Pension and Postretirement Benefits other than Pensions (Tables)

3 Months Ended

Mar. 31, 2013

Pension and Postretirement Benefits other than Pensions [Abstract]

Net periodic benefit cost of defined benefit plans and other postretirement benefit plans

The following tables disclose the amount of net periodic benefit cost for the three months ended March 31, 2012 and 2013 for the Company’s defined benefit plans and other postretirement benefit plans:

	Pension Benefits
	Three Months Ended March 31,
	2012						2013
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	287		$	803		$	305		$	888
Interest cost		3,476			1,972			3,052			1,710
Expected return on plan assets		(3,868	)		(1,003	)		(4,342	)		(949	)
Amortization of prior service cost and recognized actuarial loss		124			95			344			330
Net periodic benefit cost (gain)	$	19		$	1,867		$	(641	)	$	1,979

	Other Postretirement Benefits
	Three Months Ended March 31,
	2012					2013
	U.S.			Non-U.S.		U.S.			Non-U.S.
Service cost	$	136		$	192	$	147		$	168
Interest cost		449			210		407			188
Amortization of prior service cost (credit) and recognized actuarial (gain) loss		(444	)		34		(281	)		(36	)
Other		19			—		6			—
Curtailment gain		(1,539	)		—		—			—
Net periodic benefit cost (gain)	$	(1,379	)	$	436	$	279		$	320