10-K Filing

KIRBY CORP CIK: 56047 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0000950170-25-022012`
Period End Date	20241231
Filing Date	20250218
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	kex-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 180 Income Statement 108 Cash Flow Statement 226 Stockholders Equity 54 Comprehensive Income 42

Balance Sheet 180 line items

Line Item	Tag	Value	Unit	Period
Trade, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.64M	USD	Point-in-time
Trade, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.64M	USD	Point-in-time
Trade, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.32M	USD	Point-in-time
Trade, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.32M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.58M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$74.44M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$74.44M	USD	Point-in-time
Trade - less allowance for doubtful accounts of $7,321 ($7,636 in 2023)	`AccountsReceivableNetCurrent`	$489.86M	USD	Point-in-time
Trade - less allowance for doubtful accounts of $7,321 ($7,636 in 2023)	`AccountsReceivableNetCurrent`	$489.86M	USD	Point-in-time
Trade - less allowance for doubtful accounts of $7,321 ($7,636 in 2023)	`AccountsReceivableNetCurrent`	$526.69M	USD	Point-in-time
Trade - less allowance for doubtful accounts of $7,321 ($7,636 in 2023)	`AccountsReceivableNetCurrent`	$526.69M	USD	Point-in-time
Other	`OtherReceivables`	$46.89M	USD	Point-in-time
Other	`OtherReceivables`	$46.89M	USD	Point-in-time
Other	`OtherReceivables`	$52.02M	USD	Point-in-time
Other	`OtherReceivables`	$52.02M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Inventories - net	`InventoryNet`	$454.39M	USD	Point-in-time
Inventories - net	`InventoryNet`	$454.39M	USD	Point-in-time
Inventories - net	`InventoryNet`	$393.90M	USD	Point-in-time
Inventories - net	`InventoryNet`	$393.90M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$69.48M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$69.48M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$63.47M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$63.47M	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$1.07B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.07B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.14B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.14B	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	65.47M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	65.47M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	65.47M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	65.47M	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	6.84M	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	6.84M	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	8.21M	shares	Point-in-time
Treasury Stock, Common, Shares	`TreasuryStockCommonShares`	8.21M	shares	Point-in-time
Property and equipment - net	`PropertyPlantAndEquipmentNet`	$3.86B	USD	Point-in-time
Property and equipment - net	`PropertyPlantAndEquipmentNet`	$3.86B	USD	Point-in-time
Property and equipment - net	`PropertyPlantAndEquipmentNet`	$4.02B	USD	Point-in-time
Property and equipment - net	`PropertyPlantAndEquipmentNet`	$4.02B	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$158.99M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$158.99M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$152.22M	USD	Point-in-time
Operating lease right-of-use assets	`OperatingLeaseRightOfUseAsset`	$152.22M	USD	Point-in-time
Investment in affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.90M	USD	Point-in-time
Investment in affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.90M	USD	Point-in-time
Investment in affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.58M	USD	Point-in-time
Investment in affiliates	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$2.58M	USD	Point-in-time
Goodwill	`Goodwill`	$438.75M	USD	Point-in-time
Goodwill	`Goodwill`	$438.75M	USD	Point-in-time
Goodwill	`Goodwill`	$438.75M	USD	Point-in-time
Goodwill	`Goodwill`	$438.75M	USD	Point-in-time
Other intangibles, net	`FiniteLivedIntangibleAssetsNet`	$34.41M	USD	Point-in-time
Other intangibles, net	`FiniteLivedIntangibleAssetsNet`	$34.41M	USD	Point-in-time
Other intangibles, net	`FiniteLivedIntangibleAssetsNet`	$42.93M	USD	Point-in-time
Other intangibles, net	`FiniteLivedIntangibleAssetsNet`	$42.93M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$125.38M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$125.38M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$89.46M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$89.46M	USD	Point-in-time
Total assets	`Assets`	$5.85B	USD	Point-in-time
Total assets	`Assets`	$5.85B	USD	Point-in-time
Total assets	`Assets`	$5.72B	USD	Point-in-time
Total assets	`Assets`	$5.72B	USD	Point-in-time
Bank notes payable	`NotesPayableToBankCurrent`	$8.23M	USD	Point-in-time
Bank notes payable	`NotesPayableToBankCurrent`	$8.23M	USD	Point-in-time
Bank notes payable	`NotesPayableToBankCurrent`	$8.07M	USD	Point-in-time
Bank notes payable	`NotesPayableToBankCurrent`	$8.07M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$25.42M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$25.42M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$1.49M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$1.49M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$269.38M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$269.38M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$251.35M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$251.35M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$11.97M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$11.97M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$13.11M	USD	Point-in-time
Interest	`InterestPayableCurrent`	$13.11M	USD	Point-in-time
Insurance premiums and claims	`InsurancePremiumsAndClaims`	$84.83M	USD	Point-in-time
Insurance premiums and claims	`InsurancePremiumsAndClaims`	$84.83M	USD	Point-in-time
Insurance premiums and claims	`InsurancePremiumsAndClaims`	$88.43M	USD	Point-in-time
Insurance premiums and claims	`InsurancePremiumsAndClaims`	$88.43M	USD	Point-in-time
Employee compensation	`EmployeeRelatedLiabilitiesCurrent`	$68.30M	USD	Point-in-time
Employee compensation	`EmployeeRelatedLiabilitiesCurrent`	$68.30M	USD	Point-in-time
Employee compensation	`EmployeeRelatedLiabilitiesCurrent`	$69.08M	USD	Point-in-time
Employee compensation	`EmployeeRelatedLiabilitiesCurrent`	$69.08M	USD	Point-in-time
Taxes - other than on income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$35.85M	USD	Point-in-time
Taxes - other than on income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$35.85M	USD	Point-in-time
Taxes - other than on income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$31.55M	USD	Point-in-time
Taxes - other than on income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$31.55M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$30.38M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$30.38M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$32.25M	USD	Point-in-time
Other	`OtherAccruedLiabilitiesCurrent`	$32.25M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$33.34M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$33.34M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$35.73M	USD	Point-in-time
Current portion of operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$35.73M	USD	Point-in-time
Deferred revenues	`ContractWithCustomerLiabilityCurrent`	$177.22M	USD	Point-in-time
Deferred revenues	`ContractWithCustomerLiabilityCurrent`	$177.22M	USD	Point-in-time
Deferred revenues	`ContractWithCustomerLiabilityCurrent`	$134.58M	USD	Point-in-time
Deferred revenues	`ContractWithCustomerLiabilityCurrent`	$134.58M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$734.75M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$734.75M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$675.79M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$675.79M	USD	Point-in-time
Long-term debt, net - less current portion	`LongTermDebtNoncurrent`	$1.01B	USD	Point-in-time
Long-term debt, net - less current portion	`LongTermDebtNoncurrent`	$1.01B	USD	Point-in-time
Long-term debt, net - less current portion	`LongTermDebtNoncurrent`	$866.72M	USD	Point-in-time
Long-term debt, net - less current portion	`LongTermDebtNoncurrent`	$866.72M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$696.56M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$696.56M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$739.47M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$739.47M	USD	Point-in-time
Operating lease liabilities - less current portion	`OperatingLeaseLiabilityNoncurrent`	$148.17M	USD	Point-in-time
Operating lease liabilities - less current portion	`OperatingLeaseLiabilityNoncurrent`	$148.17M	USD	Point-in-time
Operating lease liabilities - less current portion	`OperatingLeaseLiabilityNoncurrent`	$138.81M	USD	Point-in-time
Operating lease liabilities - less current portion	`OperatingLeaseLiabilityNoncurrent`	$138.81M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$15.83M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$15.83M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$9.59M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$9.59M	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.86B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.86B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.76B	USD	Point-in-time
Total long-term liabilities	`LiabilitiesNoncurrent`	$1.76B	USD	Point-in-time
Contingencies and commitments	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock, $0.10 par value per share. Authorized 120,000,000 shares, issued 65,472,000	`CommonStockValue`	$6.55M	USD	Point-in-time
Common stock, $0.10 par value per share. Authorized 120,000,000 shares, issued 65,472,000	`CommonStockValue`	$6.55M	USD	Point-in-time
Common stock, $0.10 par value per share. Authorized 120,000,000 shares, issued 65,472,000	`CommonStockValue`	$6.55M	USD	Point-in-time
Common stock, $0.10 par value per share. Authorized 120,000,000 shares, issued 65,472,000	`CommonStockValue`	$6.55M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$868.76M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$868.76M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$863.96M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$863.96M	USD	Point-in-time
Accumulated other comprehensive income - net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$71.19M	USD	Point-in-time
Accumulated other comprehensive income - net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$71.19M	USD	Point-in-time
Accumulated other comprehensive income - net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$35.01M	USD	Point-in-time
Accumulated other comprehensive income - net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$35.01M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.98B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.98B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.69B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.69B	USD	Point-in-time
Treasury stock - at cost, 8,215,000 shares in 2024 and 6,843,000 shares in 2023	`TreasuryStockValue`	$411.75M	USD	Point-in-time
Treasury stock - at cost, 8,215,000 shares in 2024 and 6,843,000 shares in 2023	`TreasuryStockValue`	$411.75M	USD	Point-in-time
Treasury stock - at cost, 8,215,000 shares in 2024 and 6,843,000 shares in 2023	`TreasuryStockValue`	$573.06M	USD	Point-in-time
Treasury stock - at cost, 8,215,000 shares in 2024 and 6,843,000 shares in 2023	`TreasuryStockValue`	$573.06M	USD	Point-in-time
Total Kirby stockholders' equity	`StockholdersEquity`	$3.19B	USD	Point-in-time
Total Kirby stockholders' equity	`StockholdersEquity`	$3.19B	USD	Point-in-time
Total Kirby stockholders' equity	`StockholdersEquity`	$3.35B	USD	Point-in-time
Total Kirby stockholders' equity	`StockholdersEquity`	$3.35B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.25M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.25M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.44M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$1.44M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.72B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.72B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.85B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$5.85B	USD	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.78B	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$2.78B	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.09B	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.09B	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.27B	USD	Annual
Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$3.27B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.18B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.18B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.20B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.20B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.06B	USD	Annual
Costs of sales and operating expenses	`CostsOfSalesAndOperatingExpenses`	$2.06B	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$302.69M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$302.69M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$337.10M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$337.10M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$335.21M	USD	Annual
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$335.21M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$35.07M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$35.07M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$34.91M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$34.91M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$34.77M	USD	Annual
Taxes, other than on income	`TaxesExcludingIncomeAndExciseTaxes`	$34.77M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$211.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$211.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$240.32M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$240.32M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$201.44M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$201.44M	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	$56.30M	USD	Annual
Impairments	`AssetImpairmentCharges`	$56.30M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$5.01M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$5.01M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$8.28M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$8.28M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$2.21M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$2.21M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.59B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.59B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.87B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.87B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.76B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$2.76B	USD	Annual
Operating income	`OperatingIncomeLoss`	$335.09M	USD	Annual
Operating income	`OperatingIncomeLoss`	$335.09M	USD	Annual
Operating income	`OperatingIncomeLoss`	$399.10M	USD	Annual
Operating income	`OperatingIncomeLoss`	$399.10M	USD	Annual
Operating income	`OperatingIncomeLoss`	$192.89M	USD	Annual
Operating income	`OperatingIncomeLoss`	$192.89M	USD	Annual
Other income	`OtherNonoperatingIncome`	$11.04M	USD	Annual
Other income	`OtherNonoperatingIncome`	$11.04M	USD	Annual
Other income	`OtherNonoperatingIncome`	$16.68M	USD	Annual
Other income	`OtherNonoperatingIncome`	$16.68M	USD	Annual
Other income	`OtherNonoperatingIncome`	$12.79M	USD	Annual
Other income	`OtherNonoperatingIncome`	$12.79M	USD	Annual
Interest expense	`InterestExpense`	$44.59M	USD	Annual
Interest expense	`InterestExpense`	$44.59M	USD	Annual
Interest expense	`InterestExpense`	$52.01M	USD	Annual
Interest expense	`InterestExpense`	$52.01M	USD	Annual
Interest expense	`InterestExpense`	$49.13M	USD	Annual
Interest expense	`InterestExpense`	$49.13M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$164.97M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$164.97M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$294.12M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$294.12M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$362.76M	USD	Annual
Earnings before taxes on income	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$362.76M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$71.22M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$71.22M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$42.21M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$42.21M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$75.87M	USD	Annual
Provision for taxes on income	`IncomeTaxExpenseBenefit`	$75.87M	USD	Annual
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-30.00K	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-30.00K	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$189.00K	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$189.00K	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$470.00K	USD	Annual
Less: Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$470.00K	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$286.71M	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$286.71M	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$222.94M	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$222.94M	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$122.29M	USD	Annual
Net earnings attributable to Kirby	`NetIncomeLoss`	$122.29M	USD	Annual
Basic	`EarningsPerShareBasic`	$4.95	USD	Annual
Basic	`EarningsPerShareBasic`	$4.95	USD	Annual
Basic	`EarningsPerShareBasic`	$3.74	USD	Annual
Basic	`EarningsPerShareBasic`	$3.74	USD	Annual
Basic	`EarningsPerShareBasic`	$2.04	USD	Annual
Basic	`EarningsPerShareBasic`	$2.04	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.03	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.03	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.72	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.72	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.91	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.91	USD	Annual

Cash Flow Statement 226 line items

Line Item	Tag	Value	Unit	Period
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$211.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$211.16M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$240.32M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$240.32M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$201.44M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$201.44M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$1.18M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$1.18M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$402.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$402.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$2.21M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$2.21M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$37.78M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$37.78M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$65.30M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$65.30M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$31.39M	USD	Annual
Provision for deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$31.39M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$5.01M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$5.01M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$8.28M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$8.28M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$2.21M	USD	Annual
Gain on disposition of assets	`GainLossOnDispositionOfAssets`	$2.21M	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	-	USD	Annual
Impairments	`AssetImpairmentCharges`	$56.30M	USD	Annual
Impairments	`AssetImpairmentCharges`	$56.30M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$15.55M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$15.55M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$14.94M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$14.94M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$13.87M	USD	Annual
Amortization of share-based compensation	`ShareBasedCompensation`	$13.87M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$29.03M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$29.03M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$32.57M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$32.57M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$28.97M	USD	Annual
Amortization of major maintenance costs	`AmortizationOfMajorMaintenanceCosts`	$28.97M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-407.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-407.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$283.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$283.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$3.34M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$3.34M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-40.46M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-40.46M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$31.55M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$31.55M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$50.13M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$50.13M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-12.15M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-12.15M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$127.09M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$127.09M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-7.69M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$-7.69M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$27.80M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$27.80M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$18.54M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$18.54M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$37.69M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$37.69M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$1.98M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$1.98M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$71.60M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$71.60M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$23.79M	USD	Annual
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$23.79M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$76.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$76.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-18.27M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-18.27M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-11.16M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-11.16M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$31.70M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$31.70M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$46.36M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$46.36M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$5.10M	USD	Annual
Accrued and other liabilities	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$5.10M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$294.13M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$294.13M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$540.23M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$540.23M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$756.49M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$756.49M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$401.73M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$401.73M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$172.61M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$172.61M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$342.66M	USD	Annual
Capital expenditures	`PaymentsToAcquireProductiveAssets`	$342.66M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$77.86M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$77.86M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$3.90M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$3.90M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.50M	USD	Annual
Acquisitions of businesses and marine equipment, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$37.50M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$26.08M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$26.08M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$36.91M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$36.91M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$20.40M	USD	Annual
Proceeds from disposition of assets and other	`ProceedsFromSaleOfProductiveAssets`	$20.40M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-139.60M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-139.60M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-400.13M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-400.13M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-413.15M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-413.15M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$48.78M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$48.78M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$1.36M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$1.36M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-43.84M	USD	Annual
Borrowings (payments) on bank credit facilities, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-43.84M	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	$310.00M	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	$310.00M	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	$240.00M	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	$240.00M	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	-	USD	Annual
Borrowings on long-term debt	`ProceedsFromRepaymentsOfNotesPayable`	-	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$395.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$395.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$100.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$100.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$350.00M	USD	Annual
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$350.00M	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$3.00K	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$3.00K	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$1.25M	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$1.25M	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$1.98M	USD	Annual
Payment of debt issue costs	`PaymentsOfDebtIssuanceCosts`	$1.98M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$3.89M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$3.89M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$9.42M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$9.42M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$4.21M	USD	Annual
Proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$4.21M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.91M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.91M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.41M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.41M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.40M	USD	Annual
Payments related to tax withholding for share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.40M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$112.80M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$112.80M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$22.90M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$22.90M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$174.57M	USD	Annual
Treasury stock purchases	`PaymentsForRepurchaseOfCommonStock`	$174.57M	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$99.00K	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$99.00K	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$100.00K	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$100.00K	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$722.00K	USD	Annual
Return of investment to noncontrolling interests and other	`ReturnOfInvestmentToNoncontrollingInterests`	$722.00K	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-175.08M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-175.08M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-108.76M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-108.76M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-314.50M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-314.50M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$41.87M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$41.87M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$45.76M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$45.76M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-48.00M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-48.00M	USD	Annual
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.58M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.58M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$74.44M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$74.44M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.81M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.81M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.58M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.58M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.58M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.58M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$74.44M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$74.44M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.81M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$34.81M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.58M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.58M	USD	Point-in-time
Interest paid	`InterestPaidNet`	$49.32M	USD	Annual
Interest paid	`InterestPaidNet`	$49.32M	USD	Annual
Interest paid	`InterestPaidNet`	$49.06M	USD	Annual
Interest paid	`InterestPaidNet`	$49.06M	USD	Annual
Interest paid	`InterestPaidNet`	$42.82M	USD	Annual
Interest paid	`InterestPaidNet`	$42.82M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$2.55M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$2.55M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$19.57M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$19.57M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-65.79M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-65.79M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$45.98M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$45.98M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$44.23M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$44.23M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$43.95M	USD	Annual
Operating cash outflow from operating leases	`OperatingLeasePayments`	$43.95M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$3.00M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$3.00M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$-6.87M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$-6.87M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$9.57M	USD	Annual
Capital expenditures included in accounts payable	`CapitalExpendituresIncurredPaidAndNotYetPaid`	$9.57M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$22.80M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$22.80M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$53.55M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$53.55M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$39.15M	USD	Annual
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$39.15M	USD	Annual

Stockholders Equity 54 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$3.89M	USD	Annual
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$3.89M	USD	Annual
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$9.42M	USD	Annual
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$9.42M	USD	Annual
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$4.21M	USD	Annual
Stock option exercises	`StockIssuedDuringPeriodValueStockOptionsExercised`	$4.21M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.40M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.40M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.91M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.91M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.41M	USD	Annual
Tax withholdings on equity award vesting	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.41M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$14.94M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$14.94M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$13.87M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$13.87M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$15.55M	USD	Annual
Amortization of share-based compensation	`EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount`	$15.55M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$22.90M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$22.90M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$112.80M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$112.80M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$174.57M	USD	Annual
Treasury stock purchases	`TreasuryStockValueAcquiredCostMethod`	$174.57M	USD	Annual
Excise taxes on treasury stock purchases	`ExciseTaxesOnTreasuryStockPurchases`	$1.50M	USD	Annual
Excise taxes on treasury stock purchases	`ExciseTaxesOnTreasuryStockPurchases`	$1.50M	USD	Annual
Excise taxes on treasury stock purchases	`ExciseTaxesOnTreasuryStockPurchases`	$972.00K	USD	Annual
Excise taxes on treasury stock purchases	`ExciseTaxesOnTreasuryStockPurchases`	$972.00K	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$241.06M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$241.06M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$165.58M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$165.58M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$323.08M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$323.08M	USD	Annual
Return of investment to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.01M	USD	Annual
Return of investment to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$1.01M	USD	Annual
Return of investment to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$637.00K	USD	Annual
Return of investment to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$637.00K	USD	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.89B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.05B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.19B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.35B	USD	Point-in-time

Comprehensive Income 42 line items

Line Item	Tag	Value	Unit	Period
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$286.90M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$122.76M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Net earnings	`ProfitLoss`	$222.91M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-16.73M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-16.73M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-37.04M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-37.04M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-43.87M	USD	Annual
Pension and postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-43.87M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-857.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-857.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.05M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.05M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.43M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.43M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$42.82M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$42.82M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$36.19M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$36.19M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$18.15M	USD	Annual
Total other comprehensive income, net of taxes	`OtherComprehensiveIncomeLossNetOfTax`	$18.15M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$241.06M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$241.06M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$165.58M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$165.58M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$323.08M	USD	Annual
Total comprehensive income, net of taxes	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$323.08M	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-30.00K	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-30.00K	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$189.00K	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$189.00K	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$470.00K	USD	Annual
Net (earnings) loss attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$470.00K	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$165.11M	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$165.11M	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$322.89M	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$322.89M	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$241.09M	USD	Annual
Comprehensive income attributable to Kirby	`ComprehensiveIncomeNetOfTax`	$241.09M	USD	Annual

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