Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2016

Postemployment Benefits [Abstract]

Schedule of net periodic benefit expense (income)

The components of net periodic benefit expense (income) 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	2016			2015			2016			2015
Service cost	$	199		$	220		$	597		$	660
Interest cost	284			260			852			780
Expected return on plan assets	(609		)	(635		)	(1,824		)	(1,906		)
Amortization of net loss	172			120			513			360
Amortization of prior service cost	—			6			—			19
Net Periodic Benefit Expense (Income)	$	46		$	(29	)	$	138		$	(87	)