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Inventories, Net
 12 Months Ended
Dec. 29, 2018
Inventory Disclosure [Abstract]  
Inventories, Net
INVENTORIES, NET

Inventories are summarized as follows:
 
2018
 
2017
Raw materials
$
36,875

 
$
39,264

Work-in-process
20,274

 
24,454

Finished goods
67,085

 
65,172

Supplies and other
190

 
143

LIFO reserve
(19,229
)
 
(15,376
)
Inventories, net
$
105,195

 
$
113,657



Reduction of inventory quantities in 2018 resulted in liquidations of LIFO inventories carried at prevailing costs established in prior years and increased cost of sales by $168 in 2018.