10-K Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0000859598-18-000018`
Period End Date	20171231
Filing Date	20180301
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	ckh-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 119 Income Statement 132 Cash Flow Statement 165 Stockholders Equity 61 Comprehensive Income 41

Balance Sheet 119 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.99M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.39M	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$316.79M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$239.25M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.94M	shares	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$2.25M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$2.98M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	38.66M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$42.76M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$76.14M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	20.54M	shares	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	20.72M	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
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $2,390 and $2,989 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$108.64M	USD	Point-in-time
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $2,390 and $2,989 in 2017 and 2016, respectively	`AccountsReceivableNetCurrent`	$110.47M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$33.87M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$35.48M	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
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$4.38M	USD	Point-in-time
Inventories	`InventoryNet`	$2.58M	USD	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$6.59M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$3.71M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$277.37M	USD	Point-in-time
Discontinued operations	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$762.80M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$440.30M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.18B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$1.35B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$444.56M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$502.54M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$734.00M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$849.20M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$28.73M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$246.01M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$877.92M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$980.01M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$173.44M	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`	$51.34M	USD	Point-in-time
Construction Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$75.75M	USD	Point-in-time
Goodwill	`Goodwill`	$32.76M	USD	Point-in-time
Goodwill	`Goodwill`	$32.76M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$20.08M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$28.11M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$17.19M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$9.47M	USD	Point-in-time
Discontinued Operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Discontinued Operations	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$798.27M	USD	Point-in-time
Total Assets	`Assets`	$1.61B	USD	Point-in-time
Total Assets	`Assets`	$2.86B	USD	Point-in-time
Total Assets	`Assets`	$3.19B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$163.20M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$77.84M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$44.01M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$59.56M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$12.40M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$14.62M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$4.21M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.04M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$3.06M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	-	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	-	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	$1.27M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$2.17M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$15.09M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$25.30M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$36.33M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$85.02M	USD	Point-in-time
Discontinued operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$179.19M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$369.95M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$631.08M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$501.50M	USD	Point-in-time
Exchange Option Liability on Subsidiary Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	-	USD	Point-in-time
Exchange Option Liability on Subsidiary Convertible Senior Notes	`DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent`	$19.44M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$157.44M	USD	Point-in-time
Deferred Income Tax Liabilities, Net	`DeferredIncomeTaxLiabilitiesNet`	$101.42M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$77.86M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$98.10M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$390.05M	USD	Point-in-time
Discontinued Operations	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Total liabilities	`Liabilities`	$1.67B	USD	Point-in-time
Total liabilities	`Liabilities`	$859.98M	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; 38,656,505 and 37,939,032 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$387.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 38,656,505 and 37,939,032 shares issued in 2017 and 2016, respectively	`CommonStockValue`	$379.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.52B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.57B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$910.72M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$419.13M	USD	Point-in-time
Shares held in treasury of 20,716,878 and 20,538,327 in 2017 and 2016, respectively, at cost	`TreasuryStockValue`	$1.37B	USD	Point-in-time
Shares held in treasury of 20,716,878 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`	$-5.62M	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`	$-545.00K	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.50M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$623.68M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$1.06B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$129.68M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$135.38M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$753.36M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$1.61B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$2.86B	USD	Point-in-time

Income Statement 132 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$105.05M	USD	1 Quarter
Operating Revenues	`Revenues`	$158.17M	USD	1 Quarter
Operating Revenues	`Revenues`	$118.41M	USD	1 Quarter
Operating Revenues	`Revenues`	$109.57M	USD	1 Quarter
Operating Revenues	`Revenues`	$521.99M	USD	Annual
Operating Revenues	`Revenues`	$577.89M	USD	Annual
Operating Revenues	`Revenues`	$115.79M	USD	1 Quarter
Operating Revenues	`Revenues`	$185.51M	USD	1 Quarter
Operating Revenues	`Revenues`	$440.46M	USD	Annual
Operating Revenues	`Revenues`	$99.65M	USD	1 Quarter
Operating Revenues	`Revenues`	$126.20M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$331.61M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$360.88M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$275.25M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$86.36M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$101.34M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$103.11M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$62.56M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$60.36M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$75.06M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$539.04M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$424.18M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$493.31M	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$14.61M	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$11.64M	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-25.98M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$8.99M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$43.29M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$1.80M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$3.42M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$-21.95M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$5.61M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$4.84M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$50.48M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$22.98M	USD	1 Quarter
Operating Income (Loss)	`OperatingIncomeLoss`	$-9.70M	USD	Annual
Operating Income (Loss)	`OperatingIncomeLoss`	$15.09M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$8.55M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$15.64M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$19.27M	USD	Annual
Interest expense	`InterestExpense`	$41.53M	USD	Annual
Interest expense	`InterestExpense`	$39.80M	USD	Annual
Interest expense	`InterestExpense`	$39.15M	USD	Annual
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$-28.50M	USD	Annual
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$-819.00K	USD	Annual
Debt extinguishment gains (losses), net	`GainsLossesOnExtinguishmentOfDebt`	$5.18M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$-32.15M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$3.75M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$-1.78M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$19.73M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$1.92M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-14.13M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$323.00K	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.44M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-4.72M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$-18.72M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$256.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$2.40M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-15.28M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-82.54M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-45.04M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$35.20M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-92.24M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-1.75M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$12.21M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$21.35M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$-15.71M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-21.10M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-51.48M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-48.93M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$250.00K	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-36.73M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-67.19M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$102.39M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-55.51M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-2.00M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$-49.17M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$2.95M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$-21.04M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-51.17M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-76.55M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$105.35M	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-119.22M	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-8.68M	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-23.64M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$10.18M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$79.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-195.77M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-456.00K	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.63M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$16.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-23.76M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$81.71M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-10.28M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-33.88M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$20.07M	USD	Annual
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$20.12M	USD	Annual
Net Income Attributable to Noncontrolling Interests in Subsidiaries	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.93M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$61.64M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-68.78M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-215.90M	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperations`	$82.85M	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperations`	$-53.84M	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperations`	$-94.09M	USD	Annual
Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-21.21M	USD	Annual
Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-14.94M	USD	Annual
Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-121.81M	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-5.56	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-3.09	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$4.77	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.85	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-1.22	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-7.20	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$3.55	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-3.94	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-12.76	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$4.24	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-5.56	USD	Annual
Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-3.09	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-7.20	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.93	USD	Annual
Discontinued Operations	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.85	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$3.31	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-3.94	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-12.76	USD	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.37M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	16.91M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.45M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	22.93M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.45M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	16.91M	shares	Annual

Cash Flow Statement 165 line items

Line Item	Tag	Value	Unit	Period
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-51.17M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-76.55M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$105.35M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$62.56M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$60.36M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$75.06M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$15.07M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$14.32M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$15.04M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$19.03M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$13.00M	USD	Annual
Debt discount and issuance cost amortization, net	`AmortizationOfDebtDiscountPremium`	$15.90M	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	$32.42M	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	$13.95M	USD	Annual
Amortization of share awards	`ShareBasedCompensation`	$14.65M	USD	Annual
Director stock awards	`DirectorStockAwards`	$83.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$242.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$190.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$842.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$2.77M	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$842.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$-175.00K	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$14.61M	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$11.64M	USD	Annual
(Gains) Losses on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-25.98M	USD	Annual
Debt extinguishment (gains) losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-28.50M	USD	Annual
Debt extinguishment (gains) losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-819.00K	USD	Annual
Debt extinguishment (gains) losses, net	`GainsLossesOnExtinguishmentOfDebt`	$5.18M	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$-32.15M	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$3.75M	USD	Annual
Marketable security (gains) losses, net	`MarketableSecuritiesGainLoss`	$-1.78M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$35.43M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	-	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$1.72M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$84.86M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	-	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$674.00K	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$19.73M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$1.92M	USD	Annual
Derivative gains (losses), net	`GainLossOnDerivativeInstrumentsNetPretax`	$-14.13M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$327.00K	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$-307.00K	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$-255.00K	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$323.00K	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.44M	USD	Annual
Foreign currency gains (losses), net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-4.72M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-21.10M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-51.48M	USD	Annual
Deferred income tax benefit	`DeferredIncomeTaxExpenseBenefit`	$-48.93M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$-49.17M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$2.95M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$-21.04M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$12.89M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$11.32M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$5.16M	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	-	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	$19.11M	USD	Annual
Other, net	`ProceedsFromOtherOperatingActivities`	-	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$-31.70M	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$-2.19M	USD	Annual
(Increase) decrease in receivables	`IncreaseDecreaseInReceivables`	$26.27M	USD	Annual
Increase in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$8.17M	USD	Annual
Increase in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$6.16M	USD	Annual
Increase in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$8.97M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-25.43M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-25.72M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$9.61M	USD	Annual
Net cash provided by operating activities of continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$107.58M	USD	Annual
Net cash provided by operating activities of continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$131.81M	USD	Annual
Net cash provided by operating activities of continuing operations	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$39.81M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$203.45M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$252.81M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$114.59M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$79.76M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$164.79M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$143.03M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$8.09M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$31.21M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$9.66M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$46.31M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$9.52M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$15.57M	USD	Annual
Proceeds on the sale of a controlling interest in a subsidiary	`ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries`	-	USD	Annual
Proceeds on the sale of a controlling interest in a subsidiary	`ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries`	$5.00M	USD	Annual
Proceeds on the sale of a controlling interest in a subsidiary	`ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries`	-	USD	Annual
Net repayments (advances) on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$3.50M	USD	Annual
Net repayments (advances) on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$-2.40M	USD	Annual
Net repayments (advances) on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$-14.39M	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$-24.48M	USD	Annual
(Issuances of) payments received on third party leases and notes receivable, net	`PaymentsForProceedsFromLoansAndLeases`	$2.71M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$2.25M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-16.14M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$733.00K	USD	Annual
Deposits into construction reserve funds and title XI reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$16.41M	USD	Annual
Deposits into construction reserve funds and title XI reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$13.81M	USD	Annual
Deposits into construction reserve funds and title XI reserve funds	`PaymentsForProceedsFromOtherInvestingActivities`	$1.59M	USD	Annual
Withdrawals from construction reserve funds and title XI reserve funds	`ConstructionReserveFundWithdrawals`	$-38.22M	USD	Annual
Withdrawals from construction reserve funds and title XI reserve funds	`ConstructionReserveFundWithdrawals`	$-42.63M	USD	Annual
Withdrawals from construction reserve funds and title XI reserve funds	`ConstructionReserveFundWithdrawals`	$-32.20M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-5.87M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$20.54M	USD	Annual
Net cash provided by (used in) investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$115.13M	USD	Annual
Net cash provided by (used in) investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-65.77M	USD	Annual
Net cash provided by (used in) investing activities of continuing operations	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-90.41M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$168.60M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$226.50M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$303.49M	USD	Annual
Net payments under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$-2.52M	USD	Annual
Net payments under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Net payments under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$231.84M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$94.38M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$44.90M	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$2.98M	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$7.37M	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$1.35M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$75.34M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$2.40M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$12.30M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$4.91M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$4.09M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$22.60M	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	-	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$400.00K	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	-	USD	Annual
Distributions to noncontrolling interests	`ProceedsFromPaymentsToMinorityShareholders`	$-248.00K	USD	Annual
Distributions to noncontrolling interests	`ProceedsFromPaymentsToMinorityShareholders`	$-4.34M	USD	Annual
Distributions to noncontrolling interests	`ProceedsFromPaymentsToMinorityShareholders`	$-4.00K	USD	Annual
Net cash used in financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-79.33M	USD	Annual
Net cash used in financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-249.65M	USD	Annual
Net cash used in financing activities of continuing operations	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-75.35M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-1.97M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$956.00K	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-2.93M	USD	Annual
Net Decrease in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-132.86M	USD	Annual
Net Decrease in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-11.28M	USD	Annual
Net Decrease in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-25.98M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-16.14M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$12.81M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$41.21M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-92.61M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$2.72M	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-21.58M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-7.15M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$12.29M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$160.51M	USD	Annual
Effect of Exchange Rate on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$-118.00K	USD	Annual
Effect of Exchange Rate on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$437.00K	USD	Annual
Effect of Exchange Rate on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$208.00K	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$51.64M	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$8.59M	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$32.35M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$40.36M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-17.39M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-100.51M	USD	Annual
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$316.79M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$239.25M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$316.79M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$256.64M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$357.15M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$239.25M	USD	Point-in-time

Stockholders Equity 61 line items

Line Item	Tag	Value	Unit	Period
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$753.36M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.44M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.30M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.73M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$21.15M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$1.95M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$4.37M	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$234.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$186.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$83.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$-123.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$1.18M	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	Annual
Exercise of conversion option in convertible debt	`StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments`	$3.00K	USD	Annual
Distribution of SEACOR Marine stock to shareholders	`StockholdersEquityNoteSpinoffTransaction`	$-527.69M	USD	Annual
Distribution of Dorian shares to shareholders	`DividendsPaidinkind`	-	USD	Annual
Distribution of Dorian shares to shareholders	`DividendsPaidinkind`	-	USD	Annual
Distribution of Dorian shares to shareholders	`DividendsPaidinkind`	$31.38M	USD	Annual
Issuance of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$-1.94M	USD	Annual
Purchase of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments`	$-4.79M	USD	Annual
Purchase of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments`	$927.00K	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$2.40M	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$75.34M	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$12.30M	USD	Annual
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$13.95M	USD	Annual
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$32.42M	USD	Annual
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$14.65M	USD	Annual
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Cancellation of restricted stock	`StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures`	-	USD	Annual
Purchase of subsidiary shares from noncontrolling interests, net of tax	`MinorityInterestDecreaseFromRedemptions`	$-3.69M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests, net of tax	`MinorityInterestDecreaseFromRedemptions`	$-497.00K	USD	Annual
Acquisition of a subsidiary with noncontrolling interests	`NoncontrollingInterestIncreaseFromBusinessCombination`	$17.37M	USD	Annual
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$1.58M	USD	Annual
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$14.67M	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$400.00K	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$5.20M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$7.43M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$3.75M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$61.64M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-68.78M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-215.90M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$20.07M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$20.12M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.93M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$10.18M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$79.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-195.77M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-456.00K	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.63M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$16.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-23.76M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$81.71M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-10.28M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-33.88M	USD	1 Quarter
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.54M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.01M	USD	Annual

Comprehensive Income 41 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`ProfitLoss`	$10.18M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$79.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-195.77M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-456.00K	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.63M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$16.10M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-23.76M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$81.71M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-10.28M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-33.88M	USD	1 Quarter
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-10.49M	USD	Annual
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$1.97M	USD	Annual
Foreign currency translation gains (losses), net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-3.59M	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-21.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-74.00K	USD	Annual
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-2.54M	USD	Annual
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-389.00K	USD	Annual
Derivative losses on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-1.30M	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$44.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$11.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-42.00K	USD	Annual
Other Comprehensive Loss, before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-10.18M	USD	Annual
Other Comprehensive Loss, before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-3.68M	USD	Annual
Other Comprehensive Loss, before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$1.71M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$1.14M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$3.17M	USD	Annual
Income tax (expense) benefit	`OtherComprehensiveIncomeLossTax`	$-702.00K	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.54M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.00M	USD	Annual
Other Comprehensive Loss, Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.01M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$82.71M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-202.78M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-62.39M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$20.23M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$19.01M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$8.50M	USD	Annual
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$62.49M	USD	Annual
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-221.79M	USD	Annual
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$-70.90M	USD	Annual

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