$ARCH
ARCH RESOURCES, INC. Stock $arch

$arch Overview Financials Valuation SEC Filings Company Website

2013 Q2 Form 10-Q Financial Statement

#000110465913061736 Filed on August 08, 2013

Income Statement

Concept	2013 Q2	2012 Q2
Revenue	$766.3M	$965.7M
YoY Change	-20.65%	-2.01%
Cost Of Revenue	$656.2M	$799.6M
YoY Change	-17.93%	11.73%
Gross Profit	$2.505M	$47.16M
YoY Change	-94.69%	-72.62%
Gross Profit Margin	0.33%	4.88%
Selling, General & Admin	$34.30M	$35.18M
YoY Change	-2.49%	21.3%
% of Gross Profit	1369.34%	74.59%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$118.8M	$132.8M
YoY Change	-10.54%	36.49%
% of Gross Profit	4742.51%	281.58%
Operating Expenses	$802.6M	$1.563B
YoY Change	-48.64%	1168.33%
Operating Profit	-$36.28M	-$596.9M
YoY Change	-93.92%	-725.98%
Interest Expense	$94.76M	$78.73M
YoY Change	20.36%	-278.12%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$129.8M	-$693.6M
YoY Change	-81.28%	-17016.46%
Income Tax	-$49.47M	-$251.1M
% Of Pretax Income
Net Earnings	-$72.21M	-$435.5M
YoY Change	-83.42%	-6668.46%
Net Earnings / Revenue	-9.42%	-45.1%
Basic Earnings Per Share	-$0.34	-$2.05
Diluted Earnings Per Share	-$0.34	-$2.05
COMMON SHARES
Basic Shares Outstanding	212.1M shares	212.0M shares
Diluted Shares Outstanding	212.1M shares	212.0M shares

Balance Sheet

Concept	2013 Q2	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.382B	$513.0M
YoY Change	169.32%	525.61%
Cash & Equivalents	$1.133B	$512.5M
Short-Term Investments	$248.5M
Other Short-Term Assets	$60.81M	$203.0M
YoY Change	-70.04%	-61.7%
Inventory	$356.7M	$455.0M
Prepaid Expenses
Receivables	$264.7M	$327.0M
Other Receivables	$72.00M	$71.00M
Total Short-Term Assets	$1.755B	$1.569B
YoY Change	11.88%	12.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$7.231B	$7.397B
YoY Change	-2.24%	-4.26%
Goodwill	$265.4M
YoY Change
Intangibles
YoY Change
Long-Term Investments	$232.8M	$235.0M
YoY Change	-0.95%	12.98%
Other Assets	$154.9M	$273.0M
YoY Change	-43.27%	-5.54%
Total Long-Term Assets	$744.2M	$8.385B
YoY Change	-91.12%	-4.3%
TOTAL ASSETS
Total Short-Term Assets	$1.755B	$1.569B
Total Long-Term Assets	$744.2M	$8.385B
Total Assets	$9.731B	$9.954B
YoY Change	-2.24%	-1.94%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$232.4M	$317.0M
YoY Change	-26.68%	10.84%
Accrued Expenses	$307.1M	$361.0M
YoY Change	-14.93%	-8.61%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$24.00M	$111.0M
YoY Change	-78.38%	-74.13%
Total Short-Term Liabilities	$563.9M	$796.0M
YoY Change	-29.16%	-28.67%
LONG-TERM LIABILITIES
Long-Term Debt	$5.079B	$4.464B
YoY Change	13.77%	18.28%
Other Long-Term Liabilities	$205.1M	$821.0M
YoY Change	-75.02%	-4.42%
Total Long-Term Liabilities	$5.284B	$5.285B
YoY Change	-0.02%	14.07%
TOTAL LIABILITIES
Total Short-Term Liabilities	$563.9M	$796.0M
Total Long-Term Liabilities	$5.284B	$5.285B
Total Liabilities	$7.020B	$6.829B
YoY Change	2.79%	3.09%
SHAREHOLDERS EQUITY
Retained Earnings	-$259.0M
YoY Change
Common Stock	$3.035B
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$53.85M
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.711B	$3.125B
YoY Change
Total Liabilities & Shareholders Equity	$9.731B	$9.954B
YoY Change	-2.24%	-1.94%

Cashflow Statement

Concept	2013 Q2	2012 Q2
OPERATING ACTIVITIES
Net Income	-$72.21M	-$435.5M
YoY Change	-83.42%	-6668.46%
Depreciation, Depletion And Amortization	$118.8M	$132.8M
YoY Change	-10.54%	36.49%
Cash From Operating Activities	$8.700M	$40.30M
YoY Change	-78.41%	-82.33%
INVESTING ACTIVITIES
Capital Expenditures	$114.5M	-$109.2M
YoY Change	-204.89%	48.98%
Acquisitions
YoY Change
Other Investing Activities	$37.20M	$0.00
YoY Change		-100.0%
Cash From Investing Activities	-$78.50M	-$109.1M
YoY Change	-28.05%	-96.44%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-16.20M	463.5M
YoY Change	-103.5%	-83.72%
NET CHANGE
Cash From Operating Activities	8.700M	40.30M
Cash From Investing Activities	-78.50M	-109.1M
Cash From Financing Activities	-16.20M	463.5M
Net Change In Cash	-86.00M	394.7M
YoY Change	-121.79%	2912.98%
FREE CASH FLOW
Cash From Operating Activities	$8.700M	$40.30M
Capital Expenditures	$114.5M	-$109.2M
Free Cash Flow	-$105.8M	$149.5M
YoY Change	-170.8%	-50.4%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	169064000	USD
CY2013Q2	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	114542000	USD
	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	202073000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	224418000	USD
CY2013Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	232433000	USD
CY2013Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	264692000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	247539000	USD
CY2013Q2	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	119018000	USD
CY2012Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	121029000	USD
CY2013Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	307089000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	318018000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-16507000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10973000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3026823000	USD
CY2013Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3032626000	USD
CY2012Q2	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	108802000	USD
CY2012Q4	us-gaap	Advances To Affiliate AdvancesToAffiliate	43828000	USD
CY2013Q2	us-gaap	Advances To Affiliate AdvancesToAffiliate	42501000	USD
	us-gaap	Amortization Of Advance Royalty AmortizationOfAdvanceRoyalty	16551000	USD
	us-gaap	Amortization Of Advance Royalty AmortizationOfAdvanceRoyalty	9251000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	8948000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	12346000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	-5019000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	-18468000	USD
CY2013Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	-2209000	USD
CY2012Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	-4451000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4500000	shares
CY2013Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8400000	shares
CY2012Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5300000	shares
CY2012Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	38920000	USD
CY2013Q2	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	38919000	USD
CY2013Q2	us-gaap	Assets Assets	9730729000	USD
CY2012Q4	us-gaap	Assets Assets	10006777000	USD
CY2012Q2	us-gaap	Assets Assets	9953938000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	1914104000	USD
CY2013Q2	us-gaap	Assets Current AssetsCurrent	1755337000	USD
CY2013Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	295789000	USD
CY2013Q2	us-gaap	Assets Held For Sale At Carrying Value AssetsHeldForSaleAtCarryingValue	334105000	USD
CY2012Q4	us-gaap	Assets Held For Sale At Carrying Value AssetsHeldForSaleAtCarryingValue	347014000	USD
CY2013Q2	us-gaap	Assets Held For Sale Current AssetsHeldForSaleCurrent	59604000	USD
CY2012Q4	us-gaap	Assets Held For Sale Current AssetsHeldForSaleCurrent	61281000	USD
CY2013Q2	us-gaap	Assets Held For Sale Other Noncurrent AssetsHeldForSaleOtherNoncurrent	5198000	USD
CY2012Q4	us-gaap	Assets Held For Sale Other Noncurrent AssetsHeldForSaleOtherNoncurrent	5333000	USD
CY2012Q4	us-gaap	Assets Held For Sale Property Plant And Equipment AssetsHeldForSalePropertyPlantAndEquipment	280400000	USD
CY2013Q2	us-gaap	Assets Held For Sale Property Plant And Equipment AssetsHeldForSalePropertyPlantAndEquipment	269303000	USD
CY2013Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	744171000	USD
CY2012Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	755575000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	240382000	USD
CY2013Q2	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	255156000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	223300000	USD
CY2013Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	248500000	USD
CY2013Q2	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	100000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	400000	USD
CY2013Q2	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	248464000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	234305000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	239652000	USD
CY2013Q2	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	260936000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	3436000	USD
CY2013Q2	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	4328000	USD
CY2012Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	2706000	USD
CY2013Q2	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	10108000	USD
CY2012Q4	us-gaap	Borrowed Funds BorrowedFunds	5118775000	USD
CY2013Q2	us-gaap	Borrowed Funds BorrowedFunds	5102476000	USD
CY2013Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	644205000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	784622000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	138149000	USD
CY2012Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	512527000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	374378000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-140417000	USD
	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Cost Of Sales Net CashFlowHedgeGainLossReclassifiedToCostOfSalesNet	1010000	USD
	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Cost Of Sales Net CashFlowHedgeGainLossReclassifiedToCostOfSalesNet	1401000	USD
CY2012Q2	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Cost Of Sales Net CashFlowHedgeGainLossReclassifiedToCostOfSalesNet	809000	USD
CY2013Q2	us-gaap	Cash Flow Hedge Gain Loss Reclassified To Cost Of Sales Net CashFlowHedgeGainLossReclassifiedToCostOfSalesNet	541000	USD
	us-gaap	Coal Products And Services Revenue CoalProductsAndServicesRevenue	1925922000	USD
	us-gaap	Coal Products And Services Revenue CoalProductsAndServicesRevenue	1503702000	USD
CY2013Q2	us-gaap	Coal Products And Services Revenue CoalProductsAndServicesRevenue	766332000	USD
CY2012Q2	us-gaap	Coal Products And Services Revenue CoalProductsAndServicesRevenue	965685000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.14
CY2012Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.03
CY2013Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.03
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.06
CY2013Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2013Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	260000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	260000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	213759000	shares
CY2013Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	213753000	shares
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	2141000	USD
CY2013Q2	us-gaap	Common Stock Value CommonStockValue	2141000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-136721000	USD
CY2012Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-438473000	USD
CY2013Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-68163000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-429764000	USD
CY2013Q2	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	656198000	USD
	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	1305941000	USD
CY2012Q2	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	799558000	USD
	us-gaap	Cost Of Goods Sold Excluding Depreciation Depletion And Amortization CostOfGoodsSoldExcludingDepreciationDepletionAndAmortization	1605817000	USD
CY2013Q2	us-gaap	Debt Current DebtCurrent	23842000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	32896000	USD
CY2013Q2	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	4700000000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-393000	USD
CY2012Q2	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	1489000	USD
CY2013Q2	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-35000	USD
CY2013Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	542000	USD
CY2012Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	5000000000	USD
CY2013Q2	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	67350000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	67360000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	664182000	USD
CY2013Q2	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	565047000	USD
CY2013Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	66903000	USD
CY2012Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	67630000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	272834000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	237668000	USD
CY2012Q4	us-gaap	Derivative Assets DerivativeAssets	32315000	USD
CY2013Q2	us-gaap	Derivative Assets DerivativeAssets	34853000	USD
CY2013Q2	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	34311000	USD
CY2012Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	30578000	USD
CY2013Q2	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	4700000	USD
CY2012Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	16200000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	95451000	USD
CY2012Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	54863000	USD
CY2013Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	61140000	USD
CY2012Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	24285000	USD
	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	3780000	USD
CY2012Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1737000	USD
	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Accounting Policies</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;padding-bottom:6px;padding-top:6px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">There is no new accounting guidance that is expected to have a significant impact on the Company’s financial statements.</font></div></div>
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	28737000	USD
CY2012Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	7909000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	34193000	USD
CY2013Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	9748000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	11653000	USD
CY2012Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	877000	USD
CY2013Q2	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	1603000	USD
CY2013Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	85107000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	177267000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	6325000	USD
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	173239000	USD
CY2012Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	97853000	USD
	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent		USD
CY2013Q2	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent		USD
CY2012Q4	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent		USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.67
CY2013Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.34
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.05
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.05
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.05
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.67
CY2013Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.34
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.05
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	72405000	USD
CY2013Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	62890000	USD
CY2013Q2	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	177238000	USD
CY2012Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	180917000	USD
	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	15264000	USD
CY2012Q4	us-gaap	Equity Method Investments EquityMethodInvestments	242215000	USD
CY2013Q2	us-gaap	Equity Method Investments EquityMethodInvestments	232758000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-4840000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-9312000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	-25000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues		USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	2636000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	5853000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements		USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-1252000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3438000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	8174000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5642000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		USD
	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent		USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	22412000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.09
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.15
CY2012Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19042000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19042000	USD
CY2013Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt		USD
CY2013Q2	us-gaap	Goodwill Goodwill	265423000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	265423000	USD
CY2013Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss		USD
CY2012Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	115791000	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss		USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	115791000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-129819000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-693575000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-739529000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-273488000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-273488000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-739529000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-693575000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-129819000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-456555000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-80351000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-164667000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-442456000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.09
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.78
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.15
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.38
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.78
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.38
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	8145000	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	7032000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	22540000	USD
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.04
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.04
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.11
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.10
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.04
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.10
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.11
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2314000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-49468000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-108821000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-282974000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-251119000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	2000000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.38
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	5.23
CY2013Q2	us-gaap	Interest Payable Current InterestPayableCurrent	40150000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	42413000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	102172000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	272094000	USD
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	-29000	USD
	us-gaap	Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable	22869000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	80199000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-8771000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-64965000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-4062000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	14248000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-26291000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	3909000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-52291000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-2368000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-4582000	USD
	us-gaap	Increase Decrease In Restricted Cash And Investments IncreaseDecreaseInRestrictedCashAndInvestments	-2368000	USD
	us-gaap	Increase Decrease In Restricted Cash And Investments IncreaseDecreaseInRestrictedCashAndInvestments	-4582000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	94756000	USD
	us-gaap	Interest Expense InterestExpense	189830000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	78728000	USD
	us-gaap	Interest Expense InterestExpense	153500000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-151391000	USD
CY2013Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-93540000	USD
CY2012Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-77640000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-185778000	USD
CY2013Q2	us-gaap	Inventory Net InventoryNet	356653000	USD
CY2012Q4	us-gaap	Inventory Net InventoryNet	365424000	USD
CY2013Q2	us-gaap	Inventory Parts And Components Net Of Reserves InventoryPartsAndComponentsNetOfReserves	163631000	USD
CY2012Q4	us-gaap	Inventory Parts And Components Net Of Reserves InventoryPartsAndComponentsNetOfReserves	172139000	USD
CY2013Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	13800000	USD
CY2012Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	13600000	USD
CY2012Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	12368000	USD
CY2013Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	15784000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	4052000	USD
CY2013Q2	us-gaap	Investment Income Net InvestmentIncomeNet	1216000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	2109000	USD
CY2012Q2	us-gaap	Investment Income Net InvestmentIncomeNet	1088000	USD
	us-gaap	Investments In And Advances To Affiliates At Fair Value Period Increase Decrease InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease	3493000	USD
CY2013Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5078634000	USD
CY2013Q2	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	414860000	USD
CY2012Q4	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	409705000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-32688000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	471936000	USD
CY2013Q2	us-gaap	Liabilities Liabilities	7019815000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	7152210000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10006777000	USD
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9730729000	USD
CY2013Q2	us-gaap	Liabilities Current LiabilitiesCurrent	563906000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	577069000	USD
CY2012Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	59984000	USD
CY2013Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	64308000	USD
CY2012Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	24763000	USD
CY2013Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	28111000	USD
CY2013Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	36197000	USD
CY2012Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	35221000	USD
CY2013Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	245800000	USD
CY2012Q4	us-gaap	Litigation Reserve LitigationReserve	32800000	USD
CY2013Q2	us-gaap	Litigation Reserve LitigationReserve	32700000	USD
CY2013Q2	us-gaap	Litigation Reserve Current LitigationReserveCurrent	3600000	USD
CY2012Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	4400000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5085879000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-192866000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-159774000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	95308000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	52045000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-142255000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	-72206000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-434283000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-435489000	USD
CY2013Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest		USD
CY2012Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	65000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	268000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest		USD
CY2013Q2	us-gaap	Notes Payable NotesPayable		USD
CY2012Q4	us-gaap	Notes Payable NotesPayable		USD
CY2013Q2	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties		USD
CY2012Q4	us-gaap	Notes Receivable Related Parties NotesReceivableRelatedParties		USD
CY2013Q2	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2013Q2	us-gaap	Operating Expenses OperatingExpenses	802611000	USD
CY2012Q2	us-gaap	Operating Expenses OperatingExpenses	1562578000	USD
	us-gaap	Operating Expenses OperatingExpenses	2495018000	USD
	us-gaap	Operating Expenses OperatingExpenses	1591412000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	491000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	2347000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-36279000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-87710000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-569096000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-596893000	USD
CY2013Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16529000	USD
CY2012Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	18842000	USD
CY2013Q2	us-gaap	Other Assets Current OtherAssetsCurrent	60811000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	92469000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	160164000	USD
CY2013Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	154860000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	6512000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	4959000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent	97000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	1788000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	177000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	35000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-4876000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	3704000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	1750000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-5600000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	630000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	1333000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-2016000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	-1755000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent	-391000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent	-1570000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent	11025000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent	738000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	265000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-568000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-143000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	3967000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4165000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3171000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	62000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	314000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-248000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	473000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-1002000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	7058000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4251000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3049000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4043000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5534000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3121000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2371000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3584000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1120000	USD
CY2013Q2	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	12700000	USD
CY2012Q4	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	13100000	USD
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	205103000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	221030000	USD
CY2012Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	40350000	USD
CY2013Q2	us-gaap	Other Long Term Debt OtherLongTermDebt	28666000	USD
CY2012Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	1563000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	19766000	USD
CY2013Q2	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	8239000	USD
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	11081000	USD
CY2013Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	46358000	USD
CY2012Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	45086000	USD
CY2013Q2	us-gaap	Other Receivables OtherReceivables	71846000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	84541000	USD
	us-gaap	Payments For Legal Settlements PaymentsForLegalSettlements	15600000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	12735000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	29696000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts		USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	34381000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments		USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	61870000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	202073000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	169064000	USD
	us-gaap	Payments To Acquire Royalty Interests In Mining Properties PaymentsToAcquireRoyaltyInterestsInMiningProperties	8634000	USD
	us-gaap	Payments To Acquire Royalty Interests In Mining Properties PaymentsToAcquireRoyaltyInterestsInMiningProperties	10162000	USD
CY2013Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	168392000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	194220000	USD
CY2013Q2	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	744171000	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Noncurrent PrepaidExpenseAndOtherAssetsNoncurrent	755575000	USD
CY2013Q2	us-gaap	Prepaid Mineral Royalties Noncurrent PrepaidMineralRoyaltiesNoncurrent	91130000	USD
CY2012Q4	us-gaap	Prepaid Mineral Royalties Noncurrent PrepaidMineralRoyaltiesNoncurrent	87773000	USD
CY2012Q4	us-gaap	Prepaid Royalties PrepaidRoyalties	11416000	USD
CY2013Q2	us-gaap	Prepaid Royalties PrepaidRoyalties	8970000	USD
CY2013Q2	us-gaap	Price Risk Cash Flow Hedge Unrealized Gain Loss To Be Reclassified During Next12 Months PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months	1600000	USD
	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates		USD
	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates		USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	435000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt		USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1386000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-8250000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities		USD
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-11448000	USD
	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-11164000	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-255000	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-452654000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5080000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	22551000	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	47097000	USD
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments		USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised		USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5131000	USD
	us-gaap	Profit Loss ProfitLoss	-142255000	USD
	us-gaap	Profit Loss ProfitLoss	-434015000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	-435424000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	-72206000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7337098000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7231221000	USD
CY2013Q2	us-gaap	Receivables Net Current ReceivablesNetCurrent	336538000	USD
CY2012Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	332080000	USD
CY2013Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1085000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	3453000	USD
	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	20482000	USD
	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	501942000	USD
	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	20482000	USD
CY2012Q2	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	525583000	USD
	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	525583000	USD
CY2013Q2	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	20482000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-104042000	USD
CY2013Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-259032000	USD
	us-gaap	Sale Leaseback Transaction Gross Proceeds SaleLeasebackTransactionGrossProceeds		USD
	us-gaap	Sale Leaseback Transaction Gross Proceeds SaleLeasebackTransactionGrossProceeds	34919000	USD
CY2012Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	35178000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	67511000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	66039000	USD
CY2013Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	34302000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	7014000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	5804000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0229
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.6676
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0065
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	2854567000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	2710914000	USD
CY2012Q2	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	4600000	USD
	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	700000	USD
CY2013Q2	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	4900000	USD
	us-gaap	Trading Activity Gains And Losses Net TradingActivityGainsAndLossesNet	2100000	USD
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	53848000	USD
CY2013Q2	us-gaap	Treasury Stock Value TreasuryStockValue	53848000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	212072000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	212048000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	212082000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	211868000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	212082000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	212072000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	212048000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	211868000	shares
CY2013Q2	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	14033000	USD
CY2012Q4	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	10371000	USD
CY2012Q4	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	81629000	USD
CY2013Q2	us-gaap	Workers Compensation Liability Noncurrent WorkersCompensationLiabilityNoncurrent	79004000	USD
CY2012Q4	aci	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	318018000	USD
CY2013Q2	aci	Accrued Expenses And Other Current Liabilities AccruedExpensesAndOtherCurrentLiabilities	307089000	USD
CY2013Q2	aci	Accrued Expenses Derivatives And Other Liabilities Current AccruedExpensesDerivativesAndOtherLiabilitiesCurrent	307631000	USD
CY2012Q4	aci	Accrued Expenses Derivatives And Other Liabilities Current AccruedExpensesDerivativesAndOtherLiabilitiesCurrent	319755000	USD
CY2013Q2	aci	Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet	-9008000	USD
	aci	Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet	-35667000	USD
	aci	Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet	-7700000	USD
CY2012Q2	aci	Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet Changeinfairvalueofcoalderivativesandcoaltradingactivitiesnet	-32054000	USD
CY2013Q2	aci	Coal Derivative Assets CoalDerivativeAssets	31261000	USD
CY2012Q4	aci	Coal Derivative Assets CoalDerivativeAssets	22975000	USD
	aci	Coal Derivative Assets And Liabilities CoalDerivativeAssetsAndLiabilities	11122000	USD
	aci	Coal Derivative Assets And Liabilities CoalDerivativeAssetsAndLiabilities	37985000	USD
CY2013Q2	aci	Coal Derivative Liabilities CoalDerivativeLiabilities	542000	USD
CY2012Q4	aci	Coal Derivative Liabilities CoalDerivativeLiabilities	1737000	USD
CY2012Q4	aci	Coal Supply Agreement Liability CoalSupplyAgreementLiability	14038000	USD
CY2013Q2	aci	Coal Supply Agreement Liability CoalSupplyAgreementLiability	15550000	USD
CY2013Q2	aci	Commitments For Future Development Financing For Equity Method Investees CommitmentsForFutureDevelopmentFinancingForEquityMethodInvestees	58500000	USD
CY2011Q3	aci	Damages And Interest Awarded DamagesAndInterestAwarded	104100000	USD
CY2012Q2	aci	Depreciationdepletionandamortizationproductionandnonproduction Depreciationdepletionandamortizationproductionandnonproduction	124536000	USD
CY2013Q2	aci	Depreciationdepletionandamortizationproductionandnonproduction Depreciationdepletionandamortizationproductionandnonproduction	111085000	USD
	aci	Depreciationdepletionandamortizationproductionandnonproduction Depreciationdepletionandamortizationproductionandnonproduction	221278000	USD
	aci	Depreciationdepletionandamortizationproductionandnonproduction Depreciationdepletionandamortizationproductionandnonproduction	255689000	USD
CY2013Q2	aci	Effect Of Counterparty Netting In Derivative Assets EffectOfCounterpartyNettingInDerivativeAssets	60598000	USD
CY2012Q4	aci	Effect Of Counterparty Netting In Derivative Assets EffectOfCounterpartyNettingInDerivativeAssets	22548000	USD
CY2012Q4	aci	Effect Of Counterparty Netting In Derivative Liabilities EffectOfCounterpartyNettingInDerivativeLiabilities	22548000	USD
CY2013Q2	aci	Effect Of Counterparty Netting In Derivative Liabilities EffectOfCounterpartyNettingInDerivativeLiabilities	60598000	USD
CY2013Q2	aci	Income From Investment In Subsidiaries IncomeFromInvestmentInSubsidiaries		USD
	aci	Income From Investment In Subsidiaries IncomeFromInvestmentInSubsidiaries		USD
	aci	Income From Investment In Subsidiaries IncomeFromInvestmentInSubsidiaries		USD
CY2012Q2	aci	Income From Investment In Subsidiaries IncomeFromInvestmentInSubsidiaries		USD
CY2013Q2	aci	Investment In Subsidiaries InvestmentInSubsidiaries		USD
CY2012Q4	aci	Investment In Subsidiaries InvestmentInSubsidiaries		USD
	aci	Net Proceeds From Commercial Paper And Net Borrowings On Lines Of Credit NetProceedsFromCommercialPaperAndNetBorrowingsOnLinesOfCredit		USD
	aci	Net Proceeds From Commercial Paper And Net Borrowings On Lines Of Credit NetProceedsFromCommercialPaperAndNetBorrowingsOnLinesOfCredit	-391300000	USD
	aci	Number Of Mining Complexes Closed NumberOfMiningComplexesClosed	4
	aci	Number Of Mining Complexes Temporarily Idled NumberOfMiningComplexesTemporarilyIdled	1
	aci	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	3861000	USD
CY2007Q3	aci	Purchase Replacement Coal PurchaseReplacementCoal	100000000	USD
	aci	Purchases Of Investments Advances To Affiliates PurchasesOfInvestmentsAdvancesToAffiliates	9292000	USD
	aci	Purchases Of Investments Advances To Affiliates PurchasesOfInvestmentsAdvancesToAffiliates	8142000	USD
	aci	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1673000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
	dei	Document Period End Date DocumentPeriodEndDate	2013-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001037676
CY2013Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	0	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	ARCH COAL INC

Files In Submission

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$ARCH
ARCH RESOURCES, INC. Stock $arch

2013 Q2 Form 10-Q Financial Statement

#000110465913061736 Filed on August 08, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCH ARCH RESOURCES, INC. Stock $arch

2013 Q2 Form 10-Q Financial Statement

#000110465913061736 Filed on August 08, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCH
ARCH RESOURCES, INC. Stock $arch