Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2016

Domestic Retirement Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [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 and six months ended June 30, 2016 and 2015, were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
Service cost	$	20	$	32	$	43	$	65
Interest cost	510		464		1,015		929
Recognized net actuarial loss	413		401		822		802
Net periodic benefit cost	$	943	$	897	$	1,880	$	1,796