Retirement Plans and Other Post-Retirement Benefits

6 Months Ended

Jun. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Retirement Plans and Other Post-Retirement Benefits

12. RETIREMENT PLANS AND OTHER POST-RETIREMENT BENEFITS

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 thousands	2021			2020			2021			2020
Pension Benefits
Service cost	$	—		$	48		$	—		$	92
Interest cost		273			300			523			601
Amortization of prior service cost		12			11			24			23
Amortization of actuarial loss		199			161			398			321
Total net periodic benefit expense	$	484		$	520		$	945		$	1,037
Other Benefits
Service cost	$	7		$	7		$	14		$	14
Interest cost		32			46			64			92
Amortization of prior service credit		(59	)		(116	)		(117	)		(232	)
Amortization of actuarial loss		12			(208	)		24			(417	)
Total net periodic benefit income	$	(8	)	$	(271	)	$	(15	)	$	(543	)