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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |
Defined benefit pension plan adjustments, Before-Tax Amount | $ 683 | $ 592 | $ 2,049 | $ 1,775
Defined benefit pension plan adjustments, Tax (Expense) Benefit | (191) | (168) | (574) | (504)
Defined benefit pension plan adjustments, Net-of-Tax Amount | (492) | (424) | (1,475) | (1,271)
Foreign currency translation adjustment, Before-Tax Amount | (1,389) | 1,333 | (541) | (1,621)
Foreign currency translation adjustment, Tax (Expense) Benefit | 264 | (231) | 188 | 365
Foreign currency translation adjustment, Net-of-Tax Amount | (1,125) | 1,102 | (353) | (1,256)
Unrealized gain (loss) in fair value of investments, Before-Tax Amount | (581) | (281) | (1,828) | 2,078
Unrealized gain (loss) in fair value of investments, Tax (Expense) Benefit | 133 | 56 | 416 | (455)
Unrealized gain (loss) in fair value of investments, Net-of-Tax Amount | (448) | (225) | (1,412) | 1,623
Total other comprehensive income (loss), Before-Tax Amount | (1,287) | 1,644 | (320) | 2,232
Total other comprehensive income (loss), Tax Benefit (Expense) | 206 | (343) | 30 | (594)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX | (1,081) | 1,301 | (290) | 1,638
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Before-Tax Amount | (447) | 520 | 129 | (646)
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 | (447) | 520 | 129 | (646)
Total other comprehensive income (loss) attributable to Tutor Perini Corporation, Before-Tax Amount | (840) | 1,124 | (449) | 2,878
Total other comprehensive income (loss) attributable to Tutor Perini Corporation, Tax (Expense) Benefit | 206 | (343) | 30 | (594)
Total other comprehensive income (loss) | $ (634) | $ 781 | $ (419) | $ 2,284

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