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Note 3 - Inventories (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September
30
, 201
8
   
December 31
, 201
7
 
   
(In thousands)
 
Finished Goods
  $
197,869
    $
115,512
 
Work in Process
   
15,838
     
13,022
 
Raw Materials
   
65,108
     
49,401
 
Total Inventory
  $
278,815
    $
177,935