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Note 2 (Tables)
 3 Months Ended
Dec. 29, 2018
Notes Tables  
Contract with Customer, Asset and Liability [Table Text Block]
    (in thousands)  
       
September 29, 2018
balance		   $
1,999
  
Additions to contract liability    
372
  
Amounts recognized as revenue    
448
  
December 29, 2018
balance:		   $
1,923