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v3.25.0.1

Disaggregation of Revenues, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 27, 2024 | Dec. 29, 2023 | Dec. 30, 2022
Geographic And Sales [Line Items] |  |  |  |
Total net sales |  | $ 313,901 | $ 322,415 | $ 284,391
Geographic Distribution, Domestic [Member] |  |  |  |
Geographic And Sales [Line Items] |  |  |  |
Total net sales |  | 19,896 | 17,221 | 14,679
Geographic Distribution, Foreign [Member] |  |  |  |
Geographic And Sales [Line Items] |  |  |  |
Total net sales |  | 294,005 | 305,194 | 269,712
Geographic Distribution, Foreign [Member] | China [Member] |  |  |  |
Geographic And Sales [Line Items] |  |  |  |
Total net sales | [1] | 161,321 | 185,554 | 148,167
Geographic Distribution, Foreign [Member] | JAPAN |  |  |  |
Geographic And Sales [Line Items] |  |  |  |
Total net sales |  | 41,836 | 38,472 | 43,093
Geographic Distribution, Foreign [Member] | Other |  |  |  |
Geographic And Sales [Line Items] |  |  |  |
Total net sales | [2] | $ 90,848 | $ 81,168 | $ 78,452
[1] | The China region includes sales into China and Hong Kong.
[2] | No other location individually exceeds 10% of the total net sales.

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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