Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

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

Components of the net periodic benefit cost

The components of the net periodic benefit cost for the three and six months ended June 30, 2014 and 2013 were as follows:

	Three Months Ended
	June 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2014			2013			2014			2013			2014			2013
Service cost	$	123		$	216		$	38		$	33		$	32		$	38
Interest cost	488			563			134			121			118			110
Expected return on plan assets	(672		)	(910		)	(131		)	(115		)	—			—
Amortization of net actuarial loss (gain)	30			1,073			—			—			(11		)	127
Amortization of prior service cost (benefit)	10			(503		)	47			80			(1		)	(102		)
Foreign currency	—			—			(2		)	(13		)	—			—
Net periodic (benefit) cost	$	(21	)	$	439		$	86		$	106		$	138		$	173

	Six Months Ended
	June 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2014			2013			2014			2013			2014			2013
Service cost	$	247		$	432		$	76		$	66		$	64		$	76
Interest cost	982			1,131			266			243			249			222
Expected return on plan assets	(1,342		)	(1,820		)	(260		)	(231		)	—			—
Amortization of net actuarial loss	74			1,096			—			—			—			101
Amortization of prior service cost (benefit)	21			46			93			161			(3		)	(52		)
Foreign currency	—			—			16			29			—			—
Net periodic (benefit) cost	$	(18	)	$	885		$	191		$	268		$	310		$	347