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Note L - Restructuring of Operations (Tables)
 6 Months Ended
Dec. 27, 2019
Notes Tables  
Restructuring and Related Costs [Table Text Block]
Accrued restructuring liability, June 30, 2019
   $
-
  
Additions related to workforce reduction    
1,184
  
Additions related to program termination
    
3,185
  
Payments, adjustments and write-offs during the year
    
(2,710
 )
Accrued restructuring liability, December 27, 2019
   $
1,659