Retirement Benefit Plans

9 Months Ended

Sep. 30, 2016

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

Retirement Benefit Plans

11. 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, 2015. We have contributed $102 and $381 during the third quarter of 2016 and $311 and $845 during the first nine months of 2016 to our pension plans and to our postretirement medical plan, respectively.

The components of the net periodic (benefit) cost for the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2016			2015			2016			2015			2016		2015
Service cost	$	88		$	120		$	32		$	36		$	25	$	24
Interest cost	414			428			96			125			99		98
Expected return on plan assets	(599		)	(653		)	(89		)	(148		)	—		—
Amortization of net actuarial loss	13			209			—			—			—		—
Amortization of prior service cost	10			10			29			67			—		—
Foreign currency	—			—			(57		)	8			—		—
Net periodic (benefit) cost	$	(74	)	$	114		$	11		$	88		$	124	$	122

	Nine Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2016			2015			2016			2015			2016		2015
Service cost	$	265		$	360		$	104		$	108		$	73	$	72
Interest cost	1,244			1,283			304			373			298		294
Expected return on plan assets	(1,799		)	(1,960		)	(283		)	(438		)	—		—
Amortization of net actuarial loss	30			627			—			—			—		—
Amortization of prior service cost	31			31			93			197			—		—
Foreign currency	—			—			(33		)	43			—		—
Net periodic (benefit) cost	$	(229	)	$	341		$	185		$	283		$	371	$	366