Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2020

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 month periods ended March 31 were as follows:

	Three Months Ended March 31,
In thousands	2020			2019
Service cost	$	188		$	174
Interest cost	270			303
Expected return on plan assets	(687		)	(637		)
Amortization of net loss	169			212
Net Periodic Benefit Expense	$	(60	)	$	52