Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

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

Components of the net periodic cost (benefit)

The components of the net periodic cost (benefit) for the three and nine months ended September 30, 2015 and 2014 were as follows:

	Three Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2015			2014			2015			2014			2015		2014
Service cost	$	120		$	123		$	36		$	38		$	24	$	32
Interest cost	428			491			125			133			98		124
Expected return on plan assets	(653		)	(670		)	(148		)	(131		)	—		—
Amortization of net actuarial loss (gain)	209			37			—			—			—		(2		)
Amortization of prior service cost (benefit)	10			11			67			46			—		—
Foreign currency	—			—			8			98			—		—
Net periodic cost (benefit)	$	114		$	(8	)	$	88		$	184		$	122	$	154

	Nine Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2015			2014			2015			2014			2015		2014
Service cost	$	360		$	370		$	108		$	114		$	72	$	96
Interest cost	1,283			1,473			373			399			294		373
Expected return on plan assets	(1,960		)	(2,012		)	(438		)	(391		)	—		—
Amortization of net actuarial loss	627			111			—			—			—		—
Amortization of prior service cost (benefit)	31			32			197			139			—		(5		)
Foreign currency	—			—			43			114			—		—
Net periodic cost (benefit)	$	341		$	(26	)	$	283		$	375		$	366	$	464