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GOODWILL AND INTANGIBLE ASSETS - Carrying Values of Trade Names - (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 26, 2022 | Dec. 25, 2021
Newmark |  |
Non-amortized intangible assets |  |
Carrying value of trade names | $ 11,111,000 | $ 11,111,000
Convert Italia S.p.A |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 8,238,000 | 8,479,000
Webforge |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 7,747,000 | 7,877,000
Ingal EPS/Ingal Civil Products |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 7,511,000 | 7,637,000
Valmont SM |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 5,904,000 | 6,082,000
Shakespeare |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 4,000,000 | 4,000,000
Walpar |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 3,500,000 | 3,500,000
Other |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 14,729,000 | 14,721,000
Trade Names |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 62,740,000 | $ 63,407,000
Impairment indefinite-lived intangible assets | $ 0 |

X
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