10-Q Filing

PINNACLE WEST CAPITAL CORP CIK: 764622 Q3 2018

Filing Information

Form Type	10-Q
Accession Number	`0000764622-18-000073`
Period End Date	20180930
Filing Date	20181108
Fiscal Year	2018
Fiscal Period	Q3
XBRL Instance	pnw-9301810q_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 135 Income Statement 100 Cash Flow Statement 100 Stockholders Equity 36 Comprehensive Income 44

Balance Sheet 135 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`	111.82M	shares	Point-in-time
Common stock, issued shares (in shares)	`CommonStockSharesIssued`	112.02M	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	17,368.00	shares	Point-in-time
Treasury stock at cost, shares (in shares)	`TreasuryStockShares`	64,463.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$13.89M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$64.99M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$305.15M	USD	Point-in-time
Customer and other receivables	`AccountsReceivableGrossCurrent`	$370.71M	USD	Point-in-time
Accrued unbilled revenues	`ContractWithCustomerAssetNetCurrent`	$196.37M	USD	Point-in-time
Accrued unbilled revenues	`ContractWithCustomerAssetNetCurrent`	$112.43M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.21M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.51M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$264.01M	USD	Point-in-time
Materials and supplies (at average cost)	`OtherInventorySupplies`	$268.18M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$25.26M	USD	Point-in-time
Fossil fuel (at average cost)	`EnergyRelatedInventoryOtherFossilFuel`	$40.40M	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`	$1.22M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$65.73M	USD	Point-in-time
Deferred fuel and purchased power regulatory asset (Note 4)	`DeferredFuelAndPurchasedPowerRegulatoryAssetCurrent`	$75.64M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$143.85M	USD	Point-in-time
Other regulatory assets (Note 4)	`RegulatoryAssetsCurrent`	$172.45M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$48.04M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$60.95M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.02B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.21B	USD	Point-in-time
Nuclear decommissioning trust (Note 12)	`DecommissioningTrustAssetsAmount`	$871.00M	USD	Point-in-time
Nuclear decommissioning trust (Note 12)	`DecommissioningTrustAssetsAmount`	$906.69M	USD	Point-in-time
Other special use funds (Note 12)	`CoalReclamationandUnionTrust`	$32.54M	USD	Point-in-time
Other special use funds (Note 12)	`CoalReclamationandUnionTrust`	$233.74M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$106.99M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$52.04M	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$955.58M	USD	Point-in-time
Total investments and other assets	`TotalInvestmentsAndOtherAssets`	$1.25B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$18.44B	USD	Point-in-time
Plant in service and held for future use	`PropertyPlantAndEquipmentGross`	$17.80B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.13B	USD	Point-in-time
Accumulated depreciation and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$6.33B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$11.67B	USD	Point-in-time
Net	`PropertyPlantAndEquipmentNet`	$12.12B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.29B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$1.20B	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`	$106.74M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$257.19M	USD	Point-in-time
Intangible assets, net of accumulated amortization	`IntangibleAssetsNetExcludingGoodwill`	$268.63M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$117.41M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$134.81M	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$13.45B	USD	Point-in-time
Total property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$13.83B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.20B	USD	Point-in-time
Regulatory assets (Note 4)	`RegulatoryAssetsNoncurrent`	$1.22B	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$268.98M	USD	Point-in-time
Assets for other postretirement benefits (Note 5)	`DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent`	$29.09M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$130.67M	USD	Point-in-time
Other	`OtherDeferredCostsNet`	$140.92M	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.39B	USD	Point-in-time
Total deferred debits	`TotalDeferredDebits`	$1.60B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$17.02B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$17.67B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$256.44M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$249.06M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$226.85M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$148.95M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$56.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$53.02M	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	-	USD	Point-in-time
Common dividends payable	`DividendsPayableCurrent`	$77.67M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$128.20M	USD	Point-in-time
Short-term borrowings (Note 3)	`ShortTermBorrowings`	$95.40M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$82.00M	USD	Point-in-time
Current maturities of long-term debt (Note 3)	`OtherLongTermDebtCurrent`	$600.00M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$70.39M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$89.92M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$59.25M	USD	Point-in-time
Liabilities from risk management activities (Note 7)	`DerivativeInstrumentsAndHedgesLiabilities`	$45.50M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$4.75M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationCurrent`	$13.00M	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$100.09M	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityCurrent`	$159.79M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$169.45M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$246.53M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.73B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.20B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.81B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.69B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.41B	USD	Point-in-time
Regulatory liabilities (Note 4)	`RegulatoryLiabilityNoncurrent`	$2.45B	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$682.39M	USD	Point-in-time
Liabilities for asset retirements	`AssetRetirementObligationsNoncurrent`	$674.78M	USD	Point-in-time
Liabilities for pension benefits (Note 5)	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$316.42M	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`	$34.23M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$114.00M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityNoncurrent`	$125.27M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$231.60M	USD	Point-in-time
Coal mine reclamation	`MineReclamationAndClosingLiabilityNoncurrent`	$210.03M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$198.18M	USD	Point-in-time
Deferred investment tax credit	`AccumulatedDeferredInvestmentTaxCredit`	$205.57M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$11.90M	USD	Point-in-time
Unrecognized tax benefits	`LiabilityForUncertainTaxPositionsNoncurrent`	$13.12M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$148.91M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$161.46M	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$5.90B	USD	Point-in-time
Total deferred credits and other	`DeferredCreditsAndOtherLiabilities`	$5.96B	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, 112,015,949 and 111,816,170 issued at respective dates	`CommonStockValue`	$2.61B	USD	Point-in-time
Common stock, no par value; authorized 150,000,000 shares, 112,015,949 and 111,816,170 issued at respective dates	`CommonStockValue`	$2.63B	USD	Point-in-time
Treasury stock at cost; 17,368 and 64,463 shares at respective dates	`TreasuryStockValue`	$5.62M	USD	Point-in-time
Treasury stock at cost; 17,368 and 64,463 shares at respective dates	`TreasuryStockValue`	$1.41M	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.61B	USD	Point-in-time
Total common stock	`CommonStockValueOutstanding`	$2.63B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.78B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.44B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-55.07M	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.35B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.01B	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$132.29M	USD	Point-in-time
Noncontrolling interests (Note 6)	`MinorityInterest`	$129.04M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.28B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-43.63M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.49B	USD	Point-in-time
Long-term debt less current maturities (Note 3)	`LongTermDebtNoncurrent`	$4.79B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$17.67B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$17.02B	USD	Point-in-time

Income Statement 100 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.18B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$2.81B	USD	3 Qtrs
OPERATING REVENUES	`Revenues`	$2.93B	USD	3 Qtrs
OPERATING REVENUES	`Revenues`	$1.27B	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$310.47M	USD	1 Quarter
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$777.48M	USD	3 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$844.13M	USD	3 Qtrs
Fuel and purchased power	`CostOfGoodsAndServicesSold`	$389.94M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$246.54M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$230.84M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$677.89M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$780.62M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$145.97M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$133.91M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$436.23M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$387.28M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$133.29M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$51.38M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$158.58M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$45.17M	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$3.38M	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$900.00K	USD	1 Quarter
Other expenses	`OtherCostAndExpenseOperating`	$5.48M	USD	3 Qtrs
Other expenses	`OtherCostAndExpenseOperating`	$8.50M	USD	3 Qtrs
Total	`CostsAndExpenses`	$2.23B	USD	3 Qtrs
Total	`CostsAndExpenses`	$723.77M	USD	1 Quarter
Total	`CostsAndExpenses`	$834.73M	USD	1 Quarter
Total	`CostsAndExpenses`	$1.98B	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$459.55M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$433.31M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$706.80M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$824.22M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$32.67M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.26M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.73M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$39.41M	USD	3 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-19.60M	USD	3 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-6.53M	USD	1 Quarter
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-37.31M	USD	3 Qtrs
Pension and other postretirement non-service credits - net	`PensionAndOtherPostretirementBenefitExpense`	$-12.45M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$1.09M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$6.96M	USD	1 Quarter
Other income (Note 9)	`OtherNonoperatingIncome`	$2.06M	USD	3 Qtrs
Other income (Note 9)	`OtherNonoperatingIncome`	$17.54M	USD	3 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$12.06M	USD	3 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$12.49M	USD	3 Qtrs
Other expense (Note 9)	`OtherNonoperatingExpense`	$5.06M	USD	1 Quarter
Other expense (Note 9)	`OtherNonoperatingExpense`	$4.99M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$41.83M	USD	3 Qtrs
Total	`NonoperatingIncomeExpense`	$26.60M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$15.36M	USD	1 Quarter
Total	`NonoperatingIncomeExpense`	$82.20M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$162.48M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$61.60M	USD	1 Quarter
Interest charges	`InterestCostsIncurred`	$181.27M	USD	3 Qtrs
Interest charges	`InterestCostsIncurred`	$55.64M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$18.96M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.00M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.91M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$15.38M	USD	3 Qtrs
Total	`InterestExpense`	$55.69M	USD	1 Quarter
Total	`InterestExpense`	$147.10M	USD	3 Qtrs
Total	`InterestExpense`	$49.64M	USD	1 Quarter
Total	`InterestExpense`	$162.31M	USD	3 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$718.94M	USD	3 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$626.70M	USD	3 Qtrs
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$404.22M	USD	1 Quarter
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$425.26M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$144.32M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$84.33M	USD	1 Quarter
INCOME TAXES	`IncomeTaxExpenseBenefit`	$127.11M	USD	3 Qtrs
INCOME TAXES	`IncomeTaxExpenseBenefit`	$237.50M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$280.94M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$481.45M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 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`	$14.62M	USD	3 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`	$14.62M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$276.07M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$466.83M	USD	3 Qtrs
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$315.01M	USD	1 Quarter
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`NetIncomeLossAvailableToCommonStockholdersBasic`	$484.97M	USD	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.15M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	111.79M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	111.83M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	112.09M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.53M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.50M	shares	3 Qtrs
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.40M	shares	1 Quarter
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	112.31M	shares	3 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$2.47	USD	1 Quarter
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$4.18	USD	3 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$4.33	USD	3 Qtrs
Net income attributable to common shareholders - basic (in dollars per share)	`EarningsPerShareBasic`	$2.81	USD	1 Quarter
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.16	USD	3 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.31	USD	3 Qtrs
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.80	USD	1 Quarter
Net income attributable to common shareholders - diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.46	USD	1 Quarter

Cash Flow Statement 100 line items

Line Item	Tag	Value	Unit	Period
NET INCOME	`ProfitLoss`	$280.94M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$481.45M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$489.86M	USD	3 Qtrs
Depreciation and amortization including nuclear fuel	`DepreciationDepletionAndAmortization`	$445.71M	USD	3 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-82.49M	USD	3 Qtrs
Deferred fuel and purchased power	`IncreaseDecreaseInRegulatoryClauseRevenue`	$-43.35M	USD	3 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$92.40M	USD	3 Qtrs
Deferred fuel and purchased power amortization	`IncreaseDecreaseDeferredFuelAndPurchasedPowerAmortization`	$-18.15M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$32.67M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.26M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$12.73M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$39.41M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$211.25M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$117.57M	USD	3 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$4.29M	USD	3 Qtrs
Deferred investment tax credit	`DeferredInvestmentTaxCredit`	$7.40M	USD	3 Qtrs
Change in derivative instruments fair value	`UnrealizedGainLossOnDerivatives`	-	USD	3 Qtrs
Change in derivative instruments fair value	`UnrealizedGainLossOnDerivatives`	$254.00K	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$16.14M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$16.55M	USD	3 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$206.92M	USD	3 Qtrs
Customer and other receivables	`IncreaseDecreaseInReceivables`	$65.20M	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$83.94M	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInContractWithCustomerAsset`	$44.03M	USD	3 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$20.59M	USD	3 Qtrs
Materials, supplies and fossil fuel	`IncreaseDecreaseInInventories`	$1.88M	USD	3 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-3.75M	USD	3 Qtrs
Income tax receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	-	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$22.04M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidExpense`	$-23.66M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-11.40M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-24.26M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$89.83M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$78.62M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$3.94M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$12.85M	USD	3 Qtrs
Change in margin and collateral accounts assets	`IncreaseDecreaseInDepositOtherAssets`	$1.83M	USD	3 Qtrs
Change in margin and collateral accounts assets	`IncreaseDecreaseInDepositOtherAssets`	$588.00K	USD	3 Qtrs
Change in margin and collateral accounts liabilities	`ChangeInMarginAndCollateralAccountsLiabilities`	$-982.00K	USD	3 Qtrs
Change in margin and collateral accounts liabilities	`ChangeInMarginAndCollateralAccountsLiabilities`	$-1.62M	USD	3 Qtrs
Change in unrecognized tax benefits	`UnrecognizedTaxBenefitsPeriodIncreaseDecrease`	$-1.24M	USD	3 Qtrs
Change in unrecognized tax benefits	`UnrecognizedTaxBenefitsPeriodIncreaseDecrease`	$5.89M	USD	3 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$59.96M	USD	3 Qtrs
Change in other long-term assets	`IncreaseDecreaseInOtherOperatingAssets`	$-14.71M	USD	3 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-25.18M	USD	3 Qtrs
Change in other long-term liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-72.41M	USD	3 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$959.76M	USD	3 Qtrs
Net cash flow provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$771.92M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$1.03B	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$898.46M	USD	3 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$24.92M	USD	3 Qtrs
Contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$22.61M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-15.38M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`AllowanceForFundsUsedDuringConstructionInvestingActivities`	$-18.96M	USD	3 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$443.21M	USD	3 Qtrs
Proceeds from nuclear decommissioning trust sales and other special use funds	`ProceedsfromDecommissioningTrustFundAssetsAndOtherSpecialUseFunds`	$351.86M	USD	3 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$461.78M	USD	3 Qtrs
Investment in nuclear decommissioning trust and other special use funds	`PaymentstoAcquireInvestmentstobeHeldinDecommissioningTrustFundAndOtherSpecialUseFunds`	$353.00M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$20.29M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-49.00K	USD	3 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.04B	USD	3 Qtrs
Net cash flow used for investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-913.32M	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$549.48M	USD	3 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$295.25M	USD	3 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$19.80M	USD	3 Qtrs
Short-term borrowing and payments net	`ProceedsFromRepaymentsOfShortTermDebt`	$-68.80M	USD	3 Qtrs
Short-term debt borrowings under revolving credit facility	`ProceedsFromLinesOfCredit`	$23.00M	USD	3 Qtrs
Short-term debt borrowings under revolving credit facility	`ProceedsFromLinesOfCredit`	$45.00M	USD	3 Qtrs
Short-term debt repayments under revolving credit facility	`RepaymentsOfLinesOfCredit`	-	USD	3 Qtrs
Short-term debt repayments under revolving credit facility	`RepaymentsOfLinesOfCredit`	$32.00M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$82.00M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$213.93M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$228.04M	USD	3 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-1.98M	USD	3 Qtrs
Common stock equity issuance - net of purchases	`ProceedsFromRepurchaseOfEquity`	$-8.87M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	3 Qtrs
Distributions to noncontrolling interests	`PaymentsToMinorityShareholders`	$11.37M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.00K	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	3 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$269.51M	USD	3 Qtrs
Net cash flow provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$4.65M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.79M	USD	3 Qtrs
NET INCREASE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$51.10M	USD	3 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$64.99M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.88M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.67M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$64.99M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.88M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.67M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.89M	USD	Point-in-time
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$2.19M	USD	3 Qtrs
Income taxes, net of refunds	`IncomeTaxesPaidNet`	$10.09M	USD	3 Qtrs
Interest, net of amounts capitalized	`InterestPaidNet`	$147.15M	USD	3 Qtrs
Interest, net of amounts capitalized	`InterestPaidNet`	$161.88M	USD	3 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$93.03M	USD	3 Qtrs
Accrued capital expenditures	`CapitalExpendituresIncurredButNotYetPaid`	$99.41M	USD	3 Qtrs

Stockholders Equity 36 line items

Line Item	Tag	Value	Unit	Period
Dividends on common stock (in usd per share)	`CommonStockDividendsPerShareDeclared`	$1.39	USD	3 Qtrs
Dividends on common stock (in usd per share)	`CommonStockDividendsPerShareDeclared`	$1.31	USD	3 Qtrs
Beginning balance (in shares)	`CommonStockSharesIssued`	111.82M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesIssued`	112.02M	shares	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.28B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-43.63M	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Balance at beginning of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	USD	Point-in-time
Net income	`ProfitLoss`	$280.94M	USD	1 Quarter
Net income	`ProfitLoss`	$319.88M	USD	1 Quarter
Net income	`ProfitLoss`	$481.45M	USD	3 Qtrs
Net income	`ProfitLoss`	$499.59M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.55M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.51M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.71M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-1.52M	USD	3 Qtrs
Dividends on common stock ($1.31 per share)	`DividendsCommonStock`	$146.20M	USD	3 Qtrs
Dividends on common stock ($1.31 per share)	`DividendsCommonStock`	$155.61M	USD	3 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$14.82M	USD	3 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$12.79M	USD	3 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$12.96M	USD	3 Qtrs
Purchase of treasury stock	`TreasuryStockValueAcquiredCostMethod`	$6.29M	USD	3 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$10.50M	USD	3 Qtrs
Reissuance of treasury stock for stock-based compensation and other	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$16.29M	USD	3 Qtrs
Reclassification of income tax effects related to new tax reform (See Note 13)	`TaxCutsAndJobsActOf2017ReclassificationFromAOCIToRetainedEarningsTaxEffect`	$-8.55M	USD	3 Qtrs
Net capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	3 Qtrs
Net capital activities by noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$11.37M	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesIssued`	111.82M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesIssued`	112.02M	shares	Point-in-time
Other	`StockholdersEquityOther`	$-1.00K	USD	3 Qtrs
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.28B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$-43.63M	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.14B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.94B	USD	Point-in-time
Balance at end of period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.49B	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 unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$96.00K	USD	3 Qtrs
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$5.00K	USD	1 Quarter
Net unrealized loss, tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$684.00K	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$280.94M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$319.88M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$481.45M	USD	3 Qtrs
NET INCOME	`ProfitLoss`	$499.59M	USD	3 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-430.00K	USD	3 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-149.00K	USD	1 Quarter
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-381.00K	USD	3 Qtrs
Reclassification of net realized loss, tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-438.00K	USD	1 Quarter
Pension and other postretirement (benefits) activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-487.00K	USD	1 Quarter
Pension and other postretirement (benefits) activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-361.00K	USD	1 Quarter
Pension and other postretirement (benefits) activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-369.00K	USD	3 Qtrs
Pension and other postretirement (benefits) activity, tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$754.00K	USD	3 Qtrs
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-96.00K	USD	3 Qtrs
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$-754.00K	USD	3 Qtrs
Net unrealized gain (loss), net of tax expense	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax`	$9.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-451.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-710.00K	USD	1 Quarter
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.48M	USD	3 Qtrs
Reclassification of net realized loss, net of tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.32M	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$21.00K	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.10M	USD	1 Quarter
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.74M	USD	3 Qtrs
Pension and other postretirement benefits activity, net of tax benefit	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-790.00K	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.55M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.51M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.71M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-1.52M	USD	3 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$282.45M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$321.44M	USD	1 Quarter
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$483.15M	USD	3 Qtrs
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$498.07M	USD	3 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.87M	USD	1 Quarter
Less: Comprehensive income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.62M	USD	3 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$468.53M	USD	3 Qtrs
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$316.56M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$277.58M	USD	1 Quarter
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	`ComprehensiveIncomeNetOfTax`	$483.45M	USD	3 Qtrs

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