Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | $ 27,476 | $ 44,745 | $ (50,108) | $ 27,963 |
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Before-Tax | (611) | 365 | (20) | (3,974) |
Other comprehensive income (loss) attributable to Fluor Corporation, Before-Tax | 28,087 | 44,380 | (50,088) | 31,937 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | (10,000) | (16,290) | 18,570 | (13,034) |
Other comprehensive income (loss) attributable to Fluor Corporation, Tax Benefit (Expense) | (10,000) | (16,290) | 18,570 | (13,034) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | 17,476 | 28,455 | (31,538) | 14,929 |
Less: Other comprehensive income (loss) attributable to noncontrolling interests, Net-of-Tax | (611) | 365 | (20) | (3,974) |
Other comprehensive income (loss) attributable to Fluor Corporation, Net-of-Tax | 18,087 | 28,090 | (31,518) | 18,903 |
Foreign Currency Translation, including noncontrolling interests | | | | |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | 21,082 | 21,359 | (57,189) | 3,559 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | (8,197) | (7,921) | 21,350 | (2,850) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | 12,885 | 13,438 | (35,839) | 709 |
Ownership Share of Equity Method Investees' Other Comprehensive Income (Loss) | | | | |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | 1,838 | 19,176 | (4,164) | 18,232 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | (185) | (6,833) | 1,336 | (7,887) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | 1,653 | 12,343 | (2,828) | 10,345 |
Defined Benefit Pension and Postretirement Plan adjustments, including noncontrolling interests | | | | |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | 4,283 | 2,415 | 8,584 | 5,051 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | (1,606) | (906) | (3,219) | (1,894) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | 2,677 | 1,509 | 5,365 | 3,157 |
Unrealized Gain on Derivative Contracts, including noncontrolling interests | | | | |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | 648 | 1,426 | 2,062 | 781 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | (152) | (492) | (672) | (276) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | 496 | 934 | 1,390 | 505 |
Unrealized Gain (Loss) on Available-for-Sale Securities, including noncontrolling interests | | | | |
Other comprehensive income (loss), Before-Tax Amount: | | | | |
Total other comprehensive income (loss), Before-Tax | (375) | 369 | 599 | 340 |
Other comprehensive income (loss), Tax Benefit (Expense): | | | | |
Total other comprehensive income (loss), Tax Benefit (Expense) | 140 | (138) | (225) | (127) |
Other comprehensive income (loss), Net-of-Tax Amount: | | | | |
Total other comprehensive income (loss), Net-of-Tax | $ (235) | $ 231 | $ 374 | $ 213 |