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Note 15 - Accumulated Other Comprehensive Loss (Tables)
3 Months Ended
Apr. 03, 2016
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
April 3,
 
 
December 31,
 
 
 
2016
 
 
2015
 
   
(Unaudited)
       
Foreign currency translation adjustments
  $ (9,584 )   $ (9,554 )
Employee benefit related adjustments – U.S.
    (16,177 )     (16,177 )
Employee benefit related adjustments – Mexico
    (29 )     (29 )
Accumulated other comprehensive loss
  $ (25,790 )   $ (25,760 )