Employer Sponsored Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Summary of the Components of Net Periodic Benefit Cost for the Domestic Pension Plan

The following is a summary of the components of net periodic benefit cost, which is recorded primarily within selling, product development and administrative expenses, for the domestic pension plan for the quarters and nine months ended September 30, 2017 and 2016:

	Quarter Ended   September 30,						Nine Months Ended   September 30,
In thousands	2017			2016			2017			2016
Components of net periodic benefit cost
Interest cost	$	514		$	535		$	1,543		$	1,605
Expected return on assets	(594		)	(605		)	(1,782		)	(1,815		)
Amortization of actuarial loss	273			233			819			700
Net periodic benefit cost	$	193		$	163		$	580		$	490