$NFG
NATIONAL FUEL GAS CO Stock $nfg

$nfg Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-Q Financial Statement

#000007014518000005 Filed on February 02, 2018

Income Statement

Concept	2017 Q4	2016 Q4
Revenue	$419.7M	$422.5M
YoY Change	-0.67%	12.61%
Cost Of Revenue	$94.00M	$70.20M
YoY Change	33.9%	66.75%
Gross Profit	$325.7M	$352.3M
YoY Change	-7.55%	5.76%
Gross Profit Margin	77.61%	83.38%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$55.83M	$56.20M
YoY Change	-0.65%	-20.35%
% of Gross Profit	17.14%	15.95%
Operating Expenses	$270.2M	$250.4M
YoY Change	7.92%	-63.24%
Operating Profit	$149.5M	$172.1M
YoY Change	-13.17%	-156.27%
Interest Expense	-$28.60M	-$28.40M
YoY Change	0.7%	-5.33%
% of Operating Profit	-19.13%	-16.5%
Other Income/Expense, Net	-$3.503M	$1.600M
YoY Change	-318.94%	-33.33%
Pretax Income	$117.4M	$145.3M
YoY Change	-19.24%	-143.59%
Income Tax	-$81.28M	$56.43M
% Of Pretax Income	-69.24%	38.83%
Net Earnings	$198.7M	$88.91M
YoY Change	123.44%	-147.01%
Net Earnings / Revenue	47.34%	21.04%
Basic Earnings Per Share	$2.32	$1.04
Diluted Earnings Per Share	$2.30	$1.04
COMMON SHARES
Basic Shares Outstanding	85.63M shares	85.19M shares
Diluted Shares Outstanding	86.33M shares	85.80M shares

Balance Sheet

Concept	2017 Q4	2016 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$166.3M	$136.5M
YoY Change	21.83%	276.03%
Cash & Equivalents	$166.3M	$136.5M
Short-Term Investments
Other Short-Term Assets	$47.91M	$49.78M
YoY Change	-3.74%	-24.74%
Inventory	$59.30M	$57.60M
Prepaid Expenses
Receivables	$161.0M	$161.0M
Other Receivables	$9.200M	$7.800M
Total Short-Term Assets	$521.6M	$467.7M
YoY Change	11.51%	10.18%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.729B	$4.486B
YoY Change	5.41%	-8.12%
Goodwill	$5.476M	$5.476M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$123.4M	$114.7M
YoY Change	7.59%	6.01%
Other Assets	$754.0K	$491.0K
YoY Change	53.56%	203.09%
Total Long-Term Assets	$541.3M	$707.9M
YoY Change	-23.53%	-19.84%
TOTAL ASSETS
Total Short-Term Assets	$521.6M	$467.7M
Total Long-Term Assets	$541.3M	$707.9M
Total Assets	$5.792B	$5.662B
YoY Change	2.3%	-8.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$132.4M	$113.1M
YoY Change	17.04%	-10.86%
Accrued Expenses	$37.76M	$35.95M
YoY Change	5.03%	28.19%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change		-100.0%
Long-Term Debt Due	$0.00	$0.00
YoY Change
Total Short-Term Liabilities	$365.3M	$306.2M
YoY Change	19.3%	-25.52%
LONG-TERM LIABILITIES
Long-Term Debt	$2.084B	$2.087B
YoY Change	-0.11%	0.11%
Other Long-Term Liabilities	$1.029B	$896.6M
YoY Change	14.77%	1.59%
Total Long-Term Liabilities	$1.482B	$1.700B
YoY Change	-12.8%	-9.68%
TOTAL LIABILITIES
Total Short-Term Liabilities	$365.3M	$306.2M
Total Long-Term Liabilities	$1.482B	$1.700B
Total Liabilities	$1.848B	$2.006B
YoY Change	-7.9%	-12.52%
SHAREHOLDERS EQUITY
Retained Earnings	$1.015B	$762.6M
YoY Change	33.06%	-13.4%
Common Stock	$85.76M	$85.29M
YoY Change	0.55%	0.65%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.860B	$1.569B
YoY Change
Total Liabilities & Shareholders Equity	$5.792B	$5.662B
YoY Change	2.3%	-8.54%

Cashflow Statement

Concept	2017 Q4	2016 Q4
OPERATING ACTIVITIES
Net Income	$198.7M	$88.91M
YoY Change	123.44%	-147.01%
Depreciation, Depletion And Amortization	$55.83M	$56.20M
YoY Change	-0.65%	-20.35%
Cash From Operating Activities	$97.50M	$144.6M
YoY Change	-32.57%	26.73%
INVESTING ACTIVITIES
Capital Expenditures	$142.6M	$106.1M
YoY Change	34.47%	-43.12%
Acquisitions
YoY Change
Other Investing Activities	-$2.612M	$4.297M
YoY Change	-160.79%	-72.73%
Cash From Investing Activities	-$140.0M	-$104.6M
YoY Change	33.84%	-45.41%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$307.0M	$0.00
YoY Change
Cash From Financing Activities	-344.0M	-33.50M
YoY Change	926.87%	-11266.67%
NET CHANGE
Cash From Operating Activities	97.50M	144.6M
Cash From Investing Activities	-140.0M	-104.6M
Cash From Financing Activities	-344.0M	-33.50M
Net Change In Cash	-386.5M	6.500M
YoY Change	-6046.15%	-108.42%
FREE CASH FLOW
Cash From Operating Activities	$97.50M	$144.6M
Capital Expenditures	$142.6M	$106.1M
Free Cash Flow	-$45.11M	$38.55M
YoY Change	-217.03%	-153.29%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017Q4	dei	Amendment Flag AmendmentFlag	false
CY2017Q4	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2017Q4	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2017Q4	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2017Q4	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017Q4	dei	Document Type DocumentType	10-Q
CY2017Q4	dei	Entity Central Index Key EntityCentralIndexKey	0000070145
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	85801778	shares
CY2017Q4	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q4	dei	Entity Registrant Name EntityRegistrantName	NATIONAL FUEL GAS CO
CY2017Q4	dei	Trading Symbol TradingSymbol	nfg
CY2017Q4	nfg	After Tax Net Hedging Gains Losses In Accumulated Other Comprehensive Income Loss AfterTaxNetHedgingGainsLossesInAccumulatedOtherComprehensiveIncomeLoss	10300000	USD
CY2016Q4	nfg	Beginning Retained Earnings Unappropriated And Current Period Net Income Loss BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss	765269000	USD
CY2017Q4	nfg	Beginning Retained Earnings Unappropriated And Current Period Net Income Loss BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss	1050323000	USD
CY2017Q4	nfg	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months After Tax CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsAfterTax	3000000	USD
CY2017Q3	nfg	Cost Of Removal Regulatory Liability CostOfRemovalRegulatoryLiability	204630000	USD
CY2017Q4	nfg	Cost Of Removal Regulatory Liability CostOfRemovalRegulatoryLiability	205554000	USD
CY2017Q4	nfg	Decrease To Recoverable Future Taxes Impactof Change In Corporate Tax Rate DecreaseToRecoverableFutureTaxesImpactofChangeInCorporateTaxRate	65700000	USD
CY2017Q3	nfg	Fair Value Assets Liabilities Measured On Recurring Basis Net FairValueAssetsLiabilitiesMeasuredOnRecurringBasisNet	650637000	USD
CY2017Q4	nfg	Fair Value Assets Liabilities Measured On Recurring Basis Net FairValueAssetsLiabilitiesMeasuredOnRecurringBasisNet	235674000	USD
CY2017Q3	nfg	Fair Value Assets Measured On Recurring Basis Total FairValueAssetsMeasuredOnRecurringBasisTotal	651740000	USD
CY2017Q4	nfg	Fair Value Assets Measured On Recurring Basis Total FairValueAssetsMeasuredOnRecurringBasisTotal	242253000	USD
CY2017Q3	nfg	Fair Value Liabilities Measured On Recurring Basis Total FairValueLiabilitiesMeasuredOnRecurringBasisTotal	1103000	USD
CY2017Q4	nfg	Fair Value Liabilities Measured On Recurring Basis Total FairValueLiabilitiesMeasuredOnRecurringBasisTotal	6579000	USD
CY2017Q4	nfg	Full Cost Ceiling Exceeds Book Value Of Oil And Gas Properties FullCostCeilingExceedsBookValueOfOilAndGasProperties	334600000	USD
CY2017Q4	nfg	Full Cost Ceiling Test Discount Factor FullCostCeilingTestDiscountFactor	0.1
CY2017Q4	nfg	Increase To Taxes Refundable To Customers Impact Of Changes In Corporate Tax Rate IncreaseToTaxesRefundableToCustomersImpactOfChangesInCorporateTaxRate	271000000	USD
CY2017Q3	nfg	Interest Payable On Long Term Debt InterestPayableOnLongTermDebt	35031000	USD
CY2017Q4	nfg	Interest Payable On Long Term Debt InterestPayableOnLongTermDebt	27962000	USD
CY2017Q4	nfg	Offsetting Gain Loss On Hedged Item Attributable To Hedged Risk OffsettingGainLossOnHedgedItemAttributableToHedgedRisk	1616000	USD
CY2017Q3	nfg	Other Current Assets Fair Values Of Firm Commitments OtherCurrentAssetsFairValuesOfFirmCommitments	1031000	USD
CY2017Q4	nfg	Other Current Assets Fair Values Of Firm Commitments OtherCurrentAssetsFairValuesOfFirmCommitments	3218000	USD
CY2017Q3	nfg	Other Investments Including Csv Life Insurance And Avail For Sale OtherInvestmentsIncludingCsvLifeInsuranceAndAvailForSale	125265000	USD
CY2017Q4	nfg	Other Investments Including Csv Life Insurance And Avail For Sale OtherInvestmentsIncludingCsvLifeInsuranceAndAvailForSale	123368000	USD
CY2017Q4	nfg	Project Costs ProjectCosts	75500000	USD
CY2017Q4	nfg	Recommended Costof Equity RecommendedCostofEquity	0.086
CY2017Q4	nfg	Recommended Equity Ratio RecommendedEquityRatio	0.423
CY2017Q4	nfg	Recommendedrateincreasedecreaseamount Recommendedrateincreasedecreaseamount	8500000	USD
CY2017Q3	nfg	Recoverable Future Taxes RecoverableFutureTaxes	181363000	USD
CY2017Q4	nfg	Recoverable Future Taxes RecoverableFutureTaxes	116792000	USD
CY2017Q4	nfg	Reduction In Deferred Taxes Rate Regulated Activities Impact Of Change In Corporate Tax Rate ReductionInDeferredTaxesRateRegulatedActivitiesImpactOfChangeInCorporateTaxRate	336700000	USD
CY2017Q3	nfg	Taxes Refundable To Customers TaxesRefundableToCustomers	95739000	USD
CY2017Q4	nfg	Taxes Refundable To Customers TaxesRefundableToCustomers	366768000	USD
CY2017Q3	nfg	Unamortized Debt Expense UnamortizedDebtExpense	1159000	USD
CY2017Q4	nfg	Unamortized Debt Expense UnamortizedDebtExpense	8148000	USD
CY2017Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	126443000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	132409000	USD
CY2017Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	22883000	USD
CY2017Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	74790000	USD
CY2017Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	38673000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	37761000	USD
CY2017Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5271486000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5294211000	USD
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5640000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-54859000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30123000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-40919000	USD
CY2017Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	796646000	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	800348000	USD
CY2017Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	22526000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	24511000	USD
CY2016Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	317686	shares
CY2017Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	157603	shares
CY2017Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	106395000	USD
CY2017Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	106516000	USD
CY2017Q3	us-gaap	Assets Assets	6103320000	USD
CY2017Q4	us-gaap	Assets Assets	5791932000	USD
CY2017Q3	us-gaap	Assets Current AssetsCurrent	818280000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	521552000	USD
CY2017Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	610966000	USD
CY2017Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	541339000	USD
CY2016Q4	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	48965000	USD
CY2017Q4	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	56116000	USD
CY2017Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	3787416000	USD
CY2017Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	3944388000	USD
CY2017	us-gaap	Capitalized Costs Of Unproved Properties Excluded From Amortization CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization	80900000	USD
CY2017Q4	us-gaap	Capitalized Costs Of Unproved Properties Excluded From Amortization CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization	77100000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	129972000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	136493000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	555530000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	166289000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	527978000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	132231000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6521000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-389241000	USD
CY2017Q4	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	5000000	USD
CY2017Q3	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	39400000	USD
CY2017Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	38900000	USD
CY2017Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	USD
CY2016Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.405
CY2017Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.415
CY2017Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2017Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2017Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85543125	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85760846	shares
CY2017Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85543125	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85760846	shares
CY2017Q3	us-gaap	Common Stock Value CommonStockValue	85543000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	85761000	USD
CY2016Q4	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	39689000	USD
CY2017Q4	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	187858000	USD
CY2016Q4	us-gaap	Cost Of Purchased Oil And Gas CostOfPurchasedOilAndGas	70243000	USD
CY2017Q4	us-gaap	Cost Of Purchased Oil And Gas CostOfPurchasedOilAndGas	94034000	USD
CY2017Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	19200000	USD
CY2017Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	4200000	USD
CY2017Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	31900000	USD
CY2017Q3	us-gaap	Customer Advances Current CustomerAdvancesCurrent	15701000	USD
CY2017Q4	us-gaap	Customer Advances Current CustomerAdvancesCurrent	18398000	USD
CY2017Q3	us-gaap	Customer Deposits Current CustomerDepositsCurrent	20372000	USD
CY2017Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	22503000	USD
CY2017Q3	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	2523639000	USD
CY2017Q4	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	2214839000	USD
CY2017Q4	us-gaap	Debt Instrument Repurchase Amount DebtInstrumentRepurchaseAmount	307000000	USD
CY2017Q3	us-gaap	Deferred Costs DeferredCosts	30047000	USD
CY2017Q4	us-gaap	Deferred Costs DeferredCosts	34063000	USD
CY2016Q4	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	44852000	USD
CY2017Q4	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-94676000	USD
CY2017Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	891287000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	453285000	USD
CY2017Q3	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	56370000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	57054000	USD
CY2016Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	56196000	USD
CY2017Q4	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	55830000	USD
CY2017Q3	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	1103000	USD
CY2017Q4	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	6579000	USD
CY2017Q3	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	36111000	USD
CY2017Q4	us-gaap	Derivative Instruments And Hedges Noncurrent DerivativeInstrumentsAndHedgesNoncurrent	21107000	USD
CY2016Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	30717000	USD
CY2017Q4	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	12548000	USD
CY2016Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	-100000	USD
CY2017Q4	us-gaap	Derivative Instruments Gain Loss Recognized In Income Ineffective Portion And Amount Excluded From Effectiveness Testing Net DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTestingNet	-433000	USD
CY2016Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	34544000	USD
CY2017Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	35590000	USD
CY2017Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	35500000	USD
CY2017Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	35590000	USD
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.32
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.04
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.30
CY2017Q4	us-gaap	Effect On Future Cash Flows Amount EffectOnFutureCashFlowsAmount	18000000	USD
CY2016Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.388
CY2017Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.692
CY2016Q4	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017Q4	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.245
CY2017Q3	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	35689000	USD
CY2017Q4	us-gaap	Energy Related Inventory Gas Stored Underground EnergyRelatedInventoryGasStoredUnderground	24139000	USD
CY2017Q4	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-1616000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	5476000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	5476000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	145340000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	117377000	USD
CY2016Q4	us-gaap	Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple	31916000	USD
CY2017Q4	us-gaap	Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple	0	USD
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	56432000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-81277000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	111000000	USD
CY2016Q4	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	18805000	USD
CY2017Q4	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	13173000	USD
CY2016Q4	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5919000	USD
CY2017Q4	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	11532000	USD
CY2016Q4	us-gaap	Increase Decrease In Customer Advances IncreaseDecreaseInCustomerAdvances	-983000	USD
CY2017Q4	us-gaap	Increase Decrease In Customer Advances IncreaseDecreaseInCustomerAdvances	2697000	USD
CY2016Q4	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	673000	USD
CY2017Q4	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	2131000	USD
CY2016Q4	us-gaap	Increase Decrease In Deferred Gas Cost IncreaseDecreaseInDeferredGasCost	1257000	USD
CY2017Q4	us-gaap	Increase Decrease In Deferred Gas Cost IncreaseDecreaseInDeferredGasCost	3164000	USD
CY2016Q4	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-10597000	USD
CY2017Q4	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-10337000	USD
CY2016Q4	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	-1484000	USD
CY2017Q4	us-gaap	Increase Decrease In Margin Deposits Outstanding IncreaseDecreaseInMarginDepositsOutstanding	2724000	USD
CY2016Q4	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-9576000	USD
CY2017Q4	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-3591000	USD
CY2016Q4	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8389000	USD
CY2017Q4	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5275000	USD
CY2016Q4	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4122000	USD
CY2017Q4	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-21775000	USD
CY2016Q4	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	67395000	USD
CY2017Q4	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	83357000	USD
CY2016Q4	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	-16306000	USD
CY2017Q4	us-gaap	Increase Decrease In Regulatory Clause Revenue IncreaseDecreaseInRegulatoryClauseRevenue	251000	USD
CY2016Q4	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	29103000	USD
CY2017Q4	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	28087000	USD
CY2016Q4	us-gaap	Interest Expense Other InterestExpenseOther	910000	USD
CY2017Q4	us-gaap	Interest Expense Other InterestExpenseOther	502000	USD
CY2016Q4	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	1600000	USD
CY2017Q4	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	2249000	USD
CY2017Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	33926000	USD
CY2017Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	35139000	USD
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6103320000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5791932000	USD
CY2017Q3	us-gaap	Liabilities Current LiabilitiesCurrent	646039000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	365288000	USD
CY2017Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	1669865000	USD
CY2017Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	1482256000	USD
CY2017Q3	us-gaap	Long Term Debt LongTermDebt	2383681000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	2084465000	USD
CY2017Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	300000000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2017Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2083681000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2084465000	USD
CY2017Q4	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	3000000	USD
CY2017Q3	us-gaap	Margin Deposit Assets MarginDepositAssets	1741000	USD
CY2017Q4	us-gaap	Margin Deposit Assets MarginDepositAssets	4465000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-33535000	USD
CY2017Q4	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-344048000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-104591000	USD
CY2017Q4	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-140001000	USD
CY2016Q4	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	144647000	USD
CY2017Q4	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	94808000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	88908000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	198654000	USD
CY2017Q4	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	5
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	250361000	USD
CY2017Q4	us-gaap	Operating Expenses OperatingExpenses	277660000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	172139000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	141995000	USD
CY2017Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	111889000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	121596000	USD
CY2017Q3	us-gaap	Other Assets Current OtherAssetsCurrent	51505000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	47914000	USD
CY2017Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	742000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	754000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-30988000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-3173000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-84842000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-18521000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-49219000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-10796000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	741000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	430000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	273000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	158000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	30717000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	12548000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	12954000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	5197000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-35623000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-7725000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-52501000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-5499000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-22052000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-2305000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-883000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-44000	USD
CY2016Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-344000	USD
CY2017Q4	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-65000	USD
CY2017Q3	us-gaap	Other Deferred Credits Noncurrent OtherDeferredCreditsNoncurrent	109019000	USD
CY2017Q4	us-gaap	Other Deferred Credits Noncurrent OtherDeferredCreditsNoncurrent	106527000	USD
CY2016Q4	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3607000	USD
CY2017Q4	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3678000	USD
CY2016Q4	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1614000	USD
CY2017Q4	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1722000	USD
CY2017Q3	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	10927000	USD
CY2017Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	7259000	USD
CY2016Q4	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	20795000	USD
CY2017Q4	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	17310000	USD
CY2017Q4	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	17300000	USD
CY2016Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	4297000	USD
CY2017Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2612000	USD
CY2016Q4	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	34473000	USD
CY2017Q4	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	35500000	USD
CY2016Q4	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	106053000	USD
CY2017Q4	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	142613000	USD
CY2017Q3	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	149079000	USD
CY2017Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	125055000	USD
CY2017Q3	us-gaap	Prepaid Taxes PrepaidTaxes	13974000	USD
CY2017Q4	us-gaap	Prepaid Taxes PrepaidTaxes	14972000	USD
CY2016Q4	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	938000	USD
CY2017Q4	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-1501000	USD
CY2016Q4	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	5759000	USD
CY2017Q4	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	0	USD
CY2017Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	9945560000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10023252000	USD
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4674074000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4729041000	USD
CY2017Q4	us-gaap	Public Utilities Approved Equity Capital Structure Percentage PublicUtilitiesApprovedEquityCapitalStructurePercentage	0.429
CY2017Q4	us-gaap	Public Utilities Approved Rate Increase Decrease Amount PublicUtilitiesApprovedRateIncreaseDecreaseAmount	5900000	USD
CY2017Q4	us-gaap	Public Utilities Approved Return On Equity Percentage PublicUtilitiesApprovedReturnOnEquityPercentage	0.087
CY2017Q4	us-gaap	Public Utilities Requested Rate Increase Decrease Amount PublicUtilitiesRequestedRateIncreaseDecreaseAmount	41700000	USD
CY2017Q3	us-gaap	Receivables Net Current ReceivablesNetCurrent	112383000	USD
CY2017Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	161029000	USD
CY2016Q4	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	18231000	USD
CY2017Q4	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	63082	shares
CY2017Q4	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	7623000	USD
CY2017Q3	us-gaap	Refundable Gas Costs RefundableGasCosts	0	USD
CY2017Q4	us-gaap	Refundable Gas Costs RefundableGasCosts	251000	USD
CY2017Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	15884000	USD
CY2017Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	13301000	USD
CY2017Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	174433000	USD
CY2017Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	174577000	USD
CY2017Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	34059000	USD
CY2017Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	38920000	USD
CY2017Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	113716000	USD
CY2017Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	118551000	USD
CY2017Q4	us-gaap	Remaining Recovery Period Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided1 RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1	P4Y
CY2016Q4	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2017Q4	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	307047000	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	676361000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	762641000	USD
CY2017Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	851669000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1014733000	USD
CY2016Q4	us-gaap	Sales Revenue Goods Gross SalesRevenueGoodsGross	422500000	USD
CY2017Q4	us-gaap	Sales Revenue Goods Gross SalesRevenueGoodsGross	419655000	USD
CY2016Q4	us-gaap	Share Based Compensation ShareBasedCompensation	2482000	USD
CY2017Q4	us-gaap	Share Based Compensation ShareBasedCompensation	3905000	USD
CY2017Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	USD
CY2017Q4	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	25453	shares
CY2017Q4	us-gaap	Stock Issued During Period Shares Employee Benefit Plan StockIssuedDuringPeriodSharesEmployeeBenefitPlan	25879	shares
CY2017Q4	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	51218	shares
CY2017Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1703735000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1859923000	USD
CY2016Q4	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	20379000	USD
CY2017Q4	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	20848000	USD
CY2017Q4	us-gaap	Unrealized Gain Loss On Price Risk Cash Flow Derivatives Before Tax UnrealizedGainLossOnPriceRiskCashFlowDerivativesBeforeTax	17500000	USD
CY2017Q3	us-gaap	Unrecovered Costs For Purchased Gas Amount UnrecoveredCostsForPurchasedGasAmount	4623000	USD
CY2017Q4	us-gaap	Unrecovered Costs For Purchased Gas Amount UnrecoveredCostsForPurchasedGasAmount	7787000	USD
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	85797989	shares
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86325537	shares
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85189851	shares
CY2017Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85630296	shares

Files In Submission

Name	View Source	Status
0000070145-18-000005-index-headers.html	Edgar Link	pending
0000070145-18-000005-index.html	Edgar Link	pending
0000070145-18-000005.txt	Edgar Link	pending
0000070145-18-000005-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
nfg-12312017x10q.htm	Edgar Link	pending
nfg-12312017xexhibit101.htm	Edgar Link	pending
nfg-12312017xexhibit102.htm	Edgar Link	pending
nfg-12312017xexhibit103.htm	Edgar Link	pending
nfg-12312017xexhibit12.htm	Edgar Link	pending
nfg-12312017xexhibit311.htm	Edgar Link	pending
nfg-12312017xexhibit312.htm	Edgar Link	pending
nfg-12312017xexhibit32.htm	Edgar Link	pending
nfg-12312017xexhibit99.htm	Edgar Link	pending
nfg-20171231.xml	Edgar Link	completed
nfg-20171231.xsd	Edgar Link	pending
nfg-20171231_cal.xml	Edgar Link	unprocessable
nfg-20171231_def.xml	Edgar Link	unprocessable
nfg-20171231_lab.xml	Edgar Link	unprocessable
nfg-20171231_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$NFG
NATIONAL FUEL GAS CO Stock $nfg

2017 Q4 Form 10-Q Financial Statement

#000007014518000005 Filed on February 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NFG NATIONAL FUEL GAS CO Stock $nfg

2017 Q4 Form 10-Q Financial Statement

#000007014518000005 Filed on February 02, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NFG
NATIONAL FUEL GAS CO Stock $nfg