Pensions and Postretirement Benefits Other than Pensions (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Costs

The following tables disclose the amount of net periodic benefit costs for the three and nine months ended September 30, 2014 and 2015 for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic
	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2015			2014			2015
Components of net periodic benefit cost:
Service cost	$	2,440		$	2,759		$	7,320		$	8,278
Interest cost		10,711			10,051			32,132			30,151
Expected return on plan assets		(13,136	)		(13,665	)		(39,407	)		(40,995	)
Amortization of actuarial loss		7,005			9,878			21,016			29,636
Net periodic benefit cost	$	7,020		$	9,023		$	21,061		$	27,070
	Pension Benefits - International
	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2015			2014			2015
Components of net periodic benefit cost:
Service cost	$	3		$	2		$	9		$	7
Interest cost		4,972			4,018			14,907			11,920
Expected return on plan assets		(5,063	)		(3,148	)		(15,178	)		(9,339	)
Amortization of actuarial loss		2,142			1,830			6,422			5,430
Net periodic benefit cost	$	2,054		$	2,702		$	6,160		$	8,018
	Other Postretirement Benefits
	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2015			2014			2015
Components of net periodic benefit cost:
Service cost	$	601		$	628		$	1,803		$	1,884
Interest cost		2,827			2,580			8,479			7,740
Amortization of prior service cost		(141	)		(141	)		(424	)		(425	)
Amortization of actuarial loss		—			—			—			—
Net periodic benefit cost	$	3,287		$	3,067		$	9,858		$	9,199