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DIVESTITURES (Details) kr in Thousands, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2023 USD ($) | Nov. 30, 2022 USD ($) | Nov. 30, 2022 DKK (kr) | Jul. 01, 2023 USD ($) | Dec. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 25, 2021 USD ($) | Nov. 30, 2022 DKK (kr)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Impairment of long-lived assets |  |  |  |  | $ 140,844 |  | $ 27,911 |
Pre-tax gain on sale of engineering and equipment |  |  |  |  | $ 2,994 | $ (33,273) |  |
Valmont SM, Offshore Wind Business [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Operating income |  |  |  |  |  | $ 2,259 | (40,192) |
Net proceeds |  | $ 12,570 | kr 90,000 |  |  |  |  |
Impairment of long-lived assets |  |  |  |  |  |  | $ 27,900 |
Escrow deposit |  | 2,189 |  |  |  |  |  | kr 15,000
Cash and cash equivalents |  | 12,420 |  |  |  |  |  |
Receivables, net |  | 35,407 |  |  |  |  |  |
Inventories |  | 1,144 |  |  |  |  |  |
Contract assets |  | 19,127 |  |  |  |  |  |
Prepaid expenses and other assets |  | 1,852 |  |  |  |  |  |
Net property, plant, and equipment |  | 12,915 |  |  |  |  |  |
Intangible assets |  | 5,579 |  |  |  |  |  |
Other assets |  | 1,103 |  |  |  |  |  |
Total assets |  | 89,547 |  |  |  |  |  |
Accounts payable |  | 23,611 |  |  |  |  |  |
Contract liabilities |  | 34,814 |  |  |  |  |  |
Accrued expenses |  | 4,737 |  |  |  |  |  |
Deferred income taxes |  | 1,375 |  |  |  |  |  |
Total liabilities |  | 64,537 |  |  |  |  |  |
Net assets |  | $ 25,010 |  |  |  |  |  |
Torrent Engineering and Equipment [Member] |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net proceeds | $ 6,369 |  |  |  |  |  |  |
Pre-tax gain on sale of engineering and equipment |  |  |  | $ 2,994 |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Nonoperating Income (Expense) |  |  |  |

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