Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Schedule of 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, 2019 and 2018, were as follows:

	Three Months Ended   March 31,
	2019		2018
Service cost	$	374	$	19
Interest cost	600		419
Recognized net actuarial loss	260		522
Net periodic benefit cost	$	1,234	$	960