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Note C - Warranty (Tables)
 9 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   
For the Quarter Ended
    
For the Three Quarters Ended
  
   
March 31, 2017
    
March 25, 2016
    
March 31, 2017
    
March 25, 2016
  
Reserve balance, beginning of period
   $
2,542
    $
4,049
    $
3,607
    $
5,245
 
Current period expense and adjustments
    
(189
 )    
153
     
54
     
252
 
Payments or credits to customers
    
(456
 )    
(386
 )    
(1,724
 )    
(1,648
 )
Translation
    
5
     
26
     
(35
 )    
(7
 )
Reserve balance, end of period
   $
1,902
    $
3,842
    $
1,902
    $
3,842