Defined Benefit Pension Obligation (Tables)

3 Months Ended

Mar. 31, 2016

Postemployment Benefits [Abstract]

Net Periodic Benefit Cost

The net periodic benefit cost for the three-month periods ended March 31, 2016 and 2015 were as follows:

In thousands	2016			2015
Service cost	$	454		$	448
Interest cost	29			50
Expected return on plan assets	(23		)	(37		)
Amortization of prior service cost	55			77
Net periodic benefit cost	$	515		$	538