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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014
Statement of Comprehensive Income [Abstract] |  |  |
Net earnings | $ 178,391 | $ 45,333 | $ 189,318
Foreign currency translation adjustments: |  |  |
Unrealized translation gains (losses) | (58,315) | (96,694) | (82,275)
Gain/(loss) on hedging activities: |  |  |
Unrealized gain on net investment hedge, net of tax of $2,646 | 4,226 | 0 | 0
Amortization cost included in interest expense | 74 | 74 | 594
Realized (gain) loss included in net earnings | 0 | (3,130) | 983
Unrealized gain (loss) on cash flow hedge | 0 | 2,855 | 4,837
Derivative adjustment | 4,300 | (201) | 6,414
Actuarial gain (loss) in defined benefit pension plan, net of tax expense (benefit) of ($10,732) in 2015, ($3,450) in 2014, and ($10,143) in 2013 | (24,141) | (40,274) | (13,709)
Other comprehensive income (loss) | (78,156) | (137,169) | (89,570)
Comprehensive income (loss) | 100,235 | (91,836) | 99,748
Comprehensive loss (income) attributable to noncontrolling interests | (6,144) | (832) | (2,520)
Comprehensive income (loss) attributable to Valmont Industries, Inc. | $ 94,091 | $ (92,668) | $ 97,228

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