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Separate Financial Information of Subsidiary Guarantors of Indebtedness, Condensed Consolidating Statements of Operations and Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |  |
Revenues | $ 1,099,393 | $ 1,166,410 | $ 2,997,273 | $ 2,601,557
Cost of Operations | 983,930 | 1,046,055 | 2,708,590 | 2,331,529
Gross Profit | 115,463 | 120,355 | 288,683 | 270,028
General and Administrative Expenses | 60,787 | 58,319 | 194,644 | 152,444
Goodwill and Intangible Asset Impairment | 0 | 0 | 376,574 | 0
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | 54,676 | 62,036 | (282,535) | 117,584
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Other Income (Expense), net | 545 | 5,863 | (681) | 6,648
Interest Expense | (11,039) | (11,566) | (32,724) | (25,973)
Income (Loss) before Income Taxes | 44,182 | 56,333 | (315,940) | 98,259
Benefit (Provision) for Income Taxes | (1,591) | (20,856) | 8,905 | (36,159)
NET INCOME (LOSS) | 42,591 | 35,477 | (307,035) | 62,100
Other Comprehensive Income: |  |  |  |
Other Comprehensive Income of Subsidiaries | 0 | 0 | 0 | 0
Tax adjustment on minimum pension liability | (841) | 0 | (841) | 0
Foreign currency translation | 362 | (1,279) | 419 | (1,190)
Change in fair value of investments | 1 | 595 | 208 | 595
Change in fair value of interest rate swap (net of tax of $756) | (177) | 0 | (1,196) | 0
Realized loss on sale of investments recorded in Net (Loss) Income | 0 | 0 | 2,005 | 0
Total Other Comprehensive Income (Loss) | (655) | (684) | 595 | (595)
Total Comprehensive Income (Loss) | 41,936 | 34,793 | (306,440) | 61,505
Tutor Perini Corporation [Member] |  |  |  |
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |  |
Revenues | 113,068 | 72,632 | 276,633 | 225,619
Cost of Operations | 97,225 | 63,235 | 242,954 | 191,888
Gross Profit | 15,843 | 9,397 | 33,679 | 33,731
General and Administrative Expenses | 17,840 | 14,892 | 53,579 | 45,456
Goodwill and Intangible Asset Impairment |  |  | 0 |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | (1,997) | (5,495) | (19,900) | (11,725)
Equity in earnings of subsidiaries | 49,135 | 42,116 | (273,177) | 80,459
Other Income (Expense), net | 45 | 5,536 | (1,484) | 6,639
Interest Expense | (10,133) | (10,634) | (29,817) | (23,963)
Income (Loss) before Income Taxes | 37,050 | 31,523 | (324,378) | 51,410
Benefit (Provision) for Income Taxes | 5,541 | 3,954 | 17,343 | 10,690
NET INCOME (LOSS) | 42,591 | 35,477 | (307,035) | 62,100
Other Comprehensive Income: |  |  |  |
Other Comprehensive Income of Subsidiaries | 363 | (684) | 627 | (595)
Tax adjustment on minimum pension liability | (841) |  | (841) |
Foreign currency translation | 0 | 0 | 0 | 0
Change in fair value of investments | 0 | 0 | 0 | 0
Change in fair value of interest rate swap (net of tax of $756) | (177) |  | (1,196) |
Realized loss on sale of investments recorded in Net (Loss) Income |  |  | 2,005 |
Total Other Comprehensive Income (Loss) | (655) | (684) | 595 | (595)
Total Comprehensive Income (Loss) | 41,936 | 34,793 | (306,440) | 61,505
Guarantor Subsidiaries [Member] |  |  |  |
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |  |
Revenues | 996,809 | 1,197,802 | 2,764,764 | 2,520,839
Cost of Operations | 900,634 | 1,091,167 | 2,521,009 | 2,294,167
Gross Profit | 96,175 | 106,635 | 243,755 | 226,672
General and Administrative Expenses | 42,417 | 42,993 | 139,465 | 105,801
Goodwill and Intangible Asset Impairment |  |  | 376,574 |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | 53,758 | 63,642 | (272,284) | 120,871
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Other Income (Expense), net | 264 | 323 | 119 | (14)
Interest Expense | (906) | (932) | (2,907) | (2,010)
Income (Loss) before Income Taxes | 53,116 | 63,033 | (275,072) | 118,847
Benefit (Provision) for Income Taxes | (5,732) | (23,363) | (4,201) | (43,735)
NET INCOME (LOSS) | 47,384 | 39,670 | (279,273) | 75,112
Other Comprehensive Income: |  |  |  |
Other Comprehensive Income of Subsidiaries | 0 | 0 | 0 | 0
Tax adjustment on minimum pension liability | 0 |  | 0 |
Foreign currency translation | 362 | (1,279) | 419 | (1,190)
Change in fair value of investments | 1 | 595 | 208 | 595
Change in fair value of interest rate swap (net of tax of $756) | 0 |  | 0 |
Realized loss on sale of investments recorded in Net (Loss) Income |  |  | 0 |
Total Other Comprehensive Income (Loss) | 363 | (684) | 627 | (595)
Total Comprehensive Income (Loss) | 47,747 | 38,986 | (278,646) | 74,517
Non-Guarantor Subsidiaries [Member] |  |  |  |
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Cost of Operations | (3,445) | (4,323) | (11,249) | (9,625)
Gross Profit | 3,445 | 4,323 | 11,249 | 9,625
General and Administrative Expenses | 530 | 434 | 1,600 | 1,187
Goodwill and Intangible Asset Impairment |  |  | 0 |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | 2,915 | 3,889 | 9,649 | 8,438
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Other Income (Expense), net | 236 | 4 | 684 | 23
Interest Expense | 0 | 0 | 0 | 0
Income (Loss) before Income Taxes | 3,151 | 3,893 | 10,333 | 8,461
Benefit (Provision) for Income Taxes | (1,400) | (1,447) | (4,237) | (3,114)
NET INCOME (LOSS) | 1,751 | 2,446 | 6,096 | 5,347
Other Comprehensive Income: |  |  |  |
Other Comprehensive Income of Subsidiaries | 0 | 0 | 0 | 0
Tax adjustment on minimum pension liability | 0 |  | 0 |
Foreign currency translation | 0 | 0 | 0 | 0
Change in fair value of investments | 0 | 0 | 0 | 0
Change in fair value of interest rate swap (net of tax of $756) | 0 |  | 0 |
Realized loss on sale of investments recorded in Net (Loss) Income |  |  | 0 |
Total Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0
Total Comprehensive Income (Loss) | 1,751 | 2,446 | 6,096 | 5,347
Eliminations [Member] |  |  |  |
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract] |  |  |  |
Revenues | (10,484) | (104,024) | (44,124) | (144,901)
Cost of Operations | (10,484) | (104,024) | (44,124) | (144,901)
Gross Profit | 0 | 0 | 0 | 0
General and Administrative Expenses | 0 | 0 | 0 | 0
Goodwill and Intangible Asset Impairment |  |  | 0 |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | 0 | 0 | 0 | 0
Equity in earnings of subsidiaries | (49,135) | (42,116) | 273,177 | (80,459)
Other Income (Expense), net | 0 | 0 | 0 | 0
Interest Expense | 0 | 0 | 0 | 0
Income (Loss) before Income Taxes | (49,135) | (42,116) | 273,177 | (80,459)
Benefit (Provision) for Income Taxes | 0 | 0 | 0 | 0
NET INCOME (LOSS) | (49,135) | (42,116) | 273,177 | (80,459)
Other Comprehensive Income: |  |  |  |
Other Comprehensive Income of Subsidiaries | (363) | 684 | (627) | 595
Tax adjustment on minimum pension liability | 0 |  | 0 |
Foreign currency translation | 0 | 0 | 0 | 0
Change in fair value of investments | 0 | 0 | 0 | 0
Change in fair value of interest rate swap (net of tax of $756) | 0 |  | 0 |
Realized loss on sale of investments recorded in Net (Loss) Income |  |  | 0 |
Total Other Comprehensive Income (Loss) | (363) | 684 | (627) | 595
Total Comprehensive Income (Loss) | $ (49,498) | $ (41,432) | $ 272,550 | $ (79,864)

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