Consolidated Balance Sheets (Parentheticals)Consolidated Balance Sheets (Parentheticals)Operations and maintenanceGenerally recurring costs, including, corporate overhead and other operating costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or servicesDeferred Credits And Other LiabilitiesDeferred credits and other liabilities:Total Deferred Credits And Other LiabilitiesTotal deferred credits and other liabilities, excluding long-term debtTotal deferred credits and other liabilitiesSettlement of interest rate hedgeGain or loss realized on settlement of interest rate hedgeCommon Stock Issued NetNet payments and proceeds received from all common stock transactionsCommon stock issued - netDisclosure Summary of Significant Accounting PoliciesDisclosure Segment InformationDisclosure Capital StockDisclosure - Stock Based CompensationDisclosure - Cost and Fair Value Basis of Long-Term DebtDisclosure - Pension and Other Postretirement BenefitsDisclosure - Comprehensive IncomeDisclosure - Derivative InstrumentsDisclosure - Commitments and ContingenciesDisclosure - Subsequent EventsDisclosure Income TaxDisclosure - Property and InvestmentsProperty and InvestmentsDisclosure of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale, and disclosure of all other long-term investmentsAccrued unbilled revenueAccumulated other comprehensive income (loss)Less accumulated depreciationDeferred gas savings - netAllowance for uncollectible accountsAllowance for uncollectible accountsConsolidated Balance Sheets (Unaudited)Basic epsBasicCash and cash equivalentsCash and cash equivalents - end of periodCash and cash equivalents - beginning of periodInterest paidDeferred environmental costsAccrued taxesIncome taxes receivable - cfIncome taxes receivableAccrued interestInventoriesChange in short-term debtChanges in assets and liabilities:Accounts payableAccounts payable - cfCommitments and ContingenciesCommon Stock Shares AuthorizedCommon Stock Shares OutstandingCommon stock - no par value; 100,000 shares authorized; 26,576, 26,513 and 26,533 shares outstanding at June 30, 2010 and 2009 and December 31, 2009, respectivelyComprehensive IncomeLess: Cost of salesTotal current liabilitiesTotal current liabilitiesCurrent liabilities:Deferred tax liabilitiesDepreciation and amortizationDerivative assetsDerivative assets ncDerivative assetsDerivative InstrumentsDerivative liabiltiesDerivative liabilities ncDerivative liabilitiesDiluted epsDilutedUndistributed earnings from equity investmentsRevenue taxesNet operating revenuesNet operating revenuesConsolidated Statements of Income (Unaudited)Income TaxIncome tax receivableRestricted cash - cfRestricted cashInterest expense - netGasInventories:Total capitalization and liabilitiesTotal capitalization and liabilitiesCapitalization and liabilitiesCurrent maturities of long-term debtLong-term debtCash provided by (used in) financing activitiesCash provided by (used in) financing activitiesFinancing activities:Cash used in investing activitiesCash used in investing activitiesInvesting activities:Cash provided by operating activitiesCash provided by operating activitiesOperating activities:Net income(loss)Net income(loss)Increase (decrease) in cash and cash equivalentsIncrease (decrease) in cash and cash equivalentsTotal non-current assetsTotal non-current assetsNon-current assets:Income (loss) from operationsIncome (loss) from operationsGross operating revenuesOperating revenues:Other current assetsMaterials and suppliesOtherOtherOther investmentsOther - faOtherOther income and expense - netOther noncashCash dividend payments on common stockCash dividend payments on common stockContributions to qualified defined benefit pension plansNon-cash expenses related to qualified defined benefit pension plansPension and Other Postretirement BenefitsLong-term debt issuedProperty, plant and equipmentProperty, plant and equipment - netProperty, plant and equipment - netCapital ExpendituresCapital ExpendituresRegulatory assetsRegulatory assets ncRegulatory assetsRegulatory liabilitiesRegulatory liabilities ncRegulatory liabilitiesLong-term debt retiredLong-term debt retiredRestricted cashRetained earningsStock Based CompensationSubsequent EventsSegment InformationShort-term debtSummary of Significant Accounting PoliciesConsolidated Statement of Cash Flows (Unaudited)Supplemental disclosure of cash flow information:Income taxes paidTotal current assetsTotal current assetsCurrent assets:Accounts receivableDilutedBasicRestricted cash ncRestricted cashTotal assetsTotal assetsOther current liabilitiesOther non-current liabilitiesDividends per share of common stockAssets:Other non-current assetsOperating expenses:Total operating expensesTotal operating expensesEarnings (loss) per share of common stock:Other - netIncome (loss) before income taxesIncome (loss) before income taxesDeferred tax liabilities - cfDeferred tax liabilitiesTotal stockholders' equityTotal stockholders' equityIncome tax expense (benefit)Gain on sale of investmentsReceivablesCost and Fair Value Basis of Long-Term DebtAverage common shares outstanding:General taxesCapital StockCommitments and contingencies (see Note 11)Adjustments to reconcile net income to cash provided by operations:Capitalization:Total capitalizationTotal capitalizationAccounts payableInterest accruedTaxes accruedPension and other postretirement benefit liabilitiesAmendment descriptionAmendment flagCurrent fiscal year end dateDocument and Entity InformationDocument period end dateEntity well known seasoned issuerEntity voluntary filersEntity current reporting statusEntity filer categoryEntity public floatEntity registrant nameEntity central index keyEntity common stock shares outstandingDocument Fiscal Year FocusDocument Fiscal Period FocusDocument Type