Employer Sponsored Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [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 ended March 31, 2017 and 2016:

	Quarter Ended   March 31,
In thousands	2017			2016
Components of net periodic benefit cost
Interest cost	$	514		$	535
Expected return on assets	(594		)	(605		)
Amortization of actuarial loss	273			233
Net periodic benefit cost	$	193		$	163