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Retirement Plans and Other Post-Retirement Benefits (Tables)
 6 Months Ended
Jun. 30, 2022
Retirement Benefits [Abstract]  
Schedule of Net Periodic Costs of Pension and Post Retirement Medical Benefit Plans Included in Continuing Operations The following tables provide information with respect to the net periodic costs of our pension and post-retirement medical benefit plans included in continuing operations.
 Three months ended June 30,Six months ended June 30,
In thousands2022202120222021
Pension Benefits    
Service cost$— $— $— $— 
Interest cost179 273 414 523 
Amortization of prior service cost11 12 22 24 
Amortization of actuarial loss164 199 331 398 
Total net periodic benefit expense$354 $484 $767 $945 
 
Other Benefits
Service cost$— $7 $— $14 
Interest cost32 32 65 64 
Amortization of prior service cost (credit)26 (59)52 (117)
Amortization of actuarial loss— 12 — 24 
Total net periodic benefit expense (income)$58 $(8)$117 $(15)