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Retirement Benefits (Tables)
6 Months Ended
Jun. 30, 2022
Postemployment Benefits [Abstract]  
Schedule of net periodic benefit expense (income)
The components of net periodic benefit expense related to the non-contributory, defined benefit pension plan for the three and six month periods ended June 30 were as follows:
 Three Months Ended June 30, Six Months Ended June 30,
In thousands2022202120222021
Service cost$194 $220 $388 $440 
Interest cost263 236 526 472 
Expected return on plan assets(784)(704)(1,568)(1,408)
Amortization of net loss101 314 203 628 
Net Periodic Benefit (Income) Expense$(226)$66 $(451)$132