$GLDD
Great Lakes Dredge & Dock CORP Stock $gldd

$gldd Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000156459022027462 Filed on August 02, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$158.3M	$149.4M	$194.3M
YoY Change	-6.1%	-12.06%	9.43%
Cost Of Revenue	$154.5M	$138.9M	$161.3M
YoY Change	16.77%	-5.47%	11.54%
Gross Profit	$3.799M	$10.48M	$33.06M
YoY Change	-89.53%	-54.28%	-0.06%
Gross Profit Margin	2.4%	7.01%	17.01%
Selling, General & Admin	$13.29M	$10.82M	$14.60M
YoY Change	-12.36%	-23.93%	-10.4%
% of Gross Profit	349.88%	103.23%	44.18%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.05M	$11.61M	$11.32M
YoY Change	0.49%	9.76%	12.56%
% of Gross Profit	290.79%	110.81%	34.23%
Operating Expenses	$13.29M	$10.82M	$14.60M
YoY Change	-12.36%	-23.93%	-10.4%
Operating Profit	-$9.453M	-$342.0K	$18.45M
YoY Change	-144.77%	-103.87%	9.98%
Interest Expense	-$3.551M	-$3.424M	-$4.025M
YoY Change	-15.73%	-48.57%	-39.02%
% of Operating Profit			-21.81%
Other Income/Expense, Net	-$253.0K	-$1.120M	-$405.0K
YoY Change	24.02%	-248.34%	-387.23%
Pretax Income	-$13.26M	-$4.886M	$14.34M
YoY Change	-178.04%	-266.53%	40.57%
Income Tax	-$3.347M	-$853.0K	$3.285M
% Of Pretax Income			22.9%
Net Earnings	-$9.910M	-$4.033M	$11.06M
YoY Change	-171.78%	-291.59%	25.45%
Net Earnings / Revenue	-6.26%	-2.7%	5.69%
Basic Earnings Per Share	-$0.15	-$0.06	$0.17
Diluted Earnings Per Share	-$0.15	-$0.06	$0.17
COMMON SHARES
Basic Shares Outstanding	66.08M	66.07M	65.85M
Diluted Shares Outstanding	66.11M	66.07M	66.44M

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$38.83M	$75.42M	$142.6M
YoY Change	-77.66%	-58.28%	-19.76%
Cash & Equivalents	$38.83M	$75.42M	$142.6M
Short-Term Investments
Other Short-Term Assets	$36.34M	$44.63M	$43.37M
YoY Change	9.71%	13.47%	-0.53%
Inventory	$27.30M	$31.13M	$30.39M
Prepaid Expenses
Receivables	$130.3M	$131.9M	$111.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$232.8M	$283.1M	$328.0M
YoY Change	-25.96%	-12.39%	-6.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$517.8M	$495.2M	$531.9M
YoY Change	7.0%	4.18%	16.03%
Goodwill	$76.58M	$76.58M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$8.019M	$9.580M	$82.32M
YoY Change	-89.43%	-87.15%	9.32%
Total Long-Term Assets	$770.7M	$732.0M	$690.8M
YoY Change	21.12%	16.85%	13.19%
TOTAL ASSETS
Total Short-Term Assets	$232.8M	$283.1M	$328.0M
Total Long-Term Assets	$770.7M	$732.0M	$690.8M
Total Assets	$1.004B	$1.015B	$1.019B
YoY Change	5.55%	6.9%	6.13%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$81.25M	$95.79M	$98.18M
YoY Change	15.09%	19.95%	38.68%
Accrued Expenses	$37.67M	$24.72M	$33.95M
YoY Change	-8.17%	-33.61%	-22.87%
Deferred Revenue	$5.451M	$2.614M	$3.687M
YoY Change	-70.93%	-90.93%	-90.46%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$147.0M	$141.6M	$151.9M
YoY Change	1.4%	-11.62%	-10.3%
LONG-TERM LIABILITIES
Long-Term Debt	$321.4M	$321.2M	$321.1M
YoY Change	0.17%	0.17%	-0.89%
Other Long-Term Liabilities	$6.693M	$7.588M	$56.59M
YoY Change	-86.04%	-84.58%	9.66%
Total Long-Term Liabilities	$328.1M	$328.8M	$377.7M
YoY Change	-11.04%	-11.1%	0.56%
TOTAL LIABILITIES
Total Short-Term Liabilities	$147.0M	$141.6M	$151.9M
Total Long-Term Liabilities	$328.1M	$328.8M	$377.7M
Total Liabilities	$606.6M	$603.0M	$603.4M
YoY Change	5.31%	2.28%	0.01%
SHAREHOLDERS EQUITY
Retained Earnings	$87.48M	$97.39M
YoY Change
Common Stock	$310.6M	$308.8M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$396.9M	$412.2M	$415.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.004B	$1.015B	$1.019B
YoY Change	5.55%	6.9%	6.13%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	-$9.910M	-$4.033M	$11.06M
YoY Change	-171.78%	-291.59%	25.45%
Depreciation, Depletion And Amortization	$11.05M	$11.61M	$11.32M
YoY Change	0.49%	9.76%	12.56%
Cash From Operating Activities	-$7.497M	-$25.47M	$26.32M
YoY Change	-204.02%	-156.85%	-384.82%
INVESTING ACTIVITIES
Capital Expenditures	-$30.87M	-$42.83M	-$28.87M
YoY Change	81.86%	13.24%	-206.76%
Acquisitions
YoY Change
Other Investing Activities	$40.00K	$950.0K	$1.110M
YoY Change	-98.99%	326.01%
Cash From Investing Activities	-$30.83M	-$41.89M	-$27.76M
YoY Change	136.84%	11.38%	2.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-263.0K	193.0K	-1.437M
YoY Change	-129.89%	-104.55%	-43.07%
NET CHANGE
Cash From Operating Activities	-7.497M	-25.47M	26.32M
Cash From Investing Activities	-30.83M	-41.89M	-27.76M
Cash From Financing Activities	-263.0K	193.0K	-1.437M
Net Change In Cash	-38.59M	-67.16M	-2.876M
YoY Change	682.86%	-2371.32%	-92.59%
FREE CASH FLOW
Cash From Operating Activities	-$7.497M	-$25.47M	$26.32M
Capital Expenditures	-$30.87M	-$42.83M	-$28.87M
Free Cash Flow	$23.37M	$17.36M	$55.18M
YoY Change	-3.35%	-78.99%	-252.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
	dei	Entity Central Index Key EntityCentralIndexKey	0001372020
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q2	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Registrant Name EntityRegistrantName	Great Lakes Dredge & Dock Corporation
CY2022Q2	us-gaap	Assets Current AssetsCurrent	283120000
CY2021Q4	us-gaap	Inventory Noncurrent InventoryNoncurrent	65049000
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	169914000
CY2022Q2	us-gaap	Gross Profit GrossProfit	10481000
CY2021Q2	us-gaap	Gross Profit GrossProfit	22922000
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-342000
	us-gaap	Operating Income Loss OperatingIncomeLoss	25484000
CY2022Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-3424000
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-13243000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66187000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-376000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	404000
	gldd	Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense	634000
	us-gaap	Share Based Compensation ShareBasedCompensation	1552000
CY2022Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	447000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5859000
	us-gaap	Share Based Compensation ShareBasedCompensation	2564000
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-13628000
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3249000
	gldd	Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	22771000
	gldd	Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	2450000
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	356610000
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8528000
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1233000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	8052000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	773000
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-12200000
	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	-609000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	846000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	35601000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	71701000
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20681000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2432000
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	180767000
	gldd	Interest Paid Net Of Cash Received InterestPaidNetOfCashReceived	8808000
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-4033000
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2218000
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	318000
	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	32000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2290000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-127000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	136000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	1979000
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	180000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2105000
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	404000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	360097000
	us-gaap	Profit Loss ProfitLoss	7024000
	us-gaap	Profit Loss ProfitLoss	10919000
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	22930000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	64828000
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2060000
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	223000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-69641000
	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	4395000
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1827000
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3784000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	583000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1440000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1244000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6739000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-70039000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-35743000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	147459000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	216510000
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	77420000
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	180767000
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	75420000
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	180767000
CY2022Q2	us-gaap	Restricted Cash Equivalents RestrictedCashEquivalents	2000000
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	77420000
	us-gaap	Derivative Nonmonetary Notional Amount Volume DerivativeNonmonetaryNotionalAmountVolume	6200000
CY2022Q2	us-gaap	Fair Value Hedge Assets At Fair Value FairValueHedgeAssetsAtFairValue	8710000
	gldd	Interest Paid Net Of Cash Received InterestPaidNetOfCashReceived	13984000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1239000
CY2021Q4	us-gaap	Fair Value Hedge Assets At Fair Value FairValueHedgeAssetsAtFairValue	630000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-7200000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	332000
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	13921000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-376000
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	11139000
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	404000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5859000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2290000
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-4033000
CY2021Q2	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	325000000
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66071000
CY2021Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	491000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	729000
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66071000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66137000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66480000
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
	gldd	Increased Gross Profit IncreasedGrossProfit	17362000
CY2022Q2	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	2061000
CY2022Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	12193000
CY2022Q2	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5598000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6427000
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	13533000
CY2022Q2	us-gaap	Interest Payable Current InterestPayableCurrent	1459000
CY2022Q2	us-gaap	Taxes Payable Current TaxesPayableCurrent	1301000
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	2941000
CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	24717000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	37626000
CY2022Q2	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	0
CY2021Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	0
CY2022Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	21527000
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	25127000
CY2022Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	178076000
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	174546000
CY2022Q2	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	397000
CY2021Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	327000
	gldd	Performance Obligation Expected To Be Recognized As Revenue Year PerformanceObligationExpectedToBeRecognizedAsRevenueYear	2022
CY2022Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Year1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionYear1	2023
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	5909000
CY2021Q2	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	4452000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	603000
CY2022Q2	us-gaap	Share Based Compensation ShareBasedCompensation	1000000
CY2021Q2	us-gaap	Share Based Compensation ShareBasedCompensation	798000
	us-gaap	Share Based Compensation ShareBasedCompensation	1552000
	us-gaap	Share Based Compensation ShareBasedCompensation	1552000
	us-gaap	Share Based Compensation ShareBasedCompensation	2564000
CY2022Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	373801000
	gldd	Percentage Of Performance Obligation To Be Recognized As Revenue PercentageOfPerformanceObligationToBeRecognizedAsRevenue	0.73
CY2022Q2	gldd	Accounts Receivable Billed For Long Term Completed Contracts Or Programs AccountsReceivableBilledForLongTermCompletedContractsOrPrograms	34030000
CY2021Q4	gldd	Accounts Receivable Billed For Long Term Completed Contracts Or Programs AccountsReceivableBilledForLongTermCompletedContractsOrPrograms	10612000
CY2022Q2	gldd	Accounts Receivable Billed For Long Term Contracts Or Programs In Progress AccountsReceivableBilledForLongTermContractsOrProgramsInProgress	31211000
CY2021Q4	gldd	Accounts Receivable Billed For Long Term Contracts Or Programs In Progress AccountsReceivableBilledForLongTermContractsOrProgramsInProgress	65415000
CY2022Q2	us-gaap	Construction Contractor Receivable Retainage ConstructionContractorReceivableRetainage	4648000
CY2021Q4	us-gaap	Construction Contractor Receivable Retainage ConstructionContractorReceivableRetainage	7490000
CY2022Q2	us-gaap	Accounts Receivable Gross AccountsReceivableGross	69889000
CY2021Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	83517000
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	564000
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	564000
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	69325000
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	82953000
CY2022Q2	gldd	Costs And Earnings In Excess Of Billings For Contracts In Progress CostsAndEarningsInExcessOfBillingsForContractsInProgress	37805000
CY2021Q4	gldd	Costs And Earnings In Excess Of Billings For Contracts In Progress CostsAndEarningsInExcessOfBillingsForContractsInProgress	30057000
CY2022Q2	gldd	Costs And Earnings In Excess Of Billings For Completed Contracts CostsAndEarningsInExcessOfBillingsForCompletedContracts	25917000
CY2021Q4	gldd	Costs And Earnings In Excess Of Billings For Completed Contracts CostsAndEarningsInExcessOfBillingsForCompletedContracts	10894000
CY2022Q2	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	63722000
CY2021Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	40951000
CY2022Q2	us-gaap	Contract Receivable Due One Year Or Less ContractReceivableDueOneYearOrLess	62615000
CY2021Q4	us-gaap	Contract Receivable Due One Year Or Less ContractReceivableDueOneYearOrLess	39844000
CY2022Q2	us-gaap	Contract Receivable Due After One Year ContractReceivableDueAfterOneYear	1107000
CY2022Q2	gldd	Revenue Value Remaining From Outstanding Performance Bonds RevenueValueRemainingFromOutstandingPerformanceBonds	373801000
CY2015Q1	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	5309000
CY2021Q4	us-gaap	Contract Receivable Due After One Year ContractReceivableDueAfterOneYear	1107000
CY2022Q2	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	63722000
CY2021Q4	us-gaap	Accounts Receivable Billed For Long Term Contracts Or Programs AccountsReceivableBilledForLongTermContractsOrPrograms	40951000
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2614000
CY2021Q2	gldd	Fine For Violation FineForViolation	1000000
CY2022Q2	gldd	Fine Paid For Criminal Matters FinePaidForCriminalMatters	1000000
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	14814000
CY2022Q1	gldd	Increased Gross Profit IncreasedGrossProfit	5638000
CY2022Q2	gldd	Restitution Owe On Liability For Criminal Matters Previously Deposited RestitutionOweOnLiabilityForCriminalMattersPreviouslyDeposited	2000000
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	11756000
CY2022Q2	gldd	Outstanding Performance Bonds OutstandingPerformanceBonds	976656000
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	149428000
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	997670000
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1015150000
CY2021Q4	us-gaap	Assets Current AssetsCurrent	327432000
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	291549000
CY2021Q2	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q2	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
CY2022Q2	us-gaap	Liabilities Liabilities	602962000
	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	343777000
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	146992000
CY2022Q2	us-gaap	Inventory Noncurrent InventoryNoncurrent	73205000
	us-gaap	Type Of Cost Good Or Service Extensible List TypeOfCostGoodOrServiceExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
CY2022Q2	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2022#ServiceMember
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	347547000
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	300241000
CY2022Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	138947000
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Trading Symbol TradingSymbol	GLDD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	320971000
CY2022Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	59655000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	45986000
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	72908000
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	68497000
CY2022Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7588000
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8484000
CY2021Q4	us-gaap	Liabilities Liabilities	598673000
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25424000
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-5336063
	dei	Security12b Title Security12bTitle	Common Stock (Par Value $0.0001)
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2021Q4	us-gaap	Inventory Net InventoryNet	30760000
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	75420000
CY2022Q2	us-gaap	Contract Receivable Due One Year Or Less ContractReceivableDueOneYearOrLess	62615000
	dei	Entity Address Address Line1 EntityAddressAddressLine1	9811 Katy Freeway
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	495220000
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	28416000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	455102000
CY2022Q2	gldd	Accounts Receivable Excluding Contract Receivable Current AccountsReceivableExcludingContractReceivableCurrent	69325000
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
CY2022Q2	us-gaap	Inventory Net InventoryNet	31132000
	dei	Entity Small Business EntitySmallBusiness	false
CY2022Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	44628000
	dei	Entity Shell Company EntityShellCompany	false
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77024
	dei	Entity File Number EntityFileNumber	001-33225
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	66083310
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 1200
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	77449000
	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
	dei	City Area Code CityAreaCode	346
	dei	Local Phone Number LocalPhoneNumber	359-1010
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	62233000
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	145459000
CY2021Q4	gldd	Accounts Receivable Excluding Contract Receivable Current AccountsReceivableExcludingContractReceivableCurrent	82953000
CY2021Q4	us-gaap	Contract Receivable Due One Year Or Less ContractReceivableDueOneYearOrLess	39844000
CY2022Q2	us-gaap	Goodwill Goodwill	76576000
CY2021Q4	us-gaap	Goodwill Goodwill	76576000
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	9580000
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	11278000
CY2022Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	321246000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	16729000
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	66083000
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	6000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	412188000
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	65746000
CY2022Q2	us-gaap	Assets Assets	1015150000
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	308482000
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	66083000
CY2021Q4	us-gaap	Assets Assets	997670000
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	6000
CY2022Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	95793000
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	308790000
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	85566000
CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	24717000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	37626000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	65746000
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	18441000
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	97393000
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2614000
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	90369000
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	14814000
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	141565000
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	140000
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	154735000
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90000000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	398997000
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5999000
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	755000
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1525000
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	896000
	us-gaap	Gross Profit GrossProfit	43536000
	us-gaap	Gross Profit GrossProfit	55998000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65646000
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14224000
CY2022Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	10820000
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	30546000
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	32000
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	8836000
	us-gaap	Operating Income Loss OperatingIncomeLoss	18430000
	us-gaap	Net Income Loss NetIncomeLoss	10919000
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2934000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9456000
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2021Q2	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-6657000
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	829000
	us-gaap	Net Income Loss NetIncomeLoss	7024000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65959000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2105000
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-7449000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2432000
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65458000
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12883000
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66137000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66480000
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2105000
	us-gaap	Net Income Loss NetIncomeLoss	7024000
	us-gaap	Net Income Loss NetIncomeLoss	10919000
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2509000
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4131000
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3906000
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-2668000
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-3775000
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-4409000
CY2022Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1120000
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-4033000
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-853000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2218000
	gldd	Vesting Of Restricted Stock Units Value And Impact Of Shares Withheld For Taxes VestingOfRestrictedStockUnitsValueAndImpactOfSharesWithheldForTaxes	3784000
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1552000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	346668000
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-4886000
	us-gaap	Net Income Loss NetIncomeLoss	10919000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13209000
	gldd	Vesting Of Restricted Stock Units Value And Impact Of Shares Withheld For Taxes VestingOfRestrictedStockUnitsValueAndImpactOfSharesWithheldForTaxes	1827000
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66071000
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
	us-gaap	Net Income Loss NetIncomeLoss	7024000
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	66071000
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-4033000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	398997000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	583000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5859000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	412188000
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2564000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1440000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2290000
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	360097000
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	415404000
CY2022Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1000000
CY2022Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	193000
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-376000
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	412188000
CY2021Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	798000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13137000
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
CY2022Q2	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-3000
CY2021Q2	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	138000
	gldd	Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense	1715000
	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	318000
	gldd	Number Of Reportable Segments With Goodwill NumberOfReportableSegmentsWithGoodwill	1
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2105000
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1
	us-gaap	Net Income Loss NetIncomeLoss	7024000
	us-gaap	Net Income Loss NetIncomeLoss	10919000
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65646000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65959000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65458000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	521000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	66187000
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2021Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	12821000
CY2022Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	4166000
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1460000
CY2021Q4	gldd	Accrued Contract Reserves Liabilities Current AccruedContractReservesLiabilitiesCurrent	444000
	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	-282000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-64605000

Files In Submission

Name	View Source	Status
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$GLDD
Great Lakes Dredge & Dock CORP Stock $gldd

2022 Q3 Form 10-Q Financial Statement

#000156459022027462 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GLDD Great Lakes Dredge & Dock CORP Stock $gldd

2022 Q3 Form 10-Q Financial Statement

#000156459022027462 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GLDD
Great Lakes Dredge & Dock CORP Stock $gldd