10-K Filing

SEACOR HOLDINGS INC /NEW/ CIK: 859598 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0000859598-16-000211`
Period End Date	20151231
Filing Date	20160229
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	ckh-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 114 Income Statement 156 Cash Flow Statement 167 Stockholders Equity 65 Comprehensive Income 44

Balance Sheet 114 line items

Line Item	Tag	Value	Unit	Period
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.16M	USD	Point-in-time
Trade receivables, allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.48M	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`	$434.18M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$530.01M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.68M	shares	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$16.43M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	-	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	37.51M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$138.20M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	20.53M	shares	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$58.00M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockShares`	19.37M	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
Preferred stock, shares authorized	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Trade, net of allowance for doubtful accounts of $2,483 and $3,162 in 2015 and 2014, respectively	`AccountsReceivableNetCurrent`	$159.08M	USD	Point-in-time
Trade, net of allowance for doubtful accounts of $2,483 and $3,162 in 2015 and 2014, respectively	`AccountsReceivableNetCurrent`	$225.24M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Other	`OtherReceivablesNetCurrent`	$27.22M	USD	Point-in-time
Other	`OtherReceivablesNetCurrent`	$67.75M	USD	Point-in-time
Preferred stock, shares issued	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Inventories	`InventoryNet`	$22.78M	USD	Point-in-time
Inventories	`InventoryNet`	$24.77M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$8.63M	USD	Point-in-time
Prepaid expenses and other	`PrepaidExpenseAndOtherAssetsCurrent`	$9.01M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$887.90M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$833.40M	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$2.12B	USD	Point-in-time
Historical cost	`PropertyPlantAndEquipmentGross`	$2.09B	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$994.18M	USD	Point-in-time
Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$902.28M	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$1.13B	USD	Point-in-time
Property, Plant and Equipment, Net In Service	`PropertyPlantAndEquipmentOther`	$1.18B	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$318.00M	USD	Point-in-time
Construction in progress	`ConstructionInProgressGross`	$454.61M	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.48B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.50B	USD	Point-in-time
Net property and equipment	`PropertyPlantAndEquipmentNet`	$1.58B	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$484.16M	USD	Point-in-time
Investments, at Equity, and Advances to 50% or Less Owned Companies	`InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures`	$331.10M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$255.41M	USD	Point-in-time
Construction Reserve Funds & Title XI Reserve Funds	`OtherRestrictedAssetsNoncurrent`	$278.02M	USD	Point-in-time
Goodwill	`Goodwill`	$52.34M	USD	Point-in-time
Goodwill	`Goodwill`	$62.76M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$26.39M	USD	Point-in-time
Intangible Assets, Net	`IntangibleAssetsNetExcludingGoodwill`	$32.73M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$40.63M	USD	Point-in-time
Other Assets	`OtherAssetsNoncurrent`	$48.65M	USD	Point-in-time
Total Assets	`Assets`	$3.10B	USD	Point-in-time
Total Assets	`Assets`	$3.23B	USD	Point-in-time
Total Assets	`Assets`	$3.19B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$48.50M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$35.53M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$103.76M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrent`	$71.95M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$21.94M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$31.82M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.77M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.81M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$6.80M	USD	Point-in-time
Accrued income taxes	`AccruedIncomeTaxesCurrent`	$5.80M	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	$4.83M	USD	Point-in-time
Short sales of marketable securities	`SecuritiesLoaned`	$7.34M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$11.59M	USD	Point-in-time
Accrued capital, repair and maintenance expenditures	`AccruedLiabilitiesCurrent`	$12.84M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$6.95M	USD	Point-in-time
Deferred revenues	`DeferredRevenueCurrent`	$6.79M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$38.06M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$35.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$200.16M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$261.72M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$1.03B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$823.72M	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`	$5.61M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$442.78M	USD	Point-in-time
Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$389.99M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$163.86M	USD	Point-in-time
Deferred Gains and Other Liabilities	`OtherLiabilitiesNoncurrent`	$188.66M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.79B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.72B	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued nor outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 37,684,829 and 37,505,843 shares issued in 2015 and 2014, respectively	`CommonStockValue`	$377.00K	USD	Point-in-time
Common stock, $.01 par value, 60,000,000 shares authorized; 37,684,829 and 37,505,843 shares issued in 2015 and 2014, respectively	`CommonStockValue`	$375.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.51B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.49B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.20B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.13B	USD	Point-in-time
Shares held in treasury of 20,529,929 and 19,365,716 in 2015 and 2014, respectively, at cost	`TreasuryStockValue`	$1.28B	USD	Point-in-time
Shares held in treasury of 20,529,929 and 19,365,716 in 2015 and 2014, 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`	$-1.99M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-3.50M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.19M	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$1.40B	USD	Point-in-time
Stockholders' equity attributable to SEACOR Holdings Inc.	`StockholdersEquity`	$1.27B	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$120.12M	USD	Point-in-time
Noncontrolling interests in subsidiaries	`MinorityInterest`	$117.99M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.19B	USD	Point-in-time
Liabilities and stockholders' equity, total	`LiabilitiesAndStockholdersEquity`	$3.23B	USD	Point-in-time

Income Statement 156 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$260.64M	USD	1 Quarter
Operating Revenues	`Revenues`	$342.22M	USD	1 Quarter
Operating Revenues	`Revenues`	$338.94M	USD	1 Quarter
Operating Revenues	`Revenues`	$1.32B	USD	Annual
Operating Revenues	`Revenues`	$328.22M	USD	1 Quarter
Operating Revenues	`Revenues`	$261.85M	USD	1 Quarter
Operating Revenues	`Revenues`	$281.61M	USD	1 Quarter
Operating Revenues	`Revenues`	$1.25B	USD	Annual
Operating Revenues	`Revenues`	$1.05B	USD	Annual
Operating Revenues	`Revenues`	$250.63M	USD	1 Quarter
Operating Revenues	`Revenues`	$310.02M	USD	1 Quarter
Operating	`OperatingCostsAndExpenses`	$748.61M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$908.87M	USD	Annual
Operating	`OperatingCostsAndExpenses`	$909.37M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$156.61M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$141.35M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$164.94M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$125.99M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.52M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.82M	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.21B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.18B	USD	Annual
Total costs and expenses	`CostsAndExpenses`	$1.03B	USD	Annual
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$51.98M	USD	Annual
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$37.51M	USD	Annual
Gains (Losses) on Asset Dispositions and Impairments, Net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-2.41M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$-928.00K	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$21.12M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$-13.67M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$50.87M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$100.04M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$57.42M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$28.22M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$24.25M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$165.24M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$7.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$32.71M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$19.66M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$15.47M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$20.02M	USD	Annual
Interest expense	`InterestExpense`	$43.63M	USD	Annual
Interest expense	`InterestExpense`	$43.30M	USD	Annual
Interest expense	`InterestExpense`	$42.59M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-28.50M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$-74.00K	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$28.76M	USD	Annual
Marketable security gains (losses), net	`MarketableSecuritiesGainLoss`	$5.80M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.90M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.32M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.10M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-4.75M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-6.33M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.35M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$586.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$3.44M	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$6.77M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-2.01M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-51.92M	USD	Annual
Nonoperating Income (Expense)	`NonoperatingIncomeExpense`	$-32.41M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-30.80M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$163.24M	USD	Annual
Income (Loss) from Continuing Operations Before Income Tax Expense (Benefit) and Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$67.63M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$26.57M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$16.18M	USD	Annual
Current	`CurrentIncomeTaxExpenseBenefit`	$72.26M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-17.06M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$-37.93M	USD	Annual
Deferred	`DeferredIncomeTaxExpenseBenefit`	$10.57M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$-11.36M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$55.20M	USD	Annual
Income Tax Expense (Benefit)	`IncomeTaxExpenseBenefit`	$26.75M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$108.04M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$-19.44M	USD	Annual
Income (Loss) from Continuing Operations Before Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeBeforeEquityInEarningsOf50OrLessOwnedCompanies`	$40.88M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$-40.41M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$7.26M	USD	Annual
Equity in Earnings (Losses) of 50% or Less Owned Companies	`IncomeLossFromEquityMethodInvestments`	$16.31M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$48.15M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-59.85M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$124.35M	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	-	USD	Annual
Loss from Discontinued Operations, Net of Tax	`IncomeLossFromDiscontinuedOperationsNetOfTax`	$-10.32M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-49.85M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$124.35M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$16.41M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-17.90M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$37.82M	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.21M	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$854.00K	USD	Annual
Net Income Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.93M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.51M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$100.13M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$40.09M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$687.00K	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$36.97M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-68.78M	USD	Annual
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$27.46M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$21.07M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$6.96M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-56.87M	USD	1 Quarter
Net Income (Loss) attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-19.57M	USD	1 Quarter
Net Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$100.13M	USD	Annual
Net Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$-68.78M	USD	Annual
Net Income (Loss) from Continuing Operations Attributable to SEACOR Holdings Inc.	`IncomeLossFromContinuingOperations`	$47.20M	USD	Annual
Net Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Net Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-10.22M	USD	Annual
Net Income (Loss) from Discontinued Operations, Net of Tax, Attributable to SEACOR Holdings Inc.	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$-3.94	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$5.18	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.37	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	$-0.51	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-3.36	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.57	USD	1 Quarter
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`	$2.22	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.05	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$5.18	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.04	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.43	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$1.86	USD	Annual
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$0.40	USD	1 Quarter
Basic Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareBasic`	$-1.10	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$4.71	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-3.94	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Continuing Operations	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.32	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	$-0.50	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc. from Discontinued Operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.28	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.82	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$1.85	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.56	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-3.36	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.04	USD	1 Quarter
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`	$0.40	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$4.71	USD	Annual
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$-1.10	USD	1 Quarter
Diluted Earnings (Loss) Per Common Share of SEACOR Holdings Inc.	`EarningsPerShareDiluted`	$0.98	USD	1 Quarter
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	17.45M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	19.89M	shares	Annual
Basic Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	19.34M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	25.77M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	20.29M	shares	Annual
Diluted Weighted Average Common Shares Outstanding	`WeightedAverageNumberOfDilutedSharesOutstanding`	17.45M	shares	Annual

Cash Flow Statement 167 line items

Line Item	Tag	Value	Unit	Period
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$48.15M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$-59.85M	USD	Annual
Income (Loss) from Continuing Operations	`IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest`	$124.35M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$125.99M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.52M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$131.82M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$10.69M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$22.52M	USD	Annual
Amortization of deferred gains on sale and leaseback transactions	`SaleLeasebackTransactionCurrentPeriodGainRecognized`	$18.85M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$12.42M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$19.79M	USD	Annual
Debt discount amortization, net	`AmortizationOfDebtDiscountPremium`	$18.54M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-15.12M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-14.30M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-14.65M	USD	Annual
Director stock awards	`DirectorStockAwards`	$211.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$242.00K	USD	Annual
Director stock awards	`DirectorStockAwards`	$211.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$2.62M	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$170.00K	USD	Annual
Bad debt expense (income)	`ProvisionForDoubtfulAccounts`	$842.00K	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$51.98M	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$37.51M	USD	Annual
Gains on asset dispositions and impairments, net	`GainLossOnSalesOfAssetsAndAssetImpairmentCharges`	$-2.41M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	$-28.50M	USD	Annual
Debt extinguishment losses, net	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$-74.00K	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$28.76M	USD	Annual
Marketable security gains, net	`MarketableSecuritiesGainLoss`	$5.80M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$7.39M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$15.81M	USD	Annual
Purchases of marketable securities	`PaymentsForPurchaseOfSecuritiesOperatingActivities`	$72.08M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$12.79M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$91.33M	USD	Annual
Proceeds from sale of marketable securities	`ProceedsFromSaleOfSecuritiesOperatingActivities`	$6.80M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-3.90M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-8.32M	USD	Annual
Derivative losses, net	`GainLossOnDerivativeInstrumentsNetPretax`	$-2.10M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$11.40M	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$-359.00K	USD	Annual
Cash settlements on derivative transactions, net	`PaymentsforProceedsfromDerivativeInstrumentsOperatingActivities`	$5.70M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-4.75M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-6.33M	USD	Annual
Foreign currency losses, net	`ForeignCurrencyTransactionGainLossBeforeTax`	$-3.35M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-17.06M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-37.93M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$10.57M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$-40.41M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$7.26M	USD	Annual
Equity in (earnings) losses of 50% or less owned companies, net of tax	`IncomeLossFromEquityMethodInvestments`	$16.31M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$9.29M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$9.49M	USD	Annual
Dividends received from 50% or less owned companies	`ProceedsFromDividendsReceived`	$15.25M	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	-	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	$339.00K	USD	Annual
Other, net	`PaymentsForOtherOperatingActivities`	$-7.29M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-74.83M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-7.51M	USD	Annual
Decrease in receivables	`IncreaseDecreaseInReceivables`	$-8.87M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$11.22M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$4.70M	USD	Annual
(Increase) decrease in prepaid expenses and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$2.60M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$16.76M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$4.84M	USD	Annual
Increase (decrease) in accounts payable, accrued expenses and other liabilities	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-46.76M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$171.16M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$185.03M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$191.38M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$195.90M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$360.64M	USD	Annual
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$295.93M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$95.46M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$263.85M	USD	Annual
Proceeds from disposition of property and equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$254.76M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$90.81M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$56.19M	USD	Annual
Investments in and advances to 50% or less owned companies	`PaymentsToAcquireEquityMethodInvestments`	$171.48M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$18.27M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$61.48M	USD	Annual
Return of investments and advances of 50% or less owned companies	`EquityMethodInvestmentDividendsOrDistributions`	$36.31M	USD	Annual
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	-	USD	Annual
Net advances on revolving credit line to 50% or less owned companies	`NetAdvancesOnRevolvingCreditLineToFiftyPercentOrLessOwnedCompanies`	$3.50M	USD	Annual
Net 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	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$16.42M	USD	Annual
(issuances of) payments received on third party leases and notes receivable, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$1.24M	USD	Annual
(issuances of) payments received on third party leases and notes receivable, net	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$-8.44M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-15.30M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$4.26M	USD	Annual
Net (increase) decrease in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-16.43M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$66.11M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$-22.61M	USD	Annual
Net (increase) decrease in construction reserve funds and title XI funds	`NetDecreaseInConstructionReserveFundsAndTitleXiReserveFunds`	$16.28M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$35.00M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$11.13M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-224.36M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-130.77M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-158.38M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$233.26M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$35.44M	USD	Annual
Payments on long-term debt and capital lease obligations	`RepaymentsOfDebtAndCapitalLeaseObligations`	$18.16M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$-2.66M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$-4.24M	USD	Annual
Net borrowings (repayments) under inventory financing arrangements	`ProceedsFromRepaymentsOfOtherDebt`	$1.53M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$176.59M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$26.92M	USD	Annual
Proceeds from Issuance of long-term debt, net of offering costs	`ProceedsFromIssuanceOfLongTermDebt`	$400.12M	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromOtherEquity`	-	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromOtherEquity`	-	USD	Annual
Proceeds from issuance of conversion option in convertible debt, net of offering costs	`ProceedsFromOtherEquity`	$47.16M	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	-	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	$2.98M	USD	Annual
Purchase of conversion option in convertible debt	`PaymentsForRepurchaseOfOtherEquity`	-	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$197.34M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	$75.34M	USD	Annual
Common stock acquired for treasury	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	$-357.00K	USD	Annual
Share award settlements for Era Group employees and directors	`CashReceivedPaidForShareSettlementsFromSpinoffTransactions`	-	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$9.24M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$19.97M	USD	Annual
Proceeds and tax benefits from share award plans	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$4.09M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$2.09M	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$151.85M	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$40.00K	USD	Annual
Issuance of noncontrolling interests, net of issue costs	`ProceedsFromMinorityShareholders`	$400.00K	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-5.20M	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-4.19M	USD	Annual
Dividends paid to noncontrolling interests, net	`ProceedsFromPaymentsToMinorityShareholders`	$-6.07M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$85.17M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-57.17M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$222.57M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-3.10M	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$477.00K	USD	Annual
Effects of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations`	$-2.11M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$277.31M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$95.83M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents from Continuing Operations	`NetCashProvidedByUsedInContinuingOperations`	$-93.25M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$24.30M	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Operating Activities	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	-	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	-	USD	Annual
Investing Activities	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-8.50M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	$-14.02M	USD	Annual
Financing Activities	`CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations`	-	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	-	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	$143.00K	USD	Annual
Effect of Exchange Rate Changes on Cash and Cash Equivalents	`EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations`	-	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	$1.92M	USD	Annual
Net Increase in Cash and Cash Equivalents from Discontinued Operations	`NetCashProvidedByUsedInDiscontinuedOperations`	-	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$95.83M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$279.23M	USD	Annual
Net Increase (Decrease) in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-93.25M	USD	Annual
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$434.18M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$530.01M	USD	Point-in-time
Cash and Cash Equivalents, Beginning of Year	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$434.18M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$527.43M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$530.01M	USD	Point-in-time
Cash and Cash Equivalents, End of Year	`CashAndCashEquivalentsAtCarryingValue`	$248.20M	USD	Point-in-time

Stockholders Equity 65 line items

Line Item	Tag	Value	Unit	Period
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.52B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.30M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.77M	USD	Annual
Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.17M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.88M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$1.95M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$18.23M	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$234.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$210.00K	USD	Annual
Director stock awards	`StockIssuedDuringPeriodValueIssuedForServices`	$210.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$113.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$-123.00K	USD	Annual
Restricted stock and restricted stock units	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	$222.00K	USD	Annual
Issuance of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$30.65M	USD	Annual
Purchase of conversion option in convertible debt, net of tax	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments`	$-1.94M	USD	Annual
Distribution of Era Group stock to shareholders	`Dividends`	$415.37M	USD	Annual
Share award settlements for Era Group employees and directors	`AdjustmentsToAdditionalPaidInCapitalOther`	$-631.00K	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$197.34M	USD	Annual
Purchase of treasury shares	`StockRepurchasedDuringPeriodValue`	$-75.34M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-15.12M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-14.30M	USD	Annual
Amortization of share awards	`AmortizationOfESOPAward`	$-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	`MinorityInterestDecreaseFromRedemptions`	$497.00K	USD	Annual
Purchase of subsidiary shares from noncontrolling interests	`MinorityInterestDecreaseFromRedemptions`	$-3.11M	USD	Annual
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$1.58M	USD	Annual
Disposition of subsidiary with noncontrolling interests	`NoncontrollingInterestDecreaseFromDeconsolidation`	$1.12M	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$152.42M	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$400.00K	USD	Annual
Issuance of noncontrolling interests	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$40.00K	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$6.07M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$5.20M	USD	Annual
Dividends paid to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.19M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$11.51M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$100.13M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$40.09M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$687.00K	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$36.97M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-68.78M	USD	Annual
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$27.46M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$21.07M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$6.96M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-56.87M	USD	1 Quarter
Net Income attributable to SEACOR Holdings Inc.	`NetIncomeLoss`	$-19.57M	USD	1 Quarter
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$24.21M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$854.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$8.93M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-49.85M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$124.35M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$16.41M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-17.90M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$37.82M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$928.00K	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.54M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.79M	USD	Annual

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`ProfitLoss`	$27.52M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-49.85M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$124.35M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$-59.85M	USD	Annual
Net Income (Loss)	`ProfitLoss`	$16.41M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$33.78M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-17.90M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$49.33M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$-8.50M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$13.71M	USD	1 Quarter
Net Income (Loss)	`ProfitLoss`	$37.82M	USD	Annual
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-3.59M	USD	Annual
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-4.26M	USD	Annual
Foreign currency translation gain (losses)	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$859.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$165.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-222.00K	USD	Annual
Reclassification of foreign currency translation (gains) losses to foreign currency losses, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$-21.00K	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-1.30M	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-140.00K	USD	Annual
Derivative gains (losses) on cash flow hedges	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$109.00K	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-1.15M	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$-511.00K	USD	Annual
Reclassification of derivative losses on cash flow hedges to equity in earnings (losses) of 50% or less owned companies	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$622.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$17.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$28.00K	USD	Annual
Other	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$42.00K	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$1.39M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-3.68M	USD	Annual
Other Comprehensive Income (Loss), before Tax	`OtherComprehensiveIncomeLossBeforeTax`	$-4.03M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$-1.14M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$-1.25M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossTax`	$-457.00K	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$928.00K	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.54M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.79M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$121.56M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$38.75M	USD	Annual
Comprehensive Income (Loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-62.39M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$23.74M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$8.50M	USD	Annual
Comprehensive Income attributable to Noncontrolling Interests in Subsidiaries	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$933.00K	USD	Annual
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$97.82M	USD	Annual
Comprehensive Income (Loss) attributable to SEACOR Holdings Inc.	`ComprehensiveIncomeNetOfTax`	$37.82M	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.