CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Net sales	$ 4,174,598	$ 4,345,250	$ 3,501,575
Total cost of sales	2,938,564	3,219,026	2,617,686
Gross profit	1,236,034	1,126,224	883,889
Selling, general, and administrative expenses	768,423	692,975	590,608
Impairment of goodwill and intangible assets	140,844		6,496
Realignment charges	35,210
Operating income	291,557	433,249	286,785
Other income (expenses):
Interest expense	(56,808)	(47,534)	(42,612)
Interest income	6,230	2,015	1,192
Gain (loss) on investments - unrealized	3,564	(3,374)	1,920
Gain (loss) on divestitures	2,994	(33,273)
Other	(11,085)	12,805	12,798
Total other income (expenses)	(55,105)	(69,361)	(26,702)
Earnings before income taxes and equity in loss of nonconsolidated subsidiaries	236,452	363,888	260,083
Income tax expense (benefit):
Current	108,770	109,912	61,343
Deferred	(18,649)	(1,225)	71
Total income tax expense	90,121	108,687	61,414
Earnings before equity in loss of nonconsolidated subsidiaries	146,331	255,201	198,669
Equity in loss of nonconsolidated subsidiaries	(1,419)	(950)	(944)
Net earnings	144,912	254,251	197,725
Loss (earnings) attributable to redeemable noncontrolling interests	5,937	(3,388)	(2,095)
Net earnings attributable to Valmont Industries, Inc.	$ 150,849	$ 250,863	$ 195,630
Earnings per share:
Basic	$ 6.85	$ 11.77	$ 9.23
Diluted	$ 6.78	$ 11.62	$ 9.10
Product sales
Net sales	$ 3,772,835	$ 3,955,320	$ 3,159,605
Total cost of sales	2,672,740	2,958,208	2,395,630
Service sales
Net sales	401,763	389,930	341,970
Total cost of sales	$ 265,824	$ 260,818	$ 222,056