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Contingencies and Commitments (Details) (USD $) |  |  | 9 Months Ended |  |  |  | 1 Months Ended |  |  |  | 9 Months Ended |  |  | 1 Months Ended | 9 Months Ended | 1 Months Ended |  | 9 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended
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Sep. 30, 2012 | Dec. 31, 2011 | Sep. 30, 2012 Tutor-Saliba-Perini Joint Venture vs. Los Angeles MTA Matter [Member] | Sep. 30, 2012 Tutor Saliba Perini Joint Venture vs Los Angeles MTA Matter - Tunnel Handrail Verdict [Member] | Sep. 30, 2012 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter [Member] | Feb. 29, 2012 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter [Member] | Oct. 31, 2011 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter [Member] | Dec. 31, 2010 Perini/Kiewit/Cashman Joint Venture-Central Artery/Tunnel Project Matter [Member] | Feb. 29, 2012 Long Island Expressway/Cross Island Parkway Matter [Member] | Mar. 31, 2011 Long Island Expressway/Cross Island Parkway Matter [Member] | May 31, 2012 Long Island Expressway/Cross Island Parkway Matter [Member] | Sep. 30, 2011 Long Island Expressway/Cross Island Parkway Matter [Member] | Feb. 28, 2006 Long Island Expressway/Cross Island Parkway Matter [Member] | Sep. 30, 2012 Gaylord Hotel and Convention Center Matter [Member] | Sep. 30, 2012 Fontainebleau Matter [Member] | May 31, 2010 Fontainebleau Matter [Member] | Jun. 30, 2009 Fontainebleau Matter [Member] | Oct. 31, 2012 MGM CityCenter Matter [Member] | Dec. 31, 2011 MGM CityCenter Matter [Member] | May 31, 2010 MGM CityCenter Matter [Member] | Sep. 30, 2012 MGM CityCenter Matter [Member] acre | Jun. 30, 2003 Honeywell Street/Queens Boulevard Bridges Matter [Member] | Mar. 31, 2010 Honeywell Street/Queens Boulevard Bridges Matter [Member] | Sep. 30, 2012 Westgate Planet Hollywood Matter [Member] | Apr. 30, 2010 Brightwater Matter [Member] | Sep. 30, 2012 Brightwater Matter [Member] | Dec. 31, 2006 Brightwater Matter [Member] | Jun. 30, 2012 156 Stations Matter [Member] | Dec. 31, 2003 156 Stations Matter [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement on judgment |  |  | $ 3,000,000 | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,900,000 |
Ownership percentage in joint venture (in hundredths) |  |  |  |  | 56.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |
Period over which series of claims instituted |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated costs of owner-directed changes to work |  |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of construction experts in Disputes Review Board |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of Disputes Review Board panels |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total value of DRB awards issued in PKC's favor |  |  |  |  | 128,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total value of binding DRB awards issued in PKC's favor |  |  |  |  | 110,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of Third DRB awards previously awarded to PKC which have been vacated by Court |  |  |  |  |  |  |  | 56,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of Fourth DRB awards that MHD moved to vacate |  |  |  |  |  |  |  | 13,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of Fourth DRB awards previously awarded to PKC which have been vacated by Court |  |  |  |  |  |  | 8,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest award payment received by PKC from MHD |  |  |  |  |  | 22,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated value of project completed in Feb. 2006 |  |  |  |  |  |  |  |  |  |  |  |  | 130,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of claim filed |  |  |  |  |  |  |  |  | 53,800,000 | 53,800,000 |  |  |  | 40,000,000 |  |  |  |  |  |  |  | 8,750,000 |  |  | (74,000,000) | (132,000,000) |  |  |
Amount receivable as per final agreement |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of counterclaim filed |  |  |  |  |  |  |  |  |  |  | 151,000,000 |  |  |  |  |  |  |  |  |  |  |  | 74,600,000 | 45,000,000 | 75,000,000 |  |  |  |
Business interruption costs assigned to PTJV |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of rooms in hotel/casino complex |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total outstanding liens on property, including subcontractors' liens |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44,000,000 |  |  |  | 191,300,000 |  |  | 23,200,000 |  |  |  |  |
Amount of court order in favor of plaintiff |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amount set aside from approved sale for distribution to satisfy creditor claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated sustainable lien amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 350,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of contracts in project |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19 |  |  |  |  |  |  |  |
Area allotted to the project (in acres) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66 |  |  |  |  |  |  |  |
Number of CityCenter buildings included in motion to be demolished |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Estimated cost to repair facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,000,000 |  |  |  |  |  |  |  |  |
Estimated cost to repair facility due to design defects |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000,000 |  |  |  |  |  |  |  |  |
Number of cases in legal matter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Number of separate juries in legal matter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Amount settled at discount with MGM |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 301,000,000 |  |  |  |  |  |  |  |
Contracts receivable recorded by entity | 1,249,787,000 | 1,275,031,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 192,000,000 |  |  |  |  |  |  |  |
Number of Company's subsidiaries paid partial amounts due for contract receivables |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Partial collection of amounts owed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000,000 |  |  |  |  |  |  |  |  |  |
Pass-through subcontractor billings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48,000,000 |  |  | 12,000,000 |  |  |  |  |
Value of mechanic's lien release bond |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,300,000 |  |  |  |  |
Value of cross complaint filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 51,000,000 |  |  |  |  |
Number of subcontractor claims settled before trial |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Number of stations for the New York City Transit Authority |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 156
Maximum number of days awarded claim must be paid (in days) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45 days |

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- Definition Represents the amount of Fourth DRB awards that MHD moved to vacate on the same arbitrary basis that the Third Disputes Review Board's awards were vacated. + References No definition available. + Details
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- Definition Represents amount of proceeds set aside from the sale of the property to Icahn Nevada Gaming Acquisition, LLC which is available to satisfy creditor lien claims based on seniority. + References No definition available. + Details
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- Definition Represents the amount of Fourth DRB awards to PKC that were vacated by the Suffolk County Superior Court's grant of MHD's motion for summary judgment. The Court granted the motion on the grounds that the arbitrators do not have authority to decide whether particular claims are subject to the arbitration provision of the contract. + References No definition available. + Details
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- Definition Represents amount received by PKC for interest associated with the Second DRB panel's awards to PKC. + References No definition available. + Details
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- Definition Maximum number of days the awarded claim must be paid + References No definition available. + Details
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- Definition Number of buildings in the CityCenter project in Las Vegas, Nevada which MGM MIRAGE Design Group (MGM) included in the motion to demolish to demolish. + References No definition available. + Details
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- Definition Number of cases included in legal matter. + References No definition available. + Details
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- Definition Number of construction experts chosen by the parties in Disputes Review Board, to which the claims have been presented. + References No definition available. + Details
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- Definition Represents number of rooms on hospitality project. + References No definition available. + Details
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- Definition Number of stations for the New York City transit authority which assist in the installation of new public address and customer information screens system. + References No definition available. + Details
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- Definition Number of the Company's subsidiaries paid partial amounts due for contract receivables for amounts due and owed to the Company and its subcontractors. + References No definition available. + Details
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- Definition Percentage represents the Company's ownership percentage in the joint venture. + References No definition available. + Details
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- Definition Partial collection of the amounts owed to one of the entity's subsidiaries. + References No definition available. + Details
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- Definition Represents amount of pass through subcontract billings included in the Company's Accounts Receivable and Accounts Payable. + References No definition available. + Details
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- Definition This line item represents the period over which series of claims instituted. + References No definition available. + Details
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- Definition Represents the amount of Third DRB awards to PKC that were vacated by the Suffolk County Superior Court's grant of MHD's motion for summary judgment. The Court granted the motion on the grounds that the arbitrators do not have authority to decide whether particular claims are subject to the arbitration provision of the contract. + References No definition available. + Details
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- Definition Total number of Disputes Review Board panels to which the claims have been presented. + References No definition available. + Details
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- Definition Total amount of outstanding liens on the property, including subcontractors' liens. + References No definition available. + Details
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- Definition Represents the total value of DRB awards issued in PKC's favor. + References No definition available. + Details
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- Definition Represents the total value of binding DRB awards issued in PKC's favor. + References No definition available. + Details
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- Definition The value (monetary amount) of the counterclaim filed in the legal matter. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition Value of mechanic's lien release bond. + References No definition available. + Details
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- Definition This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant