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INVENTORIES (Tables)
9 Months Ended
Sep. 29, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories consist of the following:

 

  September 29, 2018 December 31, 2017
Inventory at FIFO    
Finished products $ 13,613 $ 22,558
Materials and work in process 60,585 65,034
Gross inventories 74,198 87,592
Less:  LIFO reserve (45,811) (45,180)
Less:  excess and obsolescence reserve (2,195) (2,698)
Net inventories $ 26,192  $ 39,714