10-Q Filing

BLACK HILLS CORP /SD/ CIK: 1130464 Q3 2024

Filing Information

Form Type	10-Q
Accession Number	`0000950170-24-122969`
Period End Date	20240930
Filing Date	20241107
Fiscal Year	2024
Fiscal Period	Q3
XBRL Instance	bkh-20240930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 192 Income Statement 168 Cash Flow Statement 144 Stockholders Equity 136 Comprehensive Income 80

Balance Sheet 192 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (usd per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	68.27M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	68.27M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	71.68M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	71.68M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$86.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$86.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$12.50M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$12.50M	USD	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$6.40M	USD	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$6.40M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	101,471.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	101,471.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	68,073.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	68,073.00	shares	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$7.10M	USD	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$7.10M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$205.40M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$205.40M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$350.30M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$350.30M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$160.90M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$160.90M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$155.40M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$155.40M	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$18.50M	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$18.50M	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$19.90M	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$19.90M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$156.10M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$156.10M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$175.70M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$175.70M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$28.20M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$28.20M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$43.10M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$43.10M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$826.60M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$826.60M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$599.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$599.50M	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$9.38B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$9.38B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$8.92B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$8.92B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.80B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.80B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.91B	USD	Point-in-time
Less accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.91B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.12B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.12B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.47B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.47B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.40M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.40M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$7.90M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$7.90M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$276.10M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$276.10M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$304.40M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$304.40M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$66.10M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$66.10M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$62.20M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$62.20M	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.67B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.67B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.65B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.65B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.62B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.62B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.72B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.72B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$136.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$136.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$186.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$186.40M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$293.30M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$293.30M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$291.70M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$291.70M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$4.50M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$4.50M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$6.50M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$6.50M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$98.90M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$98.90M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$86.20M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$86.20M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	-	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	-	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$17.50M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$17.50M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	-	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	-	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$600.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$600.00M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$536.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$536.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.19B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.19B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$4.25B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$4.25B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$3.80B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$3.80B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$603.30M	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$603.30M	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$548.00M	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$548.00M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$470.80M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$470.80M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$467.70M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$467.70M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$122.90M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$122.90M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$123.90M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$123.90M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$204.50M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$204.50M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$188.70M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$188.70M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.33B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.33B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.40B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.40B	USD	Point-in-time
Commitments, contingencies and guarantees (Note 3)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (Note 3)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (Note 3)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (Note 3)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 71,676,746 and 68,265,042 shares, respectively	`CommonStockValue`	$71.70M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 71,676,746 and 68,265,042 shares, respectively	`CommonStockValue`	$71.70M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 71,676,746 and 68,265,042 shares, respectively	`CommonStockValue`	$68.30M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 71,676,746 and 68,265,042 shares, respectively	`CommonStockValue`	$68.30M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.19B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.19B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.01B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$2.01B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.16B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.16B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.20B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.20B	USD	Point-in-time
Treasury stock, at cost - 101,471 and 68,073 shares, respectively	`TreasuryStockValue`	$4.10M	USD	Point-in-time
Treasury stock, at cost - 101,471 and 68,073 shares, respectively	`TreasuryStockValue`	$4.10M	USD	Point-in-time
Treasury stock, at cost - 101,471 and 68,073 shares, respectively	`TreasuryStockValue`	$5.90M	USD	Point-in-time
Treasury stock, at cost - 101,471 and 68,073 shares, respectively	`TreasuryStockValue`	$5.90M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.60M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-10.60M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-15.60M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-15.60M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-14.80M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-14.80M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.90M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.90M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.45B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.45B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.22B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.22B	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$85.60M	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$85.60M	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$90.50M	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$90.50M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.62B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.62B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.72B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.72B	USD	Point-in-time

Income Statement 168 line items

Line Item	Tag	Value	Unit	Period
Revenue	`Revenues`	$407.10M	USD	1 Quarter
Revenue	`Revenues`	$407.10M	USD	1 Quarter
Revenue	`Revenues`	$1.74B	USD	3 Qtrs
Revenue	`Revenues`	$1.74B	USD	3 Qtrs
Revenue	`Revenues`	$401.60M	USD	1 Quarter
Revenue	`Revenues`	$401.60M	USD	1 Quarter
Revenue	`Revenues`	$1.53B	USD	3 Qtrs
Revenue	`Revenues`	$1.53B	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$749.80M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$749.80M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$102.20M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$102.20M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$94.50M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$94.50M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$518.20M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$518.20M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$125.70M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$125.70M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$420.80M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$420.80M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$412.50M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$412.50M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$145.60M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$145.60M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$201.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$201.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$69.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$69.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$191.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$191.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$64.90M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$64.90M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.50M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.50M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$50.00M	USD	3 Qtrs
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$50.00M	USD	3 Qtrs
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$49.90M	USD	3 Qtrs
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$49.90M	USD	3 Qtrs
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.40M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.40M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$1.19B	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$1.19B	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$1.40B	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$1.40B	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$309.30M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$309.30M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$325.80M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$325.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$339.80M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$339.80M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$75.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$75.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$97.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$97.80M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$336.20M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$336.20M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$44.50M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$44.50M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$131.80M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$131.80M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$144.80M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$144.80M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$50.60M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$50.60M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$5.40M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$5.40M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$12.90M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$12.90M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$5.80M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$5.80M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$3.50M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.50M	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.70M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.70M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.30M	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.30M	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-600.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-600.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.50M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.50M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-133.60M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-133.60M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-46.50M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-46.50M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-127.50M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-127.50M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-41.60M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-41.60M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$56.20M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$56.20M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$208.70M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$208.70M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$206.20M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$206.20M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$29.30M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$29.30M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$23.60M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$23.60M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$2.90M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$2.90M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$7.40M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$7.40M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$16.00M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$16.00M	USD	3 Qtrs
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.60M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.60M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.40M	USD	1 Quarter
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.40M	USD	1 Quarter
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.00M	USD	1 Quarter
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.00M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$45.40M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$45.40M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$175.00M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLoss`	$175.00M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLoss`	$24.40M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$24.40M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$182.50M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLoss`	$182.50M	USD	3 Qtrs
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.35	USD	1 Quarter
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.35	USD	1 Quarter
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.53	USD	3 Qtrs
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.53	USD	3 Qtrs
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.67	USD	1 Quarter
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.67	USD	1 Quarter
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.74	USD	3 Qtrs
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.74	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.35	USD	1 Quarter
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.35	USD	1 Quarter
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.52	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.52	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.74	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.74	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.67	USD	1 Quarter
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.67	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.30M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.30M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	70.50M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	70.50M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	69.20M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	69.20M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	66.70M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	66.70M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	66.70M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	66.70M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.40M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.40M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	69.30M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	69.30M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.60M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.60M	shares	1 Quarter

Cash Flow Statement 144 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$201.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$201.80M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$69.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$69.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$191.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$191.20M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$64.90M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$64.90M	USD	1 Quarter
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$8.20M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$8.20M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$6.90M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$6.90M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$4.60M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$4.60M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$8.20M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$8.20M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$16.10M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$16.10M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.60M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$39.60M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$7.90M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$7.90M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$8.90M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$8.90M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$1.80M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$1.80M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$6.10M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$6.10M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$-43.50M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$-43.50M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$-10.90M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$-10.90M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-123.90M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-123.90M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-302.80M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-302.80M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-61.80M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-61.80M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-186.50M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-186.50M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-61.60M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-61.60M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-199.10M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-199.10M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$16.00M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$16.00M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$16.20M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$16.20M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$756.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$756.00M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$566.10M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$566.10M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$421.80M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$421.80M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$530.50M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$530.50M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-18.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-18.00M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$1.50M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$1.50M	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-532.00M	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-532.00M	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-403.80M	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-403.80M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$125.40M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$125.40M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$135.80M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$135.80M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$181.60M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$181.60M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$107.40M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$107.40M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$-535.60M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$-535.60M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$17.50M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$17.50M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	$450.00M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	$800.00M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	$800.00M	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	$600.00M	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	$600.00M	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Long-term debt - repayments	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$12.50M	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$12.50M	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$12.90M	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$12.90M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-8.30M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-8.30M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.20M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.20M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-107.50M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-107.50M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$221.30M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$221.30M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$573.50M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$573.50M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-73.40M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-73.40M	USD	3 Qtrs
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$27.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$27.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$93.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$93.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$600.50M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$600.50M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.60M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.60M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$27.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$27.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$93.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$93.00M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$600.50M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$600.50M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.60M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$19.60M	USD	Point-in-time
Interest (net of amounts capitalized)	`InterestPaidNet`	$108.80M	USD	3 Qtrs
Interest (net of amounts capitalized)	`InterestPaidNet`	$108.80M	USD	3 Qtrs
Interest (net of amounts capitalized)	`InterestPaidNet`	$122.50M	USD	3 Qtrs
Interest (net of amounts capitalized)	`InterestPaidNet`	$122.50M	USD	3 Qtrs
Income taxes, net of transferred tax credits (Note 11)	`IncomeTaxesPaidNet`	$-14.60M	USD	3 Qtrs
Income taxes, net of transferred tax credits (Note 11)	`IncomeTaxesPaidNet`	$-14.60M	USD	3 Qtrs
Income taxes, net of transferred tax credits (Note 11)	`IncomeTaxesPaidNet`	$-100.00K	USD	3 Qtrs
Income taxes, net of transferred tax credits (Note 11)	`IncomeTaxesPaidNet`	$-100.00K	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$64.00M	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$64.00M	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$53.00M	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$53.00M	USD	3 Qtrs

Stockholders Equity 136 line items

Line Item	Tag	Value	Unit	Period
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.65	USD	1 Quarter
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$700.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$700.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$400.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$400.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.20M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.20M	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
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.70M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.70M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.20M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.20M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.50M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.50M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.70M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.70M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$44.40M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$44.40M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$46.50M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$46.50M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.40M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.40M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$44.90M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$44.90M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$42.30M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$42.30M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.20M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.20M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.70M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.70M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.40M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.40M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.70M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.70M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.10M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.10M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.40M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.40M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$109.70M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$109.70M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$53.30M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$53.30M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$31.50M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$31.50M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.70M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.70M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.60M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.60M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$42.20M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$42.20M	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$300.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$300.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$400.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$400.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$300.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$300.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$700.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$700.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$1.10M	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$1.10M	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$400.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$400.00K	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.90M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.90M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$5.60M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$5.60M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.50M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.40M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.40M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.42B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.44B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.53B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time

Comprehensive Income 80 line items

Line Item	Tag	Value	Unit	Period
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	1 Quarter
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.40M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
Net income	`ProfitLoss`	$26.60M	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$100.00K	USD	3 Qtrs
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$100.00K	USD	3 Qtrs
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$24.70M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
Net income	`ProfitLoss`	$131.60M	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	3 Qtrs
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	-	USD	3 Qtrs
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$117.40M	USD	1 Quarter
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$192.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$48.80M	USD	1 Quarter
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Net income	`ProfitLoss`	$182.60M	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$100.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$100.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$100.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$100.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net loss (net of tax of $0.0, $0.0, $0.0, and $(0.1), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	1 Quarter
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$100.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$100.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$200.00K	USD	1 Quarter
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$200.00K	USD	1 Quarter
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$900.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$900.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$-100.00K	USD	1 Quarter
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.0, $0.1, $0.0, and $0.3, respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$-100.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$700.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$700.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$400.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$400.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.20M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.20M	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
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.70M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.70M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.20M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.20M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.50M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.50M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$195.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$195.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$27.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$27.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$49.20M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$49.20M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$186.80M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$186.80M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.60M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.60M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.40M	USD	1 Quarter
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.40M	USD	1 Quarter
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.00M	USD	1 Quarter
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.00M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$25.10M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$25.10M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$45.80M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$45.80M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$179.20M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$179.20M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$185.20M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$185.20M	USD	3 Qtrs

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