$ATO
ATMOS ENERGY CORP Stock $ato

$ato Overview Financials Valuation SEC Filings Company Website

2017 Q1 Form 10-Q Financial Statement

#000073180217000008 Filed on February 07, 2017

Income Statement

Concept	2017 Q1	2016 Q4	2015 Q4
Revenue	$988.2M	$780.2M	$674.8M
YoY Change	11.03%	15.62%	-23.95%
Cost Of Revenue	$427.5M	$311.3M	$240.3M
YoY Change	13.28%	29.55%	-71.24%
Gross Profit	$560.7M	$468.9M	$434.4M
YoY Change	9.37%	7.93%	5.1%
Gross Profit Margin	56.74%	60.1%	64.38%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$77.70M	$77.14M	$71.24M
YoY Change	7.92%	8.29%	5.38%
% of Gross Profit	13.86%	16.45%	16.4%
Operating Expenses	$275.5M	$258.9M	$241.7M
YoY Change	2.88%	7.14%	2.61%
Operating Profit	$285.2M	$209.9M	$192.7M
YoY Change	13.32%	8.92%	4.24%
Interest Expense	$26.94M	$31.03M	$29.54M
YoY Change	-2.23%	5.05%	-0.76%
% of Operating Profit	9.45%	14.78%	15.33%
Other Income/Expense, Net	$833.0K	-$994.0K	-$879.0K
YoY Change	-353.19%	13.08%	-48.51%
Pretax Income	$259.1M	$177.9M	$162.3M
YoY Change	15.77%	9.6%	3.88%
Income Tax	$97.05M	$63.86M	$60.77M
% Of Pretax Income	37.46%	35.9%	37.44%
Net Earnings	$164.7M	$125.0M	$102.9M
YoY Change	16.16%	21.55%	5.4%
Net Earnings / Revenue	16.67%	16.03%	15.24%
Basic Earnings Per Share			$1.00
Diluted Earnings Per Share	$1.555M	$1.187M	$1.00
COMMON SHARES
Basic Shares Outstanding	105.2M shares	104.0M shares	101.5M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2017 Q1	2016 Q4	2015 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$45.00M	$45.00M	$79.00M
YoY Change	-6.25%	-43.04%	-36.29%
Cash & Equivalents	$45.40M	$44.62M	$47.92M
Short-Term Investments
Other Short-Term Assets	$61.02M	$76.75M	$91.45M
YoY Change	16.33%	-16.07%	-16.56%
Inventory	$120.0M	$164.0M	$236.0M
Prepaid Expenses
Receivables	$336.6M	$458.8M	$456.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$563.1M	$979.4M	$863.3M
YoY Change	-13.76%	13.46%	-22.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.738B	$8.553B	$7.653B
YoY Change	11.47%	11.76%	10.71%
Goodwill	$729.7M	$729.7M	$742.7M
YoY Change	-1.75%	-1.75%	0.09%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$330.2M	$317.1M	$295.4M
YoY Change	6.9%	7.34%	-13.57%
Total Long-Term Assets	$9.798B	$9.600B	$8.691B
YoY Change	10.21%	10.45%	8.69%
TOTAL ASSETS
Total Short-Term Assets	$563.1M	$979.4M	$863.3M
Total Long-Term Assets	$9.798B	$9.600B	$8.691B
Total Assets	$10.36B	$10.58B	$9.555B
YoY Change	8.57%	10.72%	4.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$185.0M	$269.0M	$280.0M
YoY Change	-18.5%	-3.93%	-29.65%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$670.6M	$940.7M	$763.2M
YoY Change	6.97%	23.26%	38.54%
Long-Term Debt Due	$250.0M	$250.0M
YoY Change
Total Short-Term Liabilities	$1.496B	$1.950B	$1.515B
YoY Change	21.89%	28.7%	6.65%
LONG-TERM LIABILITIES
Long-Term Debt	$2.315B	$2.314B	$2.455B
YoY Change	-5.74%	-5.75%	0.01%
Other Long-Term Liabilities	$155.1M	$158.6M	$155.2M
YoY Change	-34.72%	2.2%	19.66%
Total Long-Term Liabilities	$2.470B	$2.473B	$2.611B
YoY Change	-8.3%	-5.28%	1.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.496B	$1.950B	$1.515B
Total Long-Term Liabilities	$2.470B	$2.473B	$2.611B
Total Liabilities	$3.966B	$4.423B	$4.126B
YoY Change	1.16%	7.2%	3.0%
SHAREHOLDERS EQUITY
Retained Earnings	$1.457B	$1.340B	$1.132B
YoY Change	16.99%	18.33%	16.01%
Common Stock	$2.465B	$2.452B	$2.243B
YoY Change	9.24%	9.32%	2.78%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.835B	$3.699B	$3.272B
YoY Change
Total Liabilities & Shareholders Equity	$10.36B	$10.58B	$9.555B
YoY Change	8.57%	10.72%	4.82%

Cashflow Statement

Concept	2017 Q1	2016 Q4	2015 Q4
OPERATING ACTIVITIES
Net Income	$164.7M	$125.0M	$102.9M
YoY Change	16.16%	21.55%	5.4%
Depreciation, Depletion And Amortization	$77.70M	$77.14M	$71.24M
YoY Change	7.92%	8.29%	5.38%
Cash From Operating Activities	$435.0M	$117.0M	$70.14M
YoY Change	13.61%	66.75%	155.85%
INVESTING ACTIVITIES
Capital Expenditures	-$261.4M	-$298.0M	-$290.4M
YoY Change	6.43%	2.62%	11.14%
Acquisitions
YoY Change
Other Investing Activities	$136.9M	-$1.802M	-$2.382M
YoY Change	5604.17%	-24.35%	-422.33%
Cash From Investing Activities	-$124.6M	-$392.1M	-$290.3M
YoY Change	-48.77%	35.08%	10.78%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$49.40M	$0.00
YoY Change
Debt Paid & Issued, Net			$0.00
YoY Change			-100.0%
Cash From Financing Activities	-309.8M	$272.3M	$270.4M
YoY Change	81.59%	0.69%	-14.49%
NET CHANGE
Cash From Operating Activities	435.0M	$117.0M	$70.14M
Cash From Investing Activities	-124.6M	-$392.1M	-$290.3M
Cash From Financing Activities	-309.8M	$272.3M	$270.4M
Net Change In Cash	600.0K	-$2.910M	$50.25M
YoY Change	-101.94%	-105.79%	-38.4%
FREE CASH FLOW
Cash From Operating Activities	$435.0M	$117.0M	$70.14M
Capital Expenditures	-$261.4M	-$298.0M	-$290.4M
Free Cash Flow	$696.4M	$415.0M	$360.5M
YoY Change	10.8%	15.09%	24.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016Q4	ato	Atm Equity Distribution Gross Proceeds ATMEquityDistributionGrossProceeds	50000000.0	USD
CY2016Q4	ato	Atm Equity Distribution Net Proceeds ATMEquityDistributionNetProceeds	49400000	USD
CY2016Q4	ato	Atm Equity Distribution Offering Price Maximum Amount ATMEquityDistributionOfferingPriceMaximumAmount	200000000	USD
CY2016Q4	ato	Atm Equity Distribution Shares Issued ATMEquityDistributionSharesIssued	690812	shares
CY2016Q4	ato	Atm Equity Distributionequityremaining ATMEquityDistributionequityremaining	50000000	USD
CY2016Q4	ato	Accumulated Other Comprehensive Income Loss Derivatives Qualifyingas Hedges Interest Rate Agreements Realized Gain Loss Netof Tax AccumulatedOtherComprehensiveIncomeLossDerivativesQualifyingasHedgesInterestRateAgreementsRealizedGainLossNetofTax	-18200000	USD
CY2016Q3	ato	Available For Sale Securities Supplemental Executive Benefit Plans AvailableForSaleSecuritiesSupplementalExecutiveBenefitPlans	41300000	USD
CY2016Q4	ato	Available For Sale Securities Supplemental Executive Benefit Plans AvailableForSaleSecuritiesSupplementalExecutiveBenefitPlans	40400000	USD
CY2015Q4	ato	Cash Flow Hedge Gain Loss Impacton Earnings CashFlowHedgeGainLossImpactonEarnings	-23145000	USD
CY2016Q4	ato	Cash Flow Hedge Gain Loss Impacton Earnings CashFlowHedgeGainLossImpactonEarnings	7941000	USD
CY2015Q4	ato	Cash Flow Hedge Gain Loss Included In Cost Of Sales Net CashFlowHedgeGainLossIncludedInCostOfSalesNet	-23008000	USD
CY2016Q4	ato	Cash Flow Hedge Gain Loss Included In Cost Of Sales Net CashFlowHedgeGainLossIncludedInCostOfSalesNet	8078000	USD
CY2015Q4	ato	Cash Flow Hedge Gain Loss Reclassifiedto Purchased Gas Cost Net CashFlowHedgeGainLossReclassifiedtoPurchasedGasCostNet	-22965000	USD
CY2016Q4	ato	Cash Flow Hedge Gain Loss Reclassifiedto Purchased Gas Cost Net CashFlowHedgeGainLossReclassifiedtoPurchasedGasCostNet	-2612000	USD
CY2016Q4	ato	Debt And Equity Securities Authorized For Issuance DebtAndEquitySecuritiesAuthorizedForIssuance	2500000000.0	USD
CY2016Q4	ato	Debt And Equity Securities Available For Issuance DebtAndEquitySecuritiesAvailableForIssuance	2400000000	USD
CY2016Q3	ato	Derivative Asset Contract Netting DerivativeAssetContractNetting	39290000	USD
CY2016Q4	ato	Derivative Asset Contract Netting DerivativeAssetContractNetting	97841000	USD
CY2016Q3	ato	Derivative Asset Netof Contract Netting DerivativeAssetNetofContractNetting	4851000	USD
CY2016Q4	ato	Derivative Asset Netof Contract Netting DerivativeAssetNetofContractNetting	11182000	USD
CY2016Q3	ato	Derivative Cash Collateral DerivativeCashCollateral	50400000	USD
CY2016Q4	ato	Derivative Cash Collateral DerivativeCashCollateral	13700000	USD
CY2016Q3	ato	Derivative Liability Contract Netting DerivativeLiabilityContractNetting	39290000	USD
CY2016Q4	ato	Derivative Liability Contract Netting DerivativeLiabilityContractNetting	97841000	USD
CY2016Q3	ato	Derivative Liability Netof Contract Netting DerivativeLiabilityNetofContractNetting	284394000	USD
CY2016Q4	ato	Derivative Liability Netof Contract Netting DerivativeLiabilityNetofContractNetting	132904000	USD
CY2017Q1	ato	Disposal Group Including Discontinued Operation Cash Purchase Price DisposalGroupIncludingDiscontinuedOperationCashPurchasePrice	38300000	USD
CY2017Q1	ato	Disposal Group Including Discontinued Operation Consideration Placedin Escrow DisposalGroupIncludingDiscontinuedOperationConsiderationPlacedinEscrow	7000000	USD
CY2017Q1	ato	Disposal Group Including Discontinued Operation Estimated Working Capital DisposalGroupIncludingDiscontinuedOperationEstimatedWorkingCapital	103200000	USD
CY2015Q4	ato	Fair Value Hedge Basis Ineffectiveness FairValueHedgeBasisIneffectiveness	-1289000	USD
CY2016Q4	ato	Fair Value Hedge Basis Ineffectiveness FairValueHedgeBasisIneffectiveness	597000	USD
CY2015Q4	ato	Fair Value Hedge Timing Ineffectiveness FairValueHedgeTimingIneffectiveness	-6616000	USD
CY2016Q4	ato	Fair Value Hedge Timing Ineffectiveness FairValueHedgeTimingIneffectiveness	-3888000	USD
CY2015Q4	ato	Gain Loss On Hedge Ineffectiveness GainLossOnHedgeIneffectiveness	7900000	USD
CY2016Q4	ato	Gain Loss On Hedge Ineffectiveness GainLossOnHedgeIneffectiveness	3400000	USD
CY2016Q4	ato	Hedge Percentage Of Anticipated Heating Season Gas HedgePercentageOfAnticipatedHeatingSeasonGas	0.27
CY2016Q4	ato	Hedge Volume Of Anticipated Heating Season Gas HedgeVolumeOfAnticipatedHeatingSeasonGas	16200	MMcf
CY2016Q3	ato	Hedged Portion Of Gas Stored Underground Fair Value Disclosure HedgedPortionOfGasStoredUndergroundFairValueDisclosure	52578000	USD
CY2016Q4	ato	Hedged Portion Of Gas Stored Underground Fair Value Disclosure HedgedPortionOfGasStoredUndergroundFairValueDisclosure	76735000	USD
CY2015Q4	ato	Incomefromcontinuingoperationsavailabletocommonshareholders Incomefromcontinuingoperationsavailabletocommonshareholders	101376000	USD
CY2016Q4	ato	Incomefromcontinuingoperationsavailabletocommonshareholders Incomefromcontinuingoperationsavailabletocommonshareholders	113885000	USD
CY2016Q3	ato	Intercompany Payables IntercompanyPayables	0	USD
CY2016Q4	ato	Intercompany Payables IntercompanyPayables	0	USD
CY2016Q3	ato	Intercompany Receivables IntercompanyReceivables	0	USD
CY2016Q4	ato	Intercompany Receivables IntercompanyReceivables	0	USD
CY2016Q4	ato	Interest Rate Agreement Gain Loss Reclassified To Earnings InterestRateAgreementGainLossReclassifiedToEarnings	-18217000	USD
CY2016Q3	ato	Investment In Subsidaries InvestmentInSubsidaries	0	USD
CY2016Q4	ato	Investment In Subsidaries InvestmentInSubsidaries	0	USD
CY2016Q4	ato	Maximum Hedge Percentage Of Anticipated Heating Season Gas MaximumHedgePercentageOfAnticipatedHeatingSeasonGas	0.5
CY2016Q4	ato	Minimum Hedge Percentage Of Anticipated Heating Season Gas MinimumHedgePercentageOfAnticipatedHeatingSeasonGas	0.25
CY2016Q4	ato	Minimum Length Of Time Hedged In Cash Flow Hedge MinimumLengthOfTimeHedgedInCashFlowHedge	P1M
CY2015Q4	ato	Net Income Loss From Discontinued Operations Available To Common Stockholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonStockholdersBasic	1314000	USD
CY2016Q4	ato	Net Income Loss From Discontinued Operations Available To Common Stockholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonStockholdersBasic	10980000	USD
CY2015Q4	ato	Nonregulated Segment Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate NonregulatedSegmentEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.39
CY2016Q4	ato	Number Of Customers Regulated Distribution NumberOfCustomersRegulatedDistribution	3000000	customers
CY2016Q4	ato	Number Of Divisions Regulated Distribution NumberOfDivisionsRegulatedDistribution	6	regulated_gas_distributions_divisions
CY2015Q4	ato	Other Comprehensive Income Reclassification Adjustment On Forward Commodity Contracts Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnForwardCommodityContractsIncludedInNetIncomeNetOfTax	14009000	USD
CY2016Q4	ato	Other Comprehensive Income Reclassification Adjustment On Forward Commodity Contracts Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnForwardCommodityContractsIncludedInNetIncomeNetOfTax	-4865000	USD
CY2015Q4	ato	Other Comprehensive Income Reclassification Adjustment On Interest Rate Agreements Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateAgreementsIncludedInNetIncomeNetOfTax	87000	USD
CY2016Q4	ato	Other Comprehensive Income Reclassification Adjustment On Interest Rate Agreements Included In Net Income Net Of Tax OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateAgreementsIncludedInNetIncomeNetOfTax	87000	USD
CY2015Q4	ato	Other Comprehensive Income Unrealized Gain Loss On Forward Commodity Contracts Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnForwardCommodityContractsArisingDuringPeriodNetOfTax	-11656000	USD
CY2016Q4	ato	Other Comprehensive Income Unrealized Gain Loss On Forward Commodity Contracts Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnForwardCommodityContractsArisingDuringPeriodNetOfTax	9847000	USD
CY2015Q4	ato	Other Comprehensive Income Unrealized Gain Loss On Interest Rate Agreements Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnInterestRateAgreementsArisingDuringPeriodNetOfTax	4696000	USD
CY2016Q4	ato	Other Comprehensive Income Unrealized Gain Loss On Interest Rate Agreements Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnInterestRateAgreementsArisingDuringPeriodNetOfTax	91127000	USD
CY2015Q4	ato	Paymentsfor Proceedsfrom Hedge Financing Activities Cash Collateral PaymentsforProceedsfromHedgeFinancingActivitiesCashCollateral	0	USD
CY2016Q4	ato	Paymentsfor Proceedsfrom Hedge Financing Activities Cash Collateral PaymentsforProceedsfromHedgeFinancingActivitiesCashCollateral	-25670000	USD
CY2015Q4	ato	Regulated Segments Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate RegulatedSegmentsEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.37
CY2016Q4	ato	Regulated Segments Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate RegulatedSegmentsEffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.37
CY2016Q3	ato	Regulatory Asset Future Recoverable Pension Costs RegulatoryAssetFutureRecoverablePensionCosts	12400000	USD
CY2016Q4	ato	Regulatory Asset Future Recoverable Pension Costs RegulatoryAssetFutureRecoverablePensionCosts	12100000	USD
CY2016Q3	ato	Regulatory Cost Of Removal Liability RegulatoryCostOfRemovalLiability	424281000	USD
CY2016Q4	ato	Regulatory Cost Of Removal Liability RegulatoryCostOfRemovalLiability	430407000	USD
CY2016Q3	ato	Regulatory Cost Of Removal Obligation RegulatoryCostOfRemovalObligation	424281000	USD
CY2016Q4	ato	Regulatory Cost Of Removal Obligation RegulatoryCostOfRemovalObligation	430407000	USD
CY2016Q3	ato	Segment Reporting Information Other Current Assets SegmentReportingInformationOtherCurrentAssets	480006000	USD
CY2016Q4	ato	Segment Reporting Information Other Current Assets SegmentReportingInformationOtherCurrentAssets	691269000	USD
CY2016Q3	ato	Segment Reporting Information Other Current Liabilities SegmentReportingInformationOtherCurrentLiabilities	578799000	USD
CY2016Q4	ato	Segment Reporting Information Other Current Liabilities SegmentReportingInformationOtherCurrentLiabilities	624710000	USD
CY2016Q3	ato	Segment Reporting Information Other Noncurrent Assets SegmentReportingInformationOtherNoncurrentAssets	303197000	USD
CY2016Q4	ato	Segment Reporting Information Other Noncurrent Assets SegmentReportingInformationOtherNoncurrentAssets	315806000	USD
CY2016Q3	ato	Segment Reporting Information Other Noncurrent Liabilities SegmentReportingInformationOtherNoncurrentLiabilities	61326000	USD
CY2016Q4	ato	Segment Reporting Information Other Noncurrent Liabilities SegmentReportingInformationOtherNoncurrentLiabilities	60690000	USD
CY2016Q4	ato	Term Loan Agreement Amount Outstanding TermLoanAgreementAmountOutstanding	125000000	USD
CY2016Q4	ato	Term Loan Agreement Incremental Borrowings TermLoanAgreementIncrementalBorrowings	1000000	USD
CY2016Q4	ato	Term Loan Agreement Maximum Borrowing Capacity TermLoanAgreementMaximumBorrowingCapacity	200000000	USD
CY2015Q4	ato	Undistributed Earnings From Discontinued Operations Allocated To Participating Securities UndistributedEarningsFromDiscontinuedOperationsAllocatedToParticipatingSecurities	1000	USD
CY2016Q4	ato	Undistributed Earnings From Discontinued Operations Allocated To Participating Securities UndistributedEarningsFromDiscontinuedOperationsAllocatedToParticipatingSecurities	14000	USD
CY2016Q4	dei	Amendment Flag AmendmentFlag	false
CY2016Q4	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2016Q4	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2016Q4	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2016Q4	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016Q4	dei	Document Type DocumentType	10-Q
CY2016Q4	dei	Entity Central Index Key EntityCentralIndexKey	0000731802
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	105175480	shares
CY2016Q4	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2016Q4	dei	Entity Registrant Name EntityRegistrantName	Atmos Energy Corporation
CY2016Q4	invest	Investment Contract Volume InvestmentContractVolume	86609	MMcf
CY2016Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	196485000	USD
CY2016Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	268647000	USD
CY2016Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	215880000	USD
CY2016Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	458813000	USD
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-188022000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-92654000	USD
CY2016Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2388027000	USD
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2451277000	USD
CY2016Q3	us-gaap	Assets Assets	10010889000	USD
CY2016Q4	us-gaap	Assets Assets	10579155000	USD
CY2016Q3	us-gaap	Assets Current AssetsCurrent	681686000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	979432000	USD
CY2016Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	136905000	USD
CY2016Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	173835000	USD
CY2016Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	151117000	USD
CY2016Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	235482000	USD
CY2016Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	72701000	USD
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	82130000	USD
CY2016Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	7729000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	6864000	USD
CY2016Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	600000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1049000	USD
CY2016Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	65572000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	76315000	USD
CY2016Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	5651838000	USD
CY2016Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	6013174000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	28653000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	78903000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47534000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	44624000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	50250000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-2910000	USD
CY2015Q4	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	5744000	USD
CY2016Q4	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-9567000	USD
CY2015Q4	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	2161000	USD
CY2016Q4	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	12858000	USD
CY2016Q3	us-gaap	Commercial Paper CommercialPaper	829800000	USD
CY2016Q4	us-gaap	Commercial Paper CommercialPaper	940700000	USD
CY2015Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.42
CY2016Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.45
CY2016Q3	us-gaap	Common Stock No Par Value CommonStockNoParValue	0.005
CY2016Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0.005
CY2016Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2016Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103930560	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	105109905	shares
CY2016Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103930560	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	105109905	shares
CY2016Q3	us-gaap	Common Stock Value CommonStockValue	520000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	526000	USD
CY2015Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	109229000	USD
CY2016Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	220400000	USD
CY2015Q4	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	240326000	USD
CY2016Q4	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	311305000	USD
CY2016Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2460000000	USD
CY2016Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2460000000	USD
CY2016Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2585000000	USD
CY2016Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2585000000	USD
CY2016Q3	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	2844990000	USD
CY2016Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	2788228000	USD
CY2016Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	4270000	USD
CY2016Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	4184000	USD
CY2016Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	16951000	USD
CY2016Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	16617000	USD
CY2015Q4	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	59299000	USD
CY2016Q4	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	67241000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	1603056000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	1725433000	USD
CY2015Q4	us-gaap	Depreciation And Amortization DepreciationAndAmortization	70656000	USD
CY2016Q4	us-gaap	Depreciation And Amortization DepreciationAndAmortization	76958000	USD
CY2015Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	71239000	USD
CY2016Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	77143000	USD
CY2016Q3	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	32515000	USD
CY2016Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	94053000	USD
CY2016Q3	us-gaap	Derivative Assets DerivativeAssets	11626000	USD
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	14970000	USD
CY2016Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	3029000	USD
CY2016Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	8057000	USD
CY2016Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	1822000	USD
CY2016Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	1282000	USD
CY2016Q3	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6775000	USD
CY2016Q3	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6800000	USD
CY2016Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	3788000	USD
CY2016Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	3800000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	44141000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	109023000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	323684000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	230745000	USD
CY2015Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-2200000	USD
CY2016Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	6800000	USD
CY2016Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	240819000	USD
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	122995000	USD
CY2016Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	56771000	USD
CY2016Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	25060000	USD
CY2016Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	184048000	USD
CY2016Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	97921000	USD
CY2016Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	43575000	USD
CY2016Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	43600000	USD
CY2016Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	9900000	USD
CY2016Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	9909000	USD
CY2016Q3	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	82865000	USD
CY2016Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	107750000	USD
CY2015Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic And Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare	0.01
CY2016Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic And Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare	0.11
CY2016Q3	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	28616000	USD
CY2016Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	0	USD
CY2015Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.00
CY2016Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	1.19
CY2016Q3	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	179070000	USD
CY2016Q4	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	163763000	USD
CY2015Q4	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	-43000	USD
CY2016Q4	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	111000	USD
CY2015Q4	us-gaap	Gain Loss On Discontinuation Of Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Net GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet	0	USD
CY2016Q4	us-gaap	Gain Loss On Discontinuation Of Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring Net GainLossOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurringNet	10579000	USD
CY2015Q4	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	7905000	USD
CY2016Q4	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	3291000	USD
CY2016Q4	us-gaap	Gain On Discontinuation Of Cash Flow Hedge Due To Forecasted Transaction Probable Of Not Occurring GainOnDiscontinuationOfCashFlowHedgeDueToForecastedTransactionProbableOfNotOccurring	10600000	USD
CY2016Q3	us-gaap	Goodwill Goodwill	726962000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	729673000	USD
CY2015Q4	us-gaap	Gross Profit GrossProfit	434427000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	468863000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	101546000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	114038000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	162313000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	177894000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	0.99
CY2016Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	1.08
CY2015Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1315000	USD
CY2016Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	10994000	USD
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	60767000	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63856000	USD
CY2015Q4	us-gaap	Increase Decrease In Commodity Contract Assets And Liabilities IncreaseDecreaseInCommodityContractAssetsAndLiabilities	7495000	USD
CY2016Q4	us-gaap	Increase Decrease In Commodity Contract Assets And Liabilities IncreaseDecreaseInCommodityContractAssetsAndLiabilities	-3969000	USD
CY2015Q4	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	159234000	USD
CY2016Q4	us-gaap	Increase Decrease In Operating Assets IncreaseDecreaseInOperatingAssets	150685000	USD
CY2015Q4	us-gaap	Interest Expense InterestExpense	29537000	USD
CY2016Q4	us-gaap	Interest Expense InterestExpense	31030000	USD
CY2015Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-137000	USD
CY2016Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	-137000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10010889000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10579155000	USD
CY2016Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1788281000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1949815000	USD
CY2016Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	72900000	USD
CY2016Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	109298000	USD
CY2016Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	316000	USD
CY2016Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	0	USD
CY2016Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1600000000	USD
CY2016Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	250000000	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	250000000	USD
CY2016Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	250000000	USD
CY2016Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2188779000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2314199000	USD
CY2016Q4	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P60M
CY2015Q4	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	270402000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	272264000	USD
CY2015Q4	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-290293000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-392137000	USD
CY2015Q4	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70141000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	116963000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	102861000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	125032000	USD
CY2016Q4	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2016Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	8	state
CY2015Q4	us-gaap	Operating Expenses OperatingExpenses	241698000	USD
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	258945000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	192729000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	209918000	USD
CY2016Q3	us-gaap	Other Assets Current OtherAssetsCurrent	88085000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	76750000	USD
CY2016Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	305019000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	317088000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-768000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-828000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	7136000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	96196000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	6368000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	95368000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-442000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-476000	USD
CY2016Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	439085000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	381123000	USD
CY2016Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	245374000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	158611000	USD
CY2015Q4	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3471000	USD
CY2016Q4	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4842000	USD
CY2015Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-879000	USD
CY2016Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-994000	USD
CY2015Q4	us-gaap	Other Selling General And Administrative Expense OtherSellingGeneralAndAdministrativeExpense	119828000	USD
CY2016Q4	us-gaap	Other Selling General And Administrative Expense OtherSellingGeneralAndAdministrativeExpense	124938000	USD
CY2015Q4	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	2263000	USD
CY2016Q4	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	10263000	USD
CY2015Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2382000	USD
CY2016Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1802000	USD
CY2015Q4	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	43636000	USD
CY2016Q4	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	47740000	USD
CY2015Q4	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	0	USD
CY2016Q4	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	85714000	USD
CY2015Q4	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	290412000	USD
CY2016Q4	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	297962000	USD
CY2016Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	297743000	USD
CY2016Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	301715000	USD
CY2015Q4	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2016Q4	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	49400000	USD
CY2015Q4	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2016Q4	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	125000000	USD
CY2015Q4	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	8729000	USD
CY2016Q4	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	8998000	USD
CY2015Q4	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	305309000	USD
CY2016Q4	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	110936000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	1873900000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	1939663000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	8268606000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	8552962000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	10142506000	USD
CY2016Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	10492625000	USD
CY2015Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	674753000	USD
CY2016Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	780168000	USD
CY2016Q3	us-gaap	Regulatory Assets RegulatoryAssets	263623000	USD
CY2016Q4	us-gaap	Regulatory Assets RegulatoryAssets	237321000	USD
CY2016Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	514725000	USD
CY2016Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	517407000	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1262534000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1339826000	USD
CY2016Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	829811000	USD
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	940747000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	3463059000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	3698975000	USD
CY2015Q4	us-gaap	Taxes Other TaxesOther	51214000	USD
CY2016Q4	us-gaap	Taxes Other TaxesOther	57049000	USD
CY2015Q4	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	170000	USD
CY2016Q4	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	153000	USD
CY2015Q4	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	102713000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	105284000	shares
CY2016Q4	us-gaap	Business Acquisition Description Of Acquired Entity BusinessAcquisitionDescriptionOfAcquiredEntity	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On </font><font style="font-family:inherit;font-size:10pt;">December 20, 2016</font><font style="font-family:inherit;font-size:10pt;">, we executed a purchase and sale agreement to acquire the general partnership and limited partnership interests in EnLink North Texas Pipeline, LP (EnLink Pipeline) from EnLink Energy GP, LLC and EnLink Midstream Operating, LP for an all–cash price of </font><font style="font-family:inherit;font-size:10pt;">$85 million</font><font style="font-family:inherit;font-size:10pt;">, plus estimated working capital. After considering estimated working capital, the total proceeds paid were </font><font style="font-family:inherit;font-size:10pt;">$85.7 million</font><font style="font-family:inherit;font-size:10pt;">. The final purchase is subject to adjustment after the estimated working capital is finalized during the second quarter of fiscal 2017.</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%;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">EnLink Pipeline's primary asset is a 140–mile natural gas pipeline located on the north side of the Dallas–Fort Worth Metroplex. As of December 31, 2016, the </font><font style="font-family:inherit;font-size:10pt;">$85 million</font><font style="font-family:inherit;font-size:10pt;"> purchase price was preliminarily allocated, based on fair value using observable market inputs, to the net book value of the acquired pipeline. The final purchase price allocation is subject to adjustment pending the completion of analysis of the fair value of certain contracts included in the acquisition. We expect to complete this evaluation during the second quarter of fiscal 2017.</font></div></div>
CY2016Q4	us-gaap	Nature Of Operations NatureOfOperations	<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;">Nature of Business</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Atmos Energy Corporation (“Atmos Energy” or the “Company”) is engaged primarily in the regulated natural gas distribution and pipeline business. Our regulated businesses are subject to federal and state regulation and/or regulation by local authorities in each of the states our regulated divisions and subsidiaries operate.</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our distribution business delivers natural gas through sales and transportation arrangements to approximately </font><font style="font-family:inherit;font-size:10pt;">three million</font><font style="font-family:inherit;font-size:10pt;"> residential, commercial, public authority and industrial customers through our </font><font style="font-family:inherit;font-size:10pt;">six</font><font style="font-family:inherit;font-size:10pt;"> natural gas distribution divisions, which at </font><font style="font-family:inherit;font-size:10pt;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;">, covered service areas located in </font><font style="font-family:inherit;font-size:10pt;">eight</font><font style="font-family:inherit;font-size:10pt;"> states. In addition, we transport natural gas for others through our distribution system. </font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our pipeline and storage business includes the transportation of natural gas to our North Texas and Louisiana distribution systems and the management of our underground storage facilities used to support our North Texas distribution business.</font></div><div style="line-height:120%;padding-top:6px;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Through December 31, 2016, Atmos Energy was also engaged in certain nonregulated businesses. As more fully described in Note </font><font style="font-family:inherit;font-size:10pt;">6</font><font style="font-family:inherit;font-size:10pt;">, effective January 1, 2017, we sold all of the equity interests of Atmos Energy Marketing, LLC (AEM) to CenterPoint Energy Services, Inc., a subsidiary of CenterPoint Energy Inc. As a result of the sale, Atmos Energy has fully exited the nonregulated gas marketing business. Additionally, as further described in Note </font><font style="font-family:inherit;font-size:10pt;">3</font><font style="font-family:inherit;font-size:10pt;">, we modified our reporting segments as a result of the sale.</font></div></div>

Files In Submission

Name	View Source	Status
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0000731802-17-000008.txt	Edgar Link	pending
0000731802-17-000008-xbrl.zip	Edgar Link	pending
ato-20161231.xml	Edgar Link	completed
ato-20161231.xsd	Edgar Link	pending
ato-20161231_cal.xml	Edgar Link	unprocessable
ato-20161231_def.xml	Edgar Link	unprocessable
ato-20161231_lab.xml	Edgar Link	unprocessable
ato-20161231_pre.xml	Edgar Link	unprocessable
ato2016123110-q.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
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$ATO
ATMOS ENERGY CORP Stock $ato

2017 Q1 Form 10-Q Financial Statement

#000073180217000008 Filed on February 07, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$ATO ATMOS ENERGY CORP Stock $ato

2017 Q1 Form 10-Q Financial Statement

#000073180217000008 Filed on February 07, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATO
ATMOS ENERGY CORP Stock $ato