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Note 8 - Employee Benefit Plans (Tables)
3 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
   
Three Months Ended
 
 
 
January 2,
 
   
2016
 
Interest cost
  $
37
 
Expected return on plan assets
   
(44
)
Recognized net actuarial loss
   
19
 
Net periodic pension cost
  $
12
 
 
 
Three Months Ended
 
 
 
December 31,
 
 
January 2,
 
(In thousands)
 
2016
 
 
2016
 
Service cost
  $
86
    $
66
 
Interest cost
   
85
     
81
 
Recognized net actuarial loss
   
43
     
21
 
Net periodic pension cost
  $
214
    $
168