10-Q Filing

OGE ENERGY CORP. CIK: 1021635 Q3 2015

Filing Information

Form Type	10-Q
Accession Number	`0001021635-15-000120`
Period End Date	20150930
Filing Date	20151105
Fiscal Year	2015
Fiscal Period	Q3
XBRL Instance	oge-20150930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 100 Income Statement 96 Cash Flow Statement 82 Stockholders Equity 22 Comprehensive Income 52

Balance Sheet 100 line items

Line Item	Tag	Value	Unit	Period
Allowance for Doubtful Accounts Receivable	`AllowanceForDoubtfulAccountsReceivable`	$1.50M	USD	Point-in-time
Allowance for Doubtful Accounts Receivable	`AllowanceForDoubtfulAccountsReceivable`	$1.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$43.30M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.50M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$6.80M	USD	Point-in-time
Accounts receivable, less reserve of $1.5 and $1.6, respectively	`AccountsReceivableNetCurrent`	$222.60M	USD	Point-in-time
Accounts receivable, less reserve of $1.5 and $1.6, respectively	`AccountsReceivableNetCurrent`	$188.80M	USD	Point-in-time
Accounts receivable - unconsolidated affiliates	`AccountsReceivableRelatedPartiesCurrent`	$5.60M	USD	Point-in-time
Accounts receivable - unconsolidated affiliates	`AccountsReceivableRelatedPartiesCurrent`	$5.10M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$55.50M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$77.90M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$18.40M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$16.00M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$58.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$86.20M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$76.70M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$78.90M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$176.40M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$191.40M	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	$68.30M	USD	Point-in-time
Fuel clause under recoveries	`DeferredFuelCost`	$1.60M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$44.90M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$38.40M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$706.90M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$753.10M	USD	Point-in-time
Investment in unconsolidated affiliates	`EquityMethodInvestments`	$1.20B	USD	Point-in-time
Investment in unconsolidated affiliates	`EquityMethodInvestments`	$1.31B	USD	Point-in-time
Investment in unconsolidated affiliates	`EquityMethodInvestments`	$1.32B	USD	Point-in-time
Other	`OtherLongTermInvestments`	$70.10M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$70.50M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$1.39B	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$1.27B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$10.20B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.98B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$115.90M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$230.60M	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$10.43B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$10.10B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.12B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.26B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$6.98B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$7.17B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$410.40M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$389.70M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$35.80M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$42.30M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$452.70M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$425.50M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.62B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.46B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.53B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$98.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$179.10M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$125.70M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$54.90M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$49.90M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$76.00M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$73.70M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$39.70M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$61.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$34.10M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$43.00M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$37.10M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$38.20M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$110.00M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	-	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$34.50M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$53.10M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$51.70M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$573.30M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$586.80M	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$2.76B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$2.65B	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$311.00M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$315.50M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$2.27B	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$2.33B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$263.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$277.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$110.60M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$108.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.95B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$3.03B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.26B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.09B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.10B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.29B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.20B	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-36.10M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.40M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.24B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.35B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$9.53B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$9.62B	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.93B	USD	3 Qtrs
OPERATING REVENUES	`Revenues`	$754.70M	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.75B	USD	3 Qtrs
OPERATING REVENUES	`Revenues`	$719.80M	USD	1 Quarter
COST OF SALES	`CostOfGoodsAndServicesSold`	$305.30M	USD	1 Quarter
COST OF SALES	`CostOfGoodsAndServicesSold`	$869.60M	USD	3 Qtrs
COST OF SALES	`CostOfGoodsAndServicesSold`	$682.30M	USD	3 Qtrs
COST OF SALES	`CostOfGoodsAndServicesSold`	$259.80M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$331.90M	USD	3 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$109.40M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$108.10M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$334.30M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$71.70M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$77.90M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$207.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$230.00M	USD	3 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$21.90M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$21.50M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$66.50M	USD	3 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$68.80M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$201.30M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$605.60M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$209.20M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$633.10M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$451.70M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$248.10M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$434.40M	USD	3 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$250.80M	USD	1 Quarter
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$44.70M	USD	1 Quarter
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-71.90M	USD	1 Quarter
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-12.00M	USD	3 Qtrs
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$131.90M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$1.10M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$2.20M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$3.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.40M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$19.40M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$11.70M	USD	3 Qtrs
Other income	`OtherNonoperatingIncome`	$7.20M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$8.90M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$5.80M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$11.20M	USD	3 Qtrs
Other expense	`OtherNonoperatingExpense`	$5.30M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$8.50M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$-66.10M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$47.20M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$135.40M	USD	3 Qtrs
Net other income	`NonoperatingIncomeExpense`	$4.30M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$110.90M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$37.00M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$109.20M	USD	3 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$36.30M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$2.70M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$600.00K	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.70M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.10M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$1.10M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$5.00M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$4.20M	USD	3 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$1.50M	USD	1 Quarter
Interest expense	`InterestExpense`	$37.00M	USD	1 Quarter
Interest expense	`InterestExpense`	$112.40M	USD	3 Qtrs
Interest expense	`InterestExpense`	$112.50M	USD	3 Qtrs
Interest expense	`InterestExpense`	$37.20M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$326.30M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$258.10M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$474.60M	USD	3 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$147.70M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$84.40M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$36.50M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$137.20M	USD	3 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$70.80M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$337.40M	USD	3 Qtrs
NET INCOME	`NetIncomeLoss`	$187.30M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$111.20M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$241.90M	USD	3 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	199.10M	shares	3 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	199.70M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	199.30M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	199.60M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	199.70M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	199.60M	shares	3 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.20M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	199.90M	shares	3 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.94	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.55	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.69	USD	3 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$1.21	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.21	USD	3 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.55	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.94	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$1.69	USD	3 Qtrs
DIVIDENDS DECLARED PER COMMON SHARE	`CommonStockDividendsPerShareDeclared`	$0.70	USD	3 Qtrs
DIVIDENDS DECLARED PER COMMON SHARE	`CommonStockDividendsPerShareDeclared`	$0.78	USD	3 Qtrs
DIVIDENDS DECLARED PER COMMON SHARE	`CommonStockDividendsPerShareDeclared`	$0.25	USD	1 Quarter
DIVIDENDS DECLARED PER COMMON SHARE	`CommonStockDividendsPerShareDeclared`	$0.28	USD	1 Quarter

Cash Flow Statement 82 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$187.30M	USD	1 Quarter
Net income	`ProfitLoss`	$111.20M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	3 Qtrs
Net income	`ProfitLoss`	$337.40M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$207.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$230.00M	USD	3 Qtrs
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$142.10M	USD	3 Qtrs
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$62.30M	USD	3 Qtrs
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$44.70M	USD	1 Quarter
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-71.90M	USD	1 Quarter
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$-12.00M	USD	3 Qtrs
Equity in earnings of unconsolidated affiliates	`IncomeLossFromEquityMethodInvestments`	$131.90M	USD	3 Qtrs
Distributions from unconsolidated affiliates	`Increasedecreaseindistributionsfromunconsolidatedaffiliates`	$67.10M	USD	3 Qtrs
Distributions from unconsolidated affiliates	`Increasedecreaseindistributionsfromunconsolidatedaffiliates`	$110.10M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$1.10M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$2.20M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$3.00M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.40M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$3.80M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$-5.40M	USD	3 Qtrs
Excess tax benefit on stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	-	USD	3 Qtrs
Excess tax benefit on stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationOperatingActivities`	$5.20M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInRegulatoryAssetsNoncurrent`	$-12.70M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInRegulatoryAssetsNoncurrent`	$-1.60M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilitiesNoncurrent`	$-5.60M	USD	3 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilitiesNoncurrent`	$-13.90M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$18.80M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-12.70M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$24.80M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$100.00K	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$33.80M	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$58.80M	USD	3 Qtrs
Accounts receivable - unconsolidated affiliates	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$-5.50M	USD	3 Qtrs
Accounts receivable - unconsolidated affiliates	`IncreaseDecreaseInAccountsReceivableRelatedParties`	$-500.00K	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$13.30M	USD	3 Qtrs
Accrued unbilled revenues	`IncreaseDecreaseInUnbilledReceivables`	$22.40M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$25.50M	USD	3 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$-33.50M	USD	3 Qtrs
Fuel clause under recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-66.70M	USD	3 Qtrs
Fuel clause under recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$58.10M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$8.90M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$6.40M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-57.70M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-100.70M	USD	3 Qtrs
Fuel clause over recoveries	`IncreaseDecreaseInDeferredFuelCostsCurrentLiabilities`	$34.50M	USD	3 Qtrs
Fuel clause over recoveries	`IncreaseDecreaseInDeferredFuelCostsCurrentLiabilities`	$-400.00K	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$37.60M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$6.70M	USD	3 Qtrs
Net Cash Provided from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$609.10M	USD	3 Qtrs
Net Cash Provided from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$466.50M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$375.00M	USD	3 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$437.40M	USD	3 Qtrs
Return of capital - equity method investments	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$36.90M	USD	3 Qtrs
Return of capital - equity method investments	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$9.50M	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$2.20M	USD	3 Qtrs
Proceeds from sale of assets	`ProceedsFromSaleOfProductiveAssets`	$600.00K	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-335.90M	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-427.30M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$134.30M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$149.70M	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	3 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$246.50M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$7.20M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$10.10M	USD	3 Qtrs
Excess tax benefit on stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$5.20M	USD	3 Qtrs
Excess tax benefit on stock-based compensation	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	-	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$100.00K	USD	3 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$140.10M	USD	3 Qtrs
Decrease in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-98.00M	USD	3 Qtrs
Decrease in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-28.20M	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-235.40M	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-46.00M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-6.80M	USD	3 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$37.80M	USD	3 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$43.30M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$5.50M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$6.80M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$43.30M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$5.50M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashAndCashEquivalentsAtCarryingValue`	$6.80M	USD	Point-in-time

Stockholders Equity 22 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.04B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Net income	`ProfitLoss`	$187.30M	USD	1 Quarter
Net income	`ProfitLoss`	$111.20M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	3 Qtrs
Net income	`ProfitLoss`	$337.40M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.40M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.30M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$300.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$900.00K	USD	3 Qtrs
Dividends declared on common stock	`DividendsCommonStockCash`	$139.50M	USD	3 Qtrs
Dividends declared on common stock	`DividendsCommonStockCash`	$154.80M	USD	3 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$7.20M	USD	3 Qtrs
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$10.10M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-3.00M	USD	3 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.40M	USD	3 Qtrs
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.24B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.04B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time

Comprehensive Income 52 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$187.30M	USD	1 Quarter
Net income	`ProfitLoss`	$111.20M	USD	1 Quarter
Net income	`ProfitLoss`	$241.90M	USD	3 Qtrs
Net income	`ProfitLoss`	$337.40M	USD	3 Qtrs
Amortization of deferred net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$900.00K	USD	3 Qtrs
Amortization of deferred net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$1.70M	USD	3 Qtrs
Amortization of deferred net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$300.00K	USD	1 Quarter
Amortization of deferred net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$300.00K	USD	1 Quarter
Settlement cost	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	3 Qtrs
Settlement cost	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	-	USD	1 Quarter
Settlement cost	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$2.40M	USD	3 Qtrs
Settlement cost	`OtherComprehensiveIncomeFinalizationOfPensionAndNonPensionPostretirementPlanValuationTax`	$2.40M	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.3, $0.3, $1.7 and $0.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-700.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.3, $0.3, $1.7 and $0.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-500.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.3, $0.3, $1.7 and $0.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.90M	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.3, $0.3, $1.7 and $0.9, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.40M	USD	3 Qtrs
Settlement cost, net of tax of $2.4, $0.0, $2.4 and $0.0, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	3 Qtrs
Amortization of deferred net loss	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax`	$600.00K	USD	3 Qtrs
Amortization of deferred net loss	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax`	$100.00K	USD	1 Quarter
Amortization of deferred net loss	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax`	$200.00K	USD	1 Quarter
Settlement cost, net of tax of $2.4, $0.0, $2.4 and $0.0, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$3.80M	USD	3 Qtrs
Settlement cost, net of tax of $2.4, $0.0, $2.4 and $0.0, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $2.4, $0.0, $2.4 and $0.0, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$3.80M	USD	1 Quarter
Amortization of deferred net loss	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostTax`	$400.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect`	$-200.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect`	$-800.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect`	$-800.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicBenefitCostTaxEffect`	$-300.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.2, $0.1, $0.6 and $0.4, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$-900.00K	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.2, $0.1, $0.6 and $0.4, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$-100.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.2, $0.1, $0.6 and $0.4, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$-300.00K	USD	1 Quarter
Amortization of deferred interest rate swap hedging losses	`OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax`	-	USD	1 Quarter
Amortization of deferred interest rate swap hedging losses	`OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax`	-	USD	3 Qtrs
Amortization of deferred interest rate swap hedging losses	`OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax`	-	USD	1 Quarter
Amortization of deferred interest rate swap hedging losses	`OtherComprehensiveIncomeReclassificationAdjustmentOnInterestRateSwapsIncludedInNetIncomeTax`	$100.00K	USD	3 Qtrs
Amortization of deferred net loss, net of tax of $0.2, $0.1, $0.6 and $0.4, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$-600.00K	USD	3 Qtrs
Amortization of prior service cost, net of tax of ($0.3), ($0.2), ($0.8) and ($0.8), respectively	`OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax`	$-1.30M	USD	3 Qtrs
Amortization of prior service cost, net of tax of ($0.3), ($0.2), ($0.8) and ($0.8), respectively	`OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax`	$-1.30M	USD	3 Qtrs
Amortization of prior service cost, net of tax of ($0.3), ($0.2), ($0.8) and ($0.8), respectively	`OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax`	$-400.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of ($0.3), ($0.2), ($0.8) and ($0.8), respectively	`OtherComprehensiveIncomeAmortizationOfDefinedBenefitPostretirementPlansNetPriorServiceCostRecognizedInNetPeriodicPostretirementCostNetOfTax`	$-400.00K	USD	1 Quarter
Amortization of deferred interest rate swap hedging losses, net of tax of $0.0, $0.0, $0.0 and $0.1, respectively	`OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax`	$200.00K	USD	3 Qtrs
Amortization of deferred interest rate swap hedging losses, net of tax of $0.0, $0.0, $0.0 and $0.1, respectively	`OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax`	-	USD	3 Qtrs
Amortization of deferred interest rate swap hedging losses, net of tax of $0.0, $0.0, $0.0 and $0.1, respectively	`OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax`	-	USD	1 Quarter
Amortization of deferred interest rate swap hedging losses, net of tax of $0.0, $0.0, $0.0 and $0.1, respectively	`OtherComprehensiveIncomeAmortizationOfInterestRateSwapNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.40M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.30M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$300.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$900.00K	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$115.60M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$247.20M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$338.30M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$187.60M	USD	1 Quarter

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