Pension and Postretirement Benefits other than Pensions (Tables)

3 Months Ended

Mar. 31, 2015

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 (income) for the three months ended March 31, 2014 and 2015 for the Company’s defined benefit plans and other postretirement benefit plans:

	Pension Benefits
	Three Months Ended March 31,
	2014						2015
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	213		$	861		$	232		$	889
Interest cost	3,370			1,802			3,084			1,295
Expected return on plan assets	(4,764		)	(958		)	(4,421		)	(860		)
Amortization of prior service cost and recognized actuarial loss	16			231			276			679
Other	—			—			—			120
Net periodic benefit cost (income)	$	(1,165	)	$	1,936		$	(829	)	$	2,123

	Other Postretirement Benefits
	Three Months Ended March 31,
	2014						2015
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	106		$	136		$	109		$	98
Interest cost	397			188			353			175
Amortization of prior service credit and recognized actuarial gain	(481		)	(71		)	(396		)	(5		)
Other	6			—			6			—
Net periodic benefit cost	$	28		$	253		$	72		$	268