10-Q Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 Q3 2017

Filing Information

Form Type	10-Q
Accession Number	`0000859598-17-000150`
Period End Date	20170930
Filing Date	20171102
Fiscal Year	2017
Fiscal Period	Q3
XBRL Instance	ckh-20170930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 105 Income Statement 128 Cash Flow Statement 64 Stockholders Equity 32 Comprehensive Income 44

Balance Sheet 105 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.40M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.99M	USD	Point-in-time
Common Stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$315.96M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$267.16M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	38.47M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.25M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalents`	$2.44M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.94M	shares	Point-in-time
Treasury stock, shares held in treasury	`TreasuryStockShares`	20.61M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$76.14M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$62.61M	USD	Point-in-time
Treasury stock, shares held in treasury	`TreasuryStockShares`	20.54M	shares	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
Trade, net of allowance for doubtful accounts of $2,400 and $2,989 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$108.64M	USD	Point-in-time
Trade, net of allowance for doubtful accounts of $2,400 and $2,989 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$83.29M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other Receivables	`OtherReceivablesNetCurrent`	$38.18M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other Receivables	`OtherReceivablesNetCurrent`	$35.48M	USD	Point-in-time
Inventories	`InventoryNet`	$2.58M	USD	Point-in-time
Inventories	`InventoryNet`	$3.95M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.71M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$6.74M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$277.37M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$464.35M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$762.80M	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$1.48B	USD	Point-in-time
Property, Plant and Equipment, Gross	`PropertyPlantAndEquipmentGross`	$1.18B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$487.05M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$444.56M	USD	Point-in-time
Property, Plant and Equipment, Other, Net in Service	`PropertyPlantAndEquipmentOtherNet`	$734.00M	USD	Point-in-time
Property, Plant and Equipment, Other, Net in Service	`PropertyPlantAndEquipmentOtherNet`	$996.38M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$246.01M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$22.77M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$980.01M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.02B	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$175.39M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$175.46M	USD	Point-in-time
Construction Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$75.75M	USD	Point-in-time
Construction Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$51.85M	USD	Point-in-time
Goodwill	`Goodwill`	$32.76M	USD	Point-in-time
Goodwill	`Goodwill`	$32.77M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$30.66M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$20.08M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$17.19M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$8.80M	USD	Point-in-time
Discontinued Operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$798.27M	USD	Point-in-time
Discontinued Operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Total assets	`Assets`	$2.95B	USD	Point-in-time
Total assets	`Assets`	$2.86B	USD	Point-in-time
Total assets	`Assets`	$1.78B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$163.20M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$119.84M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$59.56M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$31.52M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$62.16M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$70.76M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$85.02M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$222.12M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$369.95M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$619.71M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$631.08M	USD	Point-in-time
Exchange Option Liability on Subsidiary Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	$19.44M	USD	Point-in-time
Exchange Option Liability on Subsidiary Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	-	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$165.09M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$157.44M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$81.24M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$98.10M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$390.05M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.09B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.67B	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; 38,473,585 and 37,939,032 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$385.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 38,473,585 and 37,939,032 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$379.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.56B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.52B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$377.70M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$910.72M	USD	Point-in-time
Shares held in treasury of 20,614,250 and 20,538,327 in 2017 and 2016, respectively, at cost	`TreasuryStockValue`	$1.36B	USD	Point-in-time
Shares held in treasury of 20,614,250 and 20,538,327 in 2017 and 2016, respectively, at cost	`TreasuryStockValue`	$1.36B	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-11.51M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-266.00K	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$571.35M	USD	Point-in-time
Stockholders' equity attributable to parent, total	`StockholdersEquity`	$1.06B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$135.38M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$123.45M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$694.80M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.20B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$2.86B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$1.78B	USD	Point-in-time

Income Statement 128 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$314.27M	USD	3 Qtrs
Operating Revenues	`Revenues`	$158.17M	USD	1 Quarter
Operating Revenues	`Revenues`	$109.57M	USD	1 Quarter
Operating Revenues	`Revenues`	$392.38M	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$107.26M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$193.64M	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$252.16M	USD	3 Qtrs
Operating	`OperatingCostsAndExpenses`	$66.57M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$20.93M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$20.53M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$64.97M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$68.95M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$46.01M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$54.69M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$15.86M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$20.50M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$103.37M	USD	1 Quarter
Total costs and expenses	`CostsAndExpenses`	$304.61M	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$375.79M	USD	3 Qtrs
Total costs and expenses	`CostsAndExpenses`	$148.29M	USD	1 Quarter
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-593.00K	USD	1 Quarter
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$2.59M	USD	3 Qtrs
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$10.92M	USD	3 Qtrs
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$5.21M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$15.09M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$5.61M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$27.50M	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$12.25M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$4.49M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$13.10M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$6.65M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$2.37M	USD	1 Quarter
Interest expense	`InterestExpense`	$29.89M	USD	3 Qtrs
Interest expense	`InterestExpense`	$31.10M	USD	3 Qtrs
Interest expense	`InterestExpense`	$9.12M	USD	1 Quarter
Interest expense	`InterestExpense`	$9.96M	USD	1 Quarter
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$557.00K	USD	1 Quarter
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$-94.00K	USD	3 Qtrs
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$5.39M	USD	3 Qtrs
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$3.00K	USD	1 Quarter
Marketable security losses, net	`MarketableSecuritiesGainLoss`	$-9.48M	USD	1 Quarter
Marketable security losses, net	`MarketableSecuritiesGainLoss`	$-52.45M	USD	3 Qtrs
Marketable security losses, net	`MarketableSecuritiesGainLoss`	$-12.48M	USD	1 Quarter
Marketable security losses, net	`MarketableSecuritiesGainLoss`	$-13.32M	USD	3 Qtrs
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$19.73M	USD	3 Qtrs
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	-	USD	1 Quarter
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-862.00K	USD	1 Quarter
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.53M	USD	3 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$418.00K	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$898.00K	USD	3 Qtrs
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$969.00K	USD	1 Quarter
Foreign currency gains, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$2.81M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$-5.46M	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$64.00K	USD	1 Quarter
Other, net	`OtherNonoperatingIncomeExpense`	$-13.11M	USD	3 Qtrs
Other, net	`OtherNonoperatingIncomeExpense`	$68.00K	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-17.17M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-20.30M	USD	1 Quarter
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-77.68M	USD	3 Qtrs
Total Other Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-18.20M	USD	1 Quarter
Income (Loss) from Continuing Operations Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$10.33M	USD	3 Qtrs
Income (Loss) from Continuing Operations Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-65.43M	USD	3 Qtrs
Income (Loss) from Continuing Operations Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-14.69M	USD	1 Quarter
Income (Loss) from Continuing Operations Before Income Tax Benefit and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-3.11M	USD	1 Quarter
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-12.79M	USD	1 Quarter
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-12.56M	USD	3 Qtrs
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-29.92M	USD	3 Qtrs
Income Tax Benefit	`IncomeTaxExpenseBenefit`	$-7.16M	USD	1 Quarter
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-35.51M	USD	3 Qtrs
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-7.52M	USD	1 Quarter
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$22.90M	USD	3 Qtrs
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$9.69M	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$-7.17M	USD	3 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$2.93M	USD	3 Qtrs
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$-1.11M	USD	1 Quarter
Equity in Earnings (Losses) of 50% or Less Owned Companies, Net of Tax	`IncomeLossFromEquityMethodInvestments`	$488.00K	USD	1 Quarter
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-8.63M	USD	1 Quarter
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$10.18M	USD	1 Quarter
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-42.67M	USD	3 Qtrs
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$25.82M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$10.93M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-62.81M	USD	3 Qtrs
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-25.39M	USD	1 Quarter
Income (Loss) from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-23.15M	USD	3 Qtrs
Net Income (Loss)	`ProfitLoss`	$-105.48M	USD	3 Qtrs
Net Income (Loss)	`ProfitLoss`	$2.67M	USD	3 Qtrs
Net Income (Loss)	`ProfitLoss`	$21.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-34.03M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.54M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$13.84M	USD	3 Qtrs
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$16.66M	USD	3 Qtrs
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.78M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-122.15M	USD	3 Qtrs
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-11.16M	USD	3 Qtrs
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-39.80M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$17.56M	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.55	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-3.45	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.82	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.38	USD	1 Quarter
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-1.53	USD	1 Quarter
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$0.62	USD	1 Quarter
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-1.20	USD	3 Qtrs
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-3.78	USD	3 Qtrs
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-2.35	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.00	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-0.65	USD	3 Qtrs
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-7.23	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-3.45	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.55	USD	3 Qtrs
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.82	USD	1 Quarter
Continuing operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.38	USD	1 Quarter
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-3.78	USD	3 Qtrs
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-1.19	USD	3 Qtrs
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-1.53	USD	1 Quarter
Discontinued operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$0.62	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-0.64	USD	3 Qtrs
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-2.35	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-7.23	USD	3 Qtrs
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.00	USD	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	17.51M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	16.90M	shares	3 Qtrs
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	16.94M	shares	1 Quarter
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	17.27M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.51M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	16.90M	shares	3 Qtrs
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.64M	shares	1 Quarter
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	16.94M	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`	$60.55M	USD	3 Qtrs
Net Cash Provided by Operating Activities of Continuing Operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$85.09M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$99.31M	USD	3 Qtrs
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$207.82M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$142.08M	USD	3 Qtrs
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$27.61M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$4.46M	USD	3 Qtrs
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$7.64M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$8.36M	USD	3 Qtrs
Return of investments and advances from 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$9.68M	USD	3 Qtrs
Proceeds on the sale of a controlling interest in a subsidiary	`ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries`	-	USD	3 Qtrs
Proceeds on the sale of a controlling interest in a subsidiary	`ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries`	$5.00M	USD	3 Qtrs
Net repayments on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	3 Qtrs
Net repayments on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$1.10M	USD	3 Qtrs
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$-24.35M	USD	3 Qtrs
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$1.82M	USD	3 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$2.24M	USD	3 Qtrs
Net increase in restricted cash	`IncreaseDecreaseInRestrictedCash`	$187.00K	USD	3 Qtrs
Decrease in construction reserve funds	`ConstructionReserveFundWithdrawals`	$-37.71M	USD	3 Qtrs
Decrease in construction reserve funds	`ConstructionReserveFundWithdrawals`	$-16.83M	USD	3 Qtrs
Increase in construction reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	3 Qtrs
Increase in construction reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$13.81M	USD	3 Qtrs
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	3 Qtrs
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-5.25M	USD	3 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-11.33M	USD	3 Qtrs
Net cash used in investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-50.19M	USD	3 Qtrs
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$131.20M	USD	3 Qtrs
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$133.15M	USD	3 Qtrs
Proceeds from issuance of long term debt, net of issue costs	`ProceedsFromIssuanceOfLongTermDebt`	$78.38M	USD	3 Qtrs
Proceeds from issuance of long term debt, net of issue costs	`ProceedsFromIssuanceOfLongTermDebt`	$38.90M	USD	3 Qtrs
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$7.10M	USD	3 Qtrs
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$1.35M	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$7.57M	USD	3 Qtrs
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$2.40M	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$1.62M	USD	3 Qtrs
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$16.43M	USD	3 Qtrs
Distributions to noncontrolling interests	`ProceedsFromPaymentsToMinorityShareholders`	-	USD	3 Qtrs
Distributions to noncontrolling interests	`ProceedsFromPaymentsToMinorityShareholders`	$-200.00K	USD	3 Qtrs
Net cash used in financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-60.89M	USD	3 Qtrs
Net cash used in financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-86.75M	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`	$856.00K	USD	3 Qtrs
Net Decrease in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-12.14M	USD	3 Qtrs
Net Decrease in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-52.47M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$17.34M	USD	3 Qtrs
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$26.88M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-14.30M	USD	3 Qtrs
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$2.72M	USD	3 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$7.75M	USD	3 Qtrs
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-7.15M	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$208.00K	USD	3 Qtrs
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$499.00K	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$11.29M	USD	3 Qtrs
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$22.65M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$10.52M	USD	3 Qtrs
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-41.19M	USD	3 Qtrs
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$315.96M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$267.16M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$315.96M	USD	Point-in-time
Cash and Cash Equivalents, End of Period	`CashAndCashEquivalentsAtCarryingValue`	$267.16M	USD	Point-in-time

Stockholders Equity 32 line items

Line Item	Tag	Value	Unit	Period
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$694.80M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.20B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.44M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$14.98M	USD	3 Qtrs
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$63.00K	USD	3 Qtrs
Restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Exercise of conversion option in convertible debt	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$3.00K	USD	3 Qtrs
Distribution of SEACOR Marine stock to shareholders	`StockholdersEquityNoteSpinoffTransaction`	$-527.69M	USD	3 Qtrs
Purchase of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments`	$-927.00K	USD	3 Qtrs
Purchases of treasury shares	`StockRepurchasedDuringPeriodValue`	$7.57M	USD	3 Qtrs
Amortization of share awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$22.69M	USD	3 Qtrs
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	3 Qtrs
Purchase of subsidiary shares from noncontrolling interests	`MinorityInterestDecreaseFromRedemptions`	$-3.69M	USD	3 Qtrs
Consolidation of 50% or less owned companies	`NoncontrollingInterestIncreaseFromBusinessCombination`	$17.37M	USD	3 Qtrs
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$-14.67M	USD	3 Qtrs
Distributions to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$7.43M	USD	3 Qtrs
Net loss attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-122.15M	USD	3 Qtrs
Net loss attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-11.16M	USD	3 Qtrs
Net loss attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-39.80M	USD	1 Quarter
Net loss attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$17.56M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.54M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$13.84M	USD	3 Qtrs
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$16.66M	USD	3 Qtrs
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.78M	USD	1 Quarter
Net Income	`ProfitLoss`	$-105.48M	USD	3 Qtrs
Net Income	`ProfitLoss`	$2.67M	USD	3 Qtrs
Net Income	`ProfitLoss`	$21.10M	USD	1 Quarter
Net Income	`ProfitLoss`	$-34.03M	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$187.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$279.00K	USD	1 Quarter
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.28M	USD	3 Qtrs
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-5.71M	USD	3 Qtrs

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`ProfitLoss`	$-105.48M	USD	3 Qtrs
Net Income (Loss)	`ProfitLoss`	$2.67M	USD	3 Qtrs
Net Income (Loss)	`ProfitLoss`	$21.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-34.03M	USD	1 Quarter
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-305.00K	USD	1 Quarter
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$2.15M	USD	3 Qtrs
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$425.00K	USD	1 Quarter
Foreign currency translation gains (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-6.64M	USD	3 Qtrs
Reclassification of foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-74.00K	USD	1 Quarter
Reclassification of foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	1 Quarter
Reclassification of foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-74.00K	USD	3 Qtrs
Reclassification of foreign currency translation losses to foreign currency gains, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	3 Qtrs
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-3.85M	USD	3 Qtrs
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-389.00K	USD	3 Qtrs
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-187.00K	USD	1 Quarter
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-5.00K	USD	1 Quarter
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$11.00K	USD	3 Qtrs
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$16.00K	USD	3 Qtrs
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$7.00K	USD	1 Quarter
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-8.32M	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$1.89M	USD	3 Qtrs
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$430.00K	USD	1 Quarter
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$369.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$151.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$182.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$605.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$-2.61M	USD	3 Qtrs
Other Comprehensive Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$187.00K	USD	1 Quarter
Other Comprehensive Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$279.00K	USD	1 Quarter
Other Comprehensive Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.28M	USD	3 Qtrs
Other Comprehensive Income, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-5.71M	USD	3 Qtrs
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-111.19M	USD	3 Qtrs
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$21.38M	USD	1 Quarter
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$3.96M	USD	3 Qtrs
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-33.84M	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.62M	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.54M	USD	1 Quarter
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$14.00M	USD	3 Qtrs
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.81M	USD	3 Qtrs
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-10.04M	USD	3 Qtrs
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-39.46M	USD	1 Quarter
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-127.00M	USD	3 Qtrs
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$17.84M	USD	1 Quarter

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