2021 Q4 Form 10-K Financial Statement
#000156459022006231 Filed on February 23, 2022
Income Statement
Concept | 2021 Q4 | 2021 | 2020 Q4 |
---|---|---|---|
Revenue | $210.0M | $726.1M | $172.1M |
YoY Change | 22.0% | -1.02% | 4.75% |
Cost Of Revenue | $157.0M | $580.9M | $138.8M |
YoY Change | 13.09% | 3.29% | 7.02% |
Gross Profit | $52.99M | $145.3M | $33.40M |
YoY Change | 58.66% | -15.16% | -3.47% |
Gross Profit Margin | 25.24% | 20.01% | 19.41% |
Selling, General & Admin | $16.42M | $62.13M | $17.50M |
YoY Change | -6.17% | -1.06% | 8.02% |
% of Gross Profit | 30.99% | 42.77% | 52.4% |
Research & Development | |||
YoY Change | |||
% of Gross Profit | |||
Depreciation & Amortization | $11.34M | $43.02M | $10.60M |
YoY Change | 7.0% | 12.66% | 2.91% |
% of Gross Profit | 21.4% | 29.61% | 31.74% |
Operating Expenses | $16.42M | $62.13M | $17.50M |
YoY Change | -6.17% | -0.9% | 8.02% |
Operating Profit | $36.57M | $83.14M | $15.90M |
YoY Change | 130.0% | -23.4% | -13.59% |
Interest Expense | -$4.144M | -$20.60M | -$6.500M |
YoY Change | -36.25% | -21.07% | 0.0% |
% of Operating Profit | -11.33% | -24.78% | -40.88% |
Other Income/Expense, Net | $302.0K | $994.0K | $1.500M |
YoY Change | -79.87% | -103.9% | |
Pretax Income | $32.70M | $65.71M | $12.30M |
YoY Change | 165.85% | -30.71% | -22.15% |
Income Tax | $7.992M | $13.39M | $1.700M |
% Of Pretax Income | 24.44% | 20.38% | 13.82% |
Net Earnings | $24.71M | $49.43M | $10.60M |
YoY Change | 133.08% | -25.22% | -33.75% |
Net Earnings / Revenue | 11.77% | 6.81% | 6.16% |
Basic Earnings Per Share | $0.75 | ||
Diluted Earnings Per Share | $371.7K | $0.75 | $160.8K |
COMMON SHARES | |||
Basic Shares Outstanding | 65.59M | ||
Diluted Shares Outstanding | 66.30M |
Balance Sheet
Concept | 2021 Q4 | 2021 | 2020 Q4 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $145.5M | $145.5M | $216.5M |
YoY Change | -32.81% | -32.81% | 15.78% |
Cash & Equivalents | $145.5M | $145.5M | $216.5M |
Short-Term Investments | |||
Other Short-Term Assets | $26.40M | $28.42M | $37.31M |
YoY Change | -29.24% | -29.66% | -5.93% |
Inventory | $30.76M | $30.76M | $34.69M |
Prepaid Expenses | $2.017M | $3.091M | |
Receivables | $122.8M | $122.8M | $71.10M |
Other Receivables | $0.00 | $0.00 | $0.00 |
Total Short-Term Assets | $327.4M | $327.4M | $362.7M |
YoY Change | -9.72% | -9.72% | 20.61% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $455.1M | $517.3M | $383.0M |
YoY Change | 18.81% | 15.43% | 2.25% |
Goodwill | $76.58M | $76.58M | |
YoY Change | 0.0% | 0.0% | |
Intangibles | |||
YoY Change | |||
Long-Term Investments | |||
YoY Change | |||
Other Assets | $11.28M | $76.33M | $12.11M |
YoY Change | -6.89% | 8.27% | 52.16% |
Total Long-Term Assets | $670.2M | $670.2M | $595.3M |
YoY Change | 12.58% | 12.59% | -0.25% |
TOTAL ASSETS | |||
Total Short-Term Assets | $327.4M | $327.4M | $362.7M |
Total Long-Term Assets | $670.2M | $670.2M | $595.3M |
Total Assets | $997.7M | $997.7M | $958.0M |
YoY Change | 4.14% | 4.14% | 6.74% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $85.57M | $85.57M | $71.31M |
YoY Change | 19.99% | 20.01% | -6.29% |
Accrued Expenses | $37.63M | $51.41M | $52.90M |
YoY Change | -28.87% | -26.76% | 3.27% |
Deferred Revenue | $14.81M | $32.61M | |
YoY Change | -54.57% | -41.0% | |
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | |||
YoY Change | |||
Total Short-Term Liabilities | $154.7M | $154.7M | $176.3M |
YoY Change | -12.23% | -12.23% | -13.56% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $321.0M | $321.0M | $323.7M |
YoY Change | -0.85% | -0.84% | 0.28% |
Other Long-Term Liabilities | $8.484M | $54.47M | $8.989M |
YoY Change | -5.62% | -0.78% | 99.49% |
Total Long-Term Liabilities | $329.5M | $375.4M | $332.7M |
YoY Change | -0.98% | -0.83% | 1.64% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $154.7M | $154.7M | $176.3M |
Total Long-Term Liabilities | $329.5M | $375.4M | $332.7M |
Total Liabilities | $598.7M | $598.7M | $611.4M |
YoY Change | -2.07% | -2.08% | -1.1% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | $90.37M | $40.94M | |
YoY Change | 120.75% | -277.29% | |
Common Stock | $308.5M | $304.8M | |
YoY Change | 1.22% | 0.85% | |
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $399.0M | $399.0M | $346.7M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $997.7M | $997.7M | $958.0M |
YoY Change | 4.14% | 4.14% | 6.74% |
Cashflow Statement
Concept | 2021 Q4 | 2021 | 2020 Q4 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | $24.71M | $49.43M | $10.60M |
YoY Change | 133.08% | -25.22% | -33.75% |
Depreciation, Depletion And Amortization | $11.34M | $43.02M | $10.60M |
YoY Change | 7.0% | 12.66% | 2.91% |
Cash From Operating Activities | $6.199M | $49.01M | $2.900M |
YoY Change | 113.76% | -37.92% | -84.9% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$34.86M | -$116.7M | -$17.50M |
YoY Change | 99.18% | -344.97% | 48.31% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | $279.0K | $4.459M | $3.600M |
YoY Change | -92.25% | -0.91% | |
Cash From Investing Activities | -$34.58M | -$112.2M | -$14.00M |
YoY Change | 146.99% | 159.89% | 18.64% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 0.000 | -5.859M | -2.200M |
YoY Change | -100.0% | -6.42% | 69.23% |
NET CHANGE | |||
Cash From Operating Activities | 6.199M | 49.01M | 2.900M |
Cash From Investing Activities | -34.58M | -112.2M | -14.00M |
Cash From Financing Activities | 0.000 | -5.859M | -2.200M |
Net Change In Cash | -28.38M | -69.05M | -13.30M |
YoY Change | 113.38% | -333.95% | -318.03% |
FREE CASH FLOW | |||
Cash From Operating Activities | $6.199M | $49.01M | $2.900M |
Capital Expenditures | -$34.86M | -$116.7M | -$17.50M |
Free Cash Flow | $41.06M | $165.7M | $20.40M |
YoY Change | 101.25% | 428.84% | -34.19% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2020Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2021 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
||
CY2020 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
||
CY2019 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
||
CY2021 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
|
P1Y10M24D | |
CY2021 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P1Y10M24D | |
CY2021 | dei |
Auditor Firm
AuditorFirmId
|
34 | |
CY2021 | dei |
Auditor Name
AuditorName
|
Deloitte & Touche LLP | |
CY2021 | dei |
Auditor Location
AuditorLocation
|
Chicago, Illinois | |
CY2021Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
145459000 | |
CY2020Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
216510000 | |
CY2021Q4 | gldd |
Accounts Receivable Excluding Contract Receivable Current
AccountsReceivableExcludingContractReceivableCurrent
|
82953000 | |
CY2020Q4 | gldd |
Accounts Receivable Excluding Contract Receivable Current
AccountsReceivableExcludingContractReceivableCurrent
|
38990000 | |
CY2021Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
39844000 | |
CY2020Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
32106000 | |
CY2021Q4 | us-gaap |
Inventory Net
InventoryNet
|
30760000 | |
CY2020Q4 | us-gaap |
Inventory Net
InventoryNet
|
34689000 | |
CY2021Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
2017000 | |
CY2020Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
3091000 | |
CY2021Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
26399000 | |
CY2020Q4 | us-gaap |
Other Assets Current
OtherAssetsCurrent
|
37307000 | |
CY2021Q4 | us-gaap |
Assets Current
AssetsCurrent
|
327432000 | |
CY2020Q4 | us-gaap |
Assets Current
AssetsCurrent
|
362693000 | |
CY2021Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
455102000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
383042000 | |
CY2021Q4 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
62233000 | |
CY2020Q4 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
65188000 | |
CY2021Q4 | us-gaap |
Goodwill
Goodwill
|
76576000 | |
CY2020Q4 | us-gaap |
Goodwill
Goodwill
|
76576000 | |
CY2021Q4 | us-gaap |
Inventory Noncurrent
InventoryNoncurrent
|
65049000 | |
CY2020Q4 | us-gaap |
Inventory Noncurrent
InventoryNoncurrent
|
58413000 | |
CY2020Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
12112000 | |
CY2020Q4 | us-gaap |
Assets
Assets
|
958024000 | |
CY2020Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
71308000 | |
CY2020Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
52899000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
19472000 | |
CY2020Q4 | us-gaap |
Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
|
32608000 | |
CY2020Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
176287000 | |
CY2020Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
323735000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
45879000 | |
CY2020Q4 | us-gaap |
Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
|
56466000 | |
CY2020Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
8989000 | |
CY2020Q4 | us-gaap |
Liabilities
Liabilities
|
611356000 | |
CY2020Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
6000 | |
CY2019 | gldd |
Proceeds From Loss Of Use Claim
ProceedsFromLossOfUseClaim
|
-4619000 | |
CY2019 | us-gaap |
Gain Loss On Disposition Of Assets
GainLossOnDispositionOfAssets
|
-1138000 | |
CY2021 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.75 | |
CY2021 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
65587000 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.75 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
-0.10 | |
CY2021 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.75 | |
CY2020 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.00 | |
CY2021 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
66301000 | |
CY2020 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65872000 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49432000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
66103000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
-828000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
4104000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
|
-280000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
|
-217000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax
|
421000 | |
CY2018Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
214928000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
4104000 | |
CY2020 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
6754000 | |
CY2020 | gldd |
Vesting Of Restricted Stock Units Value Including Impact Of Shares Withheld For Taxes
VestingOfRestrictedStockUnitsValueIncludingImpactOfSharesWithheldForTaxes
|
4748000 | |
CY2020 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
2360000 | |
CY2020 | us-gaap |
Stock Repurchased During Period Value
StockRepurchasedDuringPeriodValue
|
3873000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
66103000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
673000 | |
CY2021 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
2322000 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49432000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-828000 | |
CY2021Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
398997000 | |
CY2021 | us-gaap |
Profit Loss
ProfitLoss
|
49432000 | |
CY2020 | us-gaap |
Profit Loss
ProfitLoss
|
66103000 | |
CY2019 | us-gaap |
Profit Loss
ProfitLoss
|
49339000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
49432000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
66103000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
55668000 | |
CY2021 | us-gaap |
Depreciation
Depreciation
|
43016000 | |
CY2020 | us-gaap |
Depreciation
Depreciation
|
38183000 | |
CY2019 | us-gaap |
Depreciation
Depreciation
|
37145000 | |
CY2021 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
12311000 | |
CY2020 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
20508000 | |
CY2019 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
15134000 | |
CY2021 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
294000 | |
CY2020 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
1571000 | |
CY2019 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-1138000 | |
CY2021 | gldd |
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense
|
2349000 | |
CY2020 | gldd |
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense
|
1611000 | |
CY2019 | gldd |
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense
|
2746000 | |
CY2020 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
47621000 | |
CY2020 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
4450000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-112199000 | |
CY2019 | us-gaap |
Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
|
18056000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
78947000 | |
CY2021 | us-gaap |
Proceeds From Issuance Of Debt
ProceedsFromIssuanceOfDebt
|
325000000 | |
CY2021 | us-gaap |
Payment Of Financing And Stock Issuance Costs
PaymentOfFinancingAndStockIssuanceCosts
|
4395000 | |
CY2019 | us-gaap |
Payment Of Financing And Stock Issuance Costs
PaymentOfFinancingAndStockIssuanceCosts
|
2388000 | |
CY2021 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
3785000 | |
CY2020 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
4748000 | |
CY2019 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
5008000 | |
CY2021 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
2321000 | |
CY2020 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
2360000 | |
CY2020 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
3873000 | |
CY2019 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
11500000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-5859000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-6261000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-14057000 | |
CY2019 | us-gaap |
Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
|
-191000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-5859000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-6261000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-14248000 | |
CY2021 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
-69051000 | |
CY2020 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
29515000 | |
CY2019 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
152537000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
216510000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
186995000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
34458000 | |
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 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
186995000 | |
CY2021Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
145459000 | |
CY2020Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
216510000 | |
CY2019Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
186995000 | |
CY2021Q4 | us-gaap |
Restricted Cash Equivalents
RestrictedCashEquivalents
|
2000000 | |
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 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
186995000 | |
CY2021 | gldd |
Interest Paid Net Of Cash Received
InterestPaidNetOfCashReceived
|
22919000 | |
CY2020 | gldd |
Interest Paid Net Of Cash Received
InterestPaidNetOfCashReceived
|
26430000 | |
CY2019 | gldd |
Interest Paid Net Of Cash Received
InterestPaidNetOfCashReceived
|
24942000 | |
CY2020 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
392000 | |
CY2019 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
366000 | |
CY2020 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
6693000 | |
CY2019 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
6473000 | |
CY2021 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:4.54%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">Use of Estimates<span style="font-weight:normal;">—The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect certain reported amounts and disclosures. Accordingly, actual results could differ from those estimates.</span></p> | |
CY2021 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2021 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
1 | |
CY2021 | gldd |
Number Of Reportable Segments With Goodwill
NumberOfReportableSegmentsWithGoodwill
|
1 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
49432000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
66103000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
55668000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49432000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
66103000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2021 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
65587000 | |
CY2020 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
64743000 | |
CY2019 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
63597000 | |
CY2021 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
714000 | |
CY2020 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
1129000 | |
CY2019 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
1445000 | |
CY2021 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
66301000 | |
CY2020 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65872000 | |
CY2019 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65042000 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.75 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
1.02 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.88 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.75 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
1.00 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.86 | |
CY2021 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1000 | |
CY2021Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
899828000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
790908000 | |
CY2021Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
444726000 | |
CY2020Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
407866000 | |
CY2021Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
455102000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
383042000 | |
CY2021 | us-gaap |
Depreciation
Depreciation
|
43016000 | |
CY2020 | us-gaap |
Depreciation
Depreciation
|
38183000 | |
CY2019 | us-gaap |
Depreciation
Depreciation
|
37145000 | |
CY2021 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
24427000 | |
CY2020 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
24602000 | |
CY2019 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
27259000 | |
CY2021 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
95957000 | |
CY2020 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
87534000 | |
CY2019 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
70382000 | |
CY2021 | us-gaap |
Lease Cost
LeaseCost
|
120384000 | |
CY2020 | us-gaap |
Lease Cost
LeaseCost
|
112136000 | |
CY2019 | us-gaap |
Lease Cost
LeaseCost
|
97641000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
|
18982000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
|
17090000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
|
14320000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
|
7984000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
|
4664000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
|
6181000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
|
69221000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
|
6506000 | |
CY2021Q4 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
62715000 | |
CY2021Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P4Y4M24D | |
CY2020Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P4Y1M6D | |
CY2019Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P4Y2M12D | |
CY2021Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.051 | |
CY2020Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.062 | |
CY2019Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.067 | |
CY2020Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
323735000 | |
CY2020Q4 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
0 | |
CY2021Q4 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
0 | |
CY2021 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
22591000 | |
CY2020 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
25064000 | |
CY2019 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
27235000 | |
CY2021 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
24191000 | |
CY2020 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
22746000 | |
CY2019 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
13149000 | |
CY2021Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
13533000 | |
CY2020Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
21675000 | |
CY2021Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
12821000 | |
CY2020Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
14754000 | |
CY2021Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
6427000 | |
CY2020Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
8530000 | |
CY2021Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
2941000 | |
CY2020Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
2164000 | |
CY2021Q4 | gldd |
Accrued Contract Reserves Liabilities Current
AccruedContractReservesLiabilitiesCurrent
|
444000 | |
CY2020Q4 | gldd |
Accrued Contract Reserves Liabilities Current
AccruedContractReservesLiabilitiesCurrent
|
2491000 | |
CY2021Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
37626000 | |
CY2020Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
52899000 | |
CY2021Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
320971000 | |
CY2021Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
25127000 | |
CY2020Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
36407000 | |
CY2021Q4 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
174546000 | |
CY2020Q4 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
163231000 | |
CY2021Q4 | us-gaap |
Line Of Credit Facility Current Borrowing Capacity
LineOfCreditFacilityCurrentBorrowingCapacity
|
327000 | |
CY2020Q4 | us-gaap |
Line Of Credit Facility Current Borrowing Capacity
LineOfCreditFacilityCurrentBorrowingCapacity
|
362000 | |
CY2021Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal After Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
|
325000000 | |
CY2021Q4 | gldd |
Long Term Debt Current And Non Current Excluding Equipment Notes
LongTermDebtCurrentAndNonCurrentExcludingEquipmentNotes
|
325000000 | |
CY2021 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
1382000 | |
CY2020 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
1611000 | |
CY2019 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
2231000 | |
CY2021 | us-gaap |
Derivative Nonmonetary Notional Amount Volume
DerivativeNonmonetaryNotionalAmountVolume
|
10200000 | |
CY2021 | gldd |
Derivative Underlying Hedge Percent
DerivativeUnderlyingHedgePercent
|
0.80 | |
CY2021Q4 | us-gaap |
Fair Value Hedge Assets At Fair Value
FairValueHedgeAssetsAtFairValue
|
630000 | |
CY2020Q4 | us-gaap |
Fair Value Hedge Assets At Fair Value
FairValueHedgeAssetsAtFairValue
|
1739000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
|
6481000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
|
6481000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
|
-5825000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
|
-1458000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
|
5653000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
|
-5152000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
|
2646000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
-828000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
|
4104000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-828000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
4104000 | |
CY2021Q2 | us-gaap |
Debt Instrument Face Amount
DebtInstrumentFaceAmount
|
325000000 | |
CY2021Q2 | us-gaap |
Debt Instrument Maturity Date
DebtInstrumentMaturityDate
|
2029-06-01 | |
CY2021 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
13391000 | |
CY2020 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
20187000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
15253000 | |
CY2019 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-4556000 | |
CY2021 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
13391000 | |
CY2020 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
20187000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
10697000 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
65708000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
94826000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
89344000 | |
CY2021 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-2885000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-8536000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-18423000 | |
CY2021 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
62823000 | |
CY2020 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
86290000 | |
CY2019 | us-gaap |
Income Loss From Equity Method Investments
IncomeLossFromEquityMethodInvestments
|
70921000 | |
CY2021 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
11020000 | |
CY2020 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
17464000 | |
CY2019 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
14052000 | |
CY2021 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
1080000 | |
CY2020 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
128000 | |
CY2019 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
212000 | |
CY2021 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
1291000 | |
CY2020 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
3023000 | |
CY2019 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
989000 | |
CY2020 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
-428000 | |
CY2021 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
13391000 | |
CY2020 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
20187000 | |
CY2019 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
15253000 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.21 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.21 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.21 | |
CY2021 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
13193000 | |
CY2020 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
18121000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
14893000 | |
CY2021 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
2144000 | |
CY2020 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
3124000 | |
CY2019 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
3049000 | |
CY2021 | gldd |
Income Tax Reconciliation Adjustment To Deferred Tax Depreciation
IncomeTaxReconciliationAdjustmentToDeferredTaxDepreciation
|
-1414000 | |
CY2019 | gldd |
Income Tax Reconciliation Change In Deferred State Tax Rate
IncomeTaxReconciliationChangeInDeferredStateTaxRate
|
-1835000 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
-1318000 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
-1212000 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
-1266000 | |
CY2021 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
1195000 | |
CY2020 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
1212000 | |
CY2019 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
1021000 | |
CY2021 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
642000 | |
CY2020 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
674000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
452000 | |
CY2019 | gldd |
Income Tax Reconciliation Changes In Unrecognized Tax Benefits
IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits
|
-56000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-3000 | |
CY2021 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
233000 | |
CY2020 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-384000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-98000 | |
CY2021 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
13391000 | |
CY2020 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
20187000 | |
CY2019 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
15253000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
157000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
157000 | |
CY2021Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
0 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
0 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
0 | |
CY2021Q4 | gldd |
Deferred Tax Assets Operating Lease Assets
DeferredTaxAssetsOperatingLeaseAssets
|
15835000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Gross
AccountsReceivableGross
|
39554000 | |
CY2020Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
564000 | |
CY2021Q4 | us-gaap |
Accounts Receivable Net
AccountsReceivableNet
|
82953000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Net
AccountsReceivableNet
|
38990000 | |
CY2020Q4 | gldd |
Costs And Earnings In Excess Of Billings For Contracts In Progress
CostsAndEarningsInExcessOfBillingsForContractsInProgress
|
31395000 | |
CY2020Q4 | gldd |
Costs And Earnings In Excess Of Billings For Completed Contracts
CostsAndEarningsInExcessOfBillingsForCompletedContracts
|
2823000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
34218000 | |
CY2020Q4 | gldd |
Deferred Tax Assets Operating Lease Assets
DeferredTaxAssetsOperatingLeaseAssets
|
16501000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
7130000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
8212000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
11666000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
19389000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
|
864000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
|
845000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
6682000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
7256000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
3892000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
3250000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
2487000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
2473000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
43582000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
52980000 | |
CY2021Q4 | gldd |
Deferred Tax Liabilities Depreciation And Amortization
DeferredTaxLiabilitiesDepreciationAndAmortization
|
96207000 | |
CY2020Q4 | gldd |
Deferred Tax Liabilities Depreciation And Amortization
DeferredTaxLiabilitiesDepreciationAndAmortization
|
92547000 | |
CY2021Q4 | gldd |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
15713000 | |
CY2020Q4 | gldd |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
16460000 | |
CY2021Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
159000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
439000 | |
CY2021Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
112079000 | |
CY2020Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
109446000 | |
CY2021Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
68497000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
56466000 | |
CY2021 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
5188000 | |
CY2020 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6754000 | |
CY2019 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6908000 | |
CY2020Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
278000 | |
CY2020Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
7.02 | |
CY2021 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
173000 | |
CY2021 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
6.73 | |
CY2021Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
105000 | |
CY2021Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
7.50 | |
CY2021Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
|
860000 | |
CY2021Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
|
105000 | |
CY2021Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
|
7.50 | |
CY2021Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
|
860000 | |
CY2021Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
|
3959000 | |
CY2021 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
4250000 | |
CY2020 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
4748000 | |
CY2021Q4 | us-gaap |
Accounts Receivable Gross
AccountsReceivableGross
|
83517000 | |
CY2021Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
564000 | |
CY2021Q4 | gldd |
Costs And Earnings In Excess Of Billings For Contracts In Progress
CostsAndEarningsInExcessOfBillingsForContractsInProgress
|
30057000 | |
CY2021Q4 | gldd |
Costs And Earnings In Excess Of Billings For Completed Contracts
CostsAndEarningsInExcessOfBillingsForCompletedContracts
|
10894000 | |
CY2021Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
40951000 | |
CY2021Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
39844000 | |
CY2020Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
32106000 | |
CY2021Q4 | us-gaap |
Contract Receivable Due After One Year
ContractReceivableDueAfterOneYear
|
1107000 | |
CY2020Q4 | us-gaap |
Contract Receivable Due After One Year
ContractReceivableDueAfterOneYear
|
2112000 | |
CY2021Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
40951000 | |
CY2021 | gldd |
Annual Retainer Per Non Employee Director Percentage Paid In Cash
AnnualRetainerPerNonEmployeeDirectorPercentagePaidInCash
|
0.50 | |
CY2021 | gldd |
Annual Retainer Per Non Employee Director Percentage Paid In Common Stock
AnnualRetainerPerNonEmployeeDirectorPercentagePaidInCommonStock
|
0.50 | |
CY2021 | us-gaap |
Stock Issued During Period Shares Issued For Services
StockIssuedDuringPeriodSharesIssuedForServices
|
50000 | |
CY2020 | us-gaap |
Stock Issued During Period Shares Issued For Services
StockIssuedDuringPeriodSharesIssuedForServices
|
79000 | |
CY2019 | us-gaap |
Stock Issued During Period Shares Issued For Services
StockIssuedDuringPeriodSharesIssuedForServices
|
78000 | |
CY2021Q4 | us-gaap |
Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
|
551588000 | |
CY2021 | gldd |
Percentage Of Performance Obligation To Be Recognized As Revenue
PercentageOfPerformanceObligationToBeRecognizedAsRevenue
|
0.88 | |
CY2021 | gldd |
Performance Obligation Expected To Be Recognized As Revenue Year
PerformanceObligationExpectedToBeRecognizedAsRevenueYear
|
2022 | |
CY2021Q4 | us-gaap |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Year1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionYear1
|
2023 | |
CY2021Q4 | gldd |
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
AccountsReceivableBilledForLongTermCompletedContractsOrPrograms
|
10612000 | |
CY2020Q4 | gldd |
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
AccountsReceivableBilledForLongTermCompletedContractsOrPrograms
|
12347000 | |
CY2021Q4 | gldd |
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
AccountsReceivableBilledForLongTermContractsOrProgramsInProgress
|
65415000 | |
CY2020Q4 | gldd |
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
AccountsReceivableBilledForLongTermContractsOrProgramsInProgress
|
21239000 | |
CY2021Q4 | us-gaap |
Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
|
7490000 | |
CY2020Q4 | us-gaap |
Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
|
5968000 | |
CY2021Q4 | us-gaap |
Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
|
14814000 | |
CY2020Q4 | us-gaap |
Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
|
32608000 | |
CY2021Q4 | us-gaap |
Capitalized Contract Cost Accumulated Amortization
CapitalizedContractCostAccumulatedAmortization
|
17839000 | |
CY2021Q4 | gldd |
Outstanding Performance Bonds
OutstandingPerformanceBonds
|
1164822000 | |
CY2021Q4 | gldd |
Revenue Value Remaining From Outstanding Performance Bonds
RevenueValueRemainingFromOutstandingPerformanceBonds
|
551588000 | |
CY2015Q1 | us-gaap |
Proceeds From Legal Settlements
ProceedsFromLegalSettlements
|
5309000 | |
CY2021Q2 | gldd |
Fine For Violation
FineForViolation
|
1000000 | |
CY2021Q2 | gldd |
Potential Liability For Criminal Matters
PotentialLiabilityForCriminalMatters
|
2000000 | |
CY2021Q3 | gldd |
Civil Penalty
CivilPenalty
|
500000 | |
CY2019Q2 | us-gaap |
Proceeds From Divestiture Of Businesses
ProceedsFromDivestitureOfBusinesses
|
17500000 | |
CY2019Q3 | us-gaap |
Proceeds From Divestiture Of Businesses
ProceedsFromDivestitureOfBusinesses
|
857000 | |
CY2019 | us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
25040000 | |
CY2019 | us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-8253000 | |
CY2019 | us-gaap |
Discontinued Operation Provision For Loss Gain On Disposal Before Income Tax
DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax
|
2632000 | |
CY2019 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-4556000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2018Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4986000 | |
CY2019 | gldd |
Valuation Allowances And Reserves Additions
ValuationAllowancesAndReservesAdditions
|
364000 | |
CY2019 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
1291000 | |
CY2019Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4059000 | |
CY2019Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4059000 | |
CY2020 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
1022000 | |
CY2020Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
3037000 | |
CY2020Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
3037000 | |
CY2021 | gldd |
Valuation Allowances And Reserves Additions
ValuationAllowancesAndReservesAdditions
|
14000 | |
CY2021Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
3051000 |