Retirement Benefit Plans

6 Months Ended

Jun. 30, 2017

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Retirement Benefit Plans

13. Retirement Benefit Plans

Our defined benefit pension plans and postretirement medical plan are described in Note 13 of our annual report on Form 10-K for the year ended December 31, 2016. We have contributed $186 and $86 during the second quarter of 2017 and $265 and $295 during the first six months of 2017 to our pension plans and postretirement medical plan, respectively.

The components of the net periodic cost (benefit) for the three and six months endedJune 30, 2017 and 2016 were as follows:

	Three Months Ended
	June 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2017			2016			2017			2016			2017		2016
Service cost	$	—		$	97		$	24		$	36		$	20	$	24
Interest cost	390			415			129			103			90		100
Expected return on plan assets	(586		)	(603		)	(101		)	(97		)	—		—
Amortization of net actuarial loss	11			8			—			—			—		—
Amortization of prior service cost	—			10			49			32			—		—
Settlement charge	205			—			—			—			—		—
Foreign currency	—			—			234			(16		)	—		—
Net periodic cost (benefit)	$	20		$	(73	)	$	335		$	58		$	110	$	124

	Six Months Ended
	June 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2017			2016			2017			2016			2017		2016
Service cost	$	—		$	177		$	48		$	72		$	40	$	48
Interest cost	780			830			219			208			181		199
Expected return on plan assets	(1,171		)	(1,200		)	(197		)	(194		)	—		—
Amortization of net actuarial loss	21			17			—			—			—		—
Amortization of prior service cost	—			21			96			64			—		—
Settlement charge	205			—			—			—			—		—
Foreign currency	—			—			229			24			—		—
Net periodic (benefit) cost	$	(165	)	$	(155	)	$	395		$	174		$	221	$	247