10-K Filing

MDU RESOURCES GROUP INC CIK: 67716 FY 2022

Filing Information

Form Type	10-K
Accession Number	`0000067716-23-000017`
Period End Date	20221231
Filing Date	20230224
Fiscal Year	2022
Fiscal Period	FY
XBRL Instance	mdu-20221231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 98 Income Statement 69 Cash Flow Statement 119 Stockholders Equity 32 Comprehensive Income 51

Balance Sheet 98 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$66.46M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$54.16M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$59.55M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$80.52M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$946.74M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$1.31B	USD	Point-in-time
Inventories	`InventoryNet`	$387.52M	USD	Point-in-time
Inventories	`InventoryNet`	$335.61M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$165.09M	USD	Point-in-time
Current regulatory assets	`RegulatoryAssetsCurrent`	$118.69M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$72.97M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$95.74M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$2.01B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.55B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$9.36B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$8.97B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.13B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.22B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$3.27B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$5.76B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$5.17B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$6.09B	USD	Point-in-time
Goodwill	`Goodwill`	$763.50M	USD	Point-in-time
Goodwill	`Goodwill`	$714.96M	USD	Point-in-time
Goodwill	`Goodwill`	$765.39M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$17.53M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$22.58M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$357.85M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$329.66M	USD	Point-in-time
Investments	`LongTermInvestments`	$161.91M	USD	Point-in-time
Investments	`LongTermInvestments`	$175.48M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$124.14M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$119.38M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$165.51M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$157.68M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrent`	$7.36B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrent`	$7.65B	USD	Point-in-time
Total assets	`Assets`	$8.05B	USD	Point-in-time
Total assets	`Assets`	$9.66B	USD	Point-in-time
Total assets	`Assets`	$8.91B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$246.50M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$148.05M	USD	Point-in-time
Long-term debt due within one year	`LongTermDebtCurrent`	$78.03M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$478.93M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$657.17M	USD	Point-in-time
Taxes payable	`TaxesPayableCurrent`	$70.81M	USD	Point-in-time
Taxes payable	`TaxesPayableCurrent`	$80.37M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$45.24M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$44.23M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$81.90M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$88.66M	USD	Point-in-time
Operating lease liabilities due within one year	`OperatingLeaseLiabilityCurrent`	$34.52M	USD	Point-in-time
Operating lease liabilities due within one year	`OperatingLeaseLiabilityCurrent`	$35.37M	USD	Point-in-time
Regulatory liabilities due within one year	`RegulatoryLiabilityCurrent`	$26.44M	USD	Point-in-time
Regulatory liabilities due within one year	`RegulatoryLiabilityCurrent`	$16.30M	USD	Point-in-time
Other accrued liabilities	`OtherLiabilitiesCurrent`	$207.08M	USD	Point-in-time
Other accrued liabilities	`OtherLiabilitiesCurrent`	$232.23M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.48B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.09B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$2.76B	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$2.59B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$631.30M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$591.96M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$405.88M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$458.06M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$428.79M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$448.45M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$89.25M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$85.53M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$259.48M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$273.41M	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$4.59B	USD	Point-in-time
Total noncurrent liabilities	`LiabilitiesNoncurrent`	$4.44B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$203.89M	USD	Point-in-time
Common stock	`CommonStockValue`	$204.16M	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.47B	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.76B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.95B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.00M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.58M	USD	Point-in-time
Treasury stock at cost - 538,921 shares	`TreasuryStockCommonValue`	$3.63M	USD	Point-in-time
Treasury stock at cost - 538,921 shares	`TreasuryStockCommonValue`	$3.63M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.59B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.38B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$8.91B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$9.66B	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	500.00M	shares	Point-in-time
Common Stock, Par Value Per Share	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common Stock, Par Value Per Share	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	203.89M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	204.16M	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	538,921.00	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	538,921.00	shares	Point-in-time

Income Statement 69 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$5.53B	USD	Annual
Revenues	`Revenues`	$6.97B	USD	Annual
Revenues	`Revenues`	$5.68B	USD	Annual
Operation and maintenance:	`SellingGeneralAndAdministrativeExpense`	$4.98B	USD	Annual
Operation and maintenance:	`SellingGeneralAndAdministrativeExpense`	$4.03B	USD	Annual
Operation and maintenance:	`SellingGeneralAndAdministrativeExpense`	$4.08B	USD	Annual
Purchased natural gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$757.88M	USD	Annual
Purchased natural gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$483.12M	USD	Annual
Purchased natural gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$390.27M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$285.10M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$327.83M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$299.21M	USD	Annual
Taxes, other than income	`TaxesExcludingIncomeAndExciseTaxes`	$211.45M	USD	Annual
Taxes, other than income	`TaxesExcludingIncomeAndExciseTaxes`	$217.25M	USD	Annual
Taxes, other than income	`TaxesExcludingIncomeAndExciseTaxes`	$243.34M	USD	Annual
Electric fuel and purchased power	`UtilitiesOperatingExpensePurchasedPower`	$74.11M	USD	Annual
Electric fuel and purchased power	`UtilitiesOperatingExpensePurchasedPower`	$66.94M	USD	Annual
Electric fuel and purchased power	`UtilitiesOperatingExpensePurchasedPower`	$92.01M	USD	Annual
Operating expenses	`OperatingExpenses`	$5.15B	USD	Annual
Operating expenses	`OperatingExpenses`	$6.40B	USD	Annual
Operating expenses	`OperatingExpenses`	$4.99B	USD	Annual
Operating income	`OperatingIncomeLoss`	$534.22M	USD	Annual
Operating income	`OperatingIncomeLoss`	$573.95M	USD	Annual
Operating income	`OperatingIncomeLoss`	$544.92M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$26.71M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$7.38M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$26.42M	USD	Annual
Interest expense	`InterestExpense`	$93.98M	USD	Annual
Interest expense	`InterestExpense`	$96.52M	USD	Annual
Interest expense	`InterestExpense`	$119.27M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$462.06M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$475.12M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$466.65M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$84.59M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$94.78M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$88.92M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$367.28M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$377.73M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$390.53M	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$400.00K	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$213.00K	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-322.00K	USD	Annual
Net income	`NetIncomeLoss`	$378.13M	USD	Annual
Net income	`NetIncomeLoss`	$367.49M	USD	Annual
Net income	`NetIncomeLoss`	$390.20M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.87	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.81	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.95	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	-	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	-	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	-	USD	Annual
Earnings per share - basic	`EarningsPerShareBasic`	$1.81	USD	Annual
Earnings per share - basic	`EarningsPerShareBasic`	$1.95	USD	Annual
Earnings per share - basic	`EarningsPerShareBasic`	$1.87	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.81	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.87	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.95	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	-	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	-	USD	Annual
Discontinued operations, net of tax	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	-	USD	Annual
Earnings per share - diluted	`EarningsPerShareDiluted`	$1.81	USD	Annual
Earnings per share - diluted	`EarningsPerShareDiluted`	$1.95	USD	Annual
Earnings per share - diluted	`EarningsPerShareDiluted`	$1.87	USD	Annual
Weighted average common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	203.36M	shares	Annual
Weighted average common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	202.08M	shares	Annual
Weighted average common shares outstanding - basic	`WeightedAverageNumberOfSharesOutstandingBasic`	200.50M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	203.46M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	202.38M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	200.57M	shares	Annual

Cash Flow Statement 119 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$390.20M	USD	Annual
Net income	`NetIncomeLoss`	$367.49M	USD	Annual
Net income	`NetIncomeLoss`	$378.13M	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$400.00K	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$213.00K	USD	Annual
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-322.00K	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$367.28M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$377.73M	USD	Annual
Income from continuing operations	`IncomeLossFromContinuingOperations`	$390.53M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$285.10M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$327.83M	USD	Annual
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$299.21M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$60.25M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-1.80M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$23.33M	USD	Annual
Provision for credit losses	`ProvisionForDoubtfulAccounts`	$10.58M	USD	Annual
Provision for credit losses	`ProvisionForDoubtfulAccounts`	$1.08M	USD	Annual
Provision for credit losses	`ProvisionForDoubtfulAccounts`	$6.13M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.33M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$1.46M	USD	Annual
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.16M	USD	Annual
Employee stock-based compensation costs	`ShareBasedCompensation`	$14.71M	USD	Annual
Employee stock-based compensation costs	`ShareBasedCompensation`	$13.10M	USD	Annual
Employee stock-based compensation costs	`ShareBasedCompensation`	$10.25M	USD	Annual
Pension and postretirement benefit plan net periodic benefit credit	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-6.02M	USD	Annual
Pension and postretirement benefit plan net periodic benefit credit	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-4.90M	USD	Annual
Pension and postretirement benefit plan net periodic benefit credit	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$-3.00M	USD	Annual
Unrealized losses (gains) on investments	`UnrealizedGainLossOnInvestments`	$7.73M	USD	Annual
Unrealized losses (gains) on investments	`UnrealizedGainLossOnInvestments`	$-12.73M	USD	Annual
Unrealized losses (gains) on investments	`UnrealizedGainLossOnInvestments`	$14.56M	USD	Annual
Gains on sales of assets	`GainLossOnDispositionOfAssets1`	$13.06M	USD	Annual
Gains on sales of assets	`GainLossOnDispositionOfAssets1`	$15.35M	USD	Annual
Gains on sales of assets	`GainLossOnDispositionOfAssets1`	$20.72M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$2.78M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$363.31M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$60.02M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$46.59M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$7.22M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$42.30M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-31.60M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$71.96M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$9.36M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$186.28M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$15.25M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$15.96M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-17.65M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$35.59M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$27.01M	USD	Annual
Pension and postretirement benefit plan contributions	`PensionAndOtherPostretirementBenefitContributions`	$434.00K	USD	Annual
Pension and postretirement benefit plan contributions	`PensionAndOtherPostretirementBenefitContributions`	$476.00K	USD	Annual
Pension and postretirement benefit plan contributions	`PensionAndOtherPostretirementBenefitContributions`	$507.00K	USD	Annual
Other noncurrent changes	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-30.29M	USD	Annual
Other noncurrent changes	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$5.94M	USD	Annual
Other noncurrent changes	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$55.37M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$496.10M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$509.85M	USD	Annual
Net cash provided by continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$769.75M	USD	Annual
Net cash provided by (used in) discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$214.00K	USD	Annual
Net cash provided by (used in) discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-325.00K	USD	Annual
Net cash provided by (used in) discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-1.38M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$510.06M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$768.37M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$495.78M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$656.59M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$558.01M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$659.42M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$105.98M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$237.72M	USD	Annual
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-1.75M	USD	Annual
Net proceeds from sale or disposition of property and other	`ProceedsFromSaleOfProductiveAssets`	$35.56M	USD	Annual
Net proceeds from sale or disposition of property and other	`ProceedsFromSaleOfProductiveAssets`	$22.44M	USD	Annual
Net proceeds from sale or disposition of property and other	`ProceedsFromSaleOfProductiveAssets`	$15.24M	USD	Annual
Investments	`PaymentsForProceedsFromInvestments`	$3.97M	USD	Annual
Investments	`PaymentsForProceedsFromInvestments`	$1.81M	USD	Annual
Investments	`PaymentsForProceedsFromInvestments`	$6.48M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-885.88M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-630.24M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-638.88M	USD	Annual
Issuance of short-term borrowings	`ProceedsFromShortTermDebt`	$75.00M	USD	Annual
Issuance of short-term borrowings	`ProceedsFromShortTermDebt`	$50.00M	USD	Annual
Issuance of short-term borrowings	`ProceedsFromShortTermDebt`	$246.50M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	-	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$25.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$100.00M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$554.03M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$117.45M	USD	Annual
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$361.65M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$24.98M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$261.67M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$148.63M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$918.00K	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.94M	USD	Annual
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$477.00K	USD	Annual
Proceeds from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$3.38M	USD	Annual
Proceeds from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$88.77M	USD	Annual
Proceeds from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$-149.00K	USD	Annual
Dividends paid	`PaymentsOfDividends`	$176.91M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$171.35M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$166.41M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$6.70M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$7.40M	USD	Annual
Tax withholding on stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.90M	USD	Annual
Tax withholding on stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.13M	USD	Annual
Tax withholding on stock-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$362.00K	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$384.71M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-145.04M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$155.17M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$26.36M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-5.39M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-6.91M	USD	Annual
Cash and cash equivalents - beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$80.52M	USD	Point-in-time
Cash and cash equivalents - beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$66.46M	USD	Point-in-time
Cash and cash equivalents - beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$54.16M	USD	Point-in-time
Cash and cash equivalents - beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$59.55M	USD	Point-in-time
Cash and cash equivalents - end of year	`CashAndCashEquivalentsAtCarryingValue`	$54.16M	USD	Point-in-time
Cash and cash equivalents - end of year	`CashAndCashEquivalentsAtCarryingValue`	$59.55M	USD	Point-in-time
Cash and cash equivalents - end of year	`CashAndCashEquivalentsAtCarryingValue`	$66.46M	USD	Point-in-time
Cash and cash equivalents - end of year	`CashAndCashEquivalentsAtCarryingValue`	$80.52M	USD	Point-in-time

Stockholders Equity 32 line items

Line Item	Tag	Value	Unit	Period
Balance (in shares)	`CommonStockSharesIssued`	203.89M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	204.16M	shares	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.59B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.85B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.08B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.38B	USD	Point-in-time
Net income	`NetIncomeLoss`	$390.20M	USD	Annual
Net income	`NetIncomeLoss`	$367.49M	USD	Annual
Net income	`NetIncomeLoss`	$378.13M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$7.07M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$10.42M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-5.98M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$178.76M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$168.49M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$174.08M	USD	Annual
Employee stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$13.10M	USD	Annual
Employee stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$14.71M	USD	Annual
Employee stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$10.25M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$6.70M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$7.40M	USD	Annual
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.13M	USD	Annual
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$362.00K	USD	Annual
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$4.90M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$7.16M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$88.77M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$3.38M	USD	Annual
Balance (in shares)	`CommonStockSharesIssued`	203.89M	shares	Point-in-time
Balance (in shares)	`CommonStockSharesIssued`	204.16M	shares	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.08B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.59B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.85B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.38B	USD	Point-in-time

Comprehensive Income 51 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$390.20M	USD	Annual
Net income	`NetIncomeLoss`	$367.49M	USD	Annual
Net income	`NetIncomeLoss`	$378.13M	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-177.00K	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-145.00K	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-145.00K	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-446.00K	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-446.00K	USD	Annual
Reclassification adjustment for loss on derivative instruments included in net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-413.00K	USD	Annual
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$2.61M	USD	Annual
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-3.96M	USD	Annual
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-1.63M	USD	Annual
Postretirment liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$8.39M	USD	Annual
Postretirment liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-4.88M	USD	Annual
Postretirment liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-12.01M	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$597.00K	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$615.00K	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$630.00K	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$1.82M	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$1.92M	USD	Annual
Amortization of postretirement liability losses included in net periodic benefit credit, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$1.87M	USD	Annual
Reclassification of postretirement liability adjustment from regulatory asset, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetTax`	-	USD	Annual
Reclassification of postretirement liability adjustment from regulatory asset, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetTax`	$1.09M	USD	Annual
Reclassification of postretirement liability adjustment from regulatory asset, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetTax`	-	USD	Annual
Amounts reclassified to accumulated other comprehensive loss from a regulatory asset	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetNetOfTax`	-	USD	Annual
Amounts reclassified to accumulated other comprehensive loss from a regulatory asset	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetNetOfTax`	-	USD	Annual
Amounts reclassified to accumulated other comprehensive loss from a regulatory asset	`OtherComprehensiveIncomeLossReclassificationAdjustmentToAOCIPostretirementLiabilityAdjustmentFromRegulatoryAssetNetOfTax`	$-3.27M	USD	Annual
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-10.56M	USD	Annual
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.75M	USD	Annual
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$6.47M	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	-	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-177.00K	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-67.00K	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-667.00K	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.00K	USD	Annual
Net unrealized loss on available-for-sale investments arising during the period, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-252.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-36.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-14.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-31.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-134.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-114.00K	USD	Annual
Reclassification adjustment for loss on available-for-sale investments included in net income, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-52.00K	USD	Annual
Net unrealized (loss) gain on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-118.00K	USD	Annual
Net unrealized (loss) gain on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-553.00K	USD	Annual
Net unrealized (loss) gain on available-for-sale investments	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$51.00K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$7.07M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$10.42M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-5.98M	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$385.20M	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$377.91M	USD	Annual
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$384.23M	USD	Annual

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