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GOODWILL AND INTANGIBLE ASSETS - Carrying Values of Trade Names - (Details) - USD ($) $ in Thousands | Sep. 29, 2018 | Dec. 30, 2017
--- | --- | ---
Newmark |  |
Non-amortized intangible assets |  |
Carrying value of trade names | $ 11,111 | $ 11,111
Valmont SM |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 8,283 | 9,973
Webforge |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 9,105 | 9,432
Convert Italia S.p.A |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 8,703 | 0
Ingal EPS/Ingal Civil Products |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 7,424 | 7,690
Shakespeare |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 4,000 | 4,000
Other |  |
Non-amortized intangible assets |  |
Carrying value of trade names | 21,128 | 22,647
Trade Names |  |
Non-amortized intangible assets |  |
Carrying value of trade names | $ 69,754 | $ 64,853

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