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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 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 | $ (508) | $ (2,699) | 894 | $ (6,276)
Amounts reclassified from AOCI | 339 | 481 | 664 | 948
Total other comprehensive income (loss) | (169) | (2,218) | 1,558 | (5,328)
Other comprehensive income (loss) | 401 | (773) | 554 | (1,152)
Balance at the end of the period, noncontrolling interests | 607 |  | 607 |
Balance at the end of the period | 1,367,594 |  | 1,367,594 |
Defined Benefit Pension Plan |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period | (32,336) | (37,408) | (32,637) | (37,866)
Other comprehensive income (loss) before reclassifications | 0 | 0 | 0 | 0
Amounts reclassified from AOCI | 296 | 457 | 597 | 915
Total other comprehensive income (loss) | 296 | 457 | 597 | 915
Balance at the end of the period | (32,040) | (36,951) | (32,040) | (36,951)
Foreign Currency Translation |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period | (7,010) | (5,796) | (7,241) | (5,787)
Other comprehensive income (loss) before reclassifications | 90 | (772) | 321 | (781)
Amounts reclassified from AOCI | 0 | 0 | 0 | 0
Total other comprehensive income (loss) | 90 | (772) | 321 | (781)
Balance at the end of the period | (6,920) | (6,568) | (6,920) | (6,568)
Unrealized Gain (Loss) in Fair Value of Investments, Net |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period | (5,964) | (3,541) | (7,159) | 18
Other comprehensive income (loss) before reclassifications | (598) | (1,927) | 573 | (5,495)
Amounts reclassified from AOCI | 43 | 24 | 67 | 33
Total other comprehensive income (loss) | (555) | (1,903) | 640 | (5,462)
Balance at the end of the period | (6,519) | (5,444) | (6,519) | (5,444)
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period | (45,310) | (46,745) | (47,037) | (43,635)
Balance at the end of the period | (45,479) | (48,963) | (45,479) | (48,963)
AOCI Attributable to Noncontrolling Interest |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period, noncontrolling interests | (1,577) | 163 | (1,730) | 542
Balance at the end of the period, noncontrolling interests | (1,176) | (610) | (1,176) | (610)
Defined Benefit Pension Plan |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period, noncontrolling interests | 0 | 0 | 0 | 0
Other comprehensive income (loss) | 0 | 0 | 0 | 0
Balance at the end of the period, noncontrolling interests | 0 | 0 | 0 | 0
Foreign Currency Translation |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period, noncontrolling interests | (780) | 808 | (799) | 542
Other comprehensive income (loss) | 438 | (618) | 457 | (352)
Balance at the end of the period, noncontrolling interests | (342) | 190 | (342) | 190
Unrealized Gain (Loss) in Fair Value of Investments, Net |  |  |  |
Attributable to Tutor Perini Corporation: |  |  |  |
Balance at the beginning of the period, noncontrolling interests | (797) | (645) | (931) | 0
Other comprehensive income (loss) | (37) | (155) | 97 | (800)
Balance at the end of the period, noncontrolling interests | $ (834) | $ (800) | $ (834) | $ (800)

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