Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2015

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 selling, general and administrative expenses, for the three and six months ended June 30, 2015 and 2014, were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Service cost	$	32	$	40	$	65	$	75
Interest cost	464		482		929		965
Recognized net actuarial loss	401		202		802		406
Net periodic benefit cost	$	897	$	724	$	1,796	$	1,446