CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Net sales	$ 894,629	$ 688,808	$ 1,669,515	$ 1,363,008
Total cost of sales	664,982	504,871	1,235,314	992,822
Gross profit	229,647	183,937	434,201	370,186
Selling, general and administrative expenses	147,022	123,859	274,365	243,213
Impairment of goodwill and trade names	0	16,638	0	16,638
Operating income	82,625	43,440	159,836	110,335
Other income (expenses):
Interest expense	(10,436)	(10,098)	(20,435)	(20,112)
Interest income	186	458	497	1,501
Gain on investments (unrealized)	1,177	2,510	1,068	202
Other	4,204	(694)	7,653	1,116
Total other income (expenses)	(4,869)	(7,824)	(11,217)	(17,293)
Earnings before income taxes	77,756	35,616	148,619	93,042
Income tax expense:
Current	25,413	21,645	33,960	27,954
Deferred	(10,673)	(9,043)	(3,718)	(866)
Total income tax expense (benefit)	14,740	12,602	30,242	27,088
Earnings before equity in earnings of nonconsolidated subsidiaries	63,016	23,014	118,377	65,954
Equity in loss of nonconsolidated subsidiaries	(359)	(260)	(719)	(479)
Net earnings	62,657	22,754	117,658	65,475
Less: Loss (earnings) attributable to noncontrolling interests	(547)	(147)	(534)	61
Net earnings attributable to Valmont Industries, Inc.	$ 62,110	$ 22,607	$ 117,124	$ 65,536
Earnings per share:
Basic (in dollars per share)	$ 2.93	$ 1.06	$ 5.53	$ 3.06
Diluted (in dollars per share)	$ 2.89	$ 1.06	$ 5.46	$ 3.05
Product sales
Net sales	$ 805,801	$ 617,587	$ 1,500,766	$ 1,216,496
Total cost of sales	608,101	458,995	1,126,735	897,783
Services sales
Net sales	88,828	71,221	168,749	146,512
Total cost of sales	$ 56,881	$ 45,876	$ 108,579	$ 95,039