Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2018

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	2018			2017
Service cost	$	215		$	210
Interest cost	274			284
Expected return on plan assets	(692		)	(630		)
Amortization of net loss	128			169
Net Periodic Benefit Expense	$	(75	)	$	33