CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Net sales	$ 1,050,548	$ 1,039,737	$ 2,019,862	$ 2,017,565
Total cost of sales	729,381	719,455	1,407,593	1,391,067
Gross profit	321,167	320,282	612,269	626,498
Selling, general, and administrative expenses	191,670	172,974	354,458	347,637
Impairment of long-lived assets	91,337		91,337
Realignment charges	8,884		8,884
Operating income	29,276	147,308	157,590	278,861
Other income (expenses):
Interest expense	(10,543)	(15,846)	(20,658)	(32,067)
Interest income	1,568	1,499	4,962	3,278
Gain on deferred compensation investments	2,384	525	1,543	1,956
Other	(3,675)	(1,250)	(6,405)	(1,355)
Total other expenses	(10,266)	(15,072)	(20,558)	(28,188)
Earnings before income taxes and equity in loss of nonconsolidated subsidiaries	19,010	132,236	137,032	250,673
Income tax expense (benefit):
Current	35,275	40,961	55,635	60,605
Deferred	(12,995)	(9,894)	(2,556)	450
Total income tax expense	22,280	31,067	53,079	61,055
Earnings (loss) before equity in loss of nonconsolidated subsidiaries	(3,270)	101,169	83,953	189,618
Equity in loss of nonconsolidated subsidiaries	(21)	(19)	(581)	(39)
Net earnings (loss)	(3,291)	101,150	83,372	189,579
Earnings attributable to redeemable noncontrolling interests	(729)	(1,434)	(131)	(2,041)
Net earnings (loss) attributable to Valmont Industries, Inc.	$ (4,020)	$ 99,716	$ 83,241	$ 187,538
Net earnings (loss) attributable to Valmont Industries, Inc. per share:
Basic	$ (1.53)	$ 4.94	$ 2.86	$ 9.29
Diluted	$ (1.53)	$ 4.91	$ 2.84	$ 9.24
Product sales
Net sales	$ 943,371	$ 928,479	$ 1,817,860	$ 1,803,157
Total cost of sales	669,029	651,731	1,290,072	1,256,946
Service sales
Net sales	107,177	111,258	202,002	214,408
Total cost of sales	$ 60,352	$ 67,724	$ 117,521	$ 134,121