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Goodwill - (Tables)
 12 Months Ended
Dec. 28, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Goodwill
Changes in goodwill were as follows (in thousands):
 
December 28,
2019
 
December 29,
2018
Goodwill, beginning of period
$
23,297

 
$
20,617

Adjustments to goodwill from finalization of purchase price allocation
(651
)
 
3,402

Foreign currency translation adjustment
(296
)
 
(722
)
Goodwill, end of period
$
22,350

 
$
23,297