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Other Comprehensive Income (Loss) (Schedule Of Components Of Other Comprehensive Income (Loss) And Related Tax Effects) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |
Defined benefit pension plan adjustments, Before-Tax Amount | $ 683 | $ 592 | $ 1,366 | $ 1,183
Defined benefit pension plan adjustments, Tax (Expense) Benefit | (192) | (168) | (383) | (336)
Defined benefit pension plan adjustments, Net-of-Tax Amount | (491) | (424) | (983) | (847)
Foreign currency translation adjustment, Before-Tax Amount | 446 | 1,973 | 848 | (2,954)
Foreign currency translation adjustment, Tax (Expense) Benefit | (46) | (318) | (76) | 596
Foreign currency translation adjustment, Net-of-Tax Amount | 400 | 1,655 | 772 | (2,358)
Unrealized gain (loss) in fair value of investments, Before-Tax Amount | 303 | 1,602 | (1,247) | 2,359
Unrealized gain (loss) in fair value of investments, Tax (Expense) Benefit | (84) | (296) | 283 | (511)
Unrealized gain (loss) in fair value of investments, Net-of-Tax Amount | 219 | 1,306 | (964) | 1,848
Total other comprehensive income (loss), Before-Tax Amount | 1,432 | 4,167 | 967 | 588
Total other comprehensive income (loss), Tax Benefit (Expense) | (322) | (782) | (176) | (251)
TOTAL OTHER COMPREHENSIVE INCOME, NET OF TAX | 1,110 | 3,385 | 791 | 337
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Before-Tax Amount | 280 | 854 | 576 | (1,166)
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Tax (Expense) Benefit | 0 | 0 | 0 | 0
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Net-of-Tax Amount | 280 | 854 | 576 | (1,166)
Total other comprehensive income (loss) attributable to Tutor Perini Corporation, Before-Tax Amount | 1,152 | 3,313 | 391 | 1,754
Total other comprehensive income (loss) attributable to Tutor Perini Corporation, Tax (Expense) Benefit | (322) | (782) | (176) | (251)
Total other comprehensive income | $ 830 | $ 2,531 | $ 215 | $ 1,503

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