Pension and Postretirement Benefits other than Pensions (Tables)

3 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [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, 2013 and 2014 for the Company’s defined benefit plans and other postretirement benefit plans:

	Pension Benefits
	Three Months Ended March 31,
	2013						2014
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	305		$	888		$	213		$	861
Interest cost	3,052			1,710			3,370			1,802
Expected return on plan assets	(4,342		)	(949		)	(4,764		)	(958		)
Amortization of prior service cost and recognized actuarial loss	344			330			16			231
Net periodic benefit cost (gain)	$	(641	)	$	1,979		$	(1,165	)	$	1,936

	Other Postretirement Benefits
	Three Months Ended March 31,
	2013						2014
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	147		$	168		$	106		$	136
Interest cost	407			188			397			188
Amortization of prior service credit and recognized actuarial gain	(281		)	(36		)	(481		)	(71		)
Other	6			—			6			—
Net periodic benefit cost	$	279		$	320		$	28		$	253