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Inventories, Net
 9 Months Ended
Sep. 29, 2018
Inventory Disclosure [Abstract]  
Inventories, Net
INVENTORIES, NET

Inventories are summarized as follows:
 
September 29,
2018
 
December 30,
2017
Raw materials
$
41,148

 
$
39,264

Work-in-process
23,862

 
24,454

Finished goods
67,929

 
65,172

Supplies and other
170

 
143

LIFO reserve
(14,897
)
 
(15,376
)
Inventories, net
$
118,212

 
$
113,657