Entity Central Index Key
Income tax reconciliation change in state law regarding non operating loss carryforwards.
Income tax reconciliation change in deferred state tax rate
Income tax reconciliation nondeductible expense officer compensation.
Income tax reconciliation, changes in unrecognized tax benefits
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, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
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 Annual Report
Document Annual Report
Document Transition Report
Document Transition Report
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Public Float
Entity Public Float
Entity Voluntary Filers
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
Entity Well Known Seasoned Issuer
Entity Current Reporting Status
Entity Current Reporting Status
Accounts receivable excluding contract receivable current.
Assets held for sale— non-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
Prepaid Expense Current
Other current assets
Other Assets Current
Assets held for sale
Assets Of Disposal Group Including Discontinued Operation 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
ASSETS HELD FOR SALE— Noncurrent
Assets Held For Sale Non Current
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
Revolving credit facility
Lines Of Credit Current
Liabilities held for sale
Liabilities Of Disposal Group Including Discontinued Operation 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 Tax Liabilities Noncurrent
LIABILITIES HELD FOR SALE— Noncurrent
Liabilities Of Disposal Group Including Discontinued Operation Noncurrent
OTHER
Other Liabilities Noncurrent
Total liabilities
Liabilities
COMMITMENTS AND CONTINGENCIES (Note 13)
Commitments And Contingencies
EQUITY:
Stockholders Equity [Abstract]
Common stock—$.0001 par value; 90,000 authorized, 64,283 and 62,830 shares issued; 64,283 and 62,552 outstanding at December 31, 2019 and December 31, 2018, respectively.
Common Stock Value
Treasury stock, at cost
Treasury Stock Value
Additional paid-in capital
Additional Paid In Capital Common Stock
Accumulated deficit
Retained Earnings Accumulated Deficit
Accumulated other comprehensive income (loss)
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
Proceeds From Loss Of Use Claim
Equity in earnings (loss) of joint venture through business units.
Income Statement [Abstract]
CONTRACT REVENUES
Revenue From Contract With Customer Excluding Assessed Tax
Type of Revenue [Extensible List]
Type Of Revenue Extensible List
COSTS OF CONTRACT REVENUES
Cost Of Goods And Services Sold
Type of Cost, Good or Service [Extensible List]
Type Of Cost Good Or Service Extensible List
GROSS PROFIT
Gross Profit
OPERATING EXPENSES:
Operating Expenses [Abstract]
GENERAL AND ADMINISTRATIVE EXPENSES
General And Administrative Expense
PROCEEDS FROM LOSS OF USE CLAIM
Proceeds From Loss Of Use Claim
LOSS ON SALE OF ASSETS—Net
Gain Loss On Disposition Of Assets
Total operating income (loss)
Operating Income Loss
OTHER EXPENSE:
Nonoperating Income Expense [Abstract]
Interest expense—net
Interest Income Expense Nonoperating Net
Equity in loss of joint ventures
Equity In Earning Loss Of Joint Venture Through Business Units
Other income (expense)
Other Nonoperating Income Expense
Total other expense
Nonoperating Income Expense
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
INCOME TAX (PROVISION) BENEFIT
Income Tax Expense Benefit
INCOME (LOSS) FROM CONTINUING OPERATIONS
Income Loss From Continuing Operations
Loss from discontinued operations, net of income taxes
Income Loss From Discontinued Operations Net Of Tax
NET INCOME (LOSS)
Net Income Loss
Basic earnings (loss) per share attributable to income (loss) from continuing operations
Income Loss From Continuing Operations Per Basic Share
Basic loss per share attributable to loss on discontinued operations, net of income taxes
Income Loss From Discontinued Operations Net Of Tax Per Basic Share
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 attributable to income (loss) from continuing operations
Income Loss From Continuing Operations Per Diluted Share
Diluted loss per share attributable to loss on discontinued operations, net of income taxes
Income Loss From Discontinued Operations Net Of Tax Per Diluted Share
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)
Currency translation adjustment—net of tax
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
Net unrealized (gain) loss on derivatives—net of tax
Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax
Other comprehensive income (loss)—net of tax
Other Comprehensive Income Loss Net Of Tax
Comprehensive income (loss)
Comprehensive Income Net Of Tax
Currency translation adjustment, tax
Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax
Net unrealized loss on derivatives, tax
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax
Vesting of restricted stock units shares including impact of shares withheld for taxes.
Vesting of restricted stock units value including impact of shares withheld for taxes.
Statement Of Stockholders Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Stock [Member]
Common Stock [Member]
Treasury Stock [Member]
Treasury Stock [Member]
Additional Paid-In Capital [Member]
Additional Paid In Capital [Member]
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
Cumulative effect of recent accounting pronouncements
Cumulative Effect On Retained Earnings Tax1
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, including impact of shares withheld for taxes, value
Vesting Of Restricted Stock Units Value Including Impact Of Shares Withheld For Taxes
Vesting of restricted stock units, including impact of shares withheld for taxes, shares
Vesting Of Restricted Stock Units Shares Including 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
Cancellation of treasury stock
Treasury Stock Retired Cost Method Amount
Cancellation of treasury stock, share
Treasury Stock Shares Retired
Other comprehensive income (loss)-net of tax
BALANCE - value
BALANCE - shares
Cash distributions from joint ventures.
Other non-cash restructuring items.
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.
Net change in accounts with affiliates
Proceeds to repayments from parent in investing activities.
Seven point three seven five senior notes tender premium.
Statement Of Cash Flows [Abstract]
OPERATING ACTIVITIES:
Net Cash Provided By Used In Operating Activities [Abstract]
Net income (loss)
Profit Loss
Adjustments to reconcile net income (loss) 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
Equity in loss of joint ventures
Income Loss From Equity Method Investments
Loss on extinguishment of 7 3/8% senior subordinated notes
Gains Losses On Extinguishment Of Debt
Cash distributions from joint ventures
Cash Distributions From Joint Ventures
Deferred income taxes
Deferred Income Tax Expense Benefit
Loss on dispositions of property and equipment
Gain Loss On Sale Of Property Plant Equipment
Other non-cash restructuring items
Other Non Cash Restructuring Items
Amortization of deferred financing fees
Amortization Of Deferred Financing Cost And Other Non Cash Interest Expense
Unrealized foreign currency gain
Foreign Currency Transaction Gain Loss Unrealized
Unrealized net loss from mark-to-market valuations of derivatives
Unrealized Gain Loss On Derivatives
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
Net cash flows provided by operating activities of continuing operations
Net Cash Provided By Used In Operating Activities Continuing Operations
Net cash flows used in operating activities of discontinued operations
Cash Provided By Used In Operating Activities Discontinued Operations
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
Net cash flows used in investing activities of continuing operations
Net Cash Provided By Used In Investing Activities Continuing Operations
Net cash flows (used in) provided by investing activities of discontinued operations
Cash Provided By Used In Investing Activities Discontinued Operations
Net change in accounts with affiliates
Payments For Proceeds From Accounts With Affiliates
Transfer to parent
Proceeds To Repayments From Parent In Investing Activities
Cash used in investing activities
Net Cash Provided By Used In Investing Activities
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Seven point three seven five senior notes due in two thousand nineteen.
7 3/8% SENIOR NOTES [Member]
Seven Point Three Seven Five Senior Notes Due In Two Thousand Nineteen [Member]
Debt instrument, interest rate, stated percentage
Debt Instrument Interest Rate Stated Percentage
Non cash repayments of debt with proceeds from sale leaseback transactions.
FINANCING ACTIVITIES:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from issuance of debt
Proceeds From Issuance Of Debt
Repayments of debt
Repayments Of Debt
7 3/8% senior notes tender premium
Seven Point Three Seven Five Senior Notes Tender Premium
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 stock options and purchases from employee stock plans
Proceeds From Stock Options Exercised
Borrowings under revolving loans
Proceeds From Long Term Lines Of Credit
Repayments of revolving loans
Repayments Of Long Term Lines Of Credit
Net cash flows (used in) provided by financing activities of continuing operations
Net Cash Provided By Used In Financing Activities Continuing Operations
Net cash flows used in financing activities of discontinued operations
Cash Provided By Used In Financing Activities Discontinued Operations
Cash (used in) provided by financing activities
Net Cash Provided By Used In Financing Activities
Effect of foreign currency exchange rates on cash and cash equivalents
Effect Of Exchange Rate On Cash And Cash Equivalents
Net increase (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 Noncurrent
Cash, cash equivalents and restricted cash at end of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Supplemental Cash Flow Information
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid Net
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
Repayments of debt with proceeds from sale-leaseback transactions
Non Cash Repayments Of Debt With Proceeds From Sale Leaseback Transactions
Documents Incorporated by Reference
Documents Incorporated By Reference [Text Block]
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Nature of Business and Summary of Significant Accounting Policies
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block]
Earnings Per Share [Abstract]
Earnings Per Share
Earnings Per Share [Text Block]
Property Plant And Equipment [Abstract]
Property and Equipment
Property Plant And Equipment Disclosure [Text Block]
Leases [Abstract]
Leases
Lessee Operating Leases [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]
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Share-Based Compensation
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]
Compensation And Retirement Disclosure [Abstract]
Retirement Plans
Pension And Other Postretirement Benefits Disclosure [Text Block]
Restructuring And Related Activities [Abstract]
Restructuring Charges
Restructuring And Related Activities Disclosure [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Discontinued Operations And Disposal Groups [Abstract]
Business Dispositions
Disposal Groups Including Discontinued Operations Disclosure [Text Block]
Valuation And Qualifying Accounts [Abstract]
Schedule II-Valuation and Qualifying Accounts
Schedule Of Valuation And Qualifying Accounts Disclosure [Text Block]
Consolidation and basis of accounting.
Principles of Consolidation and Basis of Presentation
Consolidation And Basis Of Accounting Policy [Text Block]
Use of Estimates
Use Of Estimates
Revenue and Cost Recognition on Contracts
Revenue and Cost Recognition on Contracts
Revenue And Cost Recognition On Contracts Policies [Text Block]
Classification of current assets and liabilities.
Classification of Current Assets and Liabilities
Classification Of Current Assets And Liabilities Policies [Text Block]
Cash Equivalents
Cash And Cash Equivalents Policy [Text Block]
Accounts Receivable
Receivables Policy [Text Block]
Inventories
Inventory Policy [Text Block]
Property, Plant and Equipment
Property Plant And Equipment Policy [Text Block]
Goodwill and Other Intangible Assets
Goodwill And Intangible Assets Policy [Text Block]
Long-Lived Assets
Impairment Or Disposal Of Long Lived Assets Policy [Text Block]
Self-insurance Reserves
Self Insurance Reserve Policy [Text Block]
Income Taxes
Regulatory Income Taxes Policy
Hedging Instruments
Derivatives Policy [Text Block]
Foreign Currency Translation
Foreign Currency Transactions And Translations Policy [Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Estimated useful lives by class of assets.
Estimated Useful Lives By Class Of Assets
Estimated Useful Lives By Class Of Assets Table [Text Block]
Computations for Basic and Diluted Earnings (Loss) Per Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of Stock Options and Restricted Stock Units Excluded from Calculation of Anti-Diluted Earnings Per Share
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block]
Schedule of Property Plant and Equipment
Property Plant And Equipment [Text Block]
Schedule of Lease Costs
Lease Cost Table [Text Block]
Schedule of Maturity Analysis of Operating Lease Liabilities
Lessee Operating Lease Liability Maturity Table [Text Block]
Future Minimum Operating Lease Payments
Operating Leases Of Lessee Disclosure [Text Block]
Schedule of additional information related to leases.
Schedule of Additional Information Related to Leases
Schedule Of Additional Information Related To Leases Table [Text Block]
Supplemental information related to leases.
Supplemental Information Related to Leases
Supplemental Information Related To Leases Table [Text Block]
Accrued Expenses
Schedule Of Accrued Liabilities Table [Text Block]
Schedule of Long-Term Debt
Schedule Of Debt Instruments [Text Block]
Maturities of Long-Term Debt
Schedule Of Maturities Of Long Term Debt 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]
Schedule of Fair Value of Fuel Hedge Contracts Balance Sheet Location
Fair Value By Balance Sheet Grouping [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]
Schedule of components of income tax expense benefit from continuing and discontinued operations.
Schedule of Income tax Provision (Benefit) from Continuing and Discontinuing Operations
Schedule Of Components Of Income Tax Expense Benefit From Continuing And Discontinued Operations Table [Text Block]
Income (Loss) from Continuing Operations before Income Tax from Domestic and Foreign Operations
Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block]
Provision (Benefit) For Income Taxes
Schedule Of Components Of Income Tax Expense Benefit Table [Text Block]
Income Tax Provision (Benefit) Reconciliation
Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block]
Reconciliation of Unrecognized Tax Benefits
Schedule Of Unrecognized Tax Benefits Roll Forward Table [Text Block]
Deferred Tax Assets (Liabilities)
Schedule Of Deferred Tax Assets And Liabilities Table [Text Block]
Share-Based Compensation [Abstract]
Summary of Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Summary of Non-Vested Restricted Stock Units
Schedule Of Nonvested Restricted Stock Units Activity Table [Text Block]
Summary of Type of Work and Customer, Contract Revenues
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]
Summary of Revenues and Gross Profit from Foreign Project Operations
Schedule Of Revenue From External Customers Attributed To Foreign Countries By Geographic Area [Text Block]
Schedule of Restructuring Charges
Schedule Of Restructuring And Related Costs [Text Block]
Schedule of Discontinued Operations
Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures [Text Block]
Schedule of Major Classes of Assets and Liabilities of Businesses Reported as Discontinued Operations
Schedule Of Recognized Identified Assets Acquired And Liabilities Assumed Table [Text Block]
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Building and Improvements [Member]
Building And Building Improvements [Member]
Furniture and Fixtures [Member]
Furniture And Fixtures [Member]
Vehicles, dozers, and other light operating equipment and systems
Vehicles, Dozers, And Other Light Operating Equipment And Systems [Member]
Vehicles Dozers And Other Light Operating Equipment And Systems [Member]
Heavy operating equipment (dredges and barges)
Heavy Operating Equipment (Dredges And Barges) [Member]
Heavy Operating Equipment Dredges And Barges [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment [Line Items]
Useful life
Property Plant And Equipment Useful Life
Number of reportable segments with goodwill.
Nature of business and summary of significant accounting policies.
Nature Of Business And Summary Of Significant Accounting Policies [Table]
Nature Of Business And Summary Of Significant Accounting Policies [Table]
Nature Of Business And Summary Of Significant Accounting Policies [Table]
Adjustments for New Accounting Pronouncements
Adjustments For New Accounting Pronouncements [Axis]
Type of Adoption
Type Of Adoption [Member]
Accounting Standards Update 2016-02 [Member]
Accounting Standards Update201602 [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
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
Cumulative net adjustment to the beginning retained earnings balance
New Accounting Pronouncement Or Change In Accounting Principle Cumulative Effect Of Change On Equity Or Net Assets1
Income (loss) from continuing operations
Loss on discontinued operations, net of income taxes
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 from continuing operations — basic
Earnings (loss) per share from continuing operations — diluted
Securities excluded from computation of dilutive earnings per share amount due to loss.
Effect of stock options and restricted stock units
Securities Excluded From Computation Of Dilutive Earnings Per Share Amount Due To Loss
Effect of stock options and restricted stock units
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Land [Member]
Land [Member]
Operating Equipment [Member]
Equipment [Member]
Total property and equipment
Property Plant And Equipment Gross
Accumulated depreciation
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Property and equipment — net
Operating equipment excluded from property and equipment held for sale
Disposal Group Including Discontinued Operation Property Plant And Equipment
Depreciation
Depreciation
Operating lease cost
Operating Lease Cost
Short-term lease cost
Short Term Lease Cost
Total lease cost
Lease Cost
Rent expense under long term operating lease arrangements
Lease And Rental Expense
Operating Lease Liabilities Payments Due Rolling Maturity [Abstract]
2020
Lessee Operating Lease Liability Payments Due Next Twelve Months
2021
Lessee Operating Lease Liability Payments Due Year Two
2022
Lessee Operating Lease Liability Payments Due Year Three
2023
Lessee Operating Lease Liability Payments Due Year Four
2024
Lessee Operating Lease Liability Payments Due Year Five
Thereafter
Lessee Operating Lease Liability Payments Due After Year Five
Minimum lease payments
Lessee Operating Lease Liability Payments Due
Imputed interest
Lessee Operating Lease Liability Undiscounted Excess Amount
Present value of minimum operating lease payments
Operating Lease Liability
2019
Operating Leases Future Minimum Payments Due Current
2020
Operating Leases Future Minimum Payments Due In Two Years
2021
Operating Leases Future Minimum Payments Due In Three Years
2022
Operating Leases Future Minimum Payments Due In Four Years
2023
Operating Leases Future Minimum Payments Due In Five Years
Thereafter
Operating Leases Future Minimum Payments Due Thereafter
Total minimum operating lease payments
Operating Leases Future Minimum Payments Due
Lease Cost [Abstract]
Weighted average remaining lease term
Operating Lease Weighted Average Remaining Lease Term1
Weighted average discount rate
Operating Lease Weighted Average Discount Rate Percent
Operating cash flows from operating leases
Operating Lease Payments
Operating lease liabilities arising from obtaining new operating lease assets
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
Accrued contract reserves liabilities current.
Payroll and employee benefits
Employee Related Liabilities Current
Insurance
Accrued Insurance Current
Contract reserves
Accrued Contract Reserves Liabilities Current
Interest
Interest Payable Current
Income and other taxes
Taxes Payable Current
Fuel hedge contracts
Hedging Liabilities Current
Accrued rent
Accrued Rent Current
Other
Other Accrued Liabilities Current
Total accrued expenses
Line of credit, senior note payable, equipment notes payable and senior note.
Revolving credit facility
Long Term Line Of Credit
8% Senior Notes
Senior Notes
Line of credit, senior note payable, equipment notes payable and senior note
Line Of Credit Senior Note Payable Equipment Notes Payable And Senior Note
Current portion of revolving credit facility
Long term debt
Long Term Debt
Debt Instrument [Table]
Debt Instrument [Table]
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]
Line of credit facility optional increase capacity.
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Revolving Credit Facility [Member]
Revolving Credit Facility [Member]
Variable Rate
Variable Rate [Axis]
Variable Rate
Variable Rate [Domain]
Domestic rate.
Domestic Rate [Member]
Domestic Rate [Member]
Daily LIBOR Rate.
Daily LIBOR Rate [Member]
Daily L I B O R Rate [Member]
LIBOR Rate [Member]
London Interbank Offered Rate L I B O R [Member]
Prior revolving credit agreement.
Prior Revolving Credit Agreement [Member]
Prior Revolving Credit Agreement [Member]
Base Rate [Member]
Base Rate [Member]
7.375% Senior Notes Due In 2019 [Member]
Long-term Debt, Type
Longterm Debt Type [Axis]
Long-term Debt, Type
Longterm Debt Type [Domain]
Senior Notes [Member]
Senior Notes [Member]
Vessels and ancillary equipment.
Vessels and Ancillary Equipment [Member]
Vessels And Ancillary Equipment [Member]
Line of credit facility, maximum borrowing capacity
Line Of Credit Facility Maximum Borrowing Capacity
Line of credit facility optional increase capacity
Line Of Credit Facility Optional Increase Capacity
Number of days prior to scheduled maturity date.
Fixed charge coverage ratio.
Fixed charge coverage ratio
Fixed Charge Coverage Ratio
Revolving credit facility, maturity date
Line Of Credit Facility Expiration Date1
Description of refinanced notes maturity after the maturity date
Debt Instrument Maturity Date Description
Number of days prior to scheduled maturity date
Number Of Days Prior To Scheduled Maturity Date
Interest margin applicable rate.
Debt instrument, basis spread on variable rate
Debt Instrument Basis Spread On Variable Rate1
Interest margin applicable
Interest Margin Applicable Rate
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
Repayments of lines of credit
Repayments Of Lines Of Credit
Face value of senior notes issued, percentage.
Redemption of notes.
Debt instrument, face amount
Debt Instrument Face Amount
Maturity date
Debt Instrument Maturity Date
Face value of senior notes issued, percentage
Face Value Of Senior Notes Issued Percentage
Net proceeds from issuance
Redemption of notes
Redemption Of Notes
Owned domestic subsidiaries percent.
Owned Domestic Subsidiaries Percent
Owned Domestic Subsidiaries Percent
Net proceeds from sale-leaseback of a vessel yielding
Sale Leaseback Transaction Net Proceeds Financing Activities
Long term debt current and non current excluding equipment notes
2020
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
2021
Long Term Debt Maturities Repayments Of Principal In Year Two
2022
Long Term Debt Maturities Repayments Of Principal In Year Three
2023
Long Term Debt Maturities Repayments Of Principal In Year Four
2024
Long Term Debt Maturities Repayments Of Principal In Year Five
Thereafter
Long Term Debt Maturities Repayments Of Principal After Year Five
Total
Long Term Debt Current And Non Current Excluding Equipment Notes
Amortization of deferred financing fees
Amortization Of Financing Costs
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]
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]
Fair Value, Inputs, Level 1 [Member]
Fair Value Inputs Level1 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value Inputs Level2 [Member]
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs Level3 [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]
Fair Value, Net Asset (Liability)
Fair Value Net Asset Liability
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]
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 liabilities
Fair Value Hedge Liabilities At Fair Value
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 Reclassification Adjustment From A O C I On Derivatives Net Of Tax
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Other Current Assets [Member]
Other Current Assets [Member]
Accrued Liabilities [Member]
Accounts Payable And Accrued Liabilities [Member]
Hedging Designation
Hedging Designation [Axis]
Hedging Designation
Hedging Designation [Domain]
Derivatives Designated as Hedging Instruments [Member]
Designated As Hedging Instrument [Member]
Asset derivatives
Liability derivatives
Cumulative translation adjustments—net of tax
Change in fair value of derivatives—net of tax
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
Net unrealized (gain) loss on derivatives—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]
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Translation Adjustment [Member]
Derivative Instruments Gain Loss [Line Items]
Derivative Instruments Gain Loss [Line Items]
Other expense
Costs of contract revenues
Income tax (provision) benefit
Net income (loss)
Stated interest rate
Fair value of debt
Debt Instrument Fair Value
Income tax provision (benefit) from continuing operations
Income tax benefit from discontinued operations
Discontinued Operation Tax Effect Of Discontinued Operation
Income tax provision (benefit)
Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items
Domestic operations
Income Loss From Continuing Operations Before Income Taxes Domestic
Foreign operations
Income Loss From Continuing Operations Before Income Taxes Foreign
Total income (loss) from continuing operations before income tax
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
Income tax expense (benefit) excluding discontinued operations.
Current federal tax expense (benefit)
Current Federal Tax Expense Benefit
Deferred federal tax expense (benefit)
Deferred Federal Income Tax Expense Benefit
Current state tax expense (benefit)
Current State And Local Tax Expense Benefit
Deferred state tax expense (benefit)
Deferred State And Local Income Tax Expense Benefit
Current foreign tax expense (benefit)
Current Foreign Tax Expense Benefit
Deferred foreign tax expense (benefit)
Deferred Foreign Income Tax Expense Benefit
Income tax provision (benefit)
Income Tax Expense Benefit Excluding Discontinued Operations
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Income Tax Authority
Income Tax Authority [Axis]
Income Tax Authority
Income Tax Authority [Domain]
Domestic Tax Authority [Member]
Domestic Country [Member]
State and Local Jurisdiction [Member]
State And Local Jurisdiction [Member]
Foreign Tax Authority [Member]
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
U.S. federal statutory income tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
Tax provision (benefit) at statutory U.S. federal income tax rate
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
State income tax — net of federal income tax benefit
Income Tax Reconciliation State And Local Income Taxes
Impact of Tax Cuts and Job Act
Income Tax Reconciliation Change In Enacted Tax Rate
Change in state law regarding NOL carryforwards
Income Tax Reconciliation Change In State Law Regarding Non Operating Loss Carryforwards
Change in deferred state tax rate
Income Tax Reconciliation Change In Deferred State Tax Rate
Stock based compensation
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount
Nondeductible officer compensation
Income Tax Reconciliation Nondeductible Expense Officer Compensation
Research and development tax credits
Income Tax Reconciliation Tax Credits Research
Changes in unrecognized tax benefits
Income Tax Reconciliation Changes In Unrecognized Tax Benefits
Changes in valuation allowance
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
Other
Income Tax Reconciliation Other Adjustments
Tax Cuts and Jobs Act of 2017, change in tax rate, deferred tax liability provisional income tax (expense) benefit.
Reduction in net deferred tax liabilities
Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit
Operating loss carryforwards expiration year.
Loss carryforwards for federal income tax purposes
Operating Loss Carryforwards
Operating loss carryforwards expiration year
Operating Loss Carryforwards Expiration Year
Increase (decrease) in valuation allowance
Valuation allowance for net operating loss carryforwards
Operating Loss Carryforwards Valuation Allowance
Operating loss carryforwards, subject to expiration
Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration
Operating loss carryforwards, subject to carry forward indefinitely
Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration
Unrecognized tax benefits — January 1
Unrecognized Tax Benefits
Gross increases — tax positions in prior period
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
Gross increases — current period tax positions
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
Gross decreases — expirations
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
Gross decreases — tax positions in prior period
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
Unrecognized tax benefits — December 31,
Interest and penalties recorded
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
Deferred tax assets operating lease assets.
Deferred tax liabilities, depreciation and amortization
Deferred tax liabilities operating lease assets.
Operating lease assets
Deferred Tax Assets Operating Lease Assets
Accrued liabilities
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
Federal NOLs
Deferred Tax Assets Operating Loss Carryforwards Domestic
Foreign NOLs
Deferred Tax Assets Operating Loss Carryforwards Foreign
State NOLs
Deferred Tax Assets Operating Loss Carryforwards State And Local
Tax credit carryforwards
Deferred Tax Assets Tax Credit Carryforwards
Charitable contribution
Deferred Tax Assets Charitable Contribution Carryforwards
Valuation allowance
Deferred Tax Assets Valuation Allowance
Total deferred tax assets
Deferred Tax Assets Net
Depreciation and amortization
Deferred Tax Liabilities Depreciation And Amortization
Operating lease liabilities
Deferred Tax Liabilities Operating Lease Assets
Other liabilities
Deferred Tax Liabilities Other
Total deferred tax liabilities
Deferred Income Tax Liabilities
Net noncurrent deferred tax liabilities
Deferred tax assets valuation allowance
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]
Option Indexed to Issuer's Equity, Type
Option Indexed To Issuers Equity Type [Axis]
Option Indexed to Issuer's Equity, Type
Option Indexed To Issuers Equity Type [Domain]
Non-qualified stock options.
Non Qualified Stock Options (NQSO) [Member]
Non Qualified Stock Options [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units R S U [Member]
Non-employee directors.
Non-Employee Directors [Member]
Non Employee Directors [Member]
Chairman of the Board [Member]
Board Of Directors Chairman [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
Share-based compensation arrangement by share-based payment award, exercise period.
Vesting rights
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights
Exercise period
Share Based Compensation Arrangement By Share Based Payment Award Exercise Period
Awards granted in period
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
Aggregate intrinsic value of stock options exercised
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value
Outstanding as of January 1, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Exercised
Forfeited or Expired
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
Outstanding as of December 31, 2019
Vested at December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number
Weighted average exercise price outstanding as of January 1, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted average exercise price, granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted average exercise price, exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Weighted average exercise price, forfeited or expired
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
Weighted average exercise price outstanding as of December 31, 2019
Weighted average exercise price, vested at December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price
Weighted average remaining contractual term, outstanding at December 31, 2019
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Weighted average remaining contractual term, vested as of December 31, 2019
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
Aggregate intrinsic value, outstanding as of December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Aggregate intrinsic value, vested at December 31, 2019
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
Vesting period
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, expected to vest.
Options outstanding as of January 1, 2019
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Options granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Options vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Options forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
Options outstanding as of December 31, 2019
Options expected to vest at December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Expected To Vest
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, weighted average grant date fair value, expected to vest.
Weighted-average grant-date fair value as of January 1, 2019
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, granted
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value, forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Weighted-average grant-date fair value as of December 31, 2019
Weighted-average grant-date fair value, expected to vest at December 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Expected To Vest
Total unrecognized compensation cost related to non-vested RSUs
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options
Total unrecognized compensation cost, weighted-average period of recognition
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Amount related to shares used for tax withholding obligations
Adjustments Related To Tax Withholding For Share Based Compensation
Annual retainer per non-employee director, percentage paid in cash.
Annual retainer per non-employee director, percentage paid in common stock.
Annual retainer per non-employee director.
Additional percentage of annual retainer paid to non employee director in common stock.
Additional annual retainer paid to non employee director.
Annual retainer per non-employee director
Annual Retainer Per Non Employee Director
Annual retainer per non-employee director, percentage paid in cash
Annual Retainer Per Non Employee Director Percentage Paid In Cash
Annual retainer per non-employee director, percentage paid in common stock
Annual Retainer Per Non Employee Director Percentage Paid In Common Stock
Additional annual retainer paid to non-employee director
Additional Annual Retainer Paid To Non Employee Director
Additional percentage of annual retainer paid to non-employee director in common stock
Additional Percentage Of Annual Retainer Paid To Non Employee Director In Common Stock
Shares of common stock received by employee directors
Stock Issued During Period Shares Issued For Services
Percentage of performance obligation to be recognized as revenue.
Performance obligation expected to be recognized as revenue, year.
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]
Other current and noncurrent assets.
Other Current and Noncurrent Assets [Member]
Other Current And Noncurrent Assets [Member]
Segments
Statement Business Segments [Axis]
Segments
Segment [Domain]
Dredging.
Dredging [Member]
Dredging [Member]
Concentration Risk Benchmark
Concentration Risk By Benchmark [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Sales [Member]
Sales Revenue Net [Member]
Accounts Receivable [Member]
Accounts Receivable [Member]
Customer
Major Customers [Axis]
Customer
Name Of Major Customer [Domain]
Federal government agencies.
Federal Government Agencies [Member]
Federal Government Agencies [Member]
Concentration Risk Type
Concentration Risk By Type [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Customer Concentration Risk [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Use of equipment.
Use of Equipment [Member]
Use Of Equipment [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Federal government.
Federal Government [Member]
Federal Government [Member]
Geographic Concentration Risk [Member]
Geographic Concentration Risk [Member]
Middle East [Member]
Middle East [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
Revenue, description of timing
Revenue Performance Obligation Description Of Timing
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]
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]
Revenues
Type of customer.
Type of Customer [Member]
Type Of Customer [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
Contract 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
Costs to fulfill contracts with customers recognized as an asset
Capitalized Contract Cost Gross
Amortization on pre-contract and pre-construction costs
Capitalized Contract Cost Accumulated Amortization
Concentration risk percentage
Concentration Risk Percentage1
Contract revenues
Costs of contract revenues
Long-lived assets, net book value
Noncurrent Assets
Number of sponsored 401(k) plans
Defined Contribution Plan [Table]
Defined Contribution Plan [Table]
Defined Contribution Plan Disclosure [Line Items]
Defined Contribution Plan Disclosure [Line Items]
Number of sponsored 401(k) plans
Number Of Sponsored401 K Plans
Expense for matching and discretionary contributions
Defined Contribution Plan Employer Discretionary Contribution Amount
Contributes to various multiemployer pension plans
Defined Contribution Plan Cost Recognized
Multiemployer plans collective-bargaining arrangement percentage of contributions
Multiemployer Plan Collective Bargaining Arrangement Percentage Of Contributions Required For Multiple Collective Bargaining Arrangements
Schedule Of Restructuring And Related Costs [Table]
Schedule Of Restructuring And Related Costs [Table]
Restructuring Type
Restructuring Cost And Reserve [Axis]
Type of Restructuring
Type Of Restructuring [Domain]
Severance Costs [Member]
Employee Severance [Member]
Asset retirements.
Asset Retirements [Member]
Asset Retirements [Member]
Pre-contract costs.
Pre-contract Costs [Member]
Precontract Costs [Member]
Closeout costs.
Closeout Costs [Member]
Closeout Costs [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring Cost And Reserve [Line Items]
Estimated restructuring charge
Restructuring And Related Cost Expected Cost1
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Costs of contract revenues - depreciation.
Costs of Contract Revenues - Depreciation [Member]
Costs Of Contract Revenues Depreciation [Member]
Costs of contract revenues - other.
Costs of Contract Revenues - Other [Member]
Costs Of Contract Revenues Other [Member]
General and Administrative Expenses [Member]
General And Administrative Expense [Member]
Loss on sale of assets net.
Loss on Sale of Assets - Net [Member]
Loss On Sale Of Assets Net [Member]
Other Expense [Member]
Other Nonoperating Income Expense [Member]
Restructuring charges
Restructuring Charges
Severance expense
Severance Costs1
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]
Environmental and infrastructure segment.
Environmental and Infrastructure Segment [Member]
Environmental And Infrastructure Segment [Member]
Letter of Credit [Member]
Letter Of Credit [Member]
Loss Contingency Nature
Loss Contingencies By Nature Of Contingency [Axis]
Loss Contingency, Nature
Loss Contingency Nature [Domain]
Surety Bond [Member]
Surety Bond [Member]
Energy
Energy [Axis]
Energy
Energy [Domain]
Crude Oil [Member]
Crude Oil [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
Aggregate demolition surety performance bond
Loss Contingency Damages Sought Value
Line of credit facility, maximum borrowing capacity
Warranty periods.
Warranty periods
Warranty Periods
Proceeds from Legal Settlements
Proceeds From Legal Settlements
Quantity of oil spill.
Quantity of oil spill
Quantity Of Oil Spill
The amount of statutory maximum penalty per violation.
Statutory maximum penalty per violation
Statutory Maximum Penalty For Violation
Proceeds from sale of historical environmental and infrastructure business
Proceeds From Divestiture Of Businesses
Discontinued Operation Income Loss From Discontinued Operation Disclosures [Abstract]
Revenue
Disposal Group Including Discontinued Operation Revenue
Loss before income taxes from discontinued operations
Discontinued Operation Income Loss From Discontinued Operation Before Income Tax
Loss on disposal of assets held for sale
Discontinued Operation Provision For Loss Gain On Disposal Before Income Tax
Income tax benefit
Loss from discontinued operations, net of income taxes
Disposal group including discontinued operation contract revenues in excess of billings current.
Disposal group including discontinued operation provision for loss on disposal noncurrent.
Assets:
Assets Of Disposal Group Including Discontinued Operation [Abstract]
Accounts receivable—net
Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net
Contract revenues in excess of billings
Disposal Group Including Discontinued Operation Contract Revenues In Excess Of Billings Current
Other current assets
Disposal Group Including Discontinued Operation Other Current Assets
Assets held for sale
Property and equipment—net
Disposal Group Including Discontinued Operation Property Plant And Equipment Noncurrent
Goodwill
Disposal Group Including Discontinued Operation Goodwill Noncurrent
Other intangible assets—net
Disposal Group Including Discontinued Operation Intangible Assets Noncurrent
Other assets
Disposal Group Including Discontinued Operation Other Noncurrent Assets
Reserve for loss on disposal
Disposal Group Including Discontinued Operation Provision For Loss On Disposal Noncurrent
Assets held for sale—noncurrent
Disposal Group Including Discontinued Operation Assets Noncurrent
Liabilities:
Liabilities Of Disposal Group Including Discontinued Operation [Abstract]
Accounts payable
Disposal Group Including Discontinued Operation Accounts Payable Current
Accrued expenses
Disposal Group Including Discontinued Operation Accrued Liabilities Current
Other current liabilities
Disposal Group Including Discontinued Operation Other Current Liabilities
Liabilities held for sale
Liabilities Of Disposal Group Including Discontinued Operation
Other liabilities
Disposal Group Including Discontinued Operation Other Noncurrent Liabilities
Liabilities held for sale—noncurrent
Valuation allowances and reserves additions.
Valuation And Qualifying Accounts Disclosure [Table]
Valuation And Qualifying Accounts Disclosure [Table]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
Valuation Allowances And Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves
Valuation Allowances And Reserves [Domain]
Allowance for Doubtful Accounts [Member]
Allowance For Credit Loss [Member]
Valuation Allowance for Deferred Tax Assets [Member]
Valuation Allowance Of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation And Qualifying Accounts Disclosure [Line Items]
Beginning Balance
Valuation Allowances And Reserves Balance
Additions
Valuation Allowances And Reserves Additions
Deductions
Valuation Allowances And Reserves Deductions
Ending Balance