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Note H - Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
  

Three Months Ended March 31,

 

In thousands

 

2023

  

2022

 

Interest cost

 $1,260  $1,168 

Expected return on plan assets

  (1,468)  (1,688)

Recognized actuarial loss

  719   860 

Net periodic benefit cost

 $511  $340