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Non-operating income (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 02, 2022
Apr. 03, 2021
Nonoperating Income (Expense) [Abstract]    
Interest income $ 293 $ 217
Interest expense (102) (84)
Realized and unrealized foreign currency losses (799) (870)
Non-operating loss $ (608) $ (737)