Document and Entity Information Statement [Table] Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract] Contracts Revenue REVENUE Revenue Contract Revenue Cost COST OF OPERATIONS Gross Profit GROSS PROFIT General and Administrative Expense General and administrative expenses Operating Income (Loss) Income from construction operations INCOME FROM CONSTRUCTION OPERATIONS Nonoperating Income (Expense) Other income (expense), net Other (Expense) Income, net Interest Expense Interest expense Interest Expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest INCOME BEFORE INCOME TAXES Income Tax Expense (Benefit) Provision for income taxes Benefit (Provision) for Income Taxes Income tax provision Net Income (Loss) Attributable to Parent Net income (loss) Net income NET INCOME NET INCOME Earnings Per Share, Basic Net income per share: Basic BASIC EARNINGS PER COMMON SHARE (in dollars per share) Earnings Per Share, Diluted Net income per share: Diluted DILUTED EARNINGS PER COMMON SHARE (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] WEIGHTED AVERAGE COMMON SHARES OUTSTANDING: Weighted Average Number of Shares Outstanding, Basic BASIC (in shares) Weighted-average common shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted DILUTED (in shares) Weighted-average common shares outstanding - diluted CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other Comprehensive Income: OTHER COMPREHENSIVE (LOSS) INCOME, NET OF TAX: Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Defined benefit pension plan adjustments Defined benefit pension plan adjustments, Net-of-Tax Amount Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation adjustment Foreign currency translation adjustment, Net-of-Tax Amount Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Change in fair value of investments Unrealized gain (loss) in fair value of investments, Net-of-Tax Amount Unrealized (loss) gain in fair value of investments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Change in fair value of interest rate swap Unrealized gain (loss) in fair value of interest rate swap, Net-of-Tax Amount Unrealized (loss) gain in fair value of interest rate swap Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Net other comprehensive income (loss) Total other comprehensive (loss) income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent TOTAL COMPREHENSIVE INCOME CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract] CONDENSED CONSOLIDATING BALANCE SHEET Assets [Abstract] ASSETS Assets, Current [Abstract] CURRENT ASSETS: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of year Cash and cash equivalents Cash and Cash Equivalents Restricted Cash and Cash Equivalents, Current Restricted Cash Restricted cash Receivables, Net, Current Contract receivables Accounts Receivable Accounts receivable, including retainage of $488,043 and $484,255 Costs in Excess of Billings Costs and Estimated Earnings in Excess of Billings Total costs and estimated earnings in excess of billings Costs and estimated earnings in excess of billings Deferred Tax Assets, Net of Valuation Allowance, Current Current deferred tax assets Deferred Income Taxes Deferred income taxes Other Assets, Current Other Current Assets Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and Equipment, net PROPERTY AND EQUIPMENT (net of accumulated depreciation of $265,195 and $254,477) Other Assets, Noncurrent [Abstract] OTHER ASSETS: Goodwill GOODWILL Intangible Assets, Net (Excluding Goodwill) INTANGIBLE ASSETS, NET Intangible Assets, net Other Assets, Noncurrent OTHER ASSETS Assets TOTAL ASSETS Total Assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] CURRENT LIABILITIES: Long-term Debt, Current Maturities Less - current maturities Current Maturities of Long-term Debt Current maturities of long-term debt Accounts Payable, Current Accounts Payable Accounts payable, including retainage of $204,386 and $204,767 Billings in Excess of Cost, Current Billings in Excess of Costs and Estimated Earnings Billings in excess of costs and estimated earnings Accrued Liabilities, Current Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt, net LONG-TERM DEBT, less current maturities (net of unamortized discount and debt issuance cost of $10,948 and $6,697) Long-term Debt, less current maturities Deferred Tax Liabilities, Gross, Noncurrent Deferred Income Taxes DEFERRED INCOME TAXES Other Liabilities, Noncurrent Other Long-term Liabilities OTHER LONG-TERM LIABILITIES Liabilities Total liabilities Commitments and Contingencies Contingencies and Commitments CONTINGENCIES AND COMMITMENTS (NOTE 6) Stockholders' Equity Attributable to Parent [Abstract] STOCKHOLDERS' EQUITY: Preferred Stock, Value, Issued Preferred stock-- authorized 1,000,000 shares ($1 par value), none issued Common Stock, Value, Issued Common stock - authorized 75,000,000 shares ($1 par value), issued and outstanding 49,072,710 shares Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Balance at the end of the quarter Balance at the beginning of the quarter Stockholders' Equity TOTAL STOCKHOLERS' EQUITY Liabilities and Equity TOTAL LIABILITIES AND STOCKHOLERS' EQUITY Contract Receivable Retainage Accounts receivable, retainage Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Contract Payable Retainage Contract Payable Retainage Accounts payable, retainage Amount of unamortized debt discount (premium) and debt issuance costs. Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Unamortized Discount and Issuance Cost Unamortized discount and debt issuance cost Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Issued Preferred stock, shares issued Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash Flows from Operating Activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash from operating activities: Adjustments to reconcile net income to net cash from operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Share-based Compensation Stock-based compensation expense Increase (Decrease) in Deferred Income Taxes Deferred income taxes Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments Loss on sale of investments (Gain) loss on sale of investments Gain (Loss) on Disposition of Property Plant Equipment (Gain) loss on sale of property and equipment Increase (Decrease) in Other Noncurrent Liabilities Other long-term liabilities Other Noncash Income (Expense) Other non-cash items Increase (Decrease) in Other Operating Assets and Liabilities, Net Changes in other components of working capital Net Cash Provided by (Used in) Operating Activities, Continuing Operations NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Investing Activities: Payments to Acquire Property, Plant, and Equipment Acquisition of property and equipment excluding financed purchases Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property and equipment Increase (Decrease) in Restricted Cash Change in restricted cash Net Cash Provided by (Used in) Investing Activities, Continuing Operations NET CASH USED IN INVESTING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: Proceeds from Issuance of Debt Proceeds from debt Repayments of Debt Repayment of debt The cash inflow associated with the amount received from holders exercising their stock options, net of the cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. This item inherently excludes any excess tax benefit which the company may have realized and reported separately. Issuance of Common Stock and Effect of Cashless Exercise Issuance of common stock and effect of cashless exercise Issuance of common stock and effect of cashless exercise Payments of Financing Costs Debt issuance costs Net Cash Provided by (Used in) Financing Activities, Continuing Operations NET CASH PROVIDED BY FINANCING ACTIVITIES Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Basis of Presentation [Abstract] Basis of Accounting [Text Block] Basis of Presentation Recent Accounting Pronouncements [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Earnings per Share [Abstract] Earnings Per Share [Text Block] Earnings per Share Costs and estimated earnings in excess of billings [Abstract] Long-term Contracts or Programs Disclosure [Text Block] Costs and estimated earnings in excess of billings Financial Commitments [Abstract] Disclosure of information about the reporting entity's debt and lease arrangements. Financial Commitment [Text Block] Financial Commitments Contingencies and Commitments [Abstract] Commitments and Contingencies Disclosure [Text Block] Contingencies and Commitments Share-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Compensation Other Comprehensive Income (Loss) [Abstract] Comprehensive Income (Loss) Note [Text Block] Other Comprehensive Income (Loss) Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Business Segments [Abstract] Segment Reporting Disclosure [Text Block] Business Segments Employee Pension Plans [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Employee Pension Plans Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Separate Financial Information of Subsidiary Guarantors of Indebtedness [Abstract] Condensed Financial Statements [Text Block] Separate Financial Information of Subsidiary Guarantors of Indebtedness Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Calculations of the Basic and Diluted EPS Tabular disclosure of components of costs and estimated earnings in excess of billings related to the entity's contracts and joint venture contracts. Costs and Estimated Earnings in Excess of Billings [Table Text Block] Costs and estimated earnings in excess of billings Schedule of Long-term Debt Instruments [Table Text Block] Long-term Debt Reconciliation Of Outstanding Debt Balance To Reported Debt Balance [Table Text Block] Reconciliation Of Outstanding Debt Balance To Reported Debt Balance [Table Text Block] Reconciliation Of Outstanding Debt Balance To Reported Debt Balance Comprehensive Income (Loss) [Table Text Block] Schedule Of Tax Effects Of The Components Of Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule Of Changes In AOCI Balances By Component (After-Tax) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Schedule Of Items Reclassified Out Of AOCI And The Corresponding Location And Impact On The Condensed Consolidated Statements Of Operations Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Segment Reporting Information, by Segment [Table Text Block] Reportable Segments Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] Reconciliation of Segment Results to Consolidated Income Before Income Taxes Reconciliation of Assets from Segment to Consolidated [Table Text Block] Schedule of Assets by Segment Schedule of Net Benefit Costs [Table Text Block] Components of Net Periodic Benefit Cost Condensed Income Statement [Table Text Block] Condensed Consolidating Statement of Operations Condensed Balance Sheet [Table Text Block] Condensed Consolidating Balance Sheet Condensed Cash Flow Statement [Table Text Block] Condensed Consolidating Statement of Cash Flows Deferred Finance Costs, Net Unamortized debt issuance costs Deferred Tax Liabilities, Net, Current Current deferred tax liabilities Weighted Average Number Diluted Shares Outstanding Adjustment Effect of diluted stock options and unvested restricted stock Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive securities not included above Contracts Receivable, Claims and Uncertain Amounts Claims Unapproved Change Orders, Amount Unapproved change orders Unbilled Contracts Receivable Other unbilled costs and profits Line of Credit Facility [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Represents claims by King County as owner, against Vinci Construction Grands Projects/Parsons RCI/Frontier-Kemper, a joint venture in which the reporting entity's wholly owned subsidiary (Frontier-Kemper is a 20% owned minority partner. Brightwater Matter [Member] Brightwater Matter [Member] Five Star Electric [Member] Five Star Electric [Member] Five Star Electric [Member] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Credit Facility [Member] Credit Facility [Member] Original Facility [Member] Revolving Credit Facility [Member] Original Revolver [Member] Standby Letters Of Credit [Member] Letters Of Credit [Member] Revolving Credit Facility C [Member] Revolving Credit Facility C [Member] Revolver [Member] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member[ Maximum [Member] Maximum [Member] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Senior Notes [Member] Senior Unsecured Notes [Member] Term Loan A [Member] Term Loan [Member] Original Term Loan [Member] Loans Payable [Member] Term Loan [Member] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Scenario Plan [Member] Scenario Plan [Member] Domain member used to indicate figures that are unfavorable adjustments during a period or as of a point in time. Scenario Unfavorable Adjustment [Member] Scenario Unfavorable Adjustment [Member] Scenario 1 [Member] Scenario1 [Member] Amendment Terms Based On Leverage Ratio Greater Than 3.5 to 1.0 [Member] Scenario 2 [Member] Scenario2 [Member] Amendment Terms Based On Leverage Ratio Greater Than 4.0 to 1.0 [Member] Line of Credit Facility [Line Items] Amended Credit Agreement [Abstract] Loss Contingency, Loss in Period Pre-tax charge Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Debt Instrument, Face Amount Face amount The maximum consolidated leverage ratio, as defined in the line of credit agreement, which the reporting entity must maintain in order to be in compliance with the terms of the line of credit facility. Line of Credit Compliance Maximum Consolidated Leverage Ratio Leverage ratio, Required Maximum adjustment to the Applicable Rate. Maximum Adjustment to Applicable Rate Maximum adjustment to Applicable Rate (as a percent) Line Of Credit Increase, Removed By Amendment Line Of Credit Increase, Removed By Amendment Revolver optional increase removed by amendment The minimum fixed charge ratio, as defined in the line of credit agreement, which the reporting entity must maintain in order to be in compliance with the terms of the line of credit facility. Line of Credit Compliance Minimum Fixed Charge Ratio Fixed charge coverage ratio, Required Percentage Of Foreign Restricted Subsidiary Stock Pledged As Collateral Percentage Of Foreign Restricted Subsidiary Stock Pledged As Collateral Percentage of foreign restricted subsidiary stock pledged as collateral Long-term Debt Loan outstanding Total debt Letters of Credit Outstanding, Amount Letters of credit outstanding Line of Credit Facility, Remaining Borrowing Capacity Available borrowing capacity Schedule of Long-term Debt Instruments [Table] Notes Payable Other Payables [Member] Equipment Financing, Mortgages And Acquisition-related Notes [Member] Indebtedness not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer. Other Indebtedness [Member] Other Indebtedness Debt Instrument [Line Items] Debt Instrument, Imputed Interest Rate Debt Instrument, Imputed Interest Rate Imputed interest rate Long-term Debt, Gross Outstanding Long Term Debt Loss Contingencies [Table] Represents a claim filed by the reporting entity related to the reconstruction of the Long Island Expressway Cross Island Parkway Matter. Long Island Expressway Cross Island Parkway Matter [Member] Long Island Expressway/Cross Island Parkway Matter [Member] Represents liens filed by Desert Mechanical Inc. and Fisk, wholly owned subsidiaries of the reporting entity, who acted as subcontractors on the Fontainebleau Project in Las Vegas. Fontainebleau Matter [Member] Fontainebleau Matter [Member] Represents claims by the reporting entity against the City of New York in connection with a contract for reconstruction of the Honeywell Street /Queens Boulevard Bridges. Honeywell Street Queens Boulevard Bridges Matter [Member] Honeywell Street/Queens Boulevard Bridges Matter [Member] Represents claims by Tutor-Saliba Corporation, a wholly owned subsidiary of the reporting entity against Westgate Planet Hollywood Las Vegas LLC for unresolved owner change orders and other claims. Westgate Planet Hollywood Matter [Member] Westgate Planet Hollywood Matter [Member] U.S. Department of Commerce, National Oceanic and Atmospheric Administration Matter [Member] U.s. Department Of Commerce National Oceanic And Atmospheric Administration Matter [Member] U.S. Department of Commerce, National Oceanic and Atmospheric Administration Matter [Member] Loss Contingencies [Line Items] Proceeds from Legal Settlements Settlement receipt Litigation Settlement, Amount Total awards Percentage represents the Company's ownership percentage in the joint venture. Ownership Percentage in Joint Venture Ownership percentage in joint venture Represents damages awarded to the party that filed a cross-complaint, which claims are anticipated to be paid by the owner controlled insurance program. Damages Awarded on Cross Complaint Expected Insurance Recovery Damages awarded which were anticipated to be paid including interest Represents the estimated value of the project. Estimated Value of Project Estimated value of project completed in Feb. 2006 Loss Contingency, Damages Sought, Value Value of claim filed Represents the amount payable to the Company, formally closing out the project. Amount Receivable as Per Final Agreement Amount receivable as per final agreement Amount of cross-complaint filed alleging non-conforming and defective work primarily related to alleged defects, misallocated costs, and liquidated damages by the third party. Value of Cross Complaint Filed Value of cross complaint filed Represents number of rooms on hospitality project. Number of Rooms Number of rooms in hotel/casino complex The value (monetary amount) of the counterclaim filed in the legal matter. Value of Counterclaim Filed Value of counterclaim filed Amount of the court order in favor of the plaintiff. Amount of Court Order in Favor of Plaintiff Amount of court order in favor of plaintiff Total amount of outstanding liens on the property, including subcontractors' liens. Total Outstanding Liens on Property Including Subcontractors Liens Total outstanding liens on property, including subcontractors' liens Represents amount of proceeds set aside from the sale of the property to a third party which is available to satisfy creditor lien claims based on seniority. Amount Set Aside from Approved Sale for Distribution to Satisfy Creditor Claims Amount set aside from approved sale for distribution to satisfy creditor claims The total estimated sustainable lien amount. Estimated Sustainable Lien Amount Estimated sustainable lien amount Value of mechanic's lien release bond posted by the owner of the project. Value of Mechanics Lien Release Bond Value of mechanic's lien release bond Value of Supersedeas Bond Value of Supersedeas Bond Value of supersedeas bond Total Value of Security Total Value of Security Total value of security Loss Contingency, Pending Claims, Number Number of claims Area of Real Estate Property Square footage of facility Litigation Settlement Amount Denied Litigation Settlement Amount Denied Total awards denied Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Restricted Stock Units R S U [Member] Restricted Stock Units [Member] Employee Stock Option [Member] Stock Options [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Units 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 per share prices Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Stock options awarded Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted-average exercise prices Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent Defined benefit pension plan adjustments, Before-Tax Amount Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent Defined benefit pension plan adjustments, Tax (Expense) Benefit Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Foreign currency translation adjustment, Before-Tax Amount Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Foreign currency translation adjustment, Tax (Expense) Benefit Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Unrealized gain (loss) in fair value of investments, Before-Tax Amount Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Unrealized gain (loss) in fair value of investments, Tax (Expense) Benefit Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent Unrealized gain (loss) in fair value of interest rate swap, Before-Tax Amount Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent Unrealized gain (loss) in fair value of interest rate swap, Tax (Expense) Benefit Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Total other comprehensive income (loss), Before-Tax Amount Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Total other comprehensive income (loss), Tax (Expense) Benefit Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] OCI, before Reclassifications, Net of Tax, Attributable to Parent Other comprehensive income (loss) before reclassifications Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Amounts reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Defined Benefit Pension Plan Adjustments Defined Benefit Pension Plan Adjustments Defined benefit pension plan adjustments Effective Income Tax Rate Reconciliation, Percent Effective income tax rate Fair Value, by Balance Sheet Grouping [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair value assets and liabilities measured on recurring basis [Line Items] Debt Instrument, Fair Value Disclosure [Abstract] Long-term Debt Fair Value, Assets, Level 1 to Level 2 Transfers, Description Transfers between Levels 1 and 2, description Notes Payable, Fair Value Disclosure Debt Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair Value Measured On A Recurring Basis [Member] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Quoted Prices In Active Markets (Level 1) [Member] Fair Value Inputs Level2 [Member] Significant Other Observable Inputs (Level 2) [Member] Assets, Fair Value Disclosure [Abstract] Assets: Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item includes investments in lieu of retainage which are classified as Account Receivables and are comprised of U.S. Treasury Notes and other municipal bonds. Investments in Lieu of Retainage Fair Value Disclosure Investments in lieu of retainage Assets, Fair Value Disclosure Total assets Liabilities, Fair Value Disclosure [Abstract] Liabilities: Derivative Liability Interest rate swap contract Financial and Nonfinancial Liabilities, Fair Value Disclosure Total liabilities Schedule of Segment Reporting Information, by Segment [Table] Five Star Electric Subcontract [Member] Five Star Electric Subcontract [Member] Five Star Electric Subcontract [Member] Segments [Axis] Segment [Domain] Segments [Domain] The Building segment has significant experience providing services to a number of specialized building markets for private and public works clients, including the hospitality and gaming, transportation, healthcare, municipal offices, sports and entertainment, education, correctional facilities, biotech, pharmaceutical, industrial and high-tech markets. Building Group [Member] Building [Member] The Civil segment specializes in public works construction and the repair, replacement and reconstruction of infrastructure, including highways, bridges, mass transit systems and water and wastewater treatment facilities. Civil [Member] Civil [Member] The Specialty Contractors segment specializes in plumbing, HVAC, electrical, mechanical, and pneumatically placed concrete for a full range of civil, building and management services construction projects in the industrial, commercial, hospitality and gaming, and transportation end markets, among others. Specialty Contractors [Member] Specialty Contractors [Member] Domain member used to indicate figures that are favorable adjustments during a period or as of a point in time. Scenario Favorable Adjustment [Member] Scenario Favorable Adjustment [Member] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent Company [Member] Tutor Perini Corporation [Member] Segment Reporting Information [Line Items] Business Segments [Line items] Number of Reportable Segments Number of reportable segments Number of Projects Number of Projects Number of projects Reporting Segments [Member] Reporting Segments [Member] Reportable Segments [Member] Segment Reporting Information, Profit (Loss) [Abstract] Reportable segment information Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Summary of net periodic benefit cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Expected Return on Plan Assets Expected return on plan assets Defined Benefit Plan, Amortization of Gains (Losses) Amortization of net loss Defined Benefit Plan, Service Cost Other Defined Benefit Plan, Net Periodic Benefit Cost Net periodic benefit cost Defined Benefit Plan, Contributions by Employer Company contribution Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year Expected contributions remainder of current fiscal year Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Domain] Related Party [Domain] Board Of Directors Chairman [Member] Chairman and Chief Executive Officer [Member] Refers to a joint venture partner of the Company whose vice chairman is a related party to the Company as he is a director of the Company. O And G Industries Inc [Member] O&G [Member] Alliant Insurance Services Inc [Member] Alliant Insurance Services Inc [Member] Alliant Insurance Services, Inc. [Member] Related Party Transaction [Line Items] Related Party Transactions Related Party Transaction, Due from (to) Related Party [Abstract] Operating Leases, Rent Expense Lease expense Number of Company's shares of common stock held by a related party joint venture partner. Common Stock Number of Shares Held by Related Party Joint Venture Partner Number of Company's shares of common stock held by related party joint venture partner (in shares) Related Party Transaction, Expenses from Transactions with Related Party Expenses incurred with related party General Insurance Expense Insurance expense Due to Related Parties Owed to related party Condensed Income Statement [Table] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Non Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation Eliminations [Member] Eliminations [Member] Condensed Income Statements, Captions [Line Items] CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS Income (Loss) from Subsidiaries, before Tax Equity in earnings of subsidiaries Equity in Earnings of Subsidiaries Parent company's share of other comprehensive income of subsidiaries. Other Comprehensive Income of Subsidiaries Other Comprehensive Income of Subsidiaries Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] CONDENSED CONSOLIDATING BALANCE SHEET The Company's percentage of ownership of its guarantor subsidiaries. Guarantors Ownership Percentage Ownership interest in guarantors Aggregate amount of receivables from intercompany transactions. Intercompany Notes and Receivables Intercompany Notes and Receivables Assets, Noncurrent [Abstract] Other Assets: Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investment in Subsidiaries Aggregate amount of notes and advances payable from intercompany transactions. Intercompany Notes and Advances Payable Intercompany Notes and Advances Payable Condensed Cash Flow Statement [Table] Condensed Cash Flow Statements, Captions [Line Items] CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS Increase Decrease In Intercompany Advances, Investing Activities Increase Decrease In Intercompany Advances, Investing Activities Increase (decrease) in intercompany advances The increase (decrease) in intercompany advances owed to an entity or by an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership. Increase (Decrease) in Intercompany Advances Increase (decrease) in intercompany advances Restatement Adjustment [Member] Reclassification [Member] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Noncurrent Liabilities [Member] Long-Term Debt, Less Current Maturities [Member] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Defined Benefit Plans Adjustment [Member] Defined Benefit Pension Plan [Member] Accumulated Translation Adjustment [Member] Foreign Currency Translation [Member] Accumulated Net Unrealized Investment Gain Loss [Member] Unrealized Gain (Loss) in Fair Value of Investments, net [Member] Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges [Member] Unrealized Gain (Loss) in Fair Value of Interest Rate Swap, net [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive (Loss) Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification Out Of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification Out Of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Measurement Basis [Axis] Portion At Fair Value Fair Value Disclosure [Member] Portion at Fair Value Measurement [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Fair Value [Member] Carrying Reported Amount Fair Value Disclosure [Member] Carrying Value [Member] Corporate [Member] Corporate [Member] Operating Segments [Member] Operating segment [Member] Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Intersubsegment Eliminations [Member] Elimination Of Intersegment Revenues [Member]