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Note 18 - Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Oct. 01, 2017
Notes Tables  
Schedule of Stockholders Equity [Table Text Block]
   
October 1
,
   
December 31
,
 
   
201
7
   
201
6
 
   
(Unaudited
)
   
 
 
 
Foreign currency translation adjustment
s
  $
(10,201
)   $
(11,334
)
Employee benefit related adjustments
– U.S
.
   
(15,445
)    
(15,445
)
Employee benefit related adjustments
– Mexico
   
181
     
181
 
Accumulated other comprehensive loss
  $
(25,465
)   $
(26,598
)