Quarterly report [Sections 13 or 15(d)]

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

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SEGMENT INFORMATION - Consolidated Net Sales and Long Lived Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 04, 2026
Mar. 29, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: $ 250,218 $ 249,539
Asia Pacific total    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: 169,349 173,407
Greater China    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: 123,334 118,746
Southeast Asia Pacific    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: 30,663 35,720
North Asia    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: 15,352 18,941
Americas and Europe    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales to external customers: $ 80,869 $ 76,132