2020 Q4 Form 10-K Financial Statement
#000156459021008165 Filed on February 24, 2021
Income Statement
Concept | 2020 Q4 | 2020 | 2019 Q4 |
---|---|---|---|
Revenue | $172.1M | $733.6M | $164.3M |
YoY Change | 4.75% | 3.1% | -5.14% |
Cost Of Revenue | $138.8M | $562.4M | $129.7M |
YoY Change | 7.02% | 0.83% | -5.74% |
Gross Profit | $33.40M | $171.2M | $34.60M |
YoY Change | -3.47% | 11.36% | -2.81% |
Gross Profit Margin | 19.41% | 23.34% | 21.06% |
Selling, General & Admin | $17.50M | $62.80M | $16.20M |
YoY Change | 8.02% | 6.26% | 5.19% |
% of Gross Profit | 52.4% | 36.68% | 46.82% |
Research & Development | |||
YoY Change | |||
% of Gross Profit | |||
Depreciation & Amortization | $10.60M | $38.18M | $10.30M |
YoY Change | 2.91% | 2.79% | -16.26% |
% of Gross Profit | 31.74% | 22.3% | 29.77% |
Operating Expenses | $17.50M | $62.70M | $16.20M |
YoY Change | 8.02% | 6.09% | 5.19% |
Operating Profit | $15.90M | $108.5M | $18.40M |
YoY Change | -13.59% | 14.65% | -8.91% |
Interest Expense | -$6.500M | -$26.10M | -$6.500M |
YoY Change | 0.0% | -5.09% | -17.72% |
% of Operating Profit | -40.88% | -24.05% | -35.33% |
Other Income/Expense, Net | $1.500M | -$25.48M | $0.00 |
YoY Change | -6.37% | -100.0% | |
Pretax Income | $12.30M | $94.83M | $15.80M |
YoY Change | -22.15% | 6.14% | 92.68% |
Income Tax | $1.700M | $20.19M | $1.000M |
% Of Pretax Income | 13.82% | 21.29% | 6.33% |
Net Earnings | $10.60M | $66.10M | $16.00M |
YoY Change | -33.75% | 33.98% | -307.79% |
Net Earnings / Revenue | 6.16% | 9.01% | 9.74% |
Basic Earnings Per Share | $1.02 | ||
Diluted Earnings Per Share | $160.8K | $1.00 | $243.9K |
COMMON SHARES | |||
Basic Shares Outstanding | 64.74M | ||
Diluted Shares Outstanding | 65.87M |
Balance Sheet
Concept | 2020 Q4 | 2020 | 2019 Q4 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $216.5M | $216.5M | $187.0M |
YoY Change | 15.78% | 15.78% | 442.03% |
Cash & Equivalents | $216.5M | $216.5M | $187.0M |
Short-Term Investments | |||
Other Short-Term Assets | $37.31M | $40.40M | $39.66M |
YoY Change | -5.93% | -1.94% | 24.29% |
Inventory | $34.69M | $34.70M | $30.19M |
Prepaid Expenses | $3.091M | $1.525M | |
Receivables | $71.10M | $71.10M | $42.30M |
Other Receivables | $0.00 | $0.00 | $0.00 |
Total Short-Term Assets | $362.7M | $362.7M | $300.7M |
YoY Change | 20.61% | 20.62% | 45.48% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $383.0M | $448.2M | $374.6M |
YoY Change | 2.25% | 0.22% | 1.28% |
Goodwill | $76.58M | $76.58M | |
YoY Change | 0.0% | 0.0% | |
Intangibles | |||
YoY Change | |||
Long-Term Investments | |||
YoY Change | |||
Other Assets | $12.11M | $70.50M | $7.960M |
YoY Change | 52.16% | -3.56% | -49.84% |
Total Long-Term Assets | $595.3M | $595.3M | $596.8M |
YoY Change | -0.25% | -0.27% | 13.99% |
TOTAL ASSETS | |||
Total Short-Term Assets | $362.7M | $362.7M | $300.7M |
Total Long-Term Assets | $595.3M | $595.3M | $596.8M |
Total Assets | $958.0M | $958.0M | $897.6M |
YoY Change | 6.74% | 6.73% | 22.91% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $71.31M | $71.30M | $76.09M |
YoY Change | -6.29% | -6.31% | 6.37% |
Accrued Expenses | $52.90M | $70.20M | $51.23M |
YoY Change | 3.27% | -1.13% | 5.94% |
Deferred Revenue | $32.61M | $55.27M | |
YoY Change | -41.0% | 210.61% | |
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | $0.00 | ||
YoY Change | -100.0% | ||
Total Short-Term Liabilities | $176.3M | $176.3M | $203.9M |
YoY Change | -13.56% | -13.54% | 25.02% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $323.7M | $323.7M | $322.8M |
YoY Change | 0.28% | 0.28% | 0.28% |
Other Long-Term Liabilities | $8.989M | $54.90M | $4.506M |
YoY Change | 99.49% | -1.26% | -38.1% |
Total Long-Term Liabilities | $332.7M | $378.6M | $327.3M |
YoY Change | 1.64% | 0.05% | -0.57% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $176.3M | $176.3M | $203.9M |
Total Long-Term Liabilities | $332.7M | $378.6M | $327.3M |
Total Liabilities | $611.4M | $611.4M | $618.2M |
YoY Change | -1.1% | -1.1% | 19.95% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | $40.94M | -$23.09M | |
YoY Change | -277.29% | -69.2% | |
Common Stock | $304.8M | $302.2M | |
YoY Change | 0.85% | 2.39% | |
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $346.7M | $346.7M | $279.4M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $958.0M | $958.0M | $897.6M |
YoY Change | 6.74% | 6.73% | 22.91% |
Cashflow Statement
Concept | 2020 Q4 | 2020 | 2019 Q4 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | $10.60M | $66.10M | $16.00M |
YoY Change | -33.75% | 33.98% | -307.79% |
Depreciation, Depletion And Amortization | $10.60M | $38.18M | $10.30M |
YoY Change | 2.91% | 2.79% | -16.26% |
Cash From Operating Activities | $2.900M | $78.95M | $19.20M |
YoY Change | -84.9% | -59.0% | -60.66% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$17.50M | $47.62M | -$11.80M |
YoY Change | 48.31% | -3.62% | -40.4% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | $3.600M | $4.500M | $0.00 |
YoY Change | -80.93% | -100.0% | |
Cash From Investing Activities | -$14.00M | -$43.17M | -$11.80M |
YoY Change | 18.64% | 67.56% | -33.33% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | $3.873M | ||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | -2.200M | -6.261M | -1.300M |
YoY Change | 69.23% | -56.06% | -93.4% |
NET CHANGE | |||
Cash From Operating Activities | 2.900M | 78.95M | 19.20M |
Cash From Investing Activities | -14.00M | -43.17M | -11.80M |
Cash From Financing Activities | -2.200M | -6.261M | -1.300M |
Net Change In Cash | -13.30M | 29.52M | 6.100M |
YoY Change | -318.03% | -80.65% | -46.49% |
FREE CASH FLOW | |||
Cash From Operating Activities | $2.900M | $78.95M | $19.20M |
Capital Expenditures | -$17.50M | $47.62M | -$11.80M |
Free Cash Flow | $20.40M | $31.33M | $31.00M |
YoY Change | -34.19% | -78.11% | -54.81% |
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|
66103000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
-3328000 | |
CY2020Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
346668000 | |
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 | |
CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
17352000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-6261000 | |
CY2019 | us-gaap |
Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
|
-191000 | |
CY2018 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
17106000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
34458000 | |
CY2018 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.10 | |
CY2018 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
62236000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-6293000 | |
CY2018 | us-gaap |
Repayments Of Debt
RepaymentsOfDebt
|
298000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
34458000 | |
CY2019 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
152537000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
4104000 | |
CY2019Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
279399000 | |
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 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2018 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
|
-0.28 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.17 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
-0.10 | |
CY2018 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
|
-0.27 | |
CY2019 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.76 | |
CY2018 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.10 | |
CY2019 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65042000 | |
CY2018 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
63607000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-6293000 | |
CY2018 | us-gaap |
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
|
1513000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
4104000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
4104000 | |
CY2019 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
53443000 | |
CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
221296000 | |
CY2018 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
5425000 | |
CY2018 | gldd |
Vesting Of Restricted Stock Units Value Including Impact Of Shares Withheld For Taxes
VestingOfRestrictedStockUnitsValueIncludingImpactOfSharesWithheldForTaxes
|
1205000 | |
CY2018 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
1094000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-6293000 | |
CY2018 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-3812000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
66103000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
673000 | |
CY2020 | us-gaap |
Profit Loss
ProfitLoss
|
66103000 | |
CY2019 | us-gaap |
Profit Loss
ProfitLoss
|
49339000 | |
CY2018 | us-gaap |
Profit Loss
ProfitLoss
|
-6293000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2018 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-17309000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
66103000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
55668000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
11016000 | |
CY2020 | us-gaap |
Depreciation
Depreciation
|
38183000 | |
CY2019 | us-gaap |
Depreciation
Depreciation
|
37145000 | |
CY2018 | us-gaap |
Depreciation
Depreciation
|
50389000 | |
CY2019 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
15134000 | |
CY2018 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
5760000 | |
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 | |
CY2018 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-3731000 | |
CY2018 | gldd |
Other Non Cash Restructuring Items
OtherNonCashRestructuringItems
|
2337000 | |
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 | |
CY2018 | gldd |
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
AmortizationOfDeferredFinancingCostAndOtherNonCashInterestExpense
|
3504000 | |
CY2019 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
6473000 | |
CY2018 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
7303000 | |
CY2018 | gldd |
Non Cash Repayments Of Debt With Proceeds From Sale Leaseback Transactions
NonCashRepaymentsOfDebtWithProceedsFromSaleLeasebackTransactions
|
13034000 | |
CY2019 | us-gaap |
Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
|
18056000 | |
CY2018 | us-gaap |
Cash Provided By Used In Investing Activities Discontinued Operations
CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations
|
425000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-43171000 | |
CY2018 | us-gaap |
Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
|
231000 | |
CY2020 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6754000 | |
CY2019 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6908000 | |
CY2018 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
4643000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
19205000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-44994000 | |
CY2018 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
8364000 | |
CY2020 | gldd |
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
9546000 | |
CY2019 | gldd |
Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year
IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear
|
4607000 | |
CY2020 | us-gaap |
Increase Decrease In Inventories
IncreaseDecreaseInInventories
|
2383000 | |
CY2018 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
-11976000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
12546000 | |
CY2018 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
-1480000 | |
CY2020 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-22658000 | |
CY2019 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
37473000 | |
CY2018 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
7524000 | |
CY2020 | us-gaap |
Increase Decrease In Other Noncurrent Assets And Liabilities Net
IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet
|
-3013000 | |
CY2019 | us-gaap |
Increase Decrease In Other Noncurrent Assets And Liabilities Net
IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet
|
-3120000 | |
CY2018 | us-gaap |
Increase Decrease In Other Noncurrent Assets And Liabilities Net
IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet
|
3093000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
78947000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
201787000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
141672000 | |
CY2019 | us-gaap |
Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
|
-9238000 | |
CY2018 | us-gaap |
Cash Provided By Used In Operating Activities Discontinued Operations
CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
|
-4019000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
78947000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
192549000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
137653000 | |
CY2020 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
47621000 | |
CY2019 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
49412000 | |
CY2018 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
49422000 | |
CY2020 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
4450000 | |
CY2019 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
5592000 | |
CY2018 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
13880000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-43171000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-43820000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-35542000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-25764000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-35117000 | |
CY2019 | us-gaap |
Payment Of Financing And Stock Issuance Costs
PaymentOfFinancingAndStockIssuanceCosts
|
2388000 | |
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 | |
CY2018 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1094000 | |
CY2020 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
3873000 | |
CY2018 | us-gaap |
Proceeds From Long Term Lines Of Credit
ProceedsFromLongTermLinesOfCredit
|
29000000 | |
CY2019 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
11500000 | |
CY2018 | us-gaap |
Repayments Of Long Term Lines Of Credit
RepaymentsOfLongTermLinesOfCredit
|
112500000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-14057000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
-83909000 | |
CY2018 | us-gaap |
Cash Provided By Used In Financing Activities Discontinued Operations
CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations
|
-1547000 | |
CY2020 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
29515000 | |
CY2019Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4059000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
186995000 | |
CY2019 | us-gaap |
Interest Paid Net
InterestPaidNet
|
24942000 | |
CY2018 | us-gaap |
Interest Paid Net
InterestPaidNet
|
30855000 | |
CY2019 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
366000 | |
CY2018 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
290000 | |
CY2020 | 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> | |
CY2018 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-6162000 | |
CY2020 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2020 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
1 | |
CY2020 | gldd |
Number Of Reportable Segments With Goodwill
NumberOfReportableSegmentsWithGoodwill
|
1 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
|
5053000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
|
3975000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
66103000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
55668000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
|
11016000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2018 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-17309000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
66103000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
49339000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-6293000 | |
CY2020 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
64743000 | |
CY2019 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
63597000 | |
CY2018 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
62236000 | |
CY2020 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
1129000 | |
CY2019 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
1445000 | |
CY2018 | us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
|
1371000 | |
CY2020 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65872000 | |
CY2019 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
65042000 | |
CY2018 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
63607000 | |
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 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
|
0.18 | |
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 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
|
0.17 | |
CY2018 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1285000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
790908000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
769737000 | |
CY2020Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
407866000 | |
CY2019Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
395141000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
383042000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
374596000 | |
CY2020 | us-gaap |
Depreciation
Depreciation
|
38183000 | |
CY2019 | us-gaap |
Depreciation
Depreciation
|
37145000 | |
CY2018 | us-gaap |
Depreciation
Depreciation
|
50389000 | |
CY2020 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
24602000 | |
CY2019 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
27259000 | |
CY2020 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
87534000 | |
CY2019 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
70382000 | |
CY2020 | us-gaap |
Lease Cost
LeaseCost
|
112136000 | |
CY2019 | us-gaap |
Lease Cost
LeaseCost
|
97641000 | |
CY2018 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
21160000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
|
22247000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
|
18467000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
|
13321000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
|
9768000 | |
CY2020Q4 | us-gaap |
Senior Notes
SeniorNotes
|
323735000 | |
CY2019Q4 | us-gaap |
Senior Notes
SeniorNotes
|
322843000 | |
CY2020Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
323735000 | |
CY2019Q4 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
0 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
|
72831000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
|
7480000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
65351000 | |
CY2020Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P4Y1M6D | |
CY2019Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P4Y2M12D | |
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 | |
CY2020 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
25064000 | |
CY2019 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
27235000 | |
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 | |
CY2020Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
21675000 | |
CY2019Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
16859000 | |
CY2020Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
14754000 | |
CY2019Q4 | us-gaap |
Accrued Insurance Current
AccruedInsuranceCurrent
|
15702000 | |
CY2020Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
3285000 | |
CY2019Q4 | us-gaap |
Interest Payable Current
InterestPayableCurrent
|
3284000 | |
CY2020Q4 | gldd |
Accrued Contract Reserves Liabilities Current
AccruedContractReservesLiabilitiesCurrent
|
2491000 | |
CY2019Q4 | gldd |
Accrued Contract Reserves Liabilities Current
AccruedContractReservesLiabilitiesCurrent
|
6248000 | |
CY2020Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
2164000 | |
CY2020 | gldd |
Derivative Underlying Hedge Percent
DerivativeUnderlyingHedgePercent
|
0.80 | |
CY2020Q4 | us-gaap |
Fair Value Hedge Assets At Fair Value
FairValueHedgeAssetsAtFairValue
|
1739000 | |
CY2019Q4 | us-gaap |
Fair Value Hedge Assets At Fair Value
FairValueHedgeAssetsAtFairValue
|
849000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-5825000 | |
CY2019Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
1597000 | |
CY2020Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
8530000 | |
CY2019Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
7535000 | |
CY2020Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
52899000 | |
CY2019Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
51225000 | |
CY2019Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
322843000 | |
CY2020Q4 | us-gaap |
Lines Of Credit Current
LinesOfCreditCurrent
|
0 | |
CY2020Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
36407000 | |
CY2019Q4 | us-gaap |
Letters Of Credit Outstanding Amount
LettersOfCreditOutstandingAmount
|
35779000 | |
CY2020Q4 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
163231000 | |
CY2019Q4 | us-gaap |
Line Of Credit Facility Remaining Borrowing Capacity
LineOfCreditFacilityRemainingBorrowingCapacity
|
163729000 | |
CY2020Q4 | us-gaap |
Line Of Credit Facility Current Borrowing Capacity
LineOfCreditFacilityCurrentBorrowingCapacity
|
362000 | |
CY2019Q4 | us-gaap |
Line Of Credit Facility Current Borrowing Capacity
LineOfCreditFacilityCurrentBorrowingCapacity
|
492000 | |
CY2020Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
325000000 | |
CY2020Q4 | gldd |
Long Term Debt Current And Non Current Excluding Equipment Notes
LongTermDebtCurrentAndNonCurrentExcludingEquipmentNotes
|
325000000 | |
CY2020 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
1611000 | |
CY2019 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
2231000 | |
CY2018 | us-gaap |
Amortization Of Financing Costs
AmortizationOfFinancingCosts
|
3504000 | |
CY2020 | us-gaap |
Derivative Nonmonetary Notional Amount Volume
DerivativeNonmonetaryNotionalAmountVolume
|
11900000 | |
CY2018 | us-gaap |
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
|
1513000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-5825000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
-1458000 | |
CY2018 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
|
1569000 | |
CY2020 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-5152000 | |
CY2019 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
2646000 | |
CY2018 | us-gaap |
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
|
-3756000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
4104000 | |
CY2018 | us-gaap |
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
|
-5325000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
673000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
4104000 | |
CY2018 | us-gaap |
Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
|
-3812000 | |
CY2019 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
15253000 | |
CY2019 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
989000 | |
CY2018 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
5437000 | |
CY2019 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
212000 | |
CY2018 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
48000 | |
CY2020 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
3023000 | |
CY2020 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
20187000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
15253000 | |
CY2018 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
5437000 | |
CY2019 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-4556000 | |
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 | |
CY2018 | us-gaap |
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems
|
-725000 | |
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 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
26878000 | |
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 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-10425000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
86290000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
70921000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
16453000 | |
CY2020 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
17464000 | |
CY2019 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
14052000 | |
CY2018 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
3702000 | |
CY2020 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
128000 | |
CY2018 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
1687000 | |
CY2020 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
-428000 | |
CY2020 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
20187000 | |
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 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.21 | |
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 | |
CY2018 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
3455000 | |
CY2020Q4 | gldd |
Deferred Tax Assets Operating Lease Assets
DeferredTaxAssetsOperatingLeaseAssets
|
16501000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
157000 | |
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 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
71000 | |
CY2019Q4 | gldd |
Deferred Tax Assets Operating Lease Assets
DeferredTaxAssetsOperatingLeaseAssets
|
18301000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
8212000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
7426000 | |
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 | |
CY2018 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
937000 | |
CY2018 | gldd |
Income Tax Reconciliation Change In State Law Regarding Non Operating Loss Carryforwards
IncomeTaxReconciliationChangeInStateLawRegardingNonOperatingLossCarryforwards
|
658000 | |
CY2019 | gldd |
Income Tax Reconciliation Change In Deferred State Tax Rate
IncomeTaxReconciliationChangeInDeferredStateTaxRate
|
-1835000 | |
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 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
|
-8000 | |
CY2020 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
1212000 | |
CY2019 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
1021000 | |
CY2018 | gldd |
Income Tax Reconciliation Nondeductible Expense Officer Compensation
IncomeTaxReconciliationNondeductibleExpenseOfficerCompensation
|
201000 | |
CY2020 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
674000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
452000 | |
CY2018 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
218000 | |
CY2019 | gldd |
Income Tax Reconciliation Changes In Unrecognized Tax Benefits
IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits
|
-56000 | |
CY2018 | gldd |
Income Tax Reconciliation Changes In Unrecognized Tax Benefits
IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits
|
14000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-3000 | |
CY2018 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
116000 | |
CY2020 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-384000 | |
CY2019 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
-98000 | |
CY2018 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
282000 | |
CY2019 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
15253000 | |
CY2018 | gldd |
Income Tax Expense Benefit Excluding Discontinued Operations
IncomeTaxExpenseBenefitExcludingDiscontinuedOperations
|
5437000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
157000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
157000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
157000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
19389000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
28791000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
|
845000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Foreign
DeferredTaxAssetsOperatingLossCarryforwardsForeign
|
1717000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
7256000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
9505000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
3250000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards
DeferredTaxAssetsTaxCreditCarryforwards
|
2620000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Charitable Contribution Carryforwards
DeferredTaxAssetsCharitableContributionCarryforwards
|
66000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
2473000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
3495000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
52980000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
64931000 | |
CY2020Q4 | gldd |
Deferred Tax Liabilities Depreciation And Amortization
DeferredTaxLiabilitiesDepreciationAndAmortization
|
92547000 | |
CY2019Q4 | gldd |
Deferred Tax Liabilities Depreciation And Amortization
DeferredTaxLiabilitiesDepreciationAndAmortization
|
82115000 | |
CY2020Q4 | gldd |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
16460000 | |
CY2019Q4 | gldd |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
18334000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
439000 | |
CY2019Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
222000 | |
CY2020Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
109446000 | |
CY2019Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
100671000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
56466000 | |
CY2019Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
35740000 | |
CY2020 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6754000 | |
CY2019 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
6908000 | |
CY2018 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
4643000 | |
CY2019Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
504000 | |
CY2019Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
6.87 | |
CY2020 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
226000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
6.68 | |
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
|
6.99 | |
CY2020Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
|
1785000 | |
CY2020Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
|
278000 | |
CY2020Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
564000 | |
CY2019Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
564000 | |
CY2020Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
|
6.99 | |
CY2020Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
|
1785000 | |
CY2020Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
|
4374000 | |
CY2020 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
4748000 | |
CY2019 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
5008000 | |
CY2020 | gldd |
Annual Retainer Per Non Employee Director Percentage Paid In Cash
AnnualRetainerPerNonEmployeeDirectorPercentagePaidInCash
|
0.50 | |
CY2020 | gldd |
Annual Retainer Per Non Employee Director Percentage Paid In Common Stock
AnnualRetainerPerNonEmployeeDirectorPercentagePaidInCommonStock
|
0.50 | |
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 | |
CY2018 | us-gaap |
Stock Issued During Period Shares Issued For Services
StockIssuedDuringPeriodSharesIssuedForServices
|
156000 | |
CY2020Q4 | us-gaap |
Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
|
559376000 | |
CY2020 | gldd |
Percentage Of Performance Obligation To Be Recognized As Revenue
PercentageOfPerformanceObligationToBeRecognizedAsRevenue
|
0.90 | |
CY2020 | gldd |
Performance Obligation Expected To Be Recognized As Revenue Year
PerformanceObligationExpectedToBeRecognizedAsRevenueYear
|
2021 | |
CY2020Q4 | us-gaap |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Year1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionYear1
|
2022 | |
CY2020Q4 | gldd |
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
AccountsReceivableBilledForLongTermCompletedContractsOrPrograms
|
12347000 | |
CY2019Q4 | gldd |
Accounts Receivable Billed For Long Term Completed Contracts Or Programs
AccountsReceivableBilledForLongTermCompletedContractsOrPrograms
|
3444000 | |
CY2020Q4 | gldd |
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
AccountsReceivableBilledForLongTermContractsOrProgramsInProgress
|
21239000 | |
CY2019Q4 | gldd |
Accounts Receivable Billed For Long Term Contracts Or Programs In Progress
AccountsReceivableBilledForLongTermContractsOrProgramsInProgress
|
9490000 | |
CY2020Q4 | us-gaap |
Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
|
5968000 | |
CY2019Q4 | us-gaap |
Construction Contractor Receivable Retainage
ConstructionContractorReceivableRetainage
|
7415000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Gross
AccountsReceivableGross
|
39554000 | |
CY2019Q4 | us-gaap |
Accounts Receivable Gross
AccountsReceivableGross
|
20349000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Net
AccountsReceivableNet
|
38990000 | |
CY2019Q4 | us-gaap |
Accounts Receivable Net
AccountsReceivableNet
|
19785000 | |
CY2020Q4 | gldd |
Costs And Earnings In Excess Of Billings For Contracts In Progress
CostsAndEarningsInExcessOfBillingsForContractsInProgress
|
31395000 | |
CY2019Q4 | gldd |
Costs And Earnings In Excess Of Billings For Contracts In Progress
CostsAndEarningsInExcessOfBillingsForContractsInProgress
|
18546000 | |
CY2020Q4 | gldd |
Costs And Earnings In Excess Of Billings For Completed Contracts
CostsAndEarningsInExcessOfBillingsForCompletedContracts
|
2823000 | |
CY2019Q4 | gldd |
Costs And Earnings In Excess Of Billings For Completed Contracts
CostsAndEarningsInExcessOfBillingsForCompletedContracts
|
6126000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
34218000 | |
CY2019Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
24672000 | |
CY2020Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
32106000 | |
CY2019Q4 | us-gaap |
Contract Receivable Due One Year Or Less
ContractReceivableDueOneYearOrLess
|
22560000 | |
CY2020Q4 | us-gaap |
Contract Receivable Due After One Year
ContractReceivableDueAfterOneYear
|
2112000 | |
CY2019Q4 | us-gaap |
Contract Receivable Due After One Year
ContractReceivableDueAfterOneYear
|
2112000 | |
CY2020Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
34218000 | |
CY2019Q4 | us-gaap |
Accounts Receivable Billed For Long Term Contracts Or Programs
AccountsReceivableBilledForLongTermContractsOrPrograms
|
24672000 | |
CY2020Q4 | us-gaap |
Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
|
32608000 | |
CY2019Q4 | us-gaap |
Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
|
55266000 | |
CY2020Q4 | us-gaap |
Capitalized Contract Cost Accumulated Amortization
CapitalizedContractCostAccumulatedAmortization
|
15541000 | |
CY2019Q4 | us-gaap |
Capitalized Contract Cost Accumulated Amortization
CapitalizedContractCostAccumulatedAmortization
|
11468000 | |
CY2020Q4 | us-gaap |
Noncurrent Assets
NoncurrentAssets
|
5255000 | |
CY2019Q4 | us-gaap |
Noncurrent Assets
NoncurrentAssets
|
31872000 | |
CY2020 | gldd |
Number Of Sponsored401 K Plans
NumberOfSponsored401KPlans
|
2 | |
CY2020 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
5557000 | |
CY2019 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
5168000 | |
CY2018 | us-gaap |
Defined Contribution Plan Employer Discretionary Contribution Amount
DefinedContributionPlanEmployerDiscretionaryContributionAmount
|
5060000 | |
CY2020 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
4929000 | |
CY2019 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
4517000 | |
CY2018 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
4207000 | |
CY2019 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-6329000 | |
CY2018 | us-gaap |
Income Loss From Discontinued Operations Net Of Tax
IncomeLossFromDiscontinuedOperationsNetOfTax
|
-17309000 | |
CY2018 | us-gaap |
Restructuring Charges
RestructuringCharges
|
16145000 | |
CY2020Q4 | gldd |
Outstanding Performance Bonds
OutstandingPerformanceBonds
|
1187933000 | |
CY2020Q4 | gldd |
Revenue Value Remaining From Outstanding Performance Bonds
RevenueValueRemainingFromOutstandingPerformanceBonds
|
524375000 | |
CY2015Q1 | us-gaap |
Proceeds From Legal Settlements
ProceedsFromLegalSettlements
|
5309000 | |
CY2019Q3 | gldd |
Penalty For Violation
PenaltyForViolation
|
973000 | |
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 | |
CY2018 | us-gaap |
Disposal Group Including Discontinued Operation Revenue
DisposalGroupIncludingDiscontinuedOperationRevenue
|
76843000 | |
CY2019 | us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-8253000 | |
CY2018 | us-gaap |
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
|
-9361000 | |
CY2019 | us-gaap |
Discontinued Operation Provision For Loss Gain On Disposal Before Income Tax
DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax
|
2632000 | |
CY2018 | us-gaap |
Discontinued Operation Provision For Loss Gain On Disposal Before Income Tax
DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax
|
14110000 | |
CY2019 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-4556000 | |
CY2018 | us-gaap |
Discontinued Operation Tax Effect Of Discontinued Operation
DiscontinuedOperationTaxEffectOfDiscontinuedOperation
|
-6162000 | |
CY2017Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4294000 | |
CY2018 | gldd |
Valuation Allowances And Reserves Additions
ValuationAllowancesAndReservesAdditions
|
692000 | |
CY2018Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
4986000 | |
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 | |
CY2020 | us-gaap |
Valuation Allowances And Reserves Deductions
ValuationAllowancesAndReservesDeductions
|
1022000 | |
CY2020Q4 | us-gaap |
Valuation Allowances And Reserves Balance
ValuationAllowancesAndReservesBalance
|
3037000 |