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Retirement Benefits (Tables)
9 Months Ended
Sep. 30, 2023
Postemployment Benefits [Abstract]  
Schedule of net periodic benefit expense (income)
The components of net periodic benefit income related to the non-contributory, defined benefit pension plan were as follows:
 Three Months Ended September 30, Nine Months Ended September 30,
In thousands2023202220232022
Service cost$124 $194 $372 $582 
Interest cost373 263 1,119 789 
Expected return on plan assets(663)(784)(1,989)(2,352)
Amortization of net loss98 102 294 305 
Net Periodic Benefit Income$(68)$(225)$(204)$(676)