Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2017

Domestic Retirement Plans

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost for Domestic Retirement Plan

The components of net periodic benefit cost, which are included in distribution, selling and administrative expenses, for the three months ended March 31, 2017 and 2016, were as follows:

	Three Months Ended   March 31,
	2017		2016
Service cost	$	12	$	23
Interest cost	474		505
Recognized net actuarial loss	462		409
Net periodic benefit cost	$	948	$	937