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Inventories, Net
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories, Net
INVENTORIES, NET

Inventories are summarized as follows:
 
March 31,
2018
 
December 30,
2017
Raw materials
$
40,884

 
$
39,264

Work-in-process
22,510

 
24,454

Finished goods
67,060

 
65,172

Supplies and other
155

 
143

LIFO reserve
(13,621
)
 
(15,376
)
Inventories, net
$
116,988

 
$
113,657