10-Q Filing

PINNACLE WEST CAPITAL CORP CIK: 764622 Q2 2018

Filing Information

Form Type	10-Q
Accession Number	`0000764622-18-000052`
Period End Date	20180630
Filing Date	20180803
Fiscal Year	2018
Fiscal Period	Q2
XBRL Instance	pnw-20180630.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 139 Income Statement 104 Cash Flow Statement 100 Stockholders Equity 33 Comprehensive Income 44

Balance Sheet 139 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, authorized shares (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, authorized shares (in shares)	`CommonStockSharesAuthorized`	150.00M	shares	Point-in-time
Common stock, issued shares (in shares)	`CommonStockSharesIssued`	111.99M	shares	Point-in-time
Common stock, issued shares (in shares)	`CommonStockSharesIssued`	111.82M	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	64,463.00	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	17,633.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.89M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.84M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$305.15M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$321.05M	USD	Point-in-time
Accrued unbilled revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$112.43M	USD	Point-in-time
Accrued unbilled revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$207.89M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.77M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.51M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$263.37M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$264.01M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$25.26M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$47.59M	USD	Point-in-time
Assets from risk management activities (Note 7)	`DerivativeInstrumentsAndHedges`	$1.93M	USD	Point-in-time
Assets from risk management activities (Note 7)	`DerivativeInstrumentsAndHedges`	$3.32M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$75.64M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$74.90M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$172.45M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$154.66M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$45.87M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$48.04M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.12B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.02B	USD	Point-in-time
Nuclear decommissioning trust (Note 12)	`DecommissioningTrustAssetsAmount`	$873.64M	USD	Point-in-time
Nuclear decommissioning trust (Note 12)	`DecommissioningTrustAssetsAmount`	$871.00M	USD	Point-in-time
Other special use funds (Note 12)	`CoalReclamationandUnionTrust`	$32.54M	USD	Point-in-time
Other special use funds (Note 12)	`CoalReclamationandUnionTrust`	$216.34M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$52.04M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$59.14M	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.15B	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$955.58M	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$17.80B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$18.33B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.13B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.25B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$11.67B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$12.08B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.29B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.14B	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	`VariableInterestEntityConsolidatedCarryingAmountAssets`	$109.64M	USD	Point-in-time
Palo Verde sale leaseback, net of accumulated depreciation (Note 6)	`VariableInterestEntityConsolidatedCarryingAmountAssets`	$107.71M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$257.04M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$257.19M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$119.26M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$117.41M	USD	Point-in-time
Assets held for sale (Note 8)	`AssetsHeldForSaleNotPartOfDisposalGroup`	-	USD	Point-in-time
Assets held for sale (Note 8)	`AssetsHeldForSaleNotPartOfDisposalGroup`	$95.36M	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$13.80B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$13.45B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.23B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.20B	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$47.62M	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$268.98M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$130.67M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$140.88M	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.60B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.42B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$17.02B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$17.49B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$256.44M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$260.29M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$148.95M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$156.36M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$56.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$56.25M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$77.82M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$77.67M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$95.40M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$616.25M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$600.00M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$82.00M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$89.68M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$70.39M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$49.10M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$59.25M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$9.18M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$4.75M	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$100.09M	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$156.76M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$246.53M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$167.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$2.24B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.20B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.69B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.73B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.39B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.45B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$677.34M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$674.78M	USD	Point-in-time
Liabilities for pension benefits (Note 5)	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$319.60M	USD	Point-in-time
Liabilities for pension benefits (Note 5)	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$327.30M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeLiabilitiesNoncurrent`	$37.17M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeLiabilitiesNoncurrent`	$46.35M	USD	Point-in-time
Customer advances	`CustomerAdvancesForConstruction`	$114.00M	USD	Point-in-time
Customer advances	`CustomerAdvancesForConstruction`	$118.46M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$213.14M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$231.60M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$205.57M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$202.80M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$13.12M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$13.42M	USD	Point-in-time
Liabilities held for sale (Note 8)	`LiabilitiesHeldforsaleNotPartofDisposalGroup`	-	USD	Point-in-time
Liabilities held for sale (Note 8)	`LiabilitiesHeldforsaleNotPartofDisposalGroup`	$26.46M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$148.91M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$168.07M	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$5.90B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$5.90B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (SEE NOTE 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (SEE NOTE 8)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock, no par value; authorized 150,000,000 shares, 111,990,222 and 111,816,170 issued at respective dates	`CommonStockValue`	$2.62B	USD	Point-in-time
Common stock, no par value; authorized 150,000,000 shares, 111,990,222 and 111,816,170 issued at respective dates	`CommonStockValue`	$2.61B	USD	Point-in-time
Treasury stock at cost; 17,633 and 64,463 shares at respective dates	`TreasuryStockValue`	$5.62M	USD	Point-in-time
Treasury stock at cost; 17,633 and 64,463 shares at respective dates	`TreasuryStockValue`	$1.43M	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.62B	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.61B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.44B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.47B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-56.62M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.01B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.03B	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$127.42M	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$129.04M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-42.86M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.99B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.19B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.79B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$17.02B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$17.49B	USD	Point-in-time

Income Statement 104 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.67B	USD	2 Qtrs
OPERATING REVENUES	`Revenues`	$974.12M	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$944.59M	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.62B	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$254.61M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$467.01M	USD	2 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$257.09M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$454.20M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$447.06M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$268.40M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$534.08M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$220.99M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$145.44M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$125.74M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$253.37M	USD	2 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$290.26M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$53.61M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$107.21M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$88.12M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.29M	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$1.71M	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$7.60M	USD	2 Qtrs
Other expenses	`OtherCostAndExpenseOperating`	$7.43M	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$2.09M	USD	2 Qtrs
Total	`CostsAndExpenses`	$647.33M	USD	1 Quarter
Total	`CostsAndExpenses`	$1.39B	USD	2 Qtrs
Total	`CostsAndExpenses`	$1.26B	USD	2 Qtrs
Total	`CostsAndExpenses`	$731.96M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$242.16M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$273.50M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$297.26M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$364.67M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$27.15M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$13.07M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$10.46M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.94M	USD	2 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-13.07M	USD	2 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-24.86M	USD	2 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-12.01M	USD	1 Quarter
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-6.97M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$10.58M	USD	2 Qtrs
Other income (Note 9)	`OtherNonoperatingIncome`	$6.60M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$484.00K	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$964.00K	USD	2 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$3.77M	USD	1 Quarter
Other expense (Note 9)	`OtherNonoperatingExpense`	$3.82M	USD	1 Quarter
Other expense (Note 9)	`OtherNonoperatingExpense`	$7.00M	USD	2 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$7.50M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$14.09M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$27.91M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$26.47M	USD	2 Qtrs
Total	`NonoperatingIncomeExpense`	$55.60M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$60.71M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$119.66M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$106.83M	USD	2 Qtrs
Interest charges	`InterestCostsIncurred`	$54.97M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$9.38M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.91M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.29M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$13.05M	USD	2 Qtrs
Total	`InterestExpense`	$50.06M	USD	1 Quarter
Total	`InterestExpense`	$54.42M	USD	1 Quarter
Total	`InterestExpense`	$106.62M	USD	2 Qtrs
Total	`InterestExpense`	$97.45M	USD	2 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$215.65M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$261.28M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$293.68M	USD	2 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$222.48M	USD	2 Qtrs
INCOME TAXES	`IncomeTaxExpenseBenefit`	$42.77M	USD	2 Qtrs
INCOME TAXES	`IncomeTaxExpenseBenefit`	$88.97M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$93.18M	USD	2 Qtrs
INCOME TAXES	`IncomeTaxExpenseBenefit`	$44.04M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$171.61M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$200.50M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$172.32M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$179.71M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.75M	USD	2 Qtrs
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Net income attributable to noncontrolling interests (Note 6)	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.75M	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$167.44M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$169.96M	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$190.75M	USD	2 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$166.74M	USD	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.11M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.07M	shares	2 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	111.80M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	111.76M	shares	2 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.48M	shares	2 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.34M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.47M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.27M	shares	2 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$1.52	USD	2 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$1.50	USD	1 Quarter
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$1.71	USD	2 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$1.49	USD	1 Quarter
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.51	USD	2 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.70	USD	2 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.48	USD	1 Quarter
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.49	USD	1 Quarter
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.31	USD	2 Qtrs
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.31	USD	1 Quarter
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.39	USD	2 Qtrs
DIVIDENDS DECLARED PER SHARE (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.39	USD	1 Quarter

Cash Flow Statement 100 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$171.61M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$200.50M	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$172.32M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$179.71M	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$291.29M	USD	2 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$325.55M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-21.99M	USD	2 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-50.11M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$50.85M	USD	2 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$-13.66M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$27.15M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$13.07M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$10.46M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$19.94M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$33.71M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$94.36M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$2.78M	USD	2 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$3.19M	USD	2 Qtrs
Change in derivative instruments fair value	`UnrealizedGainLossOnDerivatives`	$222.00K	USD	2 Qtrs
Change in derivative instruments fair value	`UnrealizedGainLossOnDerivatives`	-	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$12.89M	USD	2 Qtrs
Stock compensation	`ShareBasedCompensation`	$13.19M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$62.62M	USD	2 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$18.67M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$95.45M	USD	2 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$105.75M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$22.97M	USD	2 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$5.44M	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$322.00K	USD	2 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$-11.07M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$23.42M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$21.77M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$36.61M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$8.14M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$11.74M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-44.78M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$9.41M	USD	2 Qtrs
Change in margin and collateral accounts assets	`IncreaseDecreaseInDepositOtherAssets`	$71.00K	USD	2 Qtrs
Change in margin and collateral accounts assets	`IncreaseDecreaseInDepositOtherAssets`	$920.00K	USD	2 Qtrs
Change in margin and collateral accounts liabilities	`ChangeInMarginAndCollateralAccountsLiabilities`	$-1.08M	USD	2 Qtrs
Change in margin and collateral accounts liabilities	`ChangeInMarginAndCollateralAccountsLiabilities`	$-4.70M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$49.16M	USD	2 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$-24.85M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$13.28M	USD	2 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-78.15M	USD	2 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$395.80M	USD	2 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$290.56M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$693.63M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$679.95M	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$19.34M	USD	2 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$18.03M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-9.38M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-13.05M	USD	2 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$275.36M	USD	2 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$258.40M	USD	2 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$259.54M	USD	2 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$276.50M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$4.30M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$2.13M	USD	2 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-679.10M	USD	2 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-688.24M	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$251.63M	USD	2 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$287.80M	USD	2 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$500.85M	USD	2 Qtrs
Short-term debt borrowings under revolving credit facility	`ProceedsFromLinesOfCredit`	$17.00M	USD	2 Qtrs
Short-term debt borrowings under revolving credit facility	`ProceedsFromLinesOfCredit`	$45.00M	USD	2 Qtrs
Short-term debt repayments under revolving credit facility	`RepaymentsOfLinesOfCredit`	-	USD	2 Qtrs
Short-term debt repayments under revolving credit facility	`RepaymentsOfLinesOfCredit`	$25.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$82.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$142.52M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$151.94M	USD	2 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-8.79M	USD	2 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-2.29M	USD	2 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	2 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.00K	USD	2 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$273.24M	USD	2 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$393.75M	USD	2 Qtrs
NET DECREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-10.05M	USD	2 Qtrs
NET DECREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-3.93M	USD	2 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.95M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.88M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.95M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.84M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.88M	USD	Point-in-time
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$10.03M	USD	2 Qtrs
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$2.06M	USD	2 Qtrs
Interest, net of amounts capitalized	`InterestPaidNet`	$104.25M	USD	2 Qtrs
Interest, net of amounts capitalized	`InterestPaidNet`	$94.87M	USD	2 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$80.52M	USD	2 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$66.00M	USD	2 Qtrs
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$73.11M	USD	Point-in-time
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$77.82M	USD	Point-in-time

Stockholders Equity 33 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesIssued`	111.99M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	111.82M	shares	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-42.86M	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.99B	USD	Point-in-time
Net income	`ProfitLoss`	$171.61M	USD	1 Quarter
Net income	`ProfitLoss`	$200.50M	USD	2 Qtrs
Net income	`ProfitLoss`	$172.32M	USD	1 Quarter
Net income	`ProfitLoss`	$179.71M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-3.07M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$196.00K	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-763.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-4.28M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStock`	$146.20M	USD	2 Qtrs
Dividends on common stock	`DividendsCommonStock`	$155.62M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$9.87M	USD	2 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$8.45M	USD	2 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$6.28M	USD	2 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$12.43M	USD	2 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$10.47M	USD	2 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$15.02M	USD	2 Qtrs
Reclassification of income tax effects related to new tax reform (See Note 13)	`TaxCutsAndJobsActOf2017ReclassificationFromAOCIToRetainedEarningsTaxEffect`	$-8.55M	USD	2 Qtrs
Net capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	2 Qtrs
Net capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	2 Qtrs
Ending balance (in shares)	`CommonStockSharesIssued`	111.99M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	111.82M	shares	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.16B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-42.86M	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.99B	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	-	USD	1 Quarter
NET INCOME	`ProfitLoss`	$171.61M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$200.50M	USD	2 Qtrs
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$4.00K	USD	1 Quarter
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$679.00K	USD	2 Qtrs
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$96.00K	USD	2 Qtrs
NET INCOME	`ProfitLoss`	$172.32M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$179.71M	USD	2 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$232.00K	USD	2 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-8.00K	USD	2 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$348.00K	USD	1 Quarter
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$150.00K	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$1.11M	USD	2 Qtrs
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$1.56M	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$823.00K	USD	1 Quarter
Pension and other postretirement benefits activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$119.00K	USD	2 Qtrs
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-96.00K	USD	2 Qtrs
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$7.00K	USD	1 Quarter
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-763.00K	USD	2 Qtrs
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-564.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-456.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-865.00K	USD	2 Qtrs
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.77M	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.33M	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$812.00K	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.84M	USD	2 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.74M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-3.07M	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$196.00K	USD	2 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-763.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-4.28M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$200.70M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$176.64M	USD	2 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$171.55M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$167.33M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.75M	USD	2 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$9.75M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$162.46M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$166.89M	USD	2 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$166.68M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$190.95M	USD	2 Qtrs

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