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Inventories, Net
 6 Months Ended
Jul. 01, 2017
Inventory Disclosure [Abstract]  
Inventories, Net
INVENTORIES, NET

Inventories are summarized as follows:
 
July 1,
2017
 
December 31,
2016
Raw materials
$
39,107

 
$
34,261

Work-in-process
21,580

 
16,739

Finished goods
62,954

 
57,053

Supplies and other
135

 
120

LIFO reserve
(11,785
)
 
(10,936
)
Inventories, net
$
111,991

 
$
97,237