10-Q Filing

OGE ENERGY CORP. CIK: 1021635 Q2 2024

Filing Information

Form Type	10-Q
Accession Number	`0000950170-24-092035`
Period End Date	20240630
Filing Date	20240807
Fiscal Year	2024
Fiscal Period	Q2
XBRL Instance	oge-20240630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 182 Income Statement 216 Cash Flow Statement 144 Stockholders Equity 72 Comprehensive Income 68

Balance Sheet 182 line items

Line Item	Tag	Value	Unit	Period
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.20M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$2.20M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$1.50M	USD	Point-in-time
Accounts Receivable, Allowance for Credit Loss	`AllowanceForDoubtfulAccountsReceivable`	$1.50M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$100.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$100.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$200.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$200.00K	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$208.80M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$208.80M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$220.10M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$220.10M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$72.70M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$72.70M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$108.90M	USD	Point-in-time
Accrued unbilled revenues	`UnbilledReceivablesCurrent`	$108.90M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$18.20M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$18.20M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.60M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.60M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$145.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$145.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$158.50M	USD	Point-in-time
Fuel inventories	`InventoryNet`	$158.50M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$238.60M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$238.60M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$254.30M	USD	Point-in-time
Materials and supplies, at average cost	`OtherInventorySupplies`	$254.30M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$58.80M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$58.80M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$67.50M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$67.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$771.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$771.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$787.30M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$787.30M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$119.70M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$119.70M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$114.00M	USD	Point-in-time
Other	`OtherLongTermInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$114.00M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$119.70M	USD	Point-in-time
Total other property and investments	`OtherInvestments`	$119.70M	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.91B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.91B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.59B	USD	Point-in-time
In service	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$15.59B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$689.10M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$689.10M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$522.20M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$522.20M	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.60B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.60B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.11B	USD	Point-in-time
Total property, plant and equipment	`PropertyPlantAndEquipmentGross`	$16.11B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.81B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.81B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.91B	USD	Point-in-time
Less: accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$4.91B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.30B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.30B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.69B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$11.69B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$577.60M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$577.60M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$586.20M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$586.20M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$31.30M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$31.30M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$26.60M	USD	Point-in-time
Other	`OtherAssetsMiscellaneousNoncurrent`	$26.60M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$604.20M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$604.20M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$617.50M	USD	Point-in-time
Total deferred charges and other assets	`OtherAssetsNoncurrent`	$617.50M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$13.21B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$13.21B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.79B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.79B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.60B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$12.60B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$361.30M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$361.30M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$499.20M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$499.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$276.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$256.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$256.80M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$84.00M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$84.00M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$83.80M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$83.80M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$103.50M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$103.50M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$107.80M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$107.80M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$49.20M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$49.20M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$47.60M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$47.60M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$60.30M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$60.30M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$57.40M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$57.40M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$39.70M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$39.70M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$46.80M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$46.80M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	-	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$79.40M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$79.40M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$29.80M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$29.80M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$20.50M	USD	Point-in-time
Fuel clause over recoveries	`CustomerRefundLiabilityCurrent`	$20.50M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$44.00M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$41.40M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$41.40M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.18B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.11B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.11B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.82B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.82B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.34B	USD	Point-in-time
LONG-TERM DEBT	`LongTermDebtNoncurrent`	$4.34B	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$172.70M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$172.70M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$163.50M	USD	Point-in-time
Accrued benefit obligations	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$163.50M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.30B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.30B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.34B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.34B	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$11.30M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$11.30M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$10.90M	USD	Point-in-time
Deferred investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$10.90M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.03B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.03B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.06B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$1.06B	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$262.40M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$262.40M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$213.00M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$213.00M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.80B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.80B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.76B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.76B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.28B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.73B	USD	Point-in-time
Total liabilities	`Liabilities`	$8.73B	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
COMMITMENTS AND CONTINGENCIES (NOTE 12)	`CommitmentsAndContingencies`	-	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`	$1.16B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.16B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Common stockholders' equity	`CommonStocksIncludingAdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.32B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.32B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.37B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.37B	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.20M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.20M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.20M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.20M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.48B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.48B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.51B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.51B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$12.79B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$12.79B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$13.21B	USD	Point-in-time
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	`LiabilitiesAndStockholdersEquity`	$13.21B	USD	Point-in-time

Income Statement 216 line items

Line Item	Tag	Value	Unit	Period
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$644.10M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$644.10M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$589.20M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$589.20M	USD	1 Quarter
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.13B	USD	2 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.13B	USD	2 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.23B	USD	2 Qtrs
Revenues from contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.23B	USD	2 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$28.40M	USD	2 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$28.40M	USD	2 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$15.80M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$15.80M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$18.50M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$18.50M	USD	1 Quarter
Other revenues	`RegulatedOperatingRevenueOther`	$32.70M	USD	2 Qtrs
Other revenues	`RegulatedOperatingRevenueOther`	$32.70M	USD	2 Qtrs
Operating revenues	`Revenues`	$1.26B	USD	2 Qtrs
Operating revenues	`Revenues`	$1.26B	USD	2 Qtrs
Operating revenues	`Revenues`	$605.00M	USD	1 Quarter
Operating revenues	`Revenues`	$605.00M	USD	1 Quarter
Operating revenues	`Revenues`	$1.16B	USD	2 Qtrs
Operating revenues	`Revenues`	$1.16B	USD	2 Qtrs
Operating revenues	`Revenues`	$662.60M	USD	1 Quarter
Operating revenues	`Revenues`	$662.60M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$193.90M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$193.90M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$382.40M	USD	2 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$382.40M	USD	2 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$426.10M	USD	2 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$426.10M	USD	2 Qtrs
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$181.80M	USD	1 Quarter
FUEL, PURCHASED POWER AND DIRECT TRANSMISSION EXPENSE	`CostOfGoodsAndServicesSold`	$181.80M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$128.30M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$128.30M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$262.80M	USD	2 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$262.80M	USD	2 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$130.40M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$130.40M	USD	1 Quarter
Other operation and maintenance	`OtherCostAndExpenseOperating`	$258.70M	USD	2 Qtrs
Other operation and maintenance	`OtherCostAndExpenseOperating`	$258.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$245.30M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$245.30M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$264.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$264.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$135.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$135.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$124.10M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$124.10M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$55.90M	USD	2 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$55.90M	USD	2 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$24.40M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$24.40M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$52.90M	USD	2 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$52.90M	USD	2 Qtrs
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$26.90M	USD	1 Quarter
Taxes other than income	`TaxesExcludingIncomeAndExciseTaxes`	$26.90M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$292.80M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$292.80M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$276.80M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$276.80M	USD	1 Quarter
Operating expenses	`OperatingExpenses`	$556.90M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$556.90M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$583.40M	USD	2 Qtrs
Operating expenses	`OperatingExpenses`	$583.40M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$175.90M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$175.90M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$249.90M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$249.90M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$146.40M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$146.40M	USD	1 Quarter
OPERATING INCOME	`OperatingIncomeLoss`	$222.90M	USD	2 Qtrs
OPERATING INCOME	`OperatingIncomeLoss`	$222.90M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.60M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.60M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$11.30M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$11.30M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.60M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.60M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.10M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.10M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.10M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.10M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-2.60M	USD	2 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-2.60M	USD	2 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.60M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-1.60M	USD	1 Quarter
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-3.30M	USD	2 Qtrs
Other net periodic benefit income	`PensionAndOtherPostretirementBenefitExpense`	$-3.30M	USD	2 Qtrs
Other income	`OtherNonoperatingIncome`	$12.70M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$12.70M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$8.90M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$8.90M	USD	1 Quarter
Other income	`OtherNonoperatingIncome`	$13.40M	USD	2 Qtrs
Other income	`OtherNonoperatingIncome`	$13.40M	USD	2 Qtrs
Other income	`OtherNonoperatingIncome`	$29.60M	USD	2 Qtrs
Other income	`OtherNonoperatingIncome`	$29.60M	USD	2 Qtrs
Other expense	`OtherNonoperatingExpense`	$10.90M	USD	2 Qtrs
Other expense	`OtherNonoperatingExpense`	$10.90M	USD	2 Qtrs
Other expense	`OtherNonoperatingExpense`	$11.10M	USD	2 Qtrs
Other expense	`OtherNonoperatingExpense`	$11.10M	USD	2 Qtrs
Other expense	`OtherNonoperatingExpense`	$6.60M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$6.60M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$4.40M	USD	1 Quarter
Other expense	`OtherNonoperatingExpense`	$4.40M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$30.90M	USD	2 Qtrs
Net other income	`NonoperatingIncomeExpense`	$30.90M	USD	2 Qtrs
Net other income	`NonoperatingIncomeExpense`	$10.50M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$10.50M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$16.90M	USD	2 Qtrs
Net other income	`NonoperatingIncomeExpense`	$16.90M	USD	2 Qtrs
Net other income	`NonoperatingIncomeExpense`	$14.50M	USD	1 Quarter
Net other income	`NonoperatingIncomeExpense`	$14.50M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$54.90M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$54.90M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$101.00M	USD	2 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$101.00M	USD	2 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$106.90M	USD	2 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$106.90M	USD	2 Qtrs
Interest on long-term debt	`InterestExpenseLongTermDebt`	$52.90M	USD	1 Quarter
Interest on long-term debt	`InterestExpenseLongTermDebt`	$52.90M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.80M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.80M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.30M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.30M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.40M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.40M	USD	1 Quarter
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.40M	USD	2 Qtrs
Allowance for borrowed funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.40M	USD	2 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$6.10M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$6.10M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$13.40M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$13.40M	USD	1 Quarter
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$7.90M	USD	2 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$7.90M	USD	2 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$25.00M	USD	2 Qtrs
Interest on short-term debt and other interest charges	`InterestExpenseShortTermBorrowings`	$25.00M	USD	2 Qtrs
Interest expense	`InterestExpense`	$105.50M	USD	2 Qtrs
Interest expense	`InterestExpense`	$105.50M	USD	2 Qtrs
Interest expense	`InterestExpense`	$125.10M	USD	2 Qtrs
Interest expense	`InterestExpense`	$125.10M	USD	2 Qtrs
Interest expense	`InterestExpense`	$64.90M	USD	1 Quarter
Interest expense	`InterestExpense`	$64.90M	USD	1 Quarter
Interest expense	`InterestExpense`	$57.70M	USD	1 Quarter
Interest expense	`InterestExpense`	$57.70M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$121.50M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$121.50M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$148.30M	USD	2 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$148.30M	USD	2 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$141.70M	USD	2 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$141.70M	USD	2 Qtrs
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$103.20M	USD	1 Quarter
INCOME BEFORE TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$103.20M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$21.60M	USD	2 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$21.60M	USD	2 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$14.80M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$14.80M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$19.20M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$19.20M	USD	1 Quarter
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$20.80M	USD	2 Qtrs
INCOME TAX EXPENSE	`IncomeTaxExpenseBenefit`	$20.80M	USD	2 Qtrs
NET INCOME	`NetIncomeLoss`	$88.40M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$88.40M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$102.30M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$102.30M	USD	1 Quarter
NET INCOME	`NetIncomeLoss`	$120.90M	USD	2 Qtrs
NET INCOME	`NetIncomeLoss`	$120.90M	USD	2 Qtrs
NET INCOME	`NetIncomeLoss`	$126.70M	USD	2 Qtrs
NET INCOME	`NetIncomeLoss`	$126.70M	USD	2 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.80M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.80M	shares	1 Quarter
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.60M	shares	2 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.60M	shares	2 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	2 Qtrs
BASIC AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfSharesOutstandingBasic`	200.30M	shares	2 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.40M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.40M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.00M	shares	2 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	201.00M	shares	2 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.80M	shares	2 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.80M	shares	2 Qtrs
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.80M	shares	1 Quarter
DILUTED AVERAGE COMMON SHARES OUTSTANDING	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.80M	shares	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.44	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.44	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.60	USD	2 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.60	USD	2 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.51	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.51	USD	1 Quarter
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.63	USD	2 Qtrs
BASIC EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareBasic`	$0.63	USD	2 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.60	USD	2 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.60	USD	2 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.44	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.44	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.63	USD	2 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.63	USD	2 Qtrs
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.51	USD	1 Quarter
DILUTED EARNINGS PER AVERAGE COMMON SHARE	`EarningsPerShareDiluted`	$0.51	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$88.90M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$88.90M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$124.90M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$124.90M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$128.30M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$128.30M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$102.40M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$102.40M	USD	1 Quarter

Cash Flow Statement 144 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$245.30M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$245.30M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$264.70M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$264.70M	USD	2 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$1.20M	USD	2 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$1.20M	USD	2 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$7.90M	USD	2 Qtrs
Deferred income taxes and other tax credits, net	`DeferredIncomeTaxesAndTaxCredits`	$7.90M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.60M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.60M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$11.30M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$11.30M	USD	2 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.60M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$6.60M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.10M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$5.10M	USD	1 Quarter
Stock-based compensation expense	`ShareBasedCompensation`	$6.30M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$6.30M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$6.50M	USD	2 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$6.50M	USD	2 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$65.90M	USD	2 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$65.90M	USD	2 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$29.50M	USD	2 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$29.50M	USD	2 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-5.70M	USD	2 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-5.70M	USD	2 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-5.50M	USD	2 Qtrs
Regulatory liabilities	`IncreaseDecreaseInRegulatoryLiabilities`	$-5.50M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$5.30M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$5.30M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$2.20M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$2.20M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$2.30M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$2.30M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$42.80M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$42.80M	USD	2 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$32.00M	USD	2 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$32.00M	USD	2 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$47.50M	USD	2 Qtrs
Accounts receivable and accrued unbilled revenues, net	`IncreaseDecreaseInAccountsReceivable`	$47.50M	USD	2 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-13.90M	USD	2 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-13.90M	USD	2 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-11.60M	USD	2 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$-11.60M	USD	2 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$44.40M	USD	2 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$44.40M	USD	2 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$-29.10M	USD	2 Qtrs
Fuel, materials and supplies inventories	`IncreaseDecreaseInInventories`	$-29.10M	USD	2 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-9.30M	USD	2 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-9.30M	USD	2 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-316.60M	USD	2 Qtrs
Fuel recoveries	`IncreaseDecreaseInDeferredFuelCosts`	$-316.60M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$8.70M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$8.70M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-47.60M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-47.60M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-48.40M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-48.40M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-111.80M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-111.80M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$17.90M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$17.90M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-500.00K	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-500.00K	USD	2 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$336.10M	USD	2 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$336.10M	USD	2 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$506.20M	USD	2 Qtrs
Net cash provided from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$506.20M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$580.60M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$580.60M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$550.20M	USD	2 Qtrs
Capital expenditures (less allowance for equity funds used during construction)	`PaymentsToAcquireProductiveAssets`	$550.20M	USD	2 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$51.40M	USD	2 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$51.40M	USD	2 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$39.40M	USD	2 Qtrs
Cost of removal and other	`CostOfRemovalAndOther`	$39.40M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-589.60M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-589.60M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-632.00M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-632.00M	USD	2 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$788.80M	USD	2 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$788.80M	USD	2 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$356.50M	USD	2 Qtrs
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$356.50M	USD	2 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$100.00K	USD	2 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$100.00K	USD	2 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$1.00B	USD	2 Qtrs
Payment of long-term debt	`RepaymentsOfLongTermDebt`	$1.00B	USD	2 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$418.10M	USD	2 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$418.10M	USD	2 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-137.90M	USD	2 Qtrs
Increase (decrease) in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-137.90M	USD	2 Qtrs
Increase in long-term borrowings under revolver	`ProceedsFromLongTermBorrowingsUnderRevolver`	$200.00M	USD	1 Quarter
Increase in long-term borrowings under revolver	`ProceedsFromLongTermBorrowingsUnderRevolver`	$200.00M	USD	1 Quarter
Increase in long-term borrowings under revolver	`ProceedsFromLongTermBorrowingsUnderRevolver`	-	USD	2 Qtrs
Increase in long-term borrowings under revolver	`ProceedsFromLongTermBorrowingsUnderRevolver`	-	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$166.50M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$166.50M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$169.90M	USD	2 Qtrs
Dividends paid on common stock	`PaymentsOfDividendsCommonStock`	$169.90M	USD	2 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	2 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	2 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$10.90M	USD	2 Qtrs
Proceeds (costs) from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$10.90M	USD	2 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.30M	USD	2 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.30M	USD	2 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$6.10M	USD	2 Qtrs
Cash paid for employee equity-based compensation	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$6.10M	USD	2 Qtrs
Net cash provided from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$38.00M	USD	2 Qtrs
Net cash provided from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$38.00M	USD	2 Qtrs
Net cash provided from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$253.40M	USD	2 Qtrs
Net cash provided from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$253.40M	USD	2 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-87.80M	USD	2 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-87.80M	USD	2 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-100.00K	USD	2 Qtrs
NET CHANGE IN CASH AND CASH EQUIVALENTS	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-100.00K	USD	2 Qtrs
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$100.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$100.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$300.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$300.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.10M	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$200.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$100.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$100.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$300.00K	USD	Point-in-time
CASH AND CASH EQUIVALENTS AT END OF PERIOD	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$300.00K	USD	Point-in-time

Stockholders Equity 72 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.42	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$0.41	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.90M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$84.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$86.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$86.10M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.60M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.00M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$83.00M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$10.90M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$10.90M	USD	1 Quarter
Issuance of common stock, Number of Shares	`StockIssuedDuringPeriodSharesNewIssues`	255,578.00	shares	2 Qtrs
Issuance of common stock, Number of Shares	`StockIssuedDuringPeriodSharesNewIssues`	255,578.00	shares	2 Qtrs
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-2.70M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$-2.70M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.20M	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$800.00K	USD	1 Quarter
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$800.00K	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.45B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.38B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.48B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.37B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.51B	USD	Point-in-time

Comprehensive Income 68 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$38.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$102.30M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$88.40M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$18.60M	USD	1 Quarter
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$120.90M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Net income	`ProfitLoss`	$126.70M	USD	2 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	2 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	2 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-500.00K	USD	2 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-500.00K	USD	2 Qtrs
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-300.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-300.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Amortization of deferred net loss, net of tax of $0.0, $0.0, $0.1 and $0.1, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-100.00K	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	$3.90M	USD	2 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	$3.90M	USD	2 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	2 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	2 Qtrs
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Regulatory classification of certain pension costs, net of tax of $0.0, $0.0, $1.2 and $0.0, respectively	`OtherComprehensiveIncomeRegulatoryClassificationOfCertainPensionCostNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$1.10M	USD	2 Qtrs
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$1.10M	USD	2 Qtrs
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	2 Qtrs
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	-	USD	2 Qtrs
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$200.00K	USD	1 Quarter
Settlement cost, net of tax of $0.0, $0.1, $0.0 and $0.3, respectively	`OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax`	$200.00K	USD	1 Quarter
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	-	USD	1 Quarter
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	2 Qtrs
Amortization of deferred net gain, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	`OtherComprehensiveIncomeReclassificationOfDefinedBenefitPostretirementPlansNetGainLossRecognizedInNetPeriodicBenefitCostNetOfTax`	$100.00K	USD	2 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$500.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$4.00M	USD	2 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$4.00M	USD	2 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.60M	USD	2 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$1.60M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$88.90M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$88.90M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$124.90M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$124.90M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$128.30M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$128.30M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$102.40M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$102.40M	USD	1 Quarter

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