Entity Central Index Key Costs and earnings in excess of billings for contracts in progress. Costs and earnings in excess of billings for completed contracts. Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Address, Address Line One Entity Address Address Line1 Entity Address, Address Line Two Entity Address Address Line2 Entity Address, City or Town Entity Address City Or Town Entity Address, State or Province Entity Address State Or Province Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number City Area Code City Area Code Local Phone Number Local Phone Number Entity Address, Postal Zip Code Entity Address Postal Zip Code Entity Interactive Data Current Entity Interactive Data Current Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation State Country Code Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Accounts receivable excluding contract receivable current. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] CURRENT ASSETS: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts receivable—net Accounts Receivable Excluding Contract Receivable Current Contract revenues in excess of billings Contract Receivable Due One Year Or Less Inventories Inventory Net Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current PROPERTY AND EQUIPMENT—Net Property Plant And Equipment Net OPERATING LEASE ASSETS Operating Lease Right Of Use Asset GOODWILL Goodwill INVENTORIES—Noncurrent Inventory Noncurrent OTHER Other Assets Noncurrent TOTAL Assets LIABILITIES AND EQUITY Liabilities And Stockholders Equity [Abstract] Accounts payable Accounts Payable Current Accrued expenses Accrued Liabilities Current Operating lease liabilities Operating Lease Liability Current Billings in excess of contract revenues Contract With Customer Liability Current Total current liabilities Liabilities Current LONG-TERM DEBT Long Term Debt Noncurrent OPERATING LEASE LIABILITIES—Noncurrent Operating Lease Liability Noncurrent DEFERRED INCOME TAXES Deferred Income Tax Liabilities Net OTHER Other Liabilities Noncurrent Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES (Note 8) Commitments And Contingencies EQUITY: Stockholders Equity [Abstract] Common stock—$.0001 par value; 90,000 authorized, 66,083 and 65,746 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively. Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Total equity Stockholders Equity TOTAL Liabilities And Stockholders Equity Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Contract revenues Revenue From Contract With Customer Excluding Assessed Tax Revenue, Product and Service [Extensible Enumeration] Type Of Revenue Extensible List Costs of contract revenues Cost Of Goods And Services Sold Cost, Product and Service [Extensible Enumeration] Type Of Cost Good Or Service Extensible List Gross profit Gross Profit General and administrative expenses General And Administrative Expense (Gain) loss on sale of assets—net Gain Loss On Disposition Of Assets Operating income (loss) Operating Income Loss Interest expense—net Interest Income Expense Nonoperating Net Other income (expense) Other Nonoperating Income Expense Income (loss) before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax (provision) benefit Income Tax Expense Benefit Net income (loss) Net Income Loss Basic earnings (loss) per share Earnings Per Share Basic Basic weighted average shares Weighted Average Number Of Shares Outstanding Basic Diluted earnings (loss) per share Earnings Per Share Diluted Diluted weighted average shares Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net income (loss) Net change in cash flow derivative hedges—net of tax Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Comprehensive income (loss) Comprehensive Income Net Of Tax Net unrealized gain (loss) on derivatives, tax Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Vesting of restricted stock units shares and impact of shares withheld for taxes. Vesting of restricted stock units value and impact of shares withheld for taxes. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Retained Earnings (Accumulated Deficit) [Member] Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-In Capital [Member] Additional Paid In Capital [Member] Retained Earnings (Accumulated Deficit) [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income [Member] Statement [Line Items] Statement [Line Items] BALANCE - value BALANCE - shares Shares Outstanding Share-based compensation, value Stock Issued During Period Value Share Based Compensation Share-based compensation, shares Stock Issued During Period Shares Share Based Compensation Vesting of restricted stock units and impact of shares withheld for taxes, value Vesting Of Restricted Stock Units Value And Impact Of Shares Withheld For Taxes Vesting of restricted stock units and impact of shares withheld for taxes, shares Vesting Of Restricted Stock Units Shares And Impact Of Shares Withheld For Taxes Exercise of stock options and purchases from employee stock purchase plan, value Stock Issued During Period Value Stock Options Exercised Exercise of stock options and purchases from employee stock purchase plan, shares Stock Issued During Period Shares Stock Options Exercised Net income (loss) Other comprehensive income (loss) net of tax Other Comprehensive Income Loss Net Of Tax BALANCE - value BALANCE - shares Cancellation of treasury stock, value Treasury Stock Retired Cost Method Amount Cancellation of treasury stock, shares Treasury Stock Shares Retired Amortization of deferred financing cost and other non cash interest expense. Increase decrease in costs in excess of billings on uncompleted contracts or programs expected to be collected within one year. Interest paid net of cash received. Statement Of Cash Flows [Abstract] OPERATING ACTIVITIES: Net Cash Provided By Used In Operating Activities [Abstract] Net income Profit Loss Adjustments to reconcile net income to net cash flows provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation Depletion And Amortization Deferred income taxes Deferred Income Tax Expense Benefit Gain on sale of assets Gains Losses On Sales Of Assets Amortization of deferred financing fees Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense Share-based compensation expense Share Based Compensation Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Contract revenues in excess of billings Increase Decrease In Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year Inventories Increase Decrease In Inventories Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Accounts payable and accrued expenses Increase Decrease In Accounts Payable And Accrued Liabilities Billings in excess of contract revenues Increase Decrease In Contract With Customer Liability Other noncurrent assets and liabilities Increase Decrease In Other Noncurrent Assets And Liabilities Net Cash provided by operating activities Net Cash Provided By Used In Operating Activities INVESTING ACTIVITIES: Net Cash Provided By Used In Investing Activities [Abstract] Purchases of property and equipment Payments To Acquire Property Plant And Equipment Proceeds from dispositions of property and equipment Proceeds From Sale Of Property Plant And Equipment Cash used in investing activities Net Cash Provided By Used In Investing Activities FINANCING ACTIVITIES: Net Cash Provided By Used In Financing Activities [Abstract] Deferred financing fees Payment Of Financing And Stock Issuance Costs Taxes paid on settlement of vested share awards Payments Related To Tax Withholding For Share Based Compensation Exercise of options and purchases from employee stock plans Proceeds From Stock Options Exercised Cash used in financing activities Net Cash Provided By Used In Financing Activities Net decrease in cash, cash equivalents and restricted cash Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash, cash equivalents and restricted cash at beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash, cash equivalents and restricted cash at end of period Restricted cash included in other long-term assets Restricted Cash Equivalents Supplemental Cash Flow Information Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Net Of Cash Received Cash paid for income taxes Income Taxes Paid Net Non-cash Investing and Financing Activities Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Property and equipment purchased but not yet paid Capital Expenditures Incurred But Not Yet Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Basis of Presentation Basis Of Presentation And Significant Accounting Policies [Text Block] Earnings Per Share [Abstract] Earnings Per Share Earnings Per Share [Text Block] Payables And Accruals [Abstract] Accrued Expenses Accounts Payable And Accrued Liabilities Disclosure [Text Block] Debt Disclosure [Abstract] Long-Term Debt Long Term Debt [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Share-Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Revenue From Contract With Customer [Abstract] Revenue Revenue From Contract With Customer [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Computations for Basic and Diluted Earnings Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Accrued Expenses Schedule Of Accrued Liabilities Table [Text Block] Schedule of fair values of financial instruments and non-financial assets and liabilities measured. Schedule of Fair Values of Financial Instruments and Nonfinancial Assets and Liabilities Measured at the Reporting Date Schedule Of Fair Values Of Financial Instruments And Nonfinancial Assets And Liabilities Measured Table [Text Block] Changes in Components of Accumulated Other Comprehensive Income (Loss) Schedule Of Accumulated Other Comprehensive Income Loss Table [Text Block] Adjustments Reclassified from Accumulated Balances Other Comprehensive Income (Loss) to Earnings Reclassification Out Of Accumulated Other Comprehensive Income Table [Text Block] Summary of Contract Revenues by Type of Work and Customer Disaggregation Of Revenue Table [Text Block] Schedule of Accounts Receivable Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Components of Contracts in Progress Costs In Excess Of Billings And Billings In Excess Of Costs Table [Text Block] Number of reportable segments with goodwill. Number of operating Segments Number Of Operating Segments Number of reportable segments Number Of Reportable Segments Number of reportable segment with goodwill Number Of Reportable Segments With Goodwill Weighted-average common shares outstanding — basic Effect of stock options and restricted stock units Weighted Average Number Diluted Shares Outstanding Adjustment Weighted-average common shares outstanding — diluted Earnings (loss) per share — basic Earnings (loss) per share — diluted Stock options and restricted stock, excluded from computation of earnings per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Accrued contract reserves liabilities current. Insurance Accrued Insurance Current Other Other Accrued Liabilities Current Payroll and employee benefits Employee Related Liabilities Current Interest Interest Payable Current Income and other taxes Taxes Payable Current Contract reserves Accrued Contract Reserves Liabilities Current Total accrued expenses Debt Instrument [Table] Debt Instrument [Table] Credit Facility Credit Facility [Axis] Credit Facility Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Green loan option. Green Loan Option [Member] Green Loan Option [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Variable Rate Variable Rate [Axis] Variable Rate Variable Rate [Domain] Domestic rate. Domestic Rate [Member] Domestic Rate [Member] Daily Simple SOFR Rate [Member] Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member] Green loan advance rates. Green Loan Advance Rates [Member] Green Loan Advance Rates [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] 2029 Notes. 2029 Notes [Member] Two Thousand Twenty Nine Notes [Member] Eight percent senior notes due in two thousand twenty two. 8.000% Senior Notes Due in 2022 [Member] Eight Percent Senior Notes Due In Two Thousand Twenty Two [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Revolving credit facility Lines Of Credit Current Line of credit facility, maximum borrowing capacity Line Of Credit Facility Maximum Borrowing Capacity Letters of credit outstanding Letters Of Credit Outstanding Amount Letter of credit remaining borrowing capacity Line Of Credit Facility Remaining Borrowing Capacity Availability under credit agreement suppressed Line Of Credit Facility Current Borrowing Capacity Line of credit facility optional increase capacity. Line of credit facility optional increase capacity Line Of Credit Facility Optional Increase Capacity Fixed charge coverage ratio. Line of credit facility expiration description. Fixed charge coverage ratio Fixed Charge Coverage Ratio Revolving credit facility, maturity date Line Of Credit Facility Expiration Date1 Credit facility expiration description Line Of Credit Facility Expiration Description Debt instrument, basis spread on variable rate Debt Instrument Basis Spread On Variable Rate1 Debt instrument, face amount Debt Instrument Face Amount Debt instrument, interest rate, stated percentage Debt Instrument Interest Rate Stated Percentage Maturity date Debt Instrument Maturity Date Owned domestic subsidiaries percent. Owned Domestic Subsidiaries Percent Owned Domestic Subsidiaries Percent Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Hedging Relationship Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship Hedging Relationship [Domain] Fuel hedge contracts. Fuel Hedge Contracts [Member] Fuel Hedge Contracts [Member] Foreign currency exchange hedge contracts. Foreign Currency Exchange Hedge Contracts [Member] Foreign Currency Exchange Hedge Contracts [Member] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 2 [Member] Fair Value Inputs Level2 [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Derivatives assets Derivative Assets Derivatives liabilities Derivative Liabilities Derivative underlying hedge percent. Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Value, Inputs, Level 1 [Member] Fair Value Inputs Level1 [Member] Derivatives Fair Value [Line Items] Derivatives Fair Value [Line Items] Derivative underlying hedge percent Derivative Underlying Hedge Percent Derivative, nonmonetary notional amount, volume Derivative Nonmonetary Notional Amount Volume Fixed price range Derivative Swap Type Fixed Price Fair value hedge assets Fair Value Hedge Assets At Fair Value Reclassification of derivative (gains) losses to earnings net of tax Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax Derivative notional amount Derivative Notional Amount Fixed price range Derivative Forward Price Fair value hedge liabilities Fair Value Hedge Liabilities At Fair Value Fair value hedges Fair Value Hedges At Fair Value Net Change in fair value of derivatives—net of tax Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax Net change in cash flow derivative foreign currency hedges—net of tax Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Accumulated Gain Loss Net Cash Flow Hedge Parent [Member] Accumulated Gain Loss Net Cash Flow Hedge Parent [Member] Reclassification out of Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification Out of Accumulated Other Comprehensive Income [Member] Reclassification Out Of Accumulated Other Comprehensive Income [Member] Derivative Instruments Gain Loss [Line Items] Derivative Instruments Gain Loss [Line Items] Costs of contract revenues Income tax (provision) benefit Net income (loss) Fair value of debt Debt Instrument Fair Value Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Title of Individual Title Of Individual [Axis] Title of Individual Title Of Individual With Relationship To Entity [Domain] Employees and directors. Employees and Directors [Member] Employees And Directors [Member] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand seventeen long-term incentive plan. 2017 Long-Term Incentive Plan [Member] Two Thousand Seventeen Long Term Incentive Plan [Member] Two thousand seven long-term incentive plan. 2007 Long-Term Incentive Plan [Member] Two Thousand Seven Long Term Incentive Plan [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based compensation arrangement by share-based payment award, number of shares available for grant Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Underlying equity awards issued Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Restricted stock units Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Performance obligation expected to be recognized as revenue, year. Percentage of performance obligation to be recognized as revenue. Revenue from contract with customer line items. Revenue from contract with customer table. Revenue From Contract With Customer [Table] Revenue From Contract With Customer [Table] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Other current and noncurrent assets. Other Current and Noncurrent Assets [Member] Other Current And Noncurrent Assets [Member] Revenue From Contract With Customer [Line Items] Revenue From Contract With Customer [Line Items] Revenue, remaining performance obligation Revenue Remaining Performance Obligation Percentage of performance obligation to be recognized as revenue Percentage Of Performance Obligation To Be Recognized As Revenue Performance obligation, expected to be recognized as revenue year Performance Obligation Expected To Be Recognized As Revenue Year Remaining performance obligation, expected timing of satisfaction, year Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Year1 Disaggregation Of Revenue [Abstract] Disaggregation Of Revenue [Table] Disaggregation Of Revenue [Table] Subsegments Subsegments [Axis] Subsegments Subsegments [Domain] Type of work. Type of Work [Member] Type Of Work [Member] Consolidation Items Consolidation Items [Axis] Consolidation Items Consolidation Items [Domain] Operating Segment [Member] Operating Segments [Member] Segments Statement Business Segments [Axis] Segments Segment [Domain] Dredging. Dredging [Member] Dredging [Member] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Capital dredging - U.S. Capital-U.S. [Member] Capital Dredging U S [Member] Capital dredging - Foreign. Capital-Foreign [Member] Capital Dredging Foreign [Member] Beach nourishment dredging. Coastal Protection [Member] Beach Nourishment Dredging [Member] Maintenance dredging. Maintenance [Member] Maintenance Dredging [Member] Rivers & Lakes. Rivers & Lakes [Member] Rivers Lakes [Member] Disaggregation Of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Revenue from Contract with Customer, Excluding Assessed Tax Type of customer. Type of Customer [Member] Type Of Customer [Member] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Federal government. Federal Government [Member] Federal Government [Member] State and local government. State and Local Government [Member] State And Local Government [Member] Private. Private [Member] Private [Member] Foreign. Foreign [Member] Foreign [Member] Accounts receivable billed for long term completed contracts or programs. Accounts receivable billed for long term contracts or programs in progress. Receivables [Abstract] Completed contracts Accounts Receivable Billed For Long Term Completed Contracts Or Programs Contracts in progress Accounts Receivable Billed For Long Term Contracts Or Programs In Progress Retainage Construction Contractor Receivable Retainage Accounts receivable, gross Accounts Receivable Gross Allowance for doubtful accounts Allowance For Doubtful Accounts Receivable Total accounts receivable—net Accounts Receivable Net Costs and earnings for contracts in progress. Billings for contracts in progress. Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Table] Receivable Type Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] Receivable Receivable Type [Domain] Costs and earnings in excess of billings. Costs And Earnings In Excess Of Billings [Member] Costs And Earnings In Excess Of Billings [Member] Billings in excess of costs and earnings. Billings In Excess Of Costs And Earnings [Member] Billings In Excess Of Costs And Earnings [Member] Accounts Notes And Loans Receivable [Line Items] Accounts Notes And Loans Receivable [Line Items] Costs and earnings for contracts in progress Costs And Earnings For Contracts In Progress Amounts billed Billings For Contracts In Progress Costs and earnings in excess of billings for contracts in progress Costs And Earnings In Excess Of Billings For Contracts In Progress Costs and earnings in excess of billings for completed contracts Costs And Earnings In Excess Of Billings For Completed Contracts Total contract revenues in excess of billings Accounts Receivable Billed For Long Term Contracts Or Programs Current portion of contract revenues in excess of billings Long-term contract revenues in excess of billings Contract Receivable Due After One Year Total billings in excess of contract revenues Increased gross profit. Increased gross profit Increased Gross Profit Costs to fulfill a contract with customer recognized as an asset Capitalized Contract Cost Gross Amortization on pre-construction costs Capitalized Contract Cost Amortization Bids bond range. Outstanding performance bonds. Revenue value remaining from outstanding performance bonds. Commitments and contingencies. Commitments and contingencies. Commitments And Contingencies [Table] Commitments And Contingencies [Table] Energy Energy [Axis] Energy Energy [Domain] Crude Oil [Member] Crude Oil [Member] Loss Contingency Nature Loss Contingencies By Nature Of Contingency [Axis] Loss Contingency, Nature Loss Contingency Nature [Domain] Indemnification commitment member. Indemnification Commitment [Member] Indemnification Commitment [Member] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Bids bond range Bids Bond Range Outstanding performance bonds Outstanding Performance Bonds Revenue value remaining from outstanding performance bonds Revenue Value Remaining From Outstanding Performance Bonds Warranty periods. Warranty periods Warranty Periods Quantity of oil spill. Fine for violation. Potential liability for criminal matters. Restitution owe on liability for criminal matters previously deposited. Fine paid for criminal matters. Proceeds from Legal Settlements Proceeds From Legal Settlements Aggregate demolition surety performance bond Loss Contingency Damages Sought Value Quantity of oil spill Quantity Of Oil Spill Fine for violation Fine For Violation Potential liability for criminal matters Potential Liability For Criminal Matters Restitution owe on liability for criminal matters previously deposited Restitution Owe On Liability For Criminal Matters Previously Deposited Fine paid for criminal matters Fine Paid For Criminal Matters