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Other Comprehensive Income (Loss) (Schedule Of Changes In AOCI Balances By Component (After-Tax)) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period | $ 1,449,718 |
Balance at the beginning of the period, noncontrolling interests | (7,734) |
Other comprehensive income (loss) before reclassifications | 1,402 | $ (3,577)
Amounts reclassified from AOCI | 325 | 467
Total other comprehensive income (loss) | 1,727 | (3,110)
Other comprehensive income (loss) | 153 | (379)
Balance at the end of the period, noncontrolling interests | (13,814) |
Balance at the end of the period | 1,403,521 |
Defined Benefit Pension Plan |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period | (32,637) | (37,866)
Other comprehensive income (loss) before reclassifications | 0 | 0
Amounts reclassified from AOCI | 301 | 458
Total other comprehensive income (loss) | 301 | 458
Balance at the end of the period | (32,336) | (37,408)
Foreign Currency Translation |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period | (7,241) | (5,787)
Other comprehensive income (loss) before reclassifications | 231 | (9)
Amounts reclassified from AOCI | 0 | 0
Total other comprehensive income (loss) | 231 | (9)
Balance at the end of the period | (7,010) | (5,796)
Unrealized Gain (Loss) in Fair Value of Investments, Net |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period | (7,159) | 18
Other comprehensive income (loss) before reclassifications | 1,171 | (3,568)
Amounts reclassified from AOCI | 24 | 9
Total other comprehensive income (loss) | 1,195 | (3,559)
Balance at the end of the period | (5,964) | (3,541)
Accumulated Other Comprehensive Income (Loss) |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period | (47,037) | (43,635)
Balance at the end of the period | (45,310) | (46,745)
AOCI Attributable to Noncontrolling Interest |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period, noncontrolling interests | (1,730) | 542
Balance at the end of the period, noncontrolling interests | (1,577) | 163
Defined Benefit Pension Plan |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period, noncontrolling interests | 0 | 0
Other comprehensive income (loss) | 0 | 0
Balance at the end of the period, noncontrolling interests | 0 | 0
Foreign Currency Translation |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period, noncontrolling interests | (799) | 542
Other comprehensive income (loss) | 19 | 266
Balance at the end of the period, noncontrolling interests | (780) | 808
Unrealized Gain (Loss) in Fair Value of Investments, Net |  |
Attributable to Tutor Perini Corporation: |  |
Balance at the beginning of the period, noncontrolling interests | (931) | 0
Other comprehensive income (loss) | 134 | (645)
Balance at the end of the period, noncontrolling interests | $ (797) | $ (645)

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