10-Q Filing

BLACK HILLS CORP /SD/ CIK: 1130464 Q3 2023

Filing Information

Form Type	10-Q
Accession Number	`0000950170-23-057904`
Period End Date	20230930
Filing Date	20231102
Fiscal Year	2023
Fiscal Period	Q3
XBRL Instance	bkh-20230930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 98 Income Statement 84 Cash Flow Statement 70 Stockholders Equity 67 Comprehensive Income 48

Balance Sheet 98 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, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$594.29M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$21.43M	USD	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	68.05M	shares	Point-in-time
Common stock, shares, issued	`CommonStockSharesIssued`	66.14M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	54,428.00	shares	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$6.21M	USD	Point-in-time
Restricted cash and equivalents	`RestrictedCashAndInvestmentsCurrent`	$5.55M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	36,726.00	shares	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$228.83M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$508.19M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$168.08M	USD	Point-in-time
Materials, supplies and fuel	`InventoryNet`	$207.42M	USD	Point-in-time
Derivative assets, current	`DerivativeAssetsCurrent`	$582.00K	USD	Point-in-time
Derivative assets, current	`DerivativeAssetsCurrent`	$126.00K	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$17.64M	USD	Point-in-time
Income tax receivable, net	`IncomeTaxesReceivable`	$17.75M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$191.75M	USD	Point-in-time
Regulatory assets, current	`RegulatoryAssetsCurrent`	$260.31M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$50.58M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$33.24M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.07B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.24B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$8.77B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$8.37B	USD	Point-in-time
Less accumulated depreciation and depletion	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.58B	USD	Point-in-time
Less accumulated depreciation and depletion	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.76B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$6.80B	USD	Point-in-time
Total property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$7.01B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Goodwill	`Goodwill`	$1.30B	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.71M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$9.59M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$392.67M	USD	Point-in-time
Regulatory assets, non-current	`RegulatoryAssetsNoncurrent`	$313.11M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$46.86M	USD	Point-in-time
Other assets, non-current	`OtherAssetsNoncurrent`	$59.03M	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.68B	USD	Point-in-time
Total other assets, non-current	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.75B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.93B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$9.62B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$310.02M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$124.03M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$243.46M	USD	Point-in-time
Accrued liabilities	`AccruedLiabilitiesCurrent`	$257.46M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$2.19M	USD	Point-in-time
Derivative liabilities, current	`DerivativeLiabilitiesCurrent`	$6.60M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$46.01M	USD	Point-in-time
Regulatory liabilities, current	`RegulatoryLiabilityCurrent`	$93.99M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	$535.60M	USD	Point-in-time
Notes payable	`ShortTermBorrowings`	-	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$525.00M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$1.12B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.67B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.60B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$3.61B	USD	Point-in-time
Long-term debt, net of current maturities	`LongTermDebtNoncurrent`	$3.80B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$508.94M	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$530.99M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$468.97M	USD	Point-in-time
Regulatory liabilities, non-current	`RegulatoryLiabilityNoncurrent`	$472.56M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$116.74M	USD	Point-in-time
Benefit plan liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$119.05M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$152.17M	USD	Point-in-time
Other deferred credits and other liabilities	`OtherLiabilitiesNoncurrent`	$156.06M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.25B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.27B	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 68,046,262 and 66,140,396 shares, respectively	`CommonStockValue`	$66.14M	USD	Point-in-time
Common stock $1 par value; 100,000,000 shares authorized; issued 68,046,262 and 66,140,396 shares, respectively	`CommonStockValue`	$68.05M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.88B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.99B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.06B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.12B	USD	Point-in-time
Treasury stock, at cost - 54,428 and 36,726 shares, respectively	`TreasuryStockValue`	$2.44M	USD	Point-in-time
Treasury stock, at cost - 54,428 and 36,726 shares, respectively	`TreasuryStockValue`	$3.46M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.91M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-20.39M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-15.57M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-20.08M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$3.17B	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$2.99B	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$92.25M	USD	Point-in-time
Non-controlling interest	`NoncontrollingInterestInVariableInterestEntity`	$94.98M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.93B	USD	Point-in-time
TOTAL LIABILITIES AND TOTAL EQUITY	`LiabilitiesAndStockholdersEquity`	$9.62B	USD	Point-in-time

Income Statement 84 line items

Line Item	Tag	Value	Unit	Period
Revenue	`Revenues`	$407.13M	USD	1 Quarter
Revenue	`Revenues`	$462.61M	USD	1 Quarter
Revenue	`Revenues`	$1.74B	USD	3 Qtrs
Revenue	`Revenues`	$1.76B	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$168.53M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$793.63M	USD	3 Qtrs
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$102.24M	USD	1 Quarter
Fuel, purchased power and cost of natural gas sold	`FuelPurchasedPowerAndCostOfGasSold`	$749.75M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$134.45M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$403.55M	USD	3 Qtrs
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$125.77M	USD	1 Quarter
Operations and maintenance	`OperatingExpenseMaintenanceOperationsandOtherCostsandExpense`	$412.52M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$191.24M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$188.61M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.02M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.88M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.13M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$49.89M	USD	3 Qtrs
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$16.47M	USD	1 Quarter
Taxes - property and production	`TaxesExcludingIncomeAndExciseTaxes`	$49.37M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$309.36M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$1.40B	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$383.13M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$1.44B	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$336.17M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$97.77M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$325.22M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$79.48M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$44.48M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$40.58M	USD	1 Quarter
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$131.81M	USD	3 Qtrs
Interest expense incurred net of amounts capitalized	`InterestCostsIncurred`	$118.45M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$3.48M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$5.79M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$1.13M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$561.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$464.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-647.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.51M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$2.73M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-39.55M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-114.60M	USD	3 Qtrs
Total other income (expense)	`NonoperatingIncomeExpense`	$-41.65M	USD	1 Quarter
Total other income (expense)	`NonoperatingIncomeExpense`	$-127.54M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$56.13M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$39.92M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$210.62M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$208.63M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$15.92M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$2.09M	USD	1 Quarter
Income tax (expense)	`IncomeTaxExpenseBenefit`	$15.95M	USD	3 Qtrs
Income tax (expense)	`IncomeTaxExpenseBenefit`	$7.37M	USD	1 Quarter
Net income	`ProfitLoss`	$194.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$37.83M	USD	1 Quarter
Net income	`ProfitLoss`	$35.85M	USD	1 Quarter
Net income	`ProfitLoss`	$48.76M	USD	1 Quarter
Net income	`ProfitLoss`	$192.68M	USD	3 Qtrs
Net income	`ProfitLoss`	$117.38M	USD	1 Quarter
Net income	`ProfitLoss`	$121.02M	USD	1 Quarter
Net income	`ProfitLoss`	$26.54M	USD	1 Quarter
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.16M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.86M	USD	1 Quarter
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.79M	USD	3 Qtrs
Net income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.38M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$34.97M	USD	1 Quarter
Net income available for common stock	`NetIncomeLoss`	$185.91M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLoss`	$182.52M	USD	3 Qtrs
Net income available for common stock	`NetIncomeLoss`	$45.38M	USD	1 Quarter
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$2.87	USD	3 Qtrs
Earnings per share, Basic (usd per share)	`EarningsPerShareBasic`	$0.54	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, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.67	USD	1 Quarter
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.86	USD	3 Qtrs
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$0.54	USD	1 Quarter
Earnings per share, Diluted (usd per share)	`EarningsPerShareDiluted`	$2.74	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	64.88M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	67.31M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	64.72M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	66.65M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	64.91M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	66.72M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.39M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.06M	shares	1 Quarter

Cash Flow Statement 70 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$194.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$37.83M	USD	1 Quarter
Net income	`ProfitLoss`	$35.85M	USD	1 Quarter
Net income	`ProfitLoss`	$48.76M	USD	1 Quarter
Net income	`ProfitLoss`	$192.68M	USD	3 Qtrs
Net income	`ProfitLoss`	$117.38M	USD	1 Quarter
Net income	`ProfitLoss`	$121.02M	USD	1 Quarter
Net income	`ProfitLoss`	$26.54M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$191.24M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$188.61M	USD	3 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.02M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$64.88M	USD	1 Quarter
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$7.43M	USD	3 Qtrs
Deferred financing cost amortization	`AmortizationOfFinancingCostsAndDiscounts`	$6.93M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$4.56M	USD	3 Qtrs
Stock compensation	`ShareBasedCompensation`	$6.78M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$16.11M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$16.06M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$2.68M	USD	3 Qtrs
Employee benefit plans	`PensionAndOtherPostretirementBenefitExpense`	$7.93M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$6.10M	USD	3 Qtrs
Other adjustments, net	`OtherNoncashIncomeExpense`	$10.24M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$-43.55M	USD	3 Qtrs
Materials, supplies and fuel	`IncreaseDecreaseInInventories`	$88.41M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-302.76M	USD	3 Qtrs
Accounts receivable and other current assets	`IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets`	$-64.28M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-186.50M	USD	3 Qtrs
Accounts payable and other current liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$5.96M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-118.33M	USD	3 Qtrs
Regulatory assets	`IncreaseDecreaseInOtherRegulatoryAssets`	$-199.09M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$11.90M	USD	3 Qtrs
Other operating activities, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$16.20M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$494.29M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$756.05M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$421.77M	USD	3 Qtrs
Property, plant and equipment additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$466.30M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-17.98M	USD	3 Qtrs
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$19.00K	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-466.32M	USD	3 Qtrs
Net cash (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-403.79M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$125.45M	USD	3 Qtrs
Dividends paid on common stock	`PaymentsOfDividends`	$115.85M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$20.03M	USD	3 Qtrs
Common stock issued	`ProceedsFromIssuanceOfCommonStock`	$107.38M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$81.17M	USD	3 Qtrs
Net borrowings (payments) of Revolving Credit Facility and CP Program	`NetPaymentsBorrowingsOfRevolvingCreditFacilityAndCommercialPaperProgram`	$-535.60M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	$800.00M	USD	3 Qtrs
Long-term debt - issuance	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$12.89M	USD	3 Qtrs
Distributions to non-controlling interests	`PaymentsToMinorityShareholders`	$11.68M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-12.19M	USD	3 Qtrs
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.65M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-24.68M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$221.25M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$3.28M	USD	3 Qtrs
Net change in cash, restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$573.52M	USD	3 Qtrs
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$17.09M	USD	Point-in-time
Cash, restricted cash and cash equivalents beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.81M	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`	$26.98M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$17.09M	USD	Point-in-time
Cash, restricted cash and cash equivalents end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.81M	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`	$26.98M	USD	Point-in-time
Interest (net of amounts capitalized)	`InterestPaidNet`	$108.81M	USD	3 Qtrs
Interest (net of amounts capitalized)	`InterestPaidNet`	$98.23M	USD	3 Qtrs
Income taxes	`IncomeTaxesPaidNet`	$-746.00K	USD	3 Qtrs
Income taxes	`IncomeTaxesPaidNet`	$-51.00K	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$52.98M	USD	3 Qtrs
Accrued property, plant and equipment purchases at September 30,	`CapitalExpendituresIncurredButNotYetPaid`	$42.69M	USD	3 Qtrs

Stockholders Equity 67 line items

Line Item	Tag	Value	Unit	Period
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.59	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`	$0.62	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.59	USD	1 Quarter
Dividends on common stock (usd per share)	`CommonStockDividendsPerShareCashPaid`	$0.59	USD	1 Quarter
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time
Net income	`ProfitLoss`	$194.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$37.83M	USD	1 Quarter
Net income	`ProfitLoss`	$35.85M	USD	1 Quarter
Net income	`ProfitLoss`	$48.76M	USD	1 Quarter
Net income	`ProfitLoss`	$192.68M	USD	3 Qtrs
Net income	`ProfitLoss`	$117.38M	USD	1 Quarter
Net income	`ProfitLoss`	$121.02M	USD	1 Quarter
Net income	`ProfitLoss`	$26.54M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$405.00K	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.74M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.03M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.22M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-305.00K	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.66M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.43M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$38.71M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.36M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$38.53M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$38.60M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$42.33M	USD	1 Quarter
Dividends on common stock	`DividendsCommonStockCash`	$41.75M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.16M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.43M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$5.15M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$1.71M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.03M	USD	1 Quarter
Share-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.55M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$3.83M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$53.36M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.71M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.72M	USD	1 Quarter
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$16.57M	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$266.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$41.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$68.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$404.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$336.00K	USD	1 Quarter
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$673.00K	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.87M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.52M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.07M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.49M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.18M	USD	1 Quarter
Distributions to non-controlling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.42M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.97B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.09B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.26B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.98B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$179.00K	USD	3 Qtrs
Net income	`ProfitLoss`	$194.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$37.83M	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$19.00K	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$66.00K	USD	1 Quarter
Net income	`ProfitLoss`	$35.85M	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - net loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$62.00K	USD	3 Qtrs
Net income	`ProfitLoss`	$48.76M	USD	1 Quarter
Net income	`ProfitLoss`	$192.68M	USD	3 Qtrs
Net income	`ProfitLoss`	$117.38M	USD	1 Quarter
Net income	`ProfitLoss`	$121.02M	USD	1 Quarter
Net income	`ProfitLoss`	$26.54M	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	3 Qtrs
(Tax) benefit on reclassification adjustment of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$22.00K	USD	3 Qtrs
(Tax) benefit on reclassification adjustment of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$8.00K	USD	1 Quarter
(Tax) benefit on reclassification adjustment of benefit plan liability - prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	-	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost (net of tax of $--, $8, $-- and $22, respectively)	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost (net of tax of $--, $8, $-- and $22, respectively)	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-48.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - prior service cost (net of tax of $--, $8, $-- and $22, respectively)	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$-16.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - prior service cost (net of tax of $--, $8, $-- and $22, respectively)	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	-	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $(19), $(66), $(62) and $(179), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-384.00K	USD	3 Qtrs
Reclassification adjustments of benefit plan liability - net loss (net of tax of $(19), $(66), $(62) and $(179), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-24.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net loss (net of tax of $(19), $(66), $(62) and $(179), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-122.00K	USD	1 Quarter
Reclassification adjustments of benefit plan liability - net loss (net of tax of $(19), $(66), $(62) and $(179), respectively)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-67.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $58, $(559), $291 and $(165), respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$-509.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $58, $(559), $291 and $(165), respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$195.00K	USD	1 Quarter
Net unrealized gains (losses) on commodity derivatives (net of tax of $58, $(559), $291 and $(165), respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$937.00K	USD	3 Qtrs
Net unrealized gains (losses) on commodity derivatives (net of tax of $58, $(559), $291 and $(165), respectively)	`OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax`	$-1.78M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.00K	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$405.00K	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.74M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.03M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.22M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-305.00K	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.66M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.43M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$49.16M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$195.34M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$194.40M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$40.26M	USD	1 Quarter
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.16M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.86M	USD	1 Quarter
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.79M	USD	3 Qtrs
Less: comprehensive income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.38M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$37.40M	USD	1 Quarter
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$185.61M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$185.18M	USD	3 Qtrs
Comprehensive income available for common stock	`ComprehensiveIncomeNetOfTax`	$45.79M	USD	1 Quarter

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