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Inventories (Tables)
12 Months Ended
Jan. 01, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consisted of the following (in thousands):
At Fiscal Year End20212020
Components and parts$23,668 $25,016 
Work-in-process7,913 
Finished goods323,180 262,367 
Inventories$346,850 $295,296