and December 31, 2013, respectively	2,141	2,141
Paid-in capital	3,046,302	3,038,613
Treasury stock, at cost	(53,863)	(53,848)
Accumulated deficit	(1,091,689)	(771,349)
Accumulated other comprehensive income	31,506	37,692
Total stockholders’ equity	1,934,397	2,253,249
Total liabilities and stockholders’ equity	$ 8,618,782	$ 8,990,193

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Inventories

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following: 

	September 30,		December 31,
	2014		2013
	(In thousands)
Coal	$	83,708	$	117,531
Repair parts and supplies	125,951		137,497
Work-in-process	—		9,133
	$	209,659	$	264,161

The repair parts and supplies are stated net of an allowance for slow-moving and obsolete inventories of $8.7 million at September 30, 2014 and $8.4 million at December 31, 2013.

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Impairment Charges (Notes)

9 Months Ended

Sep. 30, 2014

Restructuring Costs and Asset Impairment Charges [Abstract]

Restructuring, Impairment, and Other Activities Disclosure

5. Impairment Charges

In the face of weak coal markets, the Company idled a higher-cost mining complex in the third quarter of 2014 in order to concentrate on metallurgical coal production from its lowest-cost and highest-margin operations. Closure charges of $5.1 million were recognized during the three months ended September 30, 2014 relating to the idling.

As a result of the weak thermal coal markets in Appalachia, the Company assessed in the third quarter of 2013 whether the carrying values of certain assets were recoverable through future cash flows. The Company determined that the carrying amounts of certain assets associated with the Hazard mining complex in Kentucky and the Company's ADDCAR subsidiary, which manufactures and sells its patented highwall mining system, could not be recovered through future cash flows expected to be generated from use of the assets and their ultimate disposal. An impairment loss of $142.8 million was recognized to write the carrying value of the assets to their fair value of $71.3 million.

During the second quarter of 2013, Tenaska Trailblazer Partners, LLC announced that it was discontinuing its development plans for the Trailblazer Energy Center in Texas. As a result, the Company recorded a $20.5 million impairment charge, which consisted of its 35% equity investment of $15.3 million and a $5.2 million receivable balance related to reimbursements for development work.

The Company recorded an impairment charge of $57.7 million in the third quarter of 2013 related to its investment in DKRW Advanced Fuels, LLC ("DKRW"), a company engaged in developing coal-to-liquids facilities. DKRW had previously entered into an Engineering, Procurement and Construction Agreement with a Chinese company to construct and commission the Medicine Bow coal-to-liquids facility. The project did not progress to the next stage of development, and the impairment charge included the Company's 24% equity investment of $13.7 million and a $44.0 million loan receivable balance.

The impairment and closure charges are included on the line "Asset impairment and mine closure costs" in the condensed consolidated statement of operations.

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Supplemental Consolidating Financial Information

9 Months Ended

Sep. 30, 2014

Supplemental Condensed Consolidating Financial Information [Abstract]

Supplemental Condensed Consolidating Financial Information

Supplemental Consolidating Financial Information

Pursuant to the indentures governing Arch Coal, Inc.’s senior notes, certain wholly-owned subsidiaries of the Company have fully and unconditionally guaranteed the senior notes on a joint and several basis. The following tables present condensed consolidating financial information for (i) the Company, (ii) the issuer of the senior notes, (iii) the guarantors under the senior notes, and (iv) the entities which are not guarantors under the senior notes (Arch Receivable Company, LLC and the Company’s subsidiaries outside the United States):

Condensed Consolidating Statements of Operations

Three Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	742,180		$	—		$	—		$	742,180
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	2,442			645,672			—			(1,018		)	647,096
Depreciation, depletion and amortization	1,175			103,971			9			—			105,155
Amortization of acquired sales contracts, net	—			(3,013		)	—			—			(3,013		)
Change in fair value of coal derivatives and coal trading activities, net	—			(3,733		)	—			—			(3,733		)
Asset impairment and mine closure costs	—			5,060			—			—			5,060
Selling, general and administrative expenses	19,542			7,427			1,679			(512		)	28,136
Other operating income, net	1,562			(2,942		)	(1,371		)	1,530			(1,221		)
	24,721			752,442			317			—			777,480
Income from investment in subsidiaries	2,005			—			—			(2,005		)	—
Loss from operations	(22,716		)	(10,262		)	(317		)	(2,005		)	(35,300		)
Interest expense, net
Interest expense	(116,742		)	(6,577		)	(1,116		)	26,218			(98,217		)
Interest and investment income	7,872			18,987			1,308			(26,218		)	1,949
	(108,870		)	12,410			192			—			(96,268		)
Income (loss) from continuing operations before income taxes	(131,586		)	2,148			(125		)	(2,005		)	(131,568		)
Benefit from income taxes	(34,368		)	—			18			—			(34,350		)
Net income (loss)	$	(97,218	)	$	2,148		$	(143	)	$	(2,005	)	$	(97,218	)
Total comprehensive income (loss)	$	(99,197	)	$	1,717		$	(143	)	$	(1,574	)	$	(99,197	)

Condensed Consolidating Statements of Operations

Three Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	791,269		$	—		$	—		$	791,269
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	169			688,543			—			—			688,712
Depreciation, depletion and amortization	1,549			104,765			9			—			106,323
Amortization of acquired sales contracts, net	—			(2,568		)	—			—			(2,568		)
Change in fair value of coal derivatives and coal trading activities, net	—			9,753			—			—			9,753
Asset impairment and mine closure costs	57,668			142,729			—			—			200,397
Selling, general and administrative expenses	19,104			8,214			1,482			—			28,800
Other operating income, net	2,345			(7,740		)	—			—			(5,395		)
	80,835			943,696			1,491			—			1,026,022
Loss from investment in subsidiaries	(61,537		)	—			—			61,537			—
Loss from operations	(142,372		)	(152,427		)	(1,491		)	61,537			(234,753		)
Interest expense, net
Interest expense	(114,536		)	(6,222		)	(1,070		)	26,204			(95,624		)
Interest and investment income	6,606			18,975			1,320			(26,204		)	697
	(107,930		)	12,753			250			—			(94,927		)
Loss from continuing operations before income taxes	(250,302		)	(139,674		)	(1,241		)	61,537			(329,680		)
Provision for (benefit from) income taxes	(121,939		)	—			26			—			(121,913		)
Loss from continuing operations	(128,363		)	(139,674		)	(1,267		)	61,537			(207,767		)
Income from discontinued operations, net of tax	—			79,404			—			—			79,404
Net loss	$	(128,363	)	$	(60,270	)	$	(1,267	)	$	61,537		$	(128,363	)
Total comprehensive loss	$	(125,996	)	$	(59,241	)	$	(1,267	)	$	60,508		$	(125,996	)

Condensed Consolidating Statements of Operations

Nine Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,191,927		$	—		$	—		$	2,191,927
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	9,378			1,948,918			—			(2,749		)	1,955,547
Depreciation, depletion and amortization	3,993			308,022			27			—			312,042
Amortization of acquired sales contracts, net	—			(9,948		)	—			—			(9,948		)
Change in fair value of coal derivatives and coal trading activities, net	—			(5,811		)	—			—			(5,811		)
Asset impairment costs	1,512			5,060			—			—			6,572
Selling, general and administrative expenses	61,216			22,540			4,971			(1,524		)	87,203
Other operating income, net	1,272			(10,869		)	(4,127		)	4,273			(9,451		)
	77,371			2,257,912			871			—			2,336,154
Loss from investment in subsidiaries	(30,839		)	—			—			30,839			—
Loss from operations	(108,210		)	(65,985		)	(871		)	30,839			(144,227		)
Interest expense, net
Interest expense	(346,481		)	(19,466		)	(3,258		)	76,557			(292,648		)
Interest and investment income	23,598			54,979			3,808			(76,557		)	5,828
	(322,883		)	35,513			550			—			(286,820		)
Loss from continuing operations before income taxes	(431,093		)	(30,472		)	(321		)	30,839			(431,047		)
Provision for (benefit from) income taxes	(112,876		)	—			46			—			(112,830		)
Net loss	$	(318,217	)	$	(30,472	)	$	(367	)	$	30,839		$	(318,217	)
Total comprehensive loss	$	(324,403	)	$	(33,062	)	$	(367	)	$	33,429		$	(324,403	)

Condensed Consolidating Statements of Operations

Nine Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non- Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Revenues	$	—		$	2,294,971		$	—		$	—		$	2,294,971
Costs, expenses and other
Cost of sales (exclusive of items shown separately below)	4,881			1,989,772			—			—			1,994,653
Depreciation, depletion and amortization	4,430			323,144			27			—			327,601
Amortization of acquired sales contracts, net	—			(7,587		)	—			—			(7,587		)
Change in fair value of coal derivatives and coal trading activities, net	—			2,053			—			—			2,053
Asset impairment costs	78,150			142,729			—			—			220,879
Selling, general and administrative expenses	63,006			28,978			4,327			—			96,311
Other operating income, net	(4,663		)	(10,704		)	(1,109		)	—			(16,476		)
	145,804			2,468,385			3,245			—			2,617,434
Income from investment in subsidiaries	(42,199		)	—			—			42,199			—
Loss from operations	(188,003		)	(173,414		)	(3,245		)	42,199			(322,463		)
Interest expense, net
Interest expense	(336,310		)	(18,502		)	(3,170		)	72,528			(285,454		)
Interest and investment income	22,917			49,986			4,374			(72,528		)	4,749
	(313,393		)	31,484			1,204			—			(280,705		)
Loss from continuing operations before income taxes	(501,396		)	(141,930		)	(2,041		)	42,199			(603,168		)
Provision for (benefit from) income taxes	(230,778		)	—			44			—			(230,734		)
Loss from continuing operations	(270,618		)	(141,930		)	(2,085		)	42,199			(372,434		)
Income from discontinued operations, net of tax	—			101,816			—			—			101,816
Net loss	$	(270,618	)	$	(40,114	)	$	(2,085	)	$	42,199		$	(270,618	)
Total comprehensive loss	$	(262,717	)	$	(39,175	)	$	(2,085	)	$	41,260		$	(262,717	)

Condensed Consolidating Balance Sheets

September 30, 2014

	Parent/Issuer		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets	$ 628,251
Cash and cash equivalents	$	633,822	$	150,359	$	11,753	$	—		$	795,934
Short term investments	249,067		—		—		—			249,067
Receivables	24,438		13,496		212,813		(4,609		)	246,138
Inventories	—		209,659		—		—			209,659
Other	83,939		40,717		263		—			124,919
Total current assets	991,266		414,231		224,829		(4,609		)	1,625,717
Property, plant and equipment, net	10,120		6,521,641		10		347			6,532,118
Investment in subsidiaries	7,641,207		—		—		(7,641,207		)	—
Intercompany receivables	—		2,095,207		—		(2,095,207		)	—
Note receivable from Arch Western	675,000		—		—		(675,000		)	—
Other	145,757		315,065		125		—			460,947
Total other assets	8,461,964		2,410,272		125		(10,411,414		)	460,947
Total assets	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782
Liabilities and Stockholders’ Equity
Accounts payable	$	11,093	$	162,701	$	41	$	—		$	173,835
Accrued expenses and other current liabilities	118,162		228,126		1,030		(4,609		)	342,709
Current maturities of debt	22,068		7,909		—		—			29,977
Total current liabilities	151,323		398,736		1,071		(4,609		)	546,521
Long-term debt	5,088,466		37,720		—		—			5,126,186
Intercompany payables	1,898,152		—		197,055		(2,095,207		)	—
Note payable to Arch Coal	—		675,000		—		(675,000		)	—
Asset retirement obligations	1,056		399,879		—		—			400,935
Accrued pension benefits	3,151		12,143		—		—			15,294
Accrued postretirement benefits other than pension	4,500		34,627		—		—			39,127
Accrued workers’ compensation	29,683		48,837		—		—			78,520
Deferred income taxes	296,639		—		—		—			296,639
Other noncurrent liabilities	56,330		124,509		324		—			181,163
Total liabilities	7,529,300		1,731,451		198,450		(2,774,816		)	6,684,385
Stockholders’ equity	1,934,050		7,614,693		26,514		(7,640,860		)	1,934,397
Total liabilities and stockholders’ equity	$	9,463,350	$	9,346,144	$	224,964	$	(10,415,676	)	$	8,618,782

Condensed Consolidating Balance Sheets

December 31, 2013

	Parent/Issuer		Guarantor Subsidiaries			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(In thousands)
Assets
Cash and cash equivalents	$	799,333	$	100,418		$	11,348	$	—		$	911,099
Short term investments	248,414		—			—		—			248,414
Receivables	14,177		23,018			197,015		(4,637		)	229,573
Inventories	—		264,161			—		—			264,161
Other	84,401		43,617			806		—			128,824
Total current assets	1,146,325		431,214			209,169		(4,637		)	1,782,071
Property, plant and equipment, net	24,851		6,709,398			37		—			6,734,286
Investment in subsidiaries	7,709,201		—			—		(7,709,201		)	—
Intercompany receivables	—		1,921,331			—		(1,921,331		)	—
Note receivable from Arch Western	675,000		—			—		(675,000		)	—
Other	162,287		311,463			86		—			473,836
Total other assets	8,546,488		2,232,794			86		(10,305,532		)	473,836
Total assets	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193
Liabilities and Stockholders’ Equity
Accounts payable	$	17,781	$	158,224		$	137	$	—		$	176,142
Accrued expenses and other current liabilities	53,779		228,664			781		(4,637		)	278,587
Current maturities of debt	28,882		4,611			—		—			33,493
Total current liabilities	100,442		391,499			918		(4,637		)	488,222
Long-term debt	5,099,833		18,169			—		—			5,118,002
Intercompany payables	1,740,236		—			181,095		(1,921,331		)	—
Note payable to Arch Coal	—		675,000			—		(675,000		)	—
Asset retirement obligations	1,095		401,618			—		—			402,713
Accrued pension benefits	7,797		(686		)	—		—			7,111
Accrued postretirement benefits other than pension	12,079		27,176			—		—			39,255
Accrued workers’ compensation	21,546		56,516			—		—			78,062
Deferred income taxes	413,546		—			—		—			413,546
Other noncurrent liabilities	67,841		121,794			398		—			190,033
Total liabilities	7,464,415		1,691,086			182,411		(2,600,968		)	6,736,944
Stockholders’ equity	2,253,249		7,682,320			26,881		(7,709,201		)	2,253,249
Total liabilities and stockholders’ equity	$	9,717,664	$	9,373,406		$	209,292	$	(10,310,169	)	$	8,990,193

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30,2014

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations		Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(342,497	)	$	360,036		$	(15,549	)	$	—	$	1,990
Investing Activities
Capital expenditures	(1,195		)	(117,506		)	—			—		(118,701		)
Minimum royalty payments	—			(3,604		)	—			—		(3,604		)
Proceeds from disposals and divestitures	46,634			4,337			—			—		50,971
Purchases of marketable securities	(181,546		)	—			—			—		(181,546		)
Proceeds from sale or maturity of marketable securities and other investments	178,293			—			—			—		178,293
Investments in and advances to affiliates	(2,047		)	(11,346		)	—			—		(13,393		)
Cash provided by (used in) investing activities	40,139			(128,119		)	—			—		(87,980		)
Financing Activities
Payments on term loan	(14,625		)	—			—			—		(14,625		)
Net payments on other debt	(6,814		)	(3,373		)	—			—		(10,187		)
Debt financing costs	(2,219		)	—			—			—		(2,219		)
Dividends paid	(2,123		)	—			—			—		(2,123		)
Other	(15		)	—			(6		)	—		(21		)
Transactions with affiliates, net	162,643			(178,603		)	15,960			—		—
Cash provided by (used in) financing activities	136,847			(181,976		)	15,954			—		(29,175		)
Increase (decrease) in cash and cash equivalents	(165,511		)	49,941			405			—		(115,165		)
Cash and cash equivalents, beginning of period	799,333			100,418			11,348			—		911,099
Cash and cash equivalents, end of period	$	633,822		$	150,359		$	11,753		$	—	$	795,934

Condensed Consolidating Statements of Cash Flows

Nine Months Ended September 30,2013

	Parent/Issuer			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(In thousands)
Cash provided by (used in) operating activities	$	(22,206	)	$	153,868		$	54,930		$	—		$	186,592
Investing Activities
Capital expenditures	(2,488		)	(220,680		)	—			—			(223,168		)
Minimum royalty payments	—			(10,901		)	—			—			(10,901		)
Proceeds from sale-leaseback transactions	—			34,919			—			—			34,919
Proceeds from disposals and divestitures	—			431,462			—			—			431,462
Purchases of short term investments	(85,418		)	—			—			—			(85,418		)
Proceeds from sales of short term investments	67,255			—			—			—			67,255
Investments in and advances to affiliates	(4,016		)	(7,492		)	—			384			(11,124		)
Change in restricted cash	3,453			—			—			—			3,453
Cash provided by (used in) investing activities	(21,214		)	227,308			—			384			206,478
Financing Activities
Contributions from parent	—			384			—			(384		)	—
Payments on term loan	(12,375		)	—			—			—			(12,375		)
Net payments on other debt	(12,700		)	(384		)	—			—			(13,084		)
Dividends paid	(19,105		)	—			—			—			(19,105		)
Transactions with affiliates, net	437,532			(381,234		)	(56,298		)	—			—
Cash provided by (used in) financing activities	393,352			(381,234		)	(56,298		)	(384		)	(44,564		)
Decrease in cash and cash equivalents	349,932			(58		)	(1,368		)	—			348,506
Cash and cash equivalents, beginning of period	671,313			100,468			12,841			—			784,622
Cash and cash equivalents, end of period	$	1,021,245		$	100,410		$	11,473		$	—		$	1,133,128

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Loss Per Common Share

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Loss Per Common Share

Loss Per Common Share

The effect of options, restricted stock and restricted stock units equaling 8.3 million shares and 7.4 million shares of common stock were excluded from the calculation of diluted weighted average shares outstanding for the three and nine months endedSeptember 30, 2014 and 7.0 million and 7.9 million shares for the three and nine months endedSeptember 30,2013, respectively, because the exercise price or grant price of the securities exceeded the average market price of the Company's common stock for these periods. The weighted average share impacts of options, restricted stock and restricted stock units that were excluded from the calculation of weighted average shares due to the Company's incurring a net loss for the three and nine months endedSeptember 30,2014 were 1.6 million and 2.0 million, respectively. The weighted average share impacts of options, restricted stock and restricted stock units that were excluded from the calculation of weighted average shares due to the Company's incurring a net loss for the three and nine months endedSeptember 30,2013 were not significant.

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Accrued Expenses and Other Current Liabilities

9 Months Ended

Sep. 30, 2014

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:

	September 30,		December 31,
	2014		2013
	(In thousands)
Payroll and employee benefits	$	72,116	$	67,621
Taxes other than income taxes	114,183		114,664
Interest	77,564		18,528
Acquired sales contracts	12,690		14,373
Workers’ compensation	16,085		12,434
Asset retirement obligations	22,681		24,940
Other	27,390		26,027
	$	342,709	$	278,587

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Segment Information (Reconciliation Statement Of Segment Income from Operations To Consolidated Income Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting [Abstract]
Loss from operations	$ (35,300)	$ (234,753)	$ (144,227)	$ (322,463)
Interest expense	(98,217)	(95,624)	(292,648)	(285,454)
Interest and investment income	1,949	697	5,828	4,749
Loss from continuing operations before income taxes	$ (131,568)	$ (329,680)	$ (431,047)	$ (603,168)

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Investments in Available-for-Sale Securities

9 Months Ended

Sep. 30, 2014

Available-for-sale Securities [Abstract]

Investments in Available-for-Sale Securities

Investments in Available-for-Sale Securities

The Company has invested in marketable debt securities, primarily highly liquid AA-rated corporate bonds and U.S. government and government agency securities. These investments are held in the custody of a major financial institution. These securities, along with the Company's investments in marketable equity securities, are classified as available-for-sale securities and, accordingly, the unrealized gains and losses are recorded through other comprehensive income.

The Company's investments in available-for-sale marketable securities are as follows:

	September 30, 2014
										Balance Sheet
			Accumulated							Classification
			Gross Unrealized					Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	—	$	—	$	—		$	—	$	—	$	—
Corporate notes and bonds	$	252,813	$	1	$	(3,747	)	$	249,067	$	249,067	$	—
Equity securities	5,420		10,257		(2,759		)	12,918		—		12,918
Total Investments	$	258,233	$	10,258	$	(6,506	)	$	261,985	$	249,067	$	12,918

	December 31, 2013
										Balance Sheet
			Gross		Gross					Classification
			Unrealized		Unrealized			Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
U.S. government and agency securities	$	65,002	$	11	$	(75	)	$	64,938	$	64,938	$	—
Corporate notes and bonds	184,773		7		(1,304		)	183,476		183,476		—
Equity securities	5,271		13,660		(2,902		)	16,029		—		16,029
Total Investments	$	255,046	$	13,678	$	(4,281	)	$	264,443	$	248,414	$	16,029

The aggregate fair value of investments with unrealized losses that were owned for less than a year was $230.3 million and $164.3 million at September 30, 2014 and December 31, 2013, respectively. The aggregate fair value of investments with unrealized losses that were owned for over a year, and were also in a continuous unrealized loss position during that time, was $17.1 million and $48.7 million at September 30, 2014 and December 31, 2013, respectively.

The debt securities outstanding at September 30, 2014 have maturity dates ranging from the fourth quarter of 2014 through the fourth quarter of 2015. The Company classifies its investments as current based on the nature of the investments and their availability to provide cash for use in current operations.

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Derivatives

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

Diesel fuel price risk management

The Company is exposed to price risk with respect to diesel fuel purchased for use in its operations. The Company anticipates purchasing approximately 57 to 67 million gallons of diesel fuel for use in its operations during 2014 and 2015. To protect the Company’s cash flows from increases in the price of diesel fuel for its operations, the Company uses forward physical diesel purchase contracts and purchased heating oil call options. At September 30, 2014, the Company had protected the price of approximately 87% of its expected purchases for the remainder of 2014 and 83% of its expected 2015 purchases. At September 30, 2014, the Company had purchased heating oil call options for approximately 69 million gallons for the purpose of managing the price risk associated with future diesel purchases.

The Company has also purchased heating oil call options to manage the price risk associated with fuel surcharges on its barge and rail shipments, which cover increases in diesel fuel prices for the respective carriers. At September 30, 2014, the Company held heating oil call options for 1.3 million gallons that will settle in the fourth quarter of 2014 for the purpose of managing the fluctuations in cash flows associated with fuel surcharges on future shipments.

These positions reduce the Company’s risk of cash flow fluctuations related to these surcharges but the positions are not accounted for as hedges.

Coal price risk management positions

The Company may sell or purchase forward contracts, swaps and options in the over-the-counter coal market in order to manage its exposure to coal prices. The Company has exposure to the risk of fluctuating coal prices related to forecasted sales or purchases of coal or to the risk of changes in the fair value of a fixed price physical sales contract. Certain derivative contracts may be designated as hedges of these risks.

At September 30, 2014, the Company held derivatives for risk management purposes that are expected to settle in the following years:

(Tons in thousands)	2014	2015	2016	Total
Coal sales	1,156	2,340	160	3,656
Coal purchases	751	825	—	1,576

The Company has also entered into a nominal quantity of natural gas put options to protect the Company from decreases in natural gas prices, which could impact coal demand. These options are not accounted for as hedges.

Coal trading positions

The Company may sell or purchase forward contracts, swaps and options in the over-the-counter coal market for trading purposes. The Company is exposed to the risk of changes in coal prices on the value of its coal trading portfolio. The estimated future realization of the value of the trading portfolio is $4.7 million of gains during the remainder of 2014 and $4.2 million of gains in 2015.

Tabular derivatives disclosures

The Company has master netting agreements with all of its counterparties which allow for the settlement of contracts in an asset position with contracts in a liability position in the event of default or termination. Such netting arrangements reduce the Company’s credit exposure related to these counterparties. For classification purposes, the Company records the net fair value of all the positions with a given counterparty as a net asset or liability in the condensed consolidated balance sheets. The amounts shown in the table below represent the fair value position of individual contracts, and not the net position presented in the accompanying condensed consolidated balance sheets. The fair value and location of derivatives reflected in the accompanying condensed consolidated balance sheets are as follows:

	September 30, 2014								December 31, 2013
Fair Value of Derivatives	Asset			Liability					Asset			Liability
(In thousands)	Derivative			Derivative					Derivative			Derivative
Derivatives Designated as Hedging Instruments
Coal	$	1,680		$	—				$	909		$	(26	)
Derivatives Not Designated as Hedging Instruments
Heating oil -- diesel purchases	1,440			—					4,681			—
Heating oil -- fuel surcharges	1			—					422			—
Coal -- held for trading purposes	75,061			(66,137		)			55,327			(45,763		)
Coal -- risk management	7,707			(2,861		)			6,342			(1,950		)
Natural gas	225			(90		)			—			—
Total	84,434			(69,088		)			66,772			(47,713		)
Total derivatives	86,114			(69,088		)			67,681			(47,739		)
Effect of counterparty netting	(69,032		)	69,032					(47,727		)	47,727
Net derivatives as classified in the balance sheets	$	17,082		$	(56	)	$	17,026	$	19,954		$	(12	)	$	19,942

		September 30, 2014			December 31, 2013
Net derivatives as reflected on the balance sheets		2835
Heating oil	Other current assets	$	1,440		$	5,103
Coal	Coal derivative assets	15,642			14,851
	Accrued expenses and other current liabilities	(56		)	(12		)
		$	17,026		$	19,942

The Company had a current liability for the obligation to post cash collateral of $3.8 million at September 30, 2014 and a current asset for the right to reclaim cash collateral of $2.2 million at December 31, 2013. These amounts are not included with the derivatives presented in the table above and are included in "accrued expenses and other current liabilities" and “other current assets”, respectively, in the accompanying condensed consolidated balance sheets.

The effects of derivatives on measures of financial performance are as follows:

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	3,449		$	3,132		$	1,639		$	911
Coal purchases	(2)	(2,041		)	(942		)	(747		)	123
Totals		$	1,408		$	2,190		$	892		$	1,034

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the three month periods ended September 30, 2014 and 2013.  

Derivatives Not Designated as Hedging Instruments (in thousands)

Three Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	1,610		$	(10,668	)
Coal — realized	(4)	$	502		$	9,929
Natural gas  — unrealized	(3)	$	238		$	—
Heating oil — diesel purchases	(4)	$	(3,746	)	$	(288	)
Heating oil — fuel surcharges	(4)	$	(104	)	$	(222	)

____________________________________________________________

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

Derivatives used in Cash Flow Hedging Relationships (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized in Other Comprehensive Income(Effective Portion)						Gains (Losses) Reclassified from Other Comprehensive Income into Income (Effective Portion)
		2014			2013			2014			2013
Coal sales	(1)	$	4,806		$	2,308		$	2,568		$	2,822
Coal purchases	(2)	(2,162		)	(511		)	(1,222		)	(633		)
Totals		$	2,644		$	1,797		$	1,346		$	2,189

No ineffectiveness or amounts excluded from effectiveness testing relating to the Company’s cash flow hedging relationships were recognized in the results of operations in the nine month periods ended September 30, 2014 and 2013.  

Derivatives Not Designated as Hedging Instruments (in thousands)

Nine Months Ended September 30,

		Gain (Loss) Recognized
		2014			2013
Coal — unrealized	(3)	$	455		$	(5,089	)
Coal — realized	(4)	$	4,699		$	25,725
Natural gas  — unrealized	(3)	$	(21	)	$	—
Heating oil — diesel purchases	(4)	$	(6,709	)	$	(9,760	)
Heating oil — fuel surcharges	(4)	$	(405	)	$	(817	)

____________________________________________________________

Location in statement of operations:

(1) — Revenues

(2) — Cost of sales

(3) — Change in fair value of coal derivatives and coal trading activities, net

(4) — Other operating income, net

Based on fair values at September 30, 2014, gains on derivative contracts designated as hedge instruments in cash flow hedges of approximately $2.0 million are expected to be reclassified from other comprehensive income into earnings during the next twelve months. 

Related to its trading portfolio, the Company recognized net unrealized and realized gains of $1.9 million and $0.9 million during the three months ended September 30, 2014 and 2013, respectively; and net unrealized and realized gains of $5.4 million and $3.0 million during the nine months ended September 30,2014 and 2013, respectively. Gains and losses from trading activities are included in the caption “Change in fair value of coal derivatives and coal trading activities, net” in the accompanying condensed consolidated statements of operations, and are not included in the previous tables reflecting the effects of derivatives on measures of financial performance.

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Debt and Financing Arrangements

9 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Debt and Financing Arrangements

Debt and Financing Arrangements

	September 30,		December 31,
	2014		2013
	(In thousands)
Term loan due 2018 ($1.91 billion and $1.93 billion face value, respectively)	$	1,894,794	$	1,906,975
7.00% senior notes due 2019 at par	1,000,000		1,000,000
9.875% senior notes due 2019 ($375.0 million face value)	363,173		362,358
8.00% senior secured notes due 2019 at par	350,000		350,000
7.25% senior notes due 2020 at par	500,000		500,000
7.25% senior notes due 2021 at par	1,000,000		1,000,000
Other	48,196		32,162
	5,156,163		5,151,495
Less current maturities of debt	29,977		33,493
Long-term debt	$	5,126,186	$	5,118,002

At September 30, 2014, the available borrowing capacity under the Company's lines of credit was approximately $260.8 million.

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Supplemental Consolidating Financial Information (Schedule Of Condensed Consolidating Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Cash provided by (used in) operating activities	$ 1,990	$ 186,592
Investing Activities
Payments on term loan	(14,625)	(12,375)
Capital expenditures	(118,701)	(223,168)
Minimum royalty payments	(3,604)	(10,901)
Proceeds from sale-leaseback transactions	0	34,919
Proceeds from disposals and divestitures	50,971	431,462
Purchases of marketable securities	(181,546)	(85,418)
Proceeds from sales of short term investments	178,293	67,255
Investments in and advances to affiliates	(13,393)	(11,124)
Change in restricted cash	0	3,453
Cash provided by (used in) investing activities	(87,980)	206,478
Financing Activities
Contributions from parent
Net payments on other debt	(10,187)	(13,084)
Debt financing costs	(2,219)
Dividends paid	(2,123)	(19,105)
Other	(21)	0
Transactions with affiliates, net
Cash used in financing activities	(29,175)	(44,564)
Increase (decrease) in cash and cash equivalents	(115,165)	348,506
Cash and cash equivalents, beginning of period	911,099	784,622
Cash and cash equivalents, end of period	795,934	1,133,128
Parent/Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Cash provided by (used in) operating activities	(342,497)	(22,206)
Investing Activities
Payments on term loan	(14,625)	(12,375)
Capital expenditures	(1,195)	(2,488)
Minimum royalty payments		0
Proceeds from sale-leaseback transactions		0
Proceeds from disposals and divestitures	46,634	0
Purchases of marketable securities	(181,546)	(85,418)
Proceeds from sales of short term investments	178,293	67,255
Investments in and advances to affiliates	(2,047)	(4,016)
Change in restricted cash		3,453
Cash provided by (used in) investing activities	40,139	(21,214)
Financing Activities
Contributions from parent		0
Net payments on other debt	(6,814)	(12,700)
Debt financing costs	(2,219)
Dividends paid	(2,123)	(19,105)
Other	(15)
Transactions with affiliates, net	162,643	437,532
Cash used in financing activities	136,847	393,352
Increase (decrease) in cash and cash equivalents	(165,511)	349,932
Cash and cash equivalents, beginning of period	799,333	671,313
Cash and cash equivalents, end of period	633,822	1,021,245
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash provided by (used in) operating activities	360,036	153,868
Investing Activities
Payments on term loan	0	0
Capital expenditures	(117,506)	(220,680)
Minimum royalty payments	(3,604)	(10,901)
Proceeds from sale-leaseback transactions		34,919
Proceeds from disposals and divestitures	4,337	431,462
Purchases of marketable securities		0
Proceeds from sales of short term investments		0
Investments in and advances to affiliates	(11,346)	(7,492)
Change in restricted cash		0
Cash provided by (used in) investing activities	(128,119)	227,308
Financing Activities
Contributions from parent		384
Net payments on other debt	(3,373)	(384)
Debt financing costs
Dividends paid		0
Other	0
Transactions with affiliates, net	(178,603)	(381,234)
Cash used in financing activities	(181,976)	(381,234)
Increase (decrease) in cash and cash equivalents	49,941	(58)
Cash and cash equivalents, beginning of period	100,418	100,468
Cash and cash equivalents, end of period	150,359	100,410
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash provided by (used in) operating activities	(15,549)	54,930
Investing Activities
Payments on term loan	0	0
Capital expenditures		0
Minimum royalty payments		0
Proceeds from sale-leaseback transactions		0
Proceeds from disposals and divestitures		0
Purchases of marketable securities		0
Proceeds from sales of short term investments		0
Investments in and advances to affiliates
Change in restricted cash		0
Cash provided by (used in) investing activities
Financing Activities
Contributions from parent		0
Net payments on other debt		0
Debt financing costs
Dividends paid		0
Other	(6)
Transactions with affiliates, net	15,960	(56,298)
Cash used in financing activities	15,954	(56,298)
Increase (decrease) in cash and cash equivalents	405	(1,368)
Cash and cash equivalents, beginning of period	11,348	12,841
Cash and cash equivalents, end of period	11,753	11,473
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash provided by (used in) operating activities		0
Investing Activities
Payments on term loan	0
Capital expenditures		0
Minimum royalty payments		0
Proceeds from sale-leaseback transactions		0
Proceeds from disposals and divestitures		0
Purchases of marketable securities		0
Proceeds from sales of short term investments		0
Investments in and advances to affiliates		384
Change in restricted cash		0
Cash provided by (used in) investing activities		384
Financing Activities
Contributions from parent		(384)
Net payments on other debt
Debt financing costs
Dividends paid
Other	0
Transactions with affiliates, net		0
Cash used in financing activities		(384)
Increase (decrease) in cash and cash equivalents		0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	$ 0	$ 0

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2014

Segment Reporting [Abstract]

Schedule Of Operating Segment Results

	PRB			APP			Other Operating Segments		Corporate, Other and Eliminations			Consolidated
	(in thousands)
Three Months Ended September 30, 2014
Revenues	$	389,386		$	272,354		$	80,440	$	—		$	742,180
Income (loss) from operations	18,797			(35,888		)	17,912		(36,121		)	(35,300		)
Depreciation, depletion and amortization	43,962			48,867			10,499		1,827			105,155
Amortization of acquired sales contracts, net	(1,200		)	(1,815		)	2		—			(3,013		)
Asset impairment and mine closure costs	—			5,060			—		—			5,060
Capital expenditures	8,174			9,039			4,678		1,064			22,955
Three Months Ended September 30, 2013
Revenues	$	420,521		$	263,189		$	107,559	$	—		$	791,269
Income (loss) from operations	20,694			(157,883		)	56		(97,620		)	(234,753		)
Depreciation, depletion and amortization	46,619			46,530			11,958		1,216			106,323
Amortization of acquired sales contracts, net	(864		)	(2,691		)	987		—			(2,568		)
Asset impairment and mine closure costs	—			126,449			16,280		57,668			200,397
Capital expenditures	1,695			44,624			7,122		663			54,104
Nine Months Ended September 30, 2014
Revenues	$	1,106,258		$	832,452		253,217		$	—		$	2,191,927
Income (loss) from operations	19,001			(79,890		)	34,640		(117,978		)	(144,227		)
Depreciation, depletion and amortization	124,243			155,087			29,601		3,111			312,042
Amortization of acquired sales contracts, net	(2,774		)	(7,266		)	92		—			(9,948		)
Asset impairment and mine closure costs	—			5,060			—		1,512			6,572
Capital expenditures	17,230			28,232			8,837		64,402			118,701
Nine Months Ended September 30, 2013
Revenues	$	1,135,892		$	883,485		$	275,594	$	—		$	2,294,971
Income (loss) from operations	53,244			(190,278		)	23,359		(208,788		)	(322,463		)
Depreciation, depletion and amortization	130,993			157,867			34,319		4,422			327,601
Amortization of acquired sales contracts, net	(3,004		)	(7,975		)	3,392		—			(7,587		)
Asset impairment and mine closure costs	—			126,449			16,280		78,150			220,879
Capital expenditures	5,671			137,390			17,923		62,184			223,168

Reconciliation Statement Of Segment Income From Operations To Consolidated Income Before Income Taxes

A reconciliation of segment income (loss) from operations to consolidated loss before income taxes follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Loss from operations	$	(35,300	)	$	(234,753	)	$	(144,227	)	$	(322,463	)
Interest expense	(98,217		)	(95,624		)	(292,648		)	(285,454		)
Interest and investment income	1,949			697			5,828			4,749
Loss from continuing operations before income taxes	$	(131,568	)	$	(329,680	)	$	(431,047	)	$	(603,168	)

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Debt and Financing Arrangements (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Other	$ 48,196,000	$ 32,162,000
Total	5,156,163,000	5,151,495,000
Current maturities of debt	29,977,000	33,493,000
Long-term debt	5,126,186,000	5,118,002,000
Available borrowing capacity under lines of credit	260,800,000
Loans Payable [Member]
Debt Instrument [Line Items]
Term loan due 2018 ($1.91 billion and $1.93 billion face value, respectively)	1,894,794,000	1,906,975,000
Debt Instrument, Face Amount	1,910,000,000	1,930,000,000
7.00% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes	1,000,000,000	1,000,000,000
Senior notes interest rate	7.00%
9.875% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes	363,173,000	362,358,000
Senior notes interest rate	9.875%
Debt Instrument, Face Amount	375,000,000
8% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes	350,000,000	350,000,000
8.00% Senior Secured Notes due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate	8.00%
7.25% Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Senior notes	500,000,000	500,000,000
Senior notes interest rate	7.25%
7.25% Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Senior notes	$ 1,000,000,000	$ 1,000,000,000
Senior notes interest rate	7.25%

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

The Company accrues for costs related to contingencies when a loss is probable and the amount is reasonably determinable. Disclosure of contingencies is included in the financial statements when it is at least reasonably possible that a material loss or an additional material loss in excess of amounts already accrued may be incurred.

Allegheny Energy Supply (“Allegheny”), the sole customer of coal produced at the Company's subsidiary Wolf Run Mining Company's (“Wolf Run”) Sycamore No. 2 mine, filed a lawsuit against Wolf Run, Hunter Ridge Holdings, Inc. (“Hunter Ridge”), and ICG in state court in Allegheny County, Pennsylvania on December 28, 2006, and amended its complaint on April 23, 2007. Allegheny claimed that Wolf Run breached a coal supply contract when it declared force majeure under the contract upon idling the Sycamore No. 2 mine in the third quarter of 2006, and that Wolf Run continued to breach the contract by failing to ship in volumes referenced in the contract.  The Sycamore No. 2 mine was idled after encountering adverse geologic conditions and abandoned gas wells that were previously unidentified and unmapped.

After extensive searching for gas wells and rehabilitation of the mine, it was re-opened in 2007, but with notice to Allegheny that it would necessarily operate at reduced volumes in order to safely and effectively avoid the many gas wells within the reserve.  The amended complaint also alleged that the production stoppages constitute a breach of the guarantee agreement by Hunter Ridge and breach of certain representations made upon entering into the contract in early 2005. Allegheny voluntarily dropped the breach of representation claims later.  Allegheny claimed that it would incur costs in excess of $100 million to purchase replacement coal over the life of the contract.  ICG, Wolf Run and Hunter Ridge answered the amended complaint on August 13, 2007, disputing all of the remaining claims.

On November 3, 2008, ICG, Wolf Run and Hunter Ridge filed an amended answer and counterclaim against the plaintiffs seeking to void the coal supply agreement due to, among other things, fraudulent inducement and conspiracy.  On September 23, 2009, Allegheny filed a second amended complaint alleging several alternative theories of liability in its effort to extend contractual liability to ICG, which was not a party to the original contract and did not exist at the time Wolf Run and Allegheny entered into the contract.  No new substantive claims were asserted.  ICG answered the second amended complaint on October 13, 2009, denying all of the new claims.  The Company's counterclaim was dismissed on motion for summary judgment entered on May 11, 2010.  Allegheny's claims against ICG were also dismissed by summary judgment, but the claims against Wolf Run and Hunter Ridge were not.  The court conducted a non-jury trial of this matter beginning on January 10, 2011 and concluding on February 1, 2011.

At the trial, Allegheny presented its evidence for breach of contract and claimed that it is entitled to past and future damages in the aggregate of between $228 million and $377 million.  Wolf Run and Hunter Ridge presented their defense of the claims, including evidence with respect to the existence of force majeure conditions and excuse under the contract and applicable law.  Wolf Run and Hunter Ridge presented evidence that Allegheny's damages calculations were significantly inflated because it did not seek to determine damages as of the time of the breach and in some instances artificially assumed future nondelivery or did not take into account the apparent requirement to supply coal in the future.  On May 2, 2011, the trial court entered a Memorandum and Verdict determining that Wolf Run had breached the coal supply contract and that the performance shortfall was not excused by force majeure.  The trial court awarded total damages and interest in the amount of $104.1 million, which consisted of $13.8 million for past damages, and $90.3 million for future damages.  ICG and Allegheny filed post-verdict motions in the trial court and on August 23, 2011, the court denied the parties' motions.  The court entered a final judgment on August 25, 2011, in the amount of $104.1 million, which included pre-judgment interest. 

The parties appealed the lower court's decision to the Superior Court of Pennsylvania.  On August 13, 2012, the Superior Court of Pennsylvania affirmed the award of past damages, but ruled that the lower court should have calculated future damages as of the date of breach, and remanded the matter back to the lower court with instructions to recalculate that portion of the award. On November 19, 2012, Allegheny filed a Petition for Allowance of Appeal with the Supreme Court of Pennsylvania and Wolf Run and Hunter Ridge filed an Answer. On July 2, 2013, the Supreme Court of Pennsylvania denied the Petition of Allowance. As this action finalized the past damage award, Wolf Run paid $15.6 million for the past damage amount, including interest, to Allegheny in July 2013. Testimony on the future damage award in the lower court concluded on May 19, 2014, and post-trial briefs and responses were submitted on August 8, 2014. The court held a hearing on this matter on November 5, 2014 and the parties are awaiting further determination by the court.

In addition, the Company is a party to numerous other claims and lawsuits with respect to various matters. As of September 30, 2014 and December 31, 2013, the Company had accrued $22.5 million and $30.4 million, respectively, for all legal matters, including $10.3 million and $11.7 million, respectively, classified as current.  The ultimate resolution of any such legal matter could result in outcomes which may be materially different from amounts the Company has accrued for such matters.

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Divestitures (Tables)

9 Months Ended

Sep. 30, 2014

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures

The following table summarizes the assets and liabilities of these divested operations reflected in the December 31, 2013 consolidated balance sheet (in thousands):

Inventories	$	33,283
Other current assets	1,032
Net property, plant & equipment	104,587
Other noncurrent assets	139
Accounts payable and accrued expenses	13,005
Other noncurrent liabilities	24,276

The following table summarizes the results of Canyon Fuel, reflected as discontinued operations in the condensed consolidated statement of operations through the date of disposition:

	Three Months Ended September 30, 2013		Nine Months Ended September 30, 2013
	(in thousands)
Total revenues	$	45,763	$	219,002
Income from discontinued operations before income taxes	$	3,429	$	32,166
Gain on disposition	115,679		115,679
Less: income tax expense	39,704		46,029
Income from discontinued operations	$	79,404	$	101,816
Basic and diluted earnings per common share from discontinued operations	$	0.37	$	0.48

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Derivatives (Effects Of Derivatives On Measures Of Financial Performance) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI (Effective Portion)	$ 1,408	$ 2,190	$ 2,644	$ 1,797
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	892	1,034	1,346	2,189
Designated as Hedging Instrument [Member] | Coal Contract [Member] | Coal sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI (Effective Portion)	3,449	3,132	4,806	2,308
Designated as Hedging Instrument [Member] | Coal Contract [Member] | Coal purchases [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI (Effective Portion)	(2,041)	(942)	(2,162)	(511)
Sales Revenue, Net [Member] | Designated as Hedging Instrument [Member] | Coal Contract [Member] | Coal sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	1,639	911	2,568	2,822
Cost of Sales [Member] | Designated as Hedging Instrument [Member] | Coal Contract [Member] | Coal purchases [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion	(747)	123	(1,222)	(633)
Change in Fair Value of Coal Derivatives and Coal Trading Activity, Net [Member] | Not Designated as Hedging Instrument [Member] | Coal Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized Gain (Loss) on Derivatives	1,610	(10,668)	455	(5,089)
Change in Fair Value of Coal Derivatives and Coal Trading Activity, Net [Member] | Not Designated as Hedging Instrument [Member] | Natural Gas [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized Gain (Loss) on Derivatives	238	0	(21)	0
Other Operating Income (Expense) [Member] | Not Designated as Hedging Instrument [Member] | Coal Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized Gain (Loss) on Derivatives	502	9,929	4,699	25,725
Other Operating Income (Expense) [Member] | Not Designated as Hedging Instrument [Member] | Heating Oil-Diesel Purchases [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Heating oil realized and unrealized gains and losses	(3,746)	(288)	(6,709)	(9,760)
Other Operating Income (Expense) [Member] | Not Designated as Hedging Instrument [Member] | Heating Oil-Fuel Surcharges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Heating oil realized and unrealized gains and losses	$ (104)	$ (222)	$ (405)	$ (817)

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Impairment Charges (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2013 Tenaska Trailblazer Partners, LLC [Member]	Mar. 31, 2013 Tenaska Trailblazer Partners, LLC [Member]	Sep. 30, 2013 DKRW Advanced Fuels, LLC [Member]	Jun. 30, 2013 DKRW Advanced Fuels, LLC [Member]
Restructuring Cost and Reserve [Line Items]
Impairment and closure charges	$ 5,060,000	$ 200,397,000	$ 6,572,000	$ 220,879,000	$ 20,500,000		$ 57,700,000
Impairment charges - assets to be disposed of		142,818,000
Equity Method Investment, Ownership Percentage						35.00%		24.00%
Equity Method Investment, Other than Temporary Impairment					15,300,000		13,700,000
Losses on write down of receivable from equity method investee					$ 5,200,000		$ 44,000,000

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	260,000,000	260,000,000
Common stock, shares issued	213,791,000	213,792,000
Treasury Stock, Shares	1,517,137	1,511,800

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Divestitures

9 Months Ended

Sep. 30, 2014

Discontinued Operations and Disposal Groups [Abstract]

Divestitures

Divestitures

During the first quarter of 2014, the Company entered into agreements to sell an operating thermal coal complex and an idled thermal coal mine in Kentucky and the Company's ADDCAR subsidiary, which manufactures a patented highwall mining system. The sales closed during the first quarter of 2014 for total consideration of $45.3 million. The Company has received $35.7 million in cash, and the remaining $11.0 million is payable on December 31, 2014. The Company recognized a net pre-tax gain of $14.3 million from these divestitures, reflected in "other operating income, net" in the condensed consolidated statement of operations. The following table summarizes the assets and liabilities of these divested operations reflected in the December 31, 2013 consolidated balance sheet (in thousands):

Inventories	$	33,283
Other current assets	1,032
Net property, plant & equipment	104,587
Other noncurrent assets	139
Accounts payable and accrued expenses	13,005
Other noncurrent liabilities	24,276

The following table summarizes the results of Canyon Fuel, reflected as discontinued operations in the condensed consolidated statement of operations through the date of disposition:

	Three Months Ended September 30, 2013		Nine Months Ended September 30, 2013
	(in thousands)
Total revenues	$	45,763	$	219,002
Income from discontinued operations before income taxes	$	3,429	$	32,166
Gain on disposition	115,679		115,679
Less: income tax expense	39,704		46,029
Income from discontinued operations	$	79,404	$	101,816
Basic and diluted earnings per common share from discontinued operations	$	0.37	$	0.48

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Commitments and Contingencies (Narrative) (Details) (USD $)	1 Months Ended						1 Months Ended
	Jul. 31, 2013	Sep. 30, 2014	Dec. 31, 2013	Aug. 25, 2011	May 02, 2011	Aug. 13, 2007	Feb. 01, 2011 Maximum [Member]	Feb. 01, 2011 Minimum [Member]	Aug. 25, 2011 past damages [Member]	Aug. 25, 2011 future damages [Member]
Purchase replacement coal, excess of						$ 100,000,000
Aggregate amount of past and future damages							377,000,000	228,000,000
Damages and interest awarded				104,100,000	104,100,000				13,800,000	90,300,000
Payments for Legal Settlements	15,600,000
Amount accrued		22,500,000	30,400,000
Amount accrued current portion		$ 10,300,000	$ 11,700,000

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Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following: 

	September 30,		December 31,
	2014		2013
	(In thousands)
Coal	$	83,708	$	117,531
Repair parts and supplies	125,951		137,497
Work-in-process	—		9,133
	$	209,659	$	264,161

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Divestitures (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014
Significant Acquisitions and Disposals [Line Items]
Total Consideration for Disposal Group		$ 45.3
Proceeds from divestiture of businesses		35.7
Net gain on divestitures	14.3
Notes Receivable [Member]
Significant Acquisitions and Disposals [Line Items]
Noncash or Part Noncash Divestiture, Amount of Consideration Received		$ 11.0

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Employee Benefit Plans

9 Months Ended

Sep. 30, 2014

Pension and Other Postretirement Benefit Expense [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following table details the components of pension benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	4,910		$	6,672		$	16,311		$	21,162
Interest cost	4,278			3,994			12,834			11,796
Expected return on plan assets	(5,929		)	(5,848		)	(17,786		)	(17,690		)
Curtailments	1,504			47			1,504			47
Amortization of prior service costs (credits)	(51		)	(51		)	(158		)	(152		)
Amortization of other actuarial losses	741			3,617			2,221			12,430
Net benefit cost	$	5,453		$	8,431		$	14,926		$	27,593

The following table details the components of other postretirement benefit costs (credits):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(In thousands)
Service cost	$	383		$	497		$	1,267		$	1,591
Interest cost	460			427			1,381			1,273
Curtailments	—			(5,444		)	—			(5,444		)
Amortization of prior service credits	(2,500		)	(2,641		)	(7,502		)	(8,121		)
Amortization of other actuarial losses (gains)	(191		)	(55		)	(571		)	(53		)
Net benefit credit	$	(1,848	)	$	(7,216	)	$	(5,425	)	$	(10,754	)