v3.26.3
NET EARNINGS PER SHARE - Reconciliation of earnings and share amounts to compute basic and diluted earnings per share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2026
Sep. 27, 2025
Jun. 28, 2025
Sep. 26, 2026
Sep. 27, 2025
NET EARNINGS PER SHARE          
Net earnings attributable to Valmont Industries, Inc. $ 121,053 $ 99,031   $ 349,004 $ 182,272
Change in redemption value of redeemable noncontrolling interests     $ (26,243)   (26,243)
Net earnings attributable to Valmont Industries, Inc. including change in redemption value of redeemable noncontrolling interests $ 121,053 $ 99,031   $ 349,004 $ 156,029
Weighted average shares outstanding (in thousands):          
Basic (in shares) 19,232,000 19,736,000   19,357,000 19,864,000
Dilutive effect of various stock awards (in shares) 159,000 140,000   159,000 137,000
Diluted (in shares) 19,391,000 19,876,000   19,516,000 20,001,000
Net earnings attributable to Valmont Industries, Inc. per share:          
Basic (in dollars per share) $ 6.29 $ 5.02   $ 18.03 $ 7.85
Dilutive effect of various stock awards (in dollars per share) (0.05) (0.04)   (0.15) (0.05)
Diluted (in dollars per share) $ 6.24 $ 4.98   $ 17.88 $ 7.8
Outstanding stock options excluded from the computation of diluted earnings per share (in shares) 0     0