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Inventory (Details) - USD ($)
$ in Thousands
Oct. 01, 2021
Jan. 01, 2021
Inventory [Line Items]    
Raw materials $ 10,317 $ 7,773
Work in process 28,016 20,610
Finished goods 11,707 7,291
Total 50,040 35,674
Current portion included in inventory    
Inventory [Line Items]    
Total 28,240 20,973
Long-term portion included in other long-term assets    
Inventory [Line Items]    
Total $ 21,800 $ 14,701