Pensions and Postretirement Benefits Other than Pensions

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Pensions and Postretirement Benefits Other than Pensions

7. Pensions and Postretirement Benefits Other than Pensions

The following tables disclose the amount of net periodic benefit costs for the three months ended March 31, 2014 and 2015 for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic						Pension Benefits - International
	2014			2015			2014			2015
Components of net periodic benefit cost:
Service cost	$	2,440		$	2,759		$	3		$	3
Interest cost		10,711			10,050			4,926			4,040
Expected return on plan assets		(13,135	)		(13,665	)		(5,015	)		(3,165	)
Amortization of actuarial loss		7,005			9,879			2,122			1,840
Net periodic benefit cost	$	7,021		$	9,023		$	2,036		$	2,718

	Other Post Retirement Benefits
	2014			2015
Components of net periodic benefit cost:
Service cost	$	601		$	628
Interest cost		2,826			2,580
Amortization of prior service cost		(142	)		(141	)
Amortization of actuarial loss		—			—
Net periodic benefit cost	$	3,285		$	3,067