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Note 7 - Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)

 

Three Months Ended

  

Nine Months Ended

 
  

September 30, 2024

  

September 30, 2023

  

September 30, 2024

  

September 30, 2023

 

Pension Benefits:

                

Interest cost

 $629  $750  $1,889  $2,249 

Expected return on plan assets

  (444)  (526)  (1,334)  (1,579)

Amortization of net actuarial gains

  (30)  (36)  (91)  (106)

Net periodic pension cost

 $155  $188  $464  $564