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GOODWILL AND INTANGIBLE ASSETS - Non-Amortized Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 25, 2021
--- | --- | ---
Newmark |  |
Non-amortized intangible assets |  |
Carrying value of trade names | $ 11,111 | $ 11,111
Webforge |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 7,107 | 7,877
Valmont SM |  |
Non-amortized intangible assets |  |
Carrying value of trade names |  | 6,082
Ingal EPS/Ingal Civil Products |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 6,891 | 7,637
Shakespeare |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 4,000 | 4,000
Walpar |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 3,500 | 3,500
Conceal Fab |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 5,000 |
Convert |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 8,024 | 8,479
Other |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 14,152 | 14,721
Trade Name |  |
Non-amortized intangible assets |  |
Carrying value of trade names | $ 59,785 | $ 63,407

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