Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2017

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 and nine month periods ended September 30 were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30
In thousands	2017			2016			2017			2016
Service cost	$	210		$	199		$	630		$	597
Interest cost	284			284			852			852
Expected return on plan assets	(630		)	(609		)	(1,890		)	(1,824		)
Amortization of net loss	169			172			507			513
Net Periodic Benefit Expense	$	33		$	46		$	99		$	138