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Note 3 - Inventories (Tables)
6 Months Ended
Jul. 01, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
July
1
, 201
8
   
December 31
, 201
7
 
   
(In thousands)
 
Finished Goods
  $
137,724
    $
115,512
 
Work in Process
   
11,617
     
13,022
 
Raw Materials
   
49,786
     
49,401
 
    $
199,127
    $
177,935