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Note 8 - Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)

 

Three Months Ended

  

Nine Months Ended

 
  

September 30, 2023

  

September 30, 2022

  

September 30, 2023

  

September 30, 2022

 

Pension Benefits:

                

Interest cost

 $750  $578  $2,249  $1,735 

Expected return on plan assets

  (526)  (751)  (1,579)  (2,254)

Amortization of net actuarial (gains) losses

  (36)  15   (106)  47 

Net periodic pension (benefit) cost

 $188  $(158) $564  $(472)