10-Q Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 Q3 2012

Filing Information

Form Type	10-Q
Accession Number	`0000859598-12-000018`
Period End Date	20120930
Filing Date	20121031
Fiscal Year	2012
Fiscal Period	Q3
XBRL Instance	ckh-20120630.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 110 Income Statement 140 Cash Flow Statement 66 Stockholders Equity 22 Comprehensive Income 45

Balance Sheet 110 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$6.12M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.65M	USD	Point-in-time
Preferred stock, par value	`PreferredStockParOrStatedValuePerShare`	$0.01	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
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$301.60M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$462.19M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$365.33M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$207.54M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$191.78M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$21.28M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$22.13M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$66.90M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $2,805 and $3,652 in 2012 and 2011, respectively	`ReceivablesNetCurrent`	$303.84M	USD	Point-in-time
Trade, net of allowance for doubtful accounts of $2,805 and $3,652 in 2012 and 2011, respectively	`ReceivablesNetCurrent`	$312.99M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Other	`OtherAssetsCurrent`	$69.13M	USD	Point-in-time
Other	`OtherAssetsCurrent`	$51.79M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	36.65M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	36.44M	shares	Point-in-time
Inventories	`InventoryNet`	$70.62M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	15.51M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	15.80M	shares	Point-in-time
Inventories	`InventoryNet`	$77.86M	USD	Point-in-time
Inventories	`InventoryNet`	$69.11M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$11.12M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$11.12M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$16.20M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$9.32M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$44.99M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$3.02M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.04B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$911.79M	USD	Point-in-time
Property and Equipment	`PropertyPlantAndEquipmentGross`	$3.02B	USD	Point-in-time
Property and Equipment	`PropertyPlantAndEquipmentGross`	$3.38B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$976.61M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$867.91M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$2.40B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$2.15B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$2.03B	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsAtEquityAndAdvancesToFiftyPercentOrLessOwnedCompanies`	$266.59M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsAtEquityAndAdvancesToFiftyPercentOrLessOwnedCompanies`	$243.68M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsAtEquityAndAdvancesToFiftyPercentOrLessOwnedCompanies`	$249.75M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$259.97M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`ConstructionReserveFundsTitleXiReserveFunds`	$179.93M	USD	Point-in-time
Goodwill	`Goodwill`	$57.05M	USD	Point-in-time
Goodwill	`Goodwill`	$57.05M	USD	Point-in-time
Goodwill	`Goodwill`	$54.41M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$21.53M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$16.05M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$19.93M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$78.72M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$102.35M	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Discontinued Operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$46.70M	USD	Point-in-time
Total assets	`Assets`	$3.93B	USD	Point-in-time
Total assets	`Assets`	$3.66B	USD	Point-in-time
Total assets	`Assets`	$3.92B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$196.33M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$41.09M	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$4.44M	USD	Point-in-time
Current portion of capital lease obligations	`CapitalLeaseObligationsCurrent`	$2.37M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$152.95M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$185.16M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$150.86M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$143.25M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$-309.00K	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$22.05M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$496.66M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$401.53M	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$995.45M	USD	Point-in-time
Long-Term Debt	`LongTermDebt`	$813.32M	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$3.07M	USD	Point-in-time
Capital Lease Obligations	`CapitalLeaseObligationsNoncurrent`	$87.00K	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$602.20M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$566.92M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$143.39M	USD	Point-in-time
Deferred Gains and Other Liabilities	`DeferredGainsAndOtherLiabilities`	$121.49M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$9.72M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Total liabilities	`Liabilities`	$2.12B	USD	Point-in-time
Total liabilities	`Liabilities`	$2.03B	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; 36,603,406 and 36,444,439 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$364.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 36,603,406 and 36,444,439 shares issued in 2012 and 2011, respectively	`CommonStockValue`	$366.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.26B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.28B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.51B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Shares held in treasury of 15,489,052 and 15,511,323 in 2012 and 2011, respectively, at cost	`TreasuryStockValue`	$971.69M	USD	Point-in-time
Shares held in treasury of 15,489,052 and 15,511,323 in 2012 and 2011, respectively, at cost	`TreasuryStockValue`	$997.54M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.96M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.60M	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.79B	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.85B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$29.99M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$18.46M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.88B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.93B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.92B	USD	Point-in-time

Income Statement 140 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$1.49B	USD	3 Qtrs
Operating Revenues	`Revenues`	$545.09M	USD	1 Quarter
Operating Revenues	`Revenues`	$462.06M	USD	1 Quarter
Operating Revenues	`Revenues`	$1.45B	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$455.44M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$340.95M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$1.21B	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$1.13B	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$35.39M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$50.46M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$141.76M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$116.21M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$128.30M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$36.44M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$114.10M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$45.28M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$1.40B	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$436.69M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$1.44B	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$527.27M	USD	1 Quarter
Gains on Asset Dispositions and Impairments, Net	`GainLossOnDispositionOfAssets`	$28.54M	USD	3 Qtrs
Gains on Asset Dispositions and Impairments, Net	`GainLossOnDispositionOfAssets`	$9.68M	USD	1 Quarter
Gains on Asset Dispositions and Impairments, Net	`GainLossOnDispositionOfAssets`	$19.64M	USD	3 Qtrs
Gains on Asset Dispositions and Impairments, Net	`GainLossOnDispositionOfAssets`	$10.99M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$28.81M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$75.68M	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$84.07M	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$35.04M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$14.76M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$4.14M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$5.46M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$12.49M	USD	3 Qtrs
Interest expense	`InterestExpense`	$12.68M	USD	1 Quarter
Interest expense	`InterestExpense`	$31.22M	USD	3 Qtrs
Interest expense	`InterestExpense`	$37.12M	USD	3 Qtrs
Interest expense	`InterestExpense`	$10.71M	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-160.00K	USD	3 Qtrs
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-51.00K	USD	1 Quarter
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-99.00K	USD	3 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$13.22M	USD	3 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$130.00K	USD	1 Quarter
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$-3.09M	USD	3 Qtrs
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$-1.73M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-35.87M	USD	3 Qtrs
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-4.65M	USD	1 Quarter
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-5.28M	USD	3 Qtrs
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-25.95M	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.13M	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$632.00K	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$2.19M	USD	3 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$3.35M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-273.00K	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-39.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$7.49M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$7.10M	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-4.89M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-54.71M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-7.18M	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-34.29M	USD	1 Quarter
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$29.36M	USD	3 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$27.86M	USD	1 Quarter
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$70.79M	USD	3 Qtrs
Income from Continuing Operations Before Income Tax Expense and Equity in Earnings of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-5.48M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$27.86M	USD	3 Qtrs
Income Tax Expense	`IncomeTaxExpenseBenefit`	$-669.00K	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$11.28M	USD	1 Quarter
Income Tax Expense	`IncomeTaxExpenseBenefit`	$12.88M	USD	3 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-4.81M	USD	1 Quarter
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$16.48M	USD	3 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$42.93M	USD	3 Qtrs
Income from Continuing Operations Before Equity in Earnings of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$16.58M	USD	1 Quarter
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$1.22M	USD	3 Qtrs
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$10.57M	USD	3 Qtrs
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$-1.08M	USD	1 Quarter
Equity in Earnings of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$9.65M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$4.84M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$44.14M	USD	3 Qtrs
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$15.50M	USD	1 Quarter
Income from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$27.04M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-2.15M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-782.00K	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$19.04M	USD	3 Qtrs
Net Income	`ProfitLoss`	$15.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$4.06M	USD	1 Quarter
Net Income	`ProfitLoss`	$24.90M	USD	3 Qtrs
Net Income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Net Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$-598.00K	USD	1 Quarter
Net Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$-663.00K	USD	3 Qtrs
Net Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$882.00K	USD	3 Qtrs
Net Income (Loss) attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$247.00K	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$3.81M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$24.02M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$16.10M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$63.84M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$16.10M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperations`	$26.16M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperations`	$4.60M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperations`	$44.80M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-782.00K	USD	1 Quarter
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-2.15M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$19.04M	USD	3 Qtrs
Discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$3.81M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$24.02M	USD	3 Qtrs
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$16.10M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$63.84M	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.22	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.18	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.24	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.79	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.04	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$0.93	USD	3 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.10	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.79	USD	1 Quarter
Earnings Per Share, Basic	`EarningsPerShareBasic`	$1.14	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$3.11	USD	3 Qtrs
Earnings Per Share, Basic	`EarningsPerShareBasic`	$0.18	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.21	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.15	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.22	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.78	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.03	USD	1 Quarter
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.10	USD	3 Qtrs
Discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$0.91	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$1.12	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$3.06	USD	3 Qtrs
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.18	USD	1 Quarter
Earnings Per Share, Diluted	`EarningsPerShareDiluted`	$0.78	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	21.20M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.43M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	20.51M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	21.16M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	21.51M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	21.57M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.74M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.84M	shares	3 Qtrs

Cash Flow Statement 66 line items

Line Item	Tag	Value	Unit	Period
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$139.07M	USD	3 Qtrs
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$166.29M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$206.61M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$256.97M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$19.60M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$50.56M	USD	3 Qtrs
Cash settlements on derivative transactions, net	`PaymentsForProceedsFromHedgeInvestingActivities`	$307.00K	USD	3 Qtrs
Cash settlements on derivative transactions, net	`PaymentsForProceedsFromHedgeInvestingActivities`	$-7.00M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$46.36M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$52.31M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`ReturnOfInvestmentsAndAdvancesFromFiftyPercentOrLessOwnedCompanies`	$20.18M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`ReturnOfInvestmentsAndAdvancesFromFiftyPercentOrLessOwnedCompanies`	$80.71M	USD	3 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$8.23M	USD	3 Qtrs
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$300.00K	USD	3 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$18.58M	USD	3 Qtrs
Principal payments on third party notes receivable, net	`CashInflowAndOutflowFromNotesReceivable`	$-33.59M	USD	3 Qtrs
Net increase in restricted cash	`NetIncreaseInRestrictedCash`	$170.50M	USD	3 Qtrs
Net increase in restricted cash	`NetIncreaseInRestrictedCash`	$6.82M	USD	3 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-25.54M	USD	3 Qtrs
Net (increase) decrease in construction reserve funds and title XI reserve funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-80.04M	USD	3 Qtrs
Net increase in escrow deposits on like-kind exchanges	`NetIncreaseInEscrowDepositsOnLikeKindExchanges`	-	USD	3 Qtrs
Net increase in escrow deposits on like-kind exchanges	`NetIncreaseInEscrowDepositsOnLikeKindExchanges`	$5.05M	USD	3 Qtrs
Repayments on leases, net	`RepaymentsOnInvestmentsInLeases`	$-2.59M	USD	3 Qtrs
Repayments on leases, net	`RepaymentsOnInvestmentsInLeases`	$-7.89M	USD	3 Qtrs
Businesses acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$40.92M	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`	$-421.01M	USD	3 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-242.36M	USD	3 Qtrs
Payments on long term debt and capital lease obligations	`PaymentsOnLongTermDebtAndCapitalLeaseObligations`	$169.27M	USD	3 Qtrs
Payments on long term debt and capital lease obligations	`PaymentsOnLongTermDebtAndCapitalLeaseObligations`	$33.69M	USD	3 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$13.37M	USD	3 Qtrs
Net borrowings (repayments) on inventory financing arrangements	`NetPaymentsOnInventoryFinancingArrangements`	$-10.20M	USD	3 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$153.13M	USD	3 Qtrs
Proceeds from issuance of long term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$375.00K	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$28.73M	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$8.68M	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ProceedsAndTaxBenefitsFromShareAwardPlans`	$8.40M	USD	3 Qtrs
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	3 Qtrs
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$1.15M	USD	3 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`CashReceivedFromDividendsPaidToNoncontrollingInterests`	$252.00K	USD	3 Qtrs
Cash received from (dividends paid to) noncontrolling interests, net	`CashReceivedFromDividendsPaidToNoncontrollingInterests`	$1.90M	USD	3 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-15.84M	USD	3 Qtrs
Net cash provided by (used in) financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-51.72M	USD	3 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$2.60M	USD	3 Qtrs
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$4.20M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-331.06M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-87.70M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-12.04M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$29.78M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-5.80M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$88.43M	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$-3.00K	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$27.00K	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$76.41M	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$23.98M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-63.73M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-254.65M	USD	3 Qtrs
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$301.60M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$462.19M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$365.33M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$207.54M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$301.60M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$462.19M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$365.33M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$207.54M	USD	Point-in-time

Stockholders Equity 22 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.88B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.96M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$5.05M	USD	3 Qtrs
Director stock awards	`StockIssuedDuringPeriodValueDirectorStockAwards`	$-271.00K	USD	3 Qtrs
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$353.00K	USD	3 Qtrs
Stock Repurchased During Period, Value	`StockRepurchasedDuringPeriodValue`	$-28.73M	USD	3 Qtrs
Amortization of share awards	`AmortizationOfESOPAward`	$15.19M	USD	3 Qtrs
Stock Issued During Period, Value, Restricted Stock Award, Forfeitures	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	3 Qtrs
Acquisition of subsidiary with noncontrolling interests	`MinorityInterestDecreaseFromRedemptions`	$-13.71M	USD	3 Qtrs
Issuance of noncontrolling interests	`MinorityInterestIncreaseFromStockIssuance`	$83.00K	USD	3 Qtrs
Dividends paid to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$-1.98M	USD	3 Qtrs
Net income	`ProfitLoss`	$15.50M	USD	1 Quarter
Net income	`ProfitLoss`	$4.06M	USD	1 Quarter
Net income	`ProfitLoss`	$24.90M	USD	3 Qtrs
Net income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$-2.60M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$2.46M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$-2.80M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$4.74M	USD	3 Qtrs
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.88B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time

Comprehensive Income 45 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$15.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$4.06M	USD	1 Quarter
Net Income	`ProfitLoss`	$24.90M	USD	3 Qtrs
Net Income	`ProfitLoss`	$63.18M	USD	3 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease`	$3.91M	USD	3 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease`	$-2.02M	USD	3 Qtrs
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease`	$-3.76M	USD	1 Quarter
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecrease`	$2.12M	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$758.00K	USD	3 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Reclassification of net foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease`	$-491.00K	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease`	$-1.15M	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	`OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPeriodIncreaseDecrease`	$-1.24M	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	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax`	-	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	`OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeBeforeTax`	$1.33M	USD	3 Qtrs
Other	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease`	-	USD	3 Qtrs
Other	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease`	$42.00K	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease`	$3.66M	USD	1 Quarter
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease`	$-4.01M	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease`	$7.08M	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecrease`	$-4.31M	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$1.40M	USD	3 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$-2.35M	USD	3 Qtrs
Income tax expense	`OtherComprehensiveIncomeLossTax`	$1.51M	USD	1 Quarter
Income tax expense	`OtherComprehensiveIncomeLossTax`	$-1.20M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$-2.60M	USD	3 Qtrs
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$2.46M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$-2.80M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease`	$4.74M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$22.29M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$67.92M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$17.96M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.26M	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-369.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$882.00K	USD	3 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$247.00K	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-277.00K	USD	3 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$1.01M	USD	1 Quarter
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$21.41M	USD	3 Qtrs
Comprehensive Income attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$18.33M	USD	1 Quarter
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.