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Note 9 - Employee Benefit Plans (Tables)
3 Months Ended
Dec. 28, 2024
Supplemental Employee Retirement Plan [Member]  
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
   

Three Months Ended

 
   

December 28,

   

December 30,

 

(In thousands)

 

2024

   

2023

 

Interest cost

  $ 151     $ 147  

Service cost

    69       63  

Net periodic pension cost

  $ 220     $ 210