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Inventories
9 Months Ended
Sep. 28, 2013
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES

Inventories are summarized as follows:
 
September 28,
2013
 
December 29,
2012
Raw materials
$
30,830

 
$
23,002

Work-in-process
18,739

 
13,786

Finished goods
54,445

 
49,251

Supplies, repair parts and other
567

 
470

LIFO reserve
(14,111
)
 
(14,264
)
Total inventories
$
90,470

 
$
72,245