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Non-operating income
6 Months Ended
Jul. 03, 2021
Nonoperating Income (Expense) [Abstract]  
Non-operating income
19. Non-operating (loss) income
Non-operating (loss) income consists of the following (in thousands):
Three Months EndedSix Months Ended
July 3,
2021
June 27,
2020
July 3,
2021
June 27,
2020
Interest income$218 $1,478 $435 $4,323 
Interest expense(88)(83)(172)(167)
Realized and unrealized foreign currency (losses) gains(50)11 (920)599 
Other — (1)— (4)
Total
$80 $1,405 $(657)$4,751