Retirement Benefit Plans

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Retirement Benefit Plans

10. Retirement Benefit Plans

Our defined benefit pension plans and postretirement medical plan are described in Note 11 of the 2011 annual report on Form 10-K. We have contributed $517 and $186 during the third quarter of 2012 and $1,512 and $425 during the first nine months of 2012 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, 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