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Recent Accounting Pronouncements (Schedule of the Impact for the Adoption of ASU 2014-09) (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jan. 01, 2018 | Dec. 31, 2017
ASSETS |  |  |  |
Accounts receivable | $ 1,236,818 |  |  | $ 1,265,717
Retainage receivable | 530,897 |  | $ 535,939 | 535,939
Costs and estimated earnings in excess of billings | 980,896 |  | 932,758 | 932,758
Other current assets | 132,298 |  |  | 89,316
LIABILITIES |  |  |  |
Accounts payable | 659,290 |  |  | 699,971
Retainage payable | 246,033 |  | 261,820 | 261,820
Billings in excess of cost and estimated earnings | 508,616 |  | 496,654 | 456,869
Accrued expenses and other current liabilities | 118,334 |  |  | 132,438
Deferred income taxes | 106,763 |  |  | 108,504
EQUITY |  |  |  |
Retained earnings | 606,199 |  |  | 622,007
Noncontrolling interests | (14,076) |  |  | (8,495)
STATEMENT OF OPERATIONS |  |  |  |
REVENUE | 1,028,156 | $ 1,117,361 |  |
COST OF OPERATIONS | (961,088) | (1,014,641) |  |
GROSS PROFIT | 67,068 | 102,720 |  |
General and administrative expenses | (67,993) | (65,703) |  |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | (925) | 37,017 |  |
Other income, net | 780 | 417 |  |
Interest expense | (15,065) | (15,564) |  |
INCOME (LOSS) BEFORE INCOME TAXES | (15,210) | 21,870 |  |
Income tax benefit | 4,268 | (8,106) |  |
NET INCOME (LOSS) | (10,942) | 13,764 |  |
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 1,182 |  |  |
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION | (12,124) | $ 13,764 |  |
Accounting Standards Update 606 [Member] |  |  |  |
ASSETS |  |  |  |
Accounts receivable | 1,236,818 |  | 1,265,717 |
Retainage receivable | 530,897 |  | 535,939 |
Costs and estimated earnings in excess of billings | 980,896 |  |  |
Other current assets | 132,298 |  | 122,089 |
LIABILITIES |  |  |  |
Accounts payable | 659,290 |  | 699,971 |
Retainage payable | 246,033 |  | 261,820 |
Billings in excess of cost and estimated earnings | 508,616 |  | 496,654 |
Accrued expenses and other current liabilities | 118,334 |  |  |
Deferred income taxes | 106,763 |  | 106,967 |
EQUITY |  |  |  |
Retained earnings | 606,199 |  | 618,245 |
Noncontrolling interests | (14,076) |  | (10,209) |
STATEMENT OF OPERATIONS |  |  |  |
REVENUE | 1,028,156 |  |  |
COST OF OPERATIONS | (961,088) |  |  |
GROSS PROFIT | 67,068 |  |  |
General and administrative expenses | (67,993) |  |  |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | (925) |  |  |
Other income, net | 780 |  |  |
Interest expense | (15,065) |  |  |
INCOME (LOSS) BEFORE INCOME TAXES | (15,210) |  |  |
Income tax benefit | 4,268 |  |  |
NET INCOME (LOSS) | (10,942) |  |  |
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 1,182 |  |  |
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION | (12,124) |  |  |
Without Adoption Of ASU 606 [Member] |  |  |  |
ASSETS |  |  |  |
Accounts receivable | 1,765,769 |  |  | 1,801,656
Costs and estimated earnings in excess of billings | 982,302 |  |  |
Other current assets | 97,758 |  |  | 89,316
LIABILITIES |  |  |  |
Accounts payable | 905,323 |  |  | 961,791
Billings in excess of cost and estimated earnings | 466,179 |  |  | 456,869
Accrued expenses and other current liabilities | 118,610 |  |  |
Deferred income taxes | 108,135 |  |  | 108,504
EQUITY |  |  |  |
Retained earnings | 610,234 |  |  | 622,007
Noncontrolling interests | (12,402) |  |  | $ (8,495)
STATEMENT OF OPERATIONS |  |  |  |
REVENUE | 1,030,268 |  |  |
COST OF OPERATIONS | (962,855) |  |  |
GROSS PROFIT | 67,413 |  |  |
General and administrative expenses | (67,993) |  |  |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | (580) |  |  |
Other income, net | 780 |  |  |
Interest expense | (15,065) |  |  |
INCOME (LOSS) BEFORE INCOME TAXES | (14,865) |  |  |
Income tax benefit | 4,156 |  |  |
NET INCOME (LOSS) | (10,709) |  |  |
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 1,142 |  |  |
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION | (11,851) |  |  |
Adjustments Due To ASU 606 [Member] | Accounting Standards Update 606 [Member] |  |  |  |
ASSETS |  |  |  |
Accounts receivable | (528,951) |  | (535,939) |
Retainage receivable | 530,897 |  | 535,939 |
Costs and estimated earnings in excess of billings | (1,406) |  |  |
Other current assets | 34,540 |  | 32,773 |
LIABILITIES |  |  |  |
Accounts payable | (246,033) |  | (261,820) |
Retainage payable | 246,033 |  | 261,820 |
Billings in excess of cost and estimated earnings | 42,437 |  | 39,785 |
Accrued expenses and other current liabilities | (276) |  |  |
Deferred income taxes | (1,372) |  | (1,537) |
EQUITY |  |  |  |
Retained earnings | (4,035) |  | (3,762) |
Noncontrolling interests | (1,674) |  | $ (1,714) |
STATEMENT OF OPERATIONS |  |  |  |
REVENUE | (2,112) |  |  |
COST OF OPERATIONS | 1,767 |  |  |
GROSS PROFIT | (345) |  |  |
INCOME (LOSS) FROM CONSTRUCTION OPERATIONS | (345) |  |  |
INCOME (LOSS) BEFORE INCOME TAXES | (345) |  |  |
Income tax benefit | 112 |  |  |
NET INCOME (LOSS) | (233) |  |  |
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS | 40 |  |  |
NET INCOME (LOSS) ATTRIBUTABLE TO TUTOR PERINI CORPORATION | $ (273) |  |  |

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