10-Q Filing

NATIONAL FUEL GAS CO CIK: 70145 Q2 2018

Filing Information

Form Type	10-Q
Accession Number	`0000070145-18-000009`
Period End Date	20180331
Filing Date	20180504
Fiscal Year	2018
Fiscal Period	Q2
XBRL Instance	nfg-20180331.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 122 Income Statement 96 Cash Flow Statement 68 Comprehensive Income 52

Balance Sheet 122 line items

Line Item	Tag	Value	Unit	Period
Receivables, Allowance for Uncollectible Accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$22.53M	USD	Point-in-time
Receivables, Allowance for Uncollectible Accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$28.59M	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$10.13B	USD	Point-in-time
Common Stock, Par Value	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Property, Plant and Equipment	`PropertyPlantAndEquipmentGross`	$9.95B	USD	Point-in-time
Common Stock, Par Value	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.27B	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Less - Accumulated Depreciation, Depletion and Amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$5.34B	USD	Point-in-time
Property, Plant and Equipment, Net, Total	`PropertyPlantAndEquipmentNet`	$4.67B	USD	Point-in-time
Common Stock, Shares Issued	`CommonStockSharesIssued`	85.88M	shares	Point-in-time
Common Stock, Shares Issued	`CommonStockSharesIssued`	85.54M	shares	Point-in-time
Property, Plant and Equipment, Net, Total	`PropertyPlantAndEquipmentNet`	$4.78B	USD	Point-in-time
Common Stock, Shares Outstanding	`CommonStockSharesOutstanding`	85.88M	shares	Point-in-time
Common Stock, Shares Outstanding	`CommonStockSharesOutstanding`	85.54M	shares	Point-in-time
Cash and Temporary Cash Investments	`CashAndCashEquivalentsAtCarryingValue`	$555.53M	USD	Point-in-time
Cash and Temporary Cash Investments	`CashAndCashEquivalentsAtCarryingValue`	$227.99M	USD	Point-in-time
Cash and Temporary Cash Investments	`CashAndCashEquivalentsAtCarryingValue`	$231.17M	USD	Point-in-time
Cash and Temporary Cash Investments	`CashAndCashEquivalentsAtCarryingValue`	$129.97M	USD	Point-in-time
Hedging Collateral Deposits	`MarginDepositAssets`	$3.66M	USD	Point-in-time
Hedging Collateral Deposits	`MarginDepositAssets`	$1.74M	USD	Point-in-time
Receivables Net of Allowance for Uncollectible Accounts of $28,592 and $22,526, Respectively	`ReceivablesNetCurrent`	$112.38M	USD	Point-in-time
Receivables Net of Allowance for Uncollectible Accounts of $28,592 and $22,526, Respectively	`ReceivablesNetCurrent`	$198.92M	USD	Point-in-time
Unbilled Revenue	`AccountsReceivableGrossCurrent`	$22.88M	USD	Point-in-time
Unbilled Revenue	`AccountsReceivableGrossCurrent`	$60.06M	USD	Point-in-time
Gas Stored Underground	`EnergyRelatedInventoryGasStoredUnderground`	$35.69M	USD	Point-in-time
Gas Stored Underground	`EnergyRelatedInventoryGasStoredUnderground`	$6.84M	USD	Point-in-time
Materials and Supplies - at average cost	`InventoryRawMaterialsAndSupplies`	$33.93M	USD	Point-in-time
Materials and Supplies - at average cost	`InventoryRawMaterialsAndSupplies`	$34.77M	USD	Point-in-time
Unrecovered Purchased Gas Costs	`UnrecoveredCostsForPurchasedGasAmount`	$426.00K	USD	Point-in-time
Unrecovered Purchased Gas Costs	`UnrecoveredCostsForPurchasedGasAmount`	$4.62M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$60.32M	USD	Point-in-time
Other Current Assets	`OtherAssetsCurrent`	$51.51M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$592.99M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$818.28M	USD	Point-in-time
Recoverable Future Taxes	`RecoverableFutureTaxes`	$181.36M	USD	Point-in-time
Recoverable Future Taxes	`RecoverableFutureTaxes`	$115.51M	USD	Point-in-time
Unamortized Debt Expense	`UnamortizedDebtExpense`	$1.16M	USD	Point-in-time
Unamortized Debt Expense	`UnamortizedDebtExpense`	$7.86M	USD	Point-in-time
Other Regulatory Assets	`RegulatoryAssetsNoncurrent`	$174.43M	USD	Point-in-time
Other Regulatory Assets	`RegulatoryAssetsNoncurrent`	$171.90M	USD	Point-in-time
Deferred Charges	`DeferredCosts`	$36.84M	USD	Point-in-time
Deferred Charges	`DeferredCosts`	$30.05M	USD	Point-in-time
Other Investments	`OtherInvestmentsIncludingCsvLifeInsuranceAndAvailForSale`	$125.27M	USD	Point-in-time
Other Investments	`OtherInvestmentsIncludingCsvLifeInsuranceAndAvailForSale`	$123.04M	USD	Point-in-time
Goodwill	`Goodwill`	$5.48M	USD	Point-in-time
Goodwill	`Goodwill`	$5.48M	USD	Point-in-time
Prepaid Post-Retirement Benefit Costs	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$59.59M	USD	Point-in-time
Prepaid Post-Retirement Benefit Costs	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$56.37M	USD	Point-in-time
Fair Value of Derivative Financial Instruments	`DerivativeInstrumentsAndHedgesNoncurrent`	$18.14M	USD	Point-in-time
Fair Value of Derivative Financial Instruments	`DerivativeInstrumentsAndHedgesNoncurrent`	$36.11M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$742.00K	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$426.00K	USD	Point-in-time
Total Other Assets	`AssetsNoncurrent`	$538.78M	USD	Point-in-time
Total Other Assets	`AssetsNoncurrent`	$610.97M	USD	Point-in-time
Total Assets	`Assets`	$5.91B	USD	Point-in-time
Total Assets	`Assets`	$6.10B	USD	Point-in-time
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 85,881,897 Shares and 85,543,125 Shares, Respectively	`CommonStockValue`	$85.54M	USD	Point-in-time
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 85,881,897 Shares and 85,543,125 Shares, Respectively	`CommonStockValue`	$85.88M	USD	Point-in-time
Paid in Capital	`AdditionalPaidInCapital`	$796.65M	USD	Point-in-time
Paid in Capital	`AdditionalPaidInCapital`	$810.13M	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$1.01B	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$1.07B	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$676.36M	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$762.64M	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$851.67M	USD	Point-in-time
Earnings Reinvested in the Business	`RetainedEarningsAccumulatedDeficit`	$817.35M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-34.09M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-47.76M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-40.92M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-54.86M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.12M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-5.64M	USD	Point-in-time
Total Comprehensive Shareholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.92B	USD	Point-in-time
Total Comprehensive Shareholders Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.70B	USD	Point-in-time
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.08B	USD	Point-in-time
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.09B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$4.00B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$3.79B	USD	Point-in-time
Notes Payable to Banks and Commercial Paper	`ShortTermBorrowings`	-	USD	Point-in-time
Notes Payable to Banks and Commercial Paper	`ShortTermBorrowings`	-	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtCurrent`	$300.00M	USD	Point-in-time
Current Portion of Long-Term Debt	`LongTermDebtCurrent`	-	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$126.44M	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$127.58M	USD	Point-in-time
Amounts Payable to Customers	`RefundableGasCosts`	-	USD	Point-in-time
Amounts Payable to Customers	`RefundableGasCosts`	$12.08M	USD	Point-in-time
Dividends Payable	`DividendsPayableCurrent`	$35.64M	USD	Point-in-time
Dividends Payable	`DividendsPayableCurrent`	$35.50M	USD	Point-in-time
Interest Payable on Long-Term Debt	`InterestPayableOnLongTermDebt`	$35.03M	USD	Point-in-time
Interest Payable on Long-Term Debt	`InterestPayableOnLongTermDebt`	$26.43M	USD	Point-in-time
Customer Advances	`CustomerAdvancesCurrent`	$15.70M	USD	Point-in-time
Customer Advances	`CustomerAdvancesCurrent`	$154.00K	USD	Point-in-time
Customer Security Deposits	`CustomerDepositsCurrent`	$20.37M	USD	Point-in-time
Customer Security Deposits	`CustomerDepositsCurrent`	$18.97M	USD	Point-in-time
Other Accruals and Current Liabilities	`OtherAccruedLiabilitiesCurrent`	$111.89M	USD	Point-in-time
Other Accruals and Current Liabilities	`OtherAccruedLiabilitiesCurrent`	$147.55M	USD	Point-in-time
Fair Value of Derivative Financial Instruments	`DerivativeInstrumentsAndHedgesLiabilities`	$11.47M	USD	Point-in-time
Fair Value of Derivative Financial Instruments	`DerivativeInstrumentsAndHedgesLiabilities`	$1.10M	USD	Point-in-time
Total Current and Accrued Liabilities	`LiabilitiesCurrent`	$646.04M	USD	Point-in-time
Total Current and Accrued Liabilities	`LiabilitiesCurrent`	$379.89M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$482.68M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$891.29M	USD	Point-in-time
Taxes Refundable to Customers	`TaxesRefundableToCustomers`	$365.09M	USD	Point-in-time
Taxes Refundable to Customers	`TaxesRefundableToCustomers`	$95.74M	USD	Point-in-time
Cost of Removal Regulatory Liability	`CostOfRemovalRegulatoryLiability`	$207.71M	USD	Point-in-time
Cost of Removal Regulatory Liability	`CostOfRemovalRegulatoryLiability`	$204.63M	USD	Point-in-time
Other Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$113.72M	USD	Point-in-time
Other Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$124.87M	USD	Point-in-time
Pension and Other Post-Retirement Liabilities	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$133.85M	USD	Point-in-time
Pension and Other Post-Retirement Liabilities	`PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent`	$149.08M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$106.48M	USD	Point-in-time
Asset Retirement Obligations	`AssetRetirementObligationsNoncurrent`	$106.39M	USD	Point-in-time
Other Deferred Credits	`OtherDeferredCreditsNoncurrent`	$109.79M	USD	Point-in-time
Other Deferred Credits	`OtherDeferredCreditsNoncurrent`	$109.02M	USD	Point-in-time
Total Deferred Credits	`LiabilitiesNoncurrent`	$1.67B	USD	Point-in-time
Total Deferred Credits	`LiabilitiesNoncurrent`	$1.53B	USD	Point-in-time
Commitments and Contingencies (Note 6)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 6)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$6.10B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$5.91B	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`SalesRevenueGoodsGross`	$540.90M	USD	1 Quarter
Operating Revenues	`SalesRevenueGoodsGross`	$960.56M	USD	2 Qtrs
Operating Revenues	`SalesRevenueGoodsGross`	$944.58M	USD	2 Qtrs
Operating Revenues	`SalesRevenueGoodsGross`	$522.08M	USD	1 Quarter
Purchased Gas	`CostOfPurchasedOilAndGas`	$270.64M	USD	2 Qtrs
Purchased Gas	`CostOfPurchasedOilAndGas`	$218.21M	USD	2 Qtrs
Purchased Gas	`CostOfPurchasedOilAndGas`	$147.97M	USD	1 Quarter
Purchased Gas	`CostOfPurchasedOilAndGas`	$176.61M	USD	1 Quarter
Property, Franchise and Other Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.54M	USD	1 Quarter
Property, Franchise and Other Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$42.92M	USD	2 Qtrs
Property, Franchise and Other Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.80M	USD	1 Quarter
Property, Franchise and Other Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$43.65M	USD	2 Qtrs
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$57.00M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$113.19M	USD	2 Qtrs
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$116.98M	USD	2 Qtrs
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$61.16M	USD	1 Quarter
Total Operating Expenses	`OperatingExpenses`	$602.48M	USD	2 Qtrs
Total Operating Expenses	`OperatingExpenses`	$352.12M	USD	1 Quarter
Total Operating Expenses	`OperatingExpenses`	$384.20M	USD	1 Quarter
Total Operating Expenses	`OperatingExpenses`	$661.86M	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$342.10M	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$156.70M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$169.96M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$298.70M	USD	2 Qtrs
Interest Income	`InterestIncomeDomesticDeposits`	$3.27M	USD	2 Qtrs
Interest Income	`InterestIncomeDomesticDeposits`	$391.00K	USD	1 Quarter
Interest Income	`InterestIncomeDomesticDeposits`	$1.02M	USD	1 Quarter
Interest Income	`InterestIncomeDomesticDeposits`	$1.99M	USD	2 Qtrs
Other Income	`OtherNonoperatingIncome`	$2.49M	USD	2 Qtrs
Other Income	`OtherNonoperatingIncome`	$770.00K	USD	1 Quarter
Other Income	`OtherNonoperatingIncome`	$3.36M	USD	2 Qtrs
Other Income	`OtherNonoperatingIncome`	$1.74M	USD	1 Quarter
Interest Expense on Long-Term Debt	`InterestExpenseLongTermDebt`	$27.15M	USD	1 Quarter
Interest Expense on Long-Term Debt	`InterestExpenseLongTermDebt`	$55.23M	USD	2 Qtrs
Interest Expense on Long-Term Debt	`InterestExpenseLongTermDebt`	$28.91M	USD	1 Quarter
Interest Expense on Long-Term Debt	`InterestExpenseLongTermDebt`	$58.02M	USD	2 Qtrs
Other Interest Expense	`InterestExpenseOther`	$1.23M	USD	1 Quarter
Other Interest Expense	`InterestExpenseOther`	$1.83M	USD	2 Qtrs
Other Interest Expense	`InterestExpenseOther`	$1.74M	USD	2 Qtrs
Other Interest Expense	`InterestExpenseOther`	$924.00K	USD	1 Quarter
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$142.25M	USD	1 Quarter
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$287.59M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$247.49M	USD	2 Qtrs
Income Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$130.12M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$52.97M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-43.01M	USD	2 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$109.40M	USD	2 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$38.27M	USD	1 Quarter
Net Income Available for Common Stock	`NetIncomeLoss`	$178.19M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$91.85M	USD	1 Quarter
Net Income Available for Common Stock	`NetIncomeLoss`	$290.50M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$89.28M	USD	1 Quarter
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$1.01B	USD	Point-in-time
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$1.07B	USD	Point-in-time
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$676.36M	USD	Point-in-time
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$762.64M	USD	Point-in-time
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$851.67M	USD	Point-in-time
Balance at Beginning of Period	`RetainedEarningsAccumulatedDeficit`	$817.35M	USD	Point-in-time
Beginning Retained Earnings Unappropriated And Current Period Net Income	`BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss`	$851.92M	USD	1 Quarter
Beginning Retained Earnings Unappropriated And Current Period Net Income	`BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss`	$1.11B	USD	1 Quarter
Beginning Retained Earnings Unappropriated And Current Period Net Income	`BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss`	$1.14B	USD	2 Qtrs
Beginning Retained Earnings Unappropriated And Current Period Net Income	`BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss`	$854.55M	USD	2 Qtrs
Dividends on Common Stock	`DividendsCommonStockCash`	$69.12M	USD	2 Qtrs
Dividends on Common Stock	`DividendsCommonStockCash`	$35.64M	USD	1 Quarter
Dividends on Common Stock	`DividendsCommonStockCash`	$71.23M	USD	2 Qtrs
Dividends on Common Stock	`DividendsCommonStockCash`	$34.58M	USD	1 Quarter
Cumulative Effect of Adoption of Authoritative Guidance for Stock-Based Compensation	`IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple`	-	USD	2 Qtrs
Cumulative Effect of Adoption of Authoritative Guidance for Stock-Based Compensation	`IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple`	$31.92M	USD	2 Qtrs
Cumulative Effect of Adoption of Authoritative Guidance for Stock-Based Compensation	`IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple`	-	USD	1 Quarter
Cumulative Effect of Adoption of Authoritative Guidance for Stock-Based Compensation	`IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple`	-	USD	1 Quarter
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$1.01B	USD	Point-in-time
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$1.07B	USD	Point-in-time
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$676.36M	USD	Point-in-time
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$762.64M	USD	Point-in-time
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$851.67M	USD	Point-in-time
Balance at March 31	`RetainedEarningsAccumulatedDeficit`	$817.35M	USD	Point-in-time
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareBasic`	$3.39	USD	2 Qtrs
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareBasic`	$1.07	USD	1 Quarter
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareBasic`	$2.09	USD	2 Qtrs
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareBasic`	$1.05	USD	1 Quarter
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareDiluted`	$1.06	USD	1 Quarter
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareDiluted`	$1.04	USD	1 Quarter
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareDiluted`	$3.37	USD	2 Qtrs
Net Income Available for Common Stock (in dollars per share)	`EarningsPerShareDiluted`	$2.07	USD	2 Qtrs
Used in Basic Calculation (shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	85.72M	shares	2 Qtrs
Used in Basic Calculation (shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	85.81M	shares	1 Quarter
Used in Basic Calculation (shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	85.33M	shares	1 Quarter
Used in Basic Calculation (shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	85.26M	shares	2 Qtrs
Used in Diluted Calculation (shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	86.01M	shares	1 Quarter
Used in Diluted Calculation (shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	85.90M	shares	2 Qtrs
Used in Diluted Calculation (shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	86.32M	shares	2 Qtrs
Used in Diluted Calculation (shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	86.32M	shares	1 Quarter
Dividends Declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Dividends Declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Dividends Declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.81	USD	2 Qtrs
Dividends Declared (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.83	USD	2 Qtrs

Cash Flow Statement 68 line items

Line Item	Tag	Value	Unit	Period
Net Income Available for Common Stock	`NetIncomeLoss`	$178.19M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$91.85M	USD	1 Quarter
Net Income Available for Common Stock	`NetIncomeLoss`	$290.50M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$89.28M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$57.00M	USD	1 Quarter
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$113.19M	USD	2 Qtrs
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$116.98M	USD	2 Qtrs
Depreciation, Depletion and Amortization	`DepreciationDepletionAndAmortization`	$61.16M	USD	1 Quarter
Deferred Income Taxes	`DeferredIncomeTaxesAndTaxCredits`	$-62.46M	USD	2 Qtrs
Deferred Income Taxes	`DeferredIncomeTaxesAndTaxCredits`	$63.78M	USD	2 Qtrs
Stock-Based Compensation	`ShareBasedCompensation`	$5.63M	USD	2 Qtrs
Stock-Based Compensation	`ShareBasedCompensation`	$7.86M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-8.05M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-7.71M	USD	2 Qtrs
Hedging Collateral Deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$1.92M	USD	2 Qtrs
Hedging Collateral Deposits	`IncreaseDecreaseInMarginDepositsOutstanding`	$287.00K	USD	2 Qtrs
Receivables and Unbilled Revenue	`IncreaseDecreaseInReceivables`	$123.95M	USD	2 Qtrs
Receivables and Unbilled Revenue	`IncreaseDecreaseInReceivables`	$92.16M	USD	2 Qtrs
Gas Stored Underground and Materials and Supplies	`IncreaseDecreaseInInventories`	$-28.00M	USD	2 Qtrs
Gas Stored Underground and Materials and Supplies	`IncreaseDecreaseInInventories`	$-24.48M	USD	2 Qtrs
Unrecovered Purchased Gas Costs	`IncreaseDecreaseInDeferredGasCost`	$-4.20M	USD	2 Qtrs
Unrecovered Purchased Gas Costs	`IncreaseDecreaseInDeferredGasCost`	$2.24M	USD	2 Qtrs
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$8.82M	USD	2 Qtrs
Other Current Assets	`IncreaseDecreaseInOtherCurrentAssets`	$-7.77M	USD	2 Qtrs
Accounts Payable	`IncreaseDecreaseInAccountsPayableTrade`	$14.00M	USD	2 Qtrs
Accounts Payable	`IncreaseDecreaseInAccountsPayableTrade`	$10.84M	USD	2 Qtrs
Amounts Payable to Customers	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-71.00K	USD	2 Qtrs
Amounts Payable to Customers	`IncreaseDecreaseInRegulatoryClauseRevenue`	$12.08M	USD	2 Qtrs
Customer Advances	`IncreaseDecreaseInCustomerAdvances`	$-15.55M	USD	2 Qtrs
Customer Advances	`IncreaseDecreaseInCustomerAdvances`	$-14.46M	USD	2 Qtrs
Customer Security Deposits	`IncreaseDecreaseInCustomerDeposits`	$1.49M	USD	2 Qtrs
Customer Security Deposits	`IncreaseDecreaseInCustomerDeposits`	$-1.40M	USD	2 Qtrs
Other Accruals and Current Liabilities	`IncreaseDecreaseInAccruedLiabilities`	$37.65M	USD	2 Qtrs
Other Accruals and Current Liabilities	`IncreaseDecreaseInAccruedLiabilities`	$44.69M	USD	2 Qtrs
Other Assets	`IncreaseDecreaseInOtherOperatingAssets`	$9.54M	USD	2 Qtrs
Other Assets	`IncreaseDecreaseInOtherOperatingAssets`	$32.00K	USD	2 Qtrs
Other Liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$202.00K	USD	2 Qtrs
Other Liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-5.77M	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$286.77M	USD	2 Qtrs
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$351.89M	USD	2 Qtrs
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$261.72M	USD	2 Qtrs
Capital Expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$208.23M	USD	2 Qtrs
Net Proceeds from Sale of Oil and Gas Producing Properties	`ProceedsFromSaleOfOilAndGasPropertyAndEquipment`	$26.55M	USD	2 Qtrs
Net Proceeds from Sale of Oil and Gas Producing Properties	`ProceedsFromSaleOfOilAndGasPropertyAndEquipment`	$17.31M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-5.36M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.23M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-239.06M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-184.90M	USD	2 Qtrs
Reduction of Long-Term Debt	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Reduction of Long-Term Debt	`RepaymentsOfLongTermDebt`	$307.05M	USD	2 Qtrs
Dividends Paid on Common Stock	`PaymentsOfDividendsCommonStock`	$69.02M	USD	2 Qtrs
Dividends Paid on Common Stock	`PaymentsOfDividendsCommonStock`	$71.09M	USD	2 Qtrs
Net Proceeds from Issuance of Common Stock	`ProceedsFromRepurchaseOfEquity`	$3.23M	USD	2 Qtrs
Net Proceeds from Issuance of Common Stock	`ProceedsFromRepurchaseOfEquity`	$2.89M	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-65.79M	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-375.25M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Temporary Cash Investments	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-327.54M	USD	2 Qtrs
Net Increase (Decrease) in Cash and Temporary Cash Investments	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$101.20M	USD	2 Qtrs
Cash and Temporary Cash Investments at October 1	`CashAndCashEquivalentsAtCarryingValue`	$555.53M	USD	Point-in-time
Cash and Temporary Cash Investments at October 1	`CashAndCashEquivalentsAtCarryingValue`	$227.99M	USD	Point-in-time
Cash and Temporary Cash Investments at October 1	`CashAndCashEquivalentsAtCarryingValue`	$231.17M	USD	Point-in-time
Cash and Temporary Cash Investments at October 1	`CashAndCashEquivalentsAtCarryingValue`	$129.97M	USD	Point-in-time
Cash and Temporary Cash Investments at March 31	`CashAndCashEquivalentsAtCarryingValue`	$555.53M	USD	Point-in-time
Cash and Temporary Cash Investments at March 31	`CashAndCashEquivalentsAtCarryingValue`	$227.99M	USD	Point-in-time
Cash and Temporary Cash Investments at March 31	`CashAndCashEquivalentsAtCarryingValue`	$231.17M	USD	Point-in-time
Cash and Temporary Cash Investments at March 31	`CashAndCashEquivalentsAtCarryingValue`	$129.97M	USD	Point-in-time
Non-Cash Capital Expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$36.93M	USD	2 Qtrs
Non-Cash Capital Expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$51.94M	USD	2 Qtrs

Comprehensive Income 52 line items

Line Item	Tag	Value	Unit	Period
Net Income Available for Common Stock	`NetIncomeLoss`	$178.19M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$91.85M	USD	1 Quarter
Net Income Available for Common Stock	`NetIncomeLoss`	$290.50M	USD	2 Qtrs
Net Income Available for Common Stock	`NetIncomeLoss`	$89.28M	USD	1 Quarter
Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-722.00K	USD	2 Qtrs
Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.73M	USD	1 Quarter
Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-678.00K	USD	1 Quarter
Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$843.00K	USD	2 Qtrs
Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-8.40M	USD	2 Qtrs
Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$44.10M	USD	1 Quarter
Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-12.58M	USD	1 Quarter
Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-18.08M	USD	2 Qtrs
Reclassification Adjustment for Realized (Gains) Losses on Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Reclassification Adjustment for Realized (Gains) Losses on Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Reclassification Adjustment for Realized (Gains) Losses on Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$741.00K	USD	2 Qtrs
Reclassification Adjustment for Realized (Gains) Losses on Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$430.00K	USD	2 Qtrs
Reclassification Adjustment for Realized (Gains) Losses on Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$9.35M	USD	2 Qtrs
Reclassification Adjustment for Realized (Gains) Losses on Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$10.47M	USD	1 Quarter
Reclassification Adjustment for Realized (Gains) Losses on Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$41.19M	USD	2 Qtrs
Reclassification Adjustment for Realized (Gains) Losses on Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-3.20M	USD	1 Quarter
Other Comprehensive Income (Loss), Before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-49.49M	USD	2 Qtrs
Other Comprehensive Income (Loss), Before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-10.06M	USD	1 Quarter
Other Comprehensive Income (Loss), Before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$35.35M	USD	1 Quarter
Other Comprehensive Income (Loss), Before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-28.58M	USD	2 Qtrs
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$300.00K	USD	2 Qtrs
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-317.00K	USD	2 Qtrs
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-252.00K	USD	1 Quarter
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Securities Available for Sale Arising During the Period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$645.00K	USD	1 Quarter
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$18.35M	USD	1 Quarter
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-3.52M	USD	1 Quarter
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-5.82M	USD	2 Qtrs
Income Tax Expense (Benefit) Related to Unrealized Gain (Loss) on Derivative Financial Instruments Arising During the Period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-3.70M	USD	2 Qtrs
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$272.00K	USD	2 Qtrs
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$158.00K	USD	2 Qtrs
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	-	USD	1 Quarter
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Securities Available for Sale in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	-	USD	1 Quarter
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$4.41M	USD	1 Quarter
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$17.37M	USD	2 Qtrs
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-551.00K	USD	1 Quarter
Reclassification Adjustment for Income Tax Benefit (Expense) on Realized Losses (Gains) from Derivative Financial Instruments in Net Income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$4.65M	USD	2 Qtrs
Income Taxes Net	`OtherComprehensiveIncomeLossTax`	$-21.04M	USD	2 Qtrs
Income Taxes Net	`OtherComprehensiveIncomeLossTax`	$-10.95M	USD	2 Qtrs
Income Taxes Net	`OtherComprehensiveIncomeLossTax`	$-3.22M	USD	1 Quarter
Income Taxes Net	`OtherComprehensiveIncomeLossTax`	$14.58M	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-28.45M	USD	2 Qtrs
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$20.77M	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-6.84M	USD	1 Quarter
Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-17.64M	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$272.86M	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.01M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$110.05M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$149.74M	USD	2 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.