Retirement Plans and Other Post-Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2021

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 September 30				Nine months ended September 30
In thousands	2021		2020		2021		2020
Pension Benefits
Service cost	$	—	$	61	$	—	$	153
Interest cost	266		318		789		919
Amortization of prior service cost	12		12		36		35
Amortization of actuarial loss	199		164		597		485
Total net periodic benefit expense	$	477	$	555	$	1,422	$	1,592
Other Benefits
Service cost	$	8	$	8	$	22	$	22
Interest cost	31		46		95		138
Amortization of prior service credit	(58)		(115)		(175)		(347)
Amortization of actuarial loss (gains)	11		(209)		35		(626)
Total net periodic benefit income	$	(8)	$	(270)	$	(23)	$	(813)