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Note 3 - Inventories (Tables)
3 Months Ended
Apr. 01, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
April
1, 2018
   
December 31
, 201
7
 
   
(In thousands)
 
Finished Goods
  $
134,673
    $
115,512
 
Work in Process
   
11,800
     
13,022
 
Raw Materials
   
50,942
     
49,401
 
Inventories, net   $
197,415
    $
177,935