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Inventories (Tables)
6 Months Ended
Jun. 27, 2020
Inventories [Abstract]  
Schedule Of Inventories

June 27,

December 28,

2020

2019

Raw materials

$

18,619

$

15,879

Work in progress

8,420

12,111

Finished goods

42,240

40,915

$

69,279

$

68,905