10-Q Filing

Knife River Corp CIK: 1955520 Q2 2023

Filing Information

Form Type	10-Q
Accession Number	`0001955520-23-000014`
Period End Date	20230630
Filing Date	20230808
Fiscal Year	2023
Fiscal Period	Q2
XBRL Instance	knf-20230630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 98 Income Statement 58 Cash Flow Statement 76 Stockholders Equity 44 Comprehensive Income 44

Balance Sheet 98 line items

Line Item	Tag	Value	Unit	Period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.09M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.71M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$68.49M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.85M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$418.62M	USD	Point-in-time
Receivables, net	`ReceivablesNetCurrent`	$210.16M	USD	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`ContractWithCustomerAssetNetCurrent`	$58.02M	USD	Point-in-time
Costs and estimated earnings in excess of billings on uncompleted contracts	`ContractWithCustomerAssetNetCurrent`	$31.14M	USD	Point-in-time
Due from related-party	`DueFromRelatedParty`	$16.05M	USD	Point-in-time
Due from related-party	`DueFromRelatedParty`	-	USD	Point-in-time
Inventories	`InventoryNet`	$374.38M	USD	Point-in-time
Inventories	`InventoryNet`	$323.28M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$17.85M	USD	Point-in-time
Prepayments and other current assets	`OtherAssetsCurrent`	$38.82M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$958.33M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$608.57M	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$2.49B	USD	Point-in-time
Property, plant and equipment	`PropertyPlantAndEquipmentGross`	$2.53B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.22B	USD	Point-in-time
Less accumulated depreciation, depletion and amortization	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.17B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$1.31B	USD	Point-in-time
Net property, plant and equipment	`PropertyPlantAndEquipmentNet`	$1.32B	USD	Point-in-time
Goodwill	`Goodwill`	$274.54M	USD	Point-in-time
Goodwill	`Goodwill`	$274.48M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$12.11M	USD	Point-in-time
Other intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$13.43M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$45.87M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$45.93M	USD	Point-in-time
Investments and other	`OtherAssetsNoncurrent`	$36.70M	USD	Point-in-time
Investments and other	`OtherAssetsNoncurrent`	$40.58M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrent`	$1.68B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrent`	$1.69B	USD	Point-in-time
Total assets	`Assets`	$2.64B	USD	Point-in-time
Total assets	`Assets`	$2.29B	USD	Point-in-time
Long-term debt - current portion	`LongTermDebtCurrent`	$211.00K	USD	Point-in-time
Long-term debt - current portion	`LongTermDebtCurrent`	$7.08M	USD	Point-in-time
Related-party notes payable - current portion	`RelatedPartyNotesPayableCurrentPortion`	$238.00M	USD	Point-in-time
Related-party notes payable - current portion	`RelatedPartyNotesPayableCurrentPortion`	-	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$174.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$87.37M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`ContractWithCustomerLiabilityCurrent`	$39.84M	USD	Point-in-time
Billings in excess of costs and estimated earnings on uncompleted contracts	`ContractWithCustomerLiabilityCurrent`	$44.59M	USD	Point-in-time
Taxes payable	`TaxesPayableCurrent`	$29.88M	USD	Point-in-time
Taxes payable	`TaxesPayableCurrent`	$8.50M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$29.19M	USD	Point-in-time
Accrued compensation	`EmployeeRelatedLiabilitiesCurrent`	$26.04M	USD	Point-in-time
Due to related-party	`DueToRelatedParty`	$20.29M	USD	Point-in-time
Due to related-party	`DueToRelatedParty`	-	USD	Point-in-time
Current operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$14.07M	USD	Point-in-time
Current operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$13.21M	USD	Point-in-time
Other accrued liabilities	`OtherLiabilitiesCurrent`	$80.28M	USD	Point-in-time
Other accrued liabilities	`OtherLiabilitiesCurrent`	$88.09M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$384.36M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$516.89M	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities	`LongTermDebtNoncurrent`	$832.05M	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities	`LongTermDebtNoncurrent`	$427.00K	USD	Point-in-time
Related-party notes payable	`RelatedPartyNotesPayable`	-	USD	Point-in-time
Related-party notes payable	`RelatedPartyNotesPayable`	$446.45M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$170.50M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$175.80M	USD	Point-in-time
Noncurrent operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$31.87M	USD	Point-in-time
Noncurrent operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$32.66M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$129.27M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$93.50M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.55B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.27B	USD	Point-in-time
Common stock	`CommonStockValue`	$800.00K	USD	Point-in-time
Common stock	`CommonStockValue`	$570.00K	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$611.56M	USD	Point-in-time
Other paid-in capital	`AdditionalPaidInCapitalCommonStock`	$549.11M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$498.53M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$494.66M	USD	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Value	`MDUResourcesCommonStockHeldBySubsidiaryAtCostValue`	$3.63M	USD	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Value	`MDUResourcesCommonStockHeldBySubsidiaryAtCostValue`	-	USD	Point-in-time
Treasury Stock, Common, Value	`TreasuryStockCommonValue`	$3.63M	USD	Point-in-time
Treasury Stock, Common, Value	`TreasuryStockCommonValue`	-	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.35M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-12.18M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$974.77M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$923.99M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$897.03M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.03B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$952.84M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.09B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$2.64B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$2.29B	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	300.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	80,000.00	shares	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$10.00	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	80,000.00	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	57.00M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	56.57M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	80,000.00	shares	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Shares	`MDUResourcesCommonStockHeldBySubsidiaryAtCostShares`	538,921.00	shares	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Shares	`MDUResourcesCommonStockHeldBySubsidiaryAtCostShares`	538,921.00	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	431,136.00	shares	Point-in-time

Income Statement 58 line items

Line Item	Tag	Value	Unit	Period
Revenues	`Revenues`	$711.81M	USD	1 Quarter
Revenues	`Revenues`	$785.19M	USD	1 Quarter
Revenues	`Revenues`	$1.02B	USD	2 Qtrs
Revenues	`Revenues`	$1.09B	USD	2 Qtrs
Cost of Revenue	`CostOfRevenue`	$936.01M	USD	2 Qtrs
Cost of Revenue	`CostOfRevenue`	$632.21M	USD	1 Quarter
Cost of Revenue	`CostOfRevenue`	$917.32M	USD	2 Qtrs
Cost of Revenue	`CostOfRevenue`	$608.47M	USD	1 Quarter
Gross profit	`GrossProfit`	$152.98M	USD	1 Quarter
Gross profit	`GrossProfit`	$157.08M	USD	2 Qtrs
Gross profit	`GrossProfit`	$104.45M	USD	2 Qtrs
Gross profit	`GrossProfit`	$103.34M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$42.93M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$88.65M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$108.11M	USD	2 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$59.45M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$48.97M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$60.41M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$15.80M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$93.53M	USD	1 Quarter
Interest expense	`InterestExpense`	$19.16M	USD	1 Quarter
Interest expense	`InterestExpense`	$7.42M	USD	1 Quarter
Interest expense	`InterestExpense`	$12.69M	USD	2 Qtrs
Interest expense	`InterestExpense`	$28.65M	USD	2 Qtrs
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-2.84M	USD	1 Quarter
Other income (expense)	`OtherNonoperatingIncomeExpense`	$2.48M	USD	1 Quarter
Other income (expense)	`OtherNonoperatingIncomeExpense`	$3.30M	USD	2 Qtrs
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-4.78M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$23.62M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$-1.67M	USD	2 Qtrs
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$76.86M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossAttributableToParent`	$50.14M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$8.11M	USD	2 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$11.58M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$20.02M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-217.00K	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$-41.32M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$15.52M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$-40.01M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$38.56M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-1.45M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$56.84M	USD	1 Quarter
Income (Loss) Per Share, Basic, Total	`EarningsPerShareBasic`	$1.00	USD	1 Quarter
Income (Loss) Per Share, Basic, Total	`EarningsPerShareBasic`	$0.68	USD	1 Quarter
Income (Loss) Per Share, Basic, Total	`EarningsPerShareBasic`	$-0.03	USD	2 Qtrs
Income (Loss) Per Share, Basic, Total	`EarningsPerShareBasic`	$0.27	USD	2 Qtrs
Income (Loss) Per Share, Diluted, Total	`EarningsPerShareDiluted`	$0.27	USD	2 Qtrs
Income (Loss) Per Share, Diluted, Total	`EarningsPerShareDiluted`	$0.68	USD	1 Quarter
Income (Loss) Per Share, Diluted, Total	`EarningsPerShareDiluted`	$1.00	USD	1 Quarter
Income (Loss) Per Share, Diluted, Total	`EarningsPerShareDiluted`	$-0.03	USD	2 Qtrs
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.57M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.57M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.57M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.57M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.60M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.58M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.57M	shares	2 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.57M	shares	1 Quarter

Cash Flow Statement 76 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-41.32M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$15.52M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$-40.01M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$38.56M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-1.45M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$56.84M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$60.76M	USD	2 Qtrs
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$29.75M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$31.13M	USD	1 Quarter
Depreciation, depletion and amortization	`DepreciationDepletionAndAmortization`	$58.10M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-5.36M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-975.00K	USD	2 Qtrs
Provision for credit losses	`ProvisionForDoubtfulAccounts`	$1.01M	USD	2 Qtrs
Provision for credit losses	`ProvisionForDoubtfulAccounts`	$-241.00K	USD	2 Qtrs
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$228.00K	USD	2 Qtrs
Amortization of debt issuance costs	`AmortizationOfFinancingCosts`	$2.06M	USD	2 Qtrs
Employee stock-based compensation costs	`ShareBasedCompensation`	$666.00K	USD	2 Qtrs
Employee stock-based compensation costs	`ShareBasedCompensation`	$665.00K	USD	2 Qtrs
Pension and postretirement benefit plan net periodic benefit cost	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$654.00K	USD	2 Qtrs
Pension and postretirement benefit plan net periodic benefit cost	`PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash`	$595.00K	USD	2 Qtrs
Unrealized (gains) losses on investments	`UnrealizedGainLossOnInvestments`	$1.28M	USD	2 Qtrs
Unrealized (gains) losses on investments	`UnrealizedGainLossOnInvestments`	$-2.63M	USD	2 Qtrs
Gains on sales of assets	`GainLossOnDispositionOfAssets1`	$2.50M	USD	2 Qtrs
Gains on sales of assets	`GainLossOnDispositionOfAssets1`	$3.36M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$215.16M	USD	2 Qtrs
Receivables	`IncreaseDecreaseInAccountsAndNotesReceivable`	$236.40M	USD	2 Qtrs
Due from related-party	`IncreaseDecreaseInDueFromRelatedParties`	$-16.05M	USD	2 Qtrs
Due from related-party	`IncreaseDecreaseInDueFromRelatedParties`	$-1.01M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$51.10M	USD	2 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$66.25M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$20.85M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$16.78M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$73.08M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayableTrade`	$102.57M	USD	2 Qtrs
Due to related-party	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$-7.31M	USD	2 Qtrs
Due to related-party	`IncreaseDecreaseInDueToRelatedPartiesCurrent`	$9.84M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$8.75M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$25.60M	USD	2 Qtrs
Pension and postretirement benefit plan contributions	`PensionAndOtherPostretirementBenefitContributions`	$292.00K	USD	2 Qtrs
Pension and postretirement benefit plan contributions	`PensionAndOtherPostretirementBenefitContributions`	$208.00K	USD	2 Qtrs
Other noncurrent changes	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-794.00K	USD	2 Qtrs
Other noncurrent changes	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-30.74M	USD	2 Qtrs
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-147.81M	USD	2 Qtrs
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-70.38M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$66.58M	USD	2 Qtrs
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$80.25M	USD	2 Qtrs
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$524.00K	USD	2 Qtrs
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	2 Qtrs
Net proceeds from sale or disposition of property and other	`ProceedsFromSaleOfProductiveAssets`	$4.29M	USD	2 Qtrs
Net proceeds from sale or disposition of property and other	`ProceedsFromSaleOfProductiveAssets`	$4.12M	USD	2 Qtrs
Investments	`PaymentsForProceedsFromInvestments`	$1.66M	USD	2 Qtrs
Investments	`PaymentsForProceedsFromInvestments`	$1.61M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-78.09M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-64.12M	USD	2 Qtrs
Issuance of current related-party notes, net	`ProceedsFromRepaymentsOfRelatedPartyDebtCurrent`	$100.00M	USD	2 Qtrs
Issuance of current related-party notes, net	`ProceedsFromRepaymentsOfRelatedPartyDebtCurrent`	-	USD	2 Qtrs
Issuance of long-term related-party notes, net	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$205.28M	USD	2 Qtrs
Issuance of long-term related-party notes, net	`ProceedsFromRepaymentsOfRelatedPartyDebt`	$154.92M	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	2 Qtrs
Issuance of long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$855.00M	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$127.00K	USD	2 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$147.00K	USD	2 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$749.00K	USD	2 Qtrs
Debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$16.64M	USD	2 Qtrs
Proceeds from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	2 Qtrs
Proceeds from issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$-26.00K	USD	2 Qtrs
Net transfers to Centennial	`NetTransfersToFromParent`	$850.59M	USD	2 Qtrs
Net transfers to Centennial	`NetTransfersToFromParent`	$29.26M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$224.77M	USD	2 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$192.89M	USD	2 Qtrs
Increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$58.40M	USD	2 Qtrs
Increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-1.14M	USD	2 Qtrs
Cash, cash equivalents and restricted cash -- end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$12.71M	USD	Point-in-time
Cash, cash equivalents and restricted cash -- end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$68.49M	USD	Point-in-time
Cash, cash equivalents and restricted cash -- end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.09M	USD	Point-in-time
Cash, cash equivalents and restricted cash -- end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$13.85M	USD	Point-in-time

Stockholders Equity 44 line items

Line Item	Tag	Value	Unit	Period
Common stock balance (in shares)	`CommonStockSharesIssued`	80,000.00	shares	Point-in-time
Common stock balance (in shares)	`CommonStockSharesIssued`	57.00M	shares	Point-in-time
Balance	`StockholdersEquity`	$923.99M	USD	Point-in-time
Balance	`StockholdersEquity`	$897.03M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.03B	USD	Point-in-time
Balance	`StockholdersEquity`	$952.84M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.09B	USD	Point-in-time
Balance	`StockholdersEquity`	$974.77M	USD	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Shares	`MDUResourcesCommonStockHeldBySubsidiaryAtCostShares`	538,921.00	shares	Point-in-time
MDU Resources Common Stock Held by Subsidiary at Cost, Shares	`MDUResourcesCommonStockHeldBySubsidiaryAtCostShares`	538,921.00	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	431,136.00	shares	Point-in-time
Net income (loss)	`NetIncomeLoss`	$-41.32M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$15.52M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$-40.01M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$38.56M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-1.45M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$56.84M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$75.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$6.42M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$303.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$168.00K	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$6.12M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$93.00K	USD	1 Quarter
APIC, Share-Based Payment Arrangement, Recognition and Exercise	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$306.00K	USD	1 Quarter
APIC, Share-Based Payment Arrangement, Recognition and Exercise	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$226.00K	USD	1 Quarter
APIC, Share-Based Payment Arrangement, Recognition and Exercise	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$414.00K	USD	1 Quarter
APIC, Share-Based Payment Arrangement, Recognition and Exercise	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions`	$306.00K	USD	1 Quarter
Transfer of parent stock held by subsidiary, Value	`TransferOfParentStockHeldBySubsidiaryValue`	$3.63M	USD	1 Quarter
Treasury Stock, Value, Acquired, Cost Method	`TreasuryStockValueAcquiredCostMethod`	$3.63M	USD	1 Quarter
Stock Redeemed or Called During Period, Value	`StockRedeemedOrCalledDuringPeriodValue`	-	USD	1 Quarter
Stock Issued During Period, Value, New Issues	`StockIssuedDuringPeriodValueNewIssues`	$26.00K	USD	1 Quarter
Equity net transfers to (from) Parent	`EquityNetTransfersToFromCentennial`	$-16.41M	USD	1 Quarter
Equity net transfers to (from) Parent	`EquityNetTransfersToFromCentennial`	$62.97M	USD	1 Quarter
Equity net transfers to (from) Parent	`EquityNetTransfersToFromCentennial`	$-13.01M	USD	1 Quarter
Equity net transfers to (from) Parent	`EquityNetTransfersToFromCentennial`	$-18.04M	USD	1 Quarter
Common stock balance (in shares)	`CommonStockSharesIssued`	80,000.00	shares	Point-in-time
Common stock balance (in shares)	`CommonStockSharesIssued`	57.00M	shares	Point-in-time
Balance	`StockholdersEquity`	$974.77M	USD	Point-in-time
Balance	`StockholdersEquity`	$923.99M	USD	Point-in-time
Balance	`StockholdersEquity`	$897.03M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.03B	USD	Point-in-time
Balance	`StockholdersEquity`	$952.84M	USD	Point-in-time
Balance	`StockholdersEquity`	$1.09B	USD	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	431,136.00	shares	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$-41.32M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$15.52M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$-40.01M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$38.56M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-1.45M	USD	2 Qtrs
Net income (loss)	`NetIncomeLoss`	$56.84M	USD	1 Quarter
Reclassification adjustment for loss on derivative instruments included in net income (loss), tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-28.00K	USD	2 Qtrs
Reclassification adjustment for loss on derivative instruments included in net income (loss), tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-54.00K	USD	2 Qtrs
Reclassification adjustment for loss on derivative instruments included in net income (loss), tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-27.00K	USD	1 Quarter
Reclassification adjustment for loss on derivative instruments included in net income (loss), tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-13.00K	USD	1 Quarter
Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-44.00K	USD	1 Quarter
Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-82.00K	USD	1 Quarter
Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-164.00K	USD	2 Qtrs
Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-90.00K	USD	2 Qtrs
Postretirement liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-5.82M	USD	2 Qtrs
Postretirement liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$17.00K	USD	1 Quarter
Postretirement liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$-5.82M	USD	1 Quarter
Postretirement liability gains (losses) arising during the period, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax`	$17.00K	USD	2 Qtrs
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-1.88M	USD	2 Qtrs
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$6.00K	USD	1 Quarter
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$-1.88M	USD	1 Quarter
Postretirement liability gains (losses) arising during the period, tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax`	$6.00K	USD	2 Qtrs
Amortization of postretirement liability losses included in net periodic benefit cost, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$71.00K	USD	1 Quarter
Amortization of postretirement liability losses included in net periodic benefit cost, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$15.00K	USD	1 Quarter
Amortization of postretirement liability losses included in net periodic benefit cost, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$142.00K	USD	2 Qtrs
Amortization of postretirement liability losses included in net periodic benefit cost, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax`	$31.00K	USD	2 Qtrs
Amortization of postretirement liability losses included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$48.00K	USD	1 Quarter
Amortization of postretirement liability losses included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$441.00K	USD	2 Qtrs
Amortization of postretirement liability losses included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$95.00K	USD	2 Qtrs
Amortization of postretirement liability losses included in net periodic benefit cost, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$220.00K	USD	1 Quarter
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-31.00K	USD	1 Quarter
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.26M	USD	2 Qtrs
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-78.00K	USD	2 Qtrs
Postretirement liability adjustment	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.04M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$6.12M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$168.00K	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$93.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$6.42M	USD	2 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$303.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$75.00K	USD	1 Quarter
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$56.91M	USD	1 Quarter
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$4.98M	USD	2 Qtrs
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$15.68M	USD	2 Qtrs
Comprehensive income attributable to common stockholders	`ComprehensiveIncomeNetOfTax`	$44.68M	USD	1 Quarter

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