Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Components of the net periodic benefit cost

The components of the net periodic benefit cost for the three and nine months ended September 30, 2012 and 2011 were as follows:

	Three Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2012			2011			2012			2011			2012			2011
Service cost	$	175		$	163		$	33		$	25		$	34		$	33
Interest cost	485			503			131			122			140			153
Expected return on plan assets	(569		)	(581		)	(118		)	(109		)	—			—
Amortization of net actuarial loss	281			7			—			—			17			—
Amortization of prior service cost	94			137			38			40			(145		)	(145		)
Foreign currency	—			—			(10		)	(325		)	—			—
Net periodic cost	$	466		$	229		$	74		$	(247	)	$	46		$	41

	Nine Months Ended
	September 30
	Pension Benefits												Postretirement
	U.S. Plans						Non-U.S. Plans						Medical Benefits
	2012			2011			2012			2011			2012			2011
Service cost	$	514		$	489		$	99		$	75		$	104		$	99
Interest cost	1,446			1,509			392			366			419			459
Expected return on plan assets	(1,709		)	(1,744		)	(353		)	(325		)	—			—
Amortization of net actuarial loss	849			21			—			—			51			—
Amortization of prior service cost	286			412			115			118			(435		)	(435		)
Foreign currency	—			—			13			(248		)	—			—
Net periodic cost	$	1,386		$	687		$	266		$	(14	)	$	139		$	123