10-Q/A Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 Q3 2013

Filing Information

Form Type	10-Q/A
Accession Number	`0000859598-14-000027`
Period End Date	20130930
Filing Date	20140307
Fiscal Year	2013
Fiscal Period	Q3
XBRL Instance	ckh-20130930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 109 Income Statement 140 Cash Flow Statement 64 Stockholders Equity 30 Comprehensive Income 46

Balance Sheet 109 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$920.00K	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$198.07M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$332.77M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$20.89M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$28.29M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$21.67M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$25.66M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.17M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	36.74M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	16.85M	shares	Point-in-time
Trade, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$224.94M	USD	Point-in-time
Trade, net of allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$211.85M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	16.84M	shares	Point-in-time
Other Receivables	`OtherReceivablesNetCurrent`	$45.33M	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Other Receivables	`OtherReceivablesNetCurrent`	$39.77M	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Inventories	`InventoryNet`	$25.44M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Inventories	`InventoryNet`	$25.79M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$3.53M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$3.53M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$10.75M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$12.72M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$108.15M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$670.66M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$718.62M	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$2.21B	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$2.24B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$763.80M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$835.60M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentNetInService`	$1.47B	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentNetInService`	$1.37B	USD	Point-in-time
Construction in Progress, Gross	`ConstructionInProgressGross`	$129.48M	USD	Point-in-time
Construction in Progress, Gross	`ConstructionInProgressGross`	$110.30M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.58B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.50B	USD	Point-in-time
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$272.54M	USD	Point-in-time
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$365.89M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$229.02M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$195.63M	USD	Point-in-time
Goodwill	`Goodwill`	$17.98M	USD	Point-in-time
Goodwill	`Goodwill`	$17.98M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$13.58M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$15.30M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$55.12M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$52.39M	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$840.72M	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Total assets	`Assets`	$3.70B	USD	Point-in-time
Total assets	`Assets`	$2.85B	USD	Point-in-time
Total assets	`Assets`	$3.92B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$21.92M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$26.97M	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$11.00K	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$2.90M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$107.89M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$73.06M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$93.09M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$124.78M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$39.84M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$265.64M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$224.82M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$675.21M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$655.31M	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$22.00K	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$59.00K	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$426.03M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$437.44M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$133.50M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$120.34M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$490.74M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Total liabilities	`Liabilities`	$1.47B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.96B	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 37,168,978 and 36,740,324 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$372.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 37,168,978 and 36,740,324 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$367.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.33B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.36B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.09B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.47B	USD	Point-in-time
Treasury Stock, Value	`TreasuryStockValue`	$1.09B	USD	Point-in-time
Treasury Stock, Value	`TreasuryStockValue`	$1.09B	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss), Net of Tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.81M	USD	Point-in-time
Accumulated Other Comprehensive Income (Loss), Net of Tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.99M	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.71B	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.36B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$25.24M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$29.02M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.38B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.70B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$2.85B	USD	Point-in-time

Income Statement 140 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$919.41M	USD	3 Qtrs
Operating Revenues	`Revenues`	$338.86M	USD	1 Quarter
Operating Revenues	`Revenues`	$336.78M	USD	1 Quarter
Operating Revenues	`Revenues`	$945.93M	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$706.97M	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$239.54M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$254.00M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$680.57M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$110.80M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$39.51M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$31.46M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$101.83M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$97.27M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$34.35M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$33.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$100.83M	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$327.86M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$304.51M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$915.04M	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$883.23M	USD	3 Qtrs
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$33.55M	USD	3 Qtrs
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$16.18M	USD	3 Qtrs
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$9.06M	USD	1 Quarter
Gain (Loss) on Sale of Assets and Asset Impairment Charges	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$19.23M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$51.51M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$20.06M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$47.07M	USD	3 Qtrs
Operating Income (Loss)	`OperatingIncomeLoss`	$69.73M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$4.28M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.89M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$13.93M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$10.66M	USD	3 Qtrs
Interest expense	`InterestExpense`	$10.52M	USD	1 Quarter
Interest expense	`InterestExpense`	$31.28M	USD	3 Qtrs
Interest expense	`InterestExpense`	$10.08M	USD	1 Quarter
Interest expense	`InterestExpense`	$30.07M	USD	3 Qtrs
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-160.00K	USD	3 Qtrs
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$-1.73M	USD	1 Quarter
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$9.40M	USD	3 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$13.22M	USD	3 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$-1.15M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.03M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.23M	USD	3 Qtrs
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.43M	USD	3 Qtrs
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-303.00K	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$2.23M	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.67M	USD	3 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-2.70M	USD	3 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.03M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$675.00K	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$7.10M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$477.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$7.46M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-1.82M	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-4.99M	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-16.47M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$3.60M	USD	3 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$50.67M	USD	3 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$46.52M	USD	1 Quarter
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$53.26M	USD	3 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$18.24M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$20.41M	USD	3 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$21.31M	USD	3 Qtrs
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$15.98M	USD	1 Quarter
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$7.70M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$30.26M	USD	3 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$10.54M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$31.96M	USD	3 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$30.54M	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$-1.30M	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$6.66M	USD	3 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$7.07M	USD	3 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$230.00K	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$30.77M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$36.92M	USD	3 Qtrs
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$39.03M	USD	3 Qtrs
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$9.24M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$26.25M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-10.32M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$6.26M	USD	1 Quarter
Net Income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net Income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Net Income	`ProfitLoss`	$28.70M	USD	3 Qtrs
Net Income	`ProfitLoss`	$15.50M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-663.00K	USD	3 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-598.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$130.00K	USD	3 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$478.00K	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$63.84M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$30.29M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$16.10M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$28.57M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$9.84M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperations`	$38.80M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$30.29M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperations`	$37.59M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$26.25M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$6.26M	USD	1 Quarter
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-10.22M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$63.84M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$30.29M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$16.10M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$28.57M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.96	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.83	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.48	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.52	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.31	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.52	USD	3 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$1.28	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$3.11	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.52	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.79	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.44	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.92	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.36	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.80	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.47	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.51	USD	3 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$1.26	USD	3 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.31	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$3.06	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.36	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.41	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.78	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.51M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.43M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.84M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	19.96M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.84M	shares	3 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.20M	shares	3 Qtrs
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	24.60M	shares	1 Quarter
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.74M	shares	1 Quarter

Cash Flow Statement 64 line items

Line Item	Tag	Value	Unit	Period
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$98.63M	USD	3 Qtrs
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$134.70M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$146.48M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$165.04M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$205.74M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$14.71M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$91.49M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$34.51M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$10.64M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$77.98M	USD	3 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$300.00K	USD	3 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	3 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$17.75M	USD	3 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$-63.00K	USD	3 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$170.50M	USD	3 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-7.39M	USD	3 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$33.39M	USD	3 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-80.04M	USD	3 Qtrs
Repayments on leases, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$2.67M	USD	3 Qtrs
Repayments on leases, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$2.59M	USD	3 Qtrs
Businesses acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$10.54M	USD	3 Qtrs
Businesses acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$148.09M	USD	3 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-325.37M	USD	3 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-55.53M	USD	3 Qtrs
Repayments of Debt and Capital Lease Obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$67.18M	USD	3 Qtrs
Repayments of Debt and Capital Lease Obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$13.13M	USD	3 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$13.37M	USD	3 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$-4.18M	USD	3 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$10.00K	USD	3 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$115.13M	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$28.73M	USD	3 Qtrs
Cash Received (Paid) For Share Settlements from Spinoff Transactions	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	$-357.00K	USD	3 Qtrs
Cash Received (Paid) For Share Settlements from Spinoff Transactions	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$8.40M	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$17.20M	USD	3 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-3.78M	USD	3 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-1.90M	USD	3 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$4.12M	USD	3 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$12.37M	USD	3 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$1.94M	USD	3 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-643.00K	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$82.64M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-212.42M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$99.63M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$24.30M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-7.22M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-8.50M	USD	3 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-14.02M	USD	3 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-64.09M	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$143.00K	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$687.00K	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$1.92M	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$29.01M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-183.41M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$84.56M	USD	3 Qtrs
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$198.07M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$332.77M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$198.07M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$381.48M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$332.77M	USD	Point-in-time

Stockholders Equity 30 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.38B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.77M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$15.45M	USD	3 Qtrs
Director stock awards	`StockIssuedDuringPeriodValueDirectorStockAwards`	$-168.00K	USD	3 Qtrs
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$113.00K	USD	3 Qtrs
Stockholders' Equity Note, Spinoff Transaction	`StockholdersEquityNoteSpinoffTransaction`	$-415.37M	USD	3 Qtrs
Stockholders Equity Note Spinoff Transaction, Value, Share Award Settlements for Spin Off	`StockholdersEquityNoteSpinoffTransactionValueShareAwardSettlementsForSpinOff`	$-631.00K	USD	3 Qtrs
Amortization of share awards	`AmortizationOfESOPAward`	$11.43M	USD	3 Qtrs
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	3 Qtrs
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$40.00K	USD	3 Qtrs
Dividends paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$-3.82M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$63.84M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$30.29M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$16.10M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$28.57M	USD	3 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-663.00K	USD	3 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-598.00K	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$130.00K	USD	3 Qtrs
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$478.00K	USD	1 Quarter
Net income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Net income	`ProfitLoss`	$28.70M	USD	3 Qtrs
Net income	`ProfitLoss`	$15.50M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$4.74M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$212.00K	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$2.87M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$2.46M	USD	1 Quarter
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.38B	USD	Point-in-time

Comprehensive Income 46 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$30.77M	USD	1 Quarter
Net Income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Net Income	`ProfitLoss`	$28.70M	USD	3 Qtrs
Net Income	`ProfitLoss`	$15.50M	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-488.00K	USD	3 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$4.05M	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$3.91M	USD	3 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$2.12M	USD	1 Quarter
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$758.00K	USD	3 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	3 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	-	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$-619.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax`	$192.00K	USD	1 Quarter
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	-	USD	3 Qtrs
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$1.33M	USD	3 Qtrs
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$1.33M	USD	1 Quarter
Reclassification of net derivative losses on cash flow hedges to interest expense or equity in earnings of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$42.00K	USD	3 Qtrs
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$3.66M	USD	1 Quarter
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$337.00K	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$7.08M	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$4.18M	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$125.00K	USD	3 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$1.31M	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$2.35M	USD	3 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$1.20M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.74M	USD	3 Qtrs
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$212.00K	USD	3 Qtrs
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.87M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.46M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$67.92M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$33.63M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$17.96M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$28.92M	USD	3 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-369.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$910.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-277.00K	USD	3 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$110.00K	USD	3 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$18.33M	USD	1 Quarter
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$32.73M	USD	1 Quarter
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$28.81M	USD	3 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$68.19M	USD	3 Qtrs

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