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EARNINGS (LOSS) PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Basic and Diluted Earnings (Loss) Per Share | The following table provides a reconciliation of the earnings (loss) and average share amounts used to compute both basic and diluted earnings (loss) per share:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Thirteen weeks ended | ​ | Thirty-nine weeks ended
​ | ​ | September 30, | ​ | September 24, | ​ | September 30, | ​ | September 24,
​ | ​ | 2023 |  | 2022 |  | 2023 |  | 2022
Net earnings (loss) attributable to Valmont Industries, Inc. | ​ | $ | (49,028) | ​ | $ | 72,112 | ​ | $ | 114,888 | ​ | $ | 210,531
Weighted average shares outstanding (000's): | ​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ |  | ​
Basic | ​ | ​ | 20,951 | ​ | ​ | 21,332 | ​ | ​ | 21,083 | ​ | ​ | 21,308
Dilutive effect of various stock awards | ​ | ​ | — | ​ | ​ | 273 | ​ | ​ | 207 | ​ | ​ | 238
Diluted | ​ | ​ | 20,951 | ​ | ​ | 21,605 | ​ | ​ | 21,290 | ​ | ​ | 21,546
Earnings (loss) per share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | (2.34) | ​ | $ | 3.38 | ​ | $ | 5.45 | ​ | $ | 9.88
Dilutive effect of various stock awards | ​ | ​ | — | ​ | ​ | (0.04) | ​ | ​ | (0.05) | ​ | ​ | (0.11)
Diluted | ​ | $ | (2.34) | ​ | $ | 3.34 | ​ | $ | 5.40 | ​ | $ | 9.77
​ In the third quarter of fiscal 2023, the Company reported a net loss. In periods in which the Company recognizes a net loss, the Company excludes the impact of outstanding stock awards from the diluted loss per share calculation, as its inclusion would have an anti-dilutive effect.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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