Quarterly report pursuant to Section 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 6 Months Ended
Jun. 29, 2024
Jul. 01, 2023
Jun. 29, 2024
Jul. 01, 2023
Dec. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 212,869 $ 238,202 $ 440,669 $ 486,562  
Asia Pacific total          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 170,625 193,615 355,726 393,329  
Greater China          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 115,513 128,749 243,128 252,569  
Southeast Asia Pacific          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 35,402 39,337 71,467 85,623  
North Asia          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 19,710 25,529 41,131 55,137  
Americas and Europe          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 42,244 44,587 84,943 93,233  
China          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 105,115 117,882 220,869 227,915  
Long-lived assets: 73,531   73,531   $ 77,767
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 21,640 23,681 43,804 49,666  
Long-lived assets: 92,465   92,465   $ 93,181
South Korea          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 19,298 $ 24,906 $ 40,262 $ 53,792