Quarterly report [Sections 13 or 15(d)]

SEGMENT INFORMATION - Schedule of Consolidated Net Sales and Long Lived Assets (Details)

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SEGMENT INFORMATION - Schedule of Consolidated Net Sales and Long Lived Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 03, 2026
Sep. 27, 2025
Oct. 03, 2026
Sep. 27, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: $ 205,885 $ 213,670 $ 679,376 $ 699,057
Asia Pacific total        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: 137,988 139,439 464,484 476,070
Greater China        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: 93,882 92,571 331,830 324,488
Southeast Asia Pacific        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: 29,885 29,178 89,267 97,785
North Asia        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: 14,221 17,690 43,387 53,797
Americas and Europe        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net sales to external customers: $ 67,897 $ 74,231 $ 214,892 $ 222,987