Pensions and Postretirement Benefits Other than Pensions

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Pensions and Postretirement Benefits Other than Pensions

6. 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, 2016 and 2015 for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic Three Months Ended March 31,
	2016			2015
Components of net periodic benefit cost:
Service cost	$	2,403		$	2,759
Interest cost		10,617			10,050
Expected return on plan assets		(13,391	)		(13,665	)
Amortization of actuarial loss		9,576			9,879
Net periodic benefit cost	$	9,205		$	9,023
	Pension Benefits - International Three Months Ended March 31,
	2016			2015
Components of net periodic benefit cost:
Service cost	$	2		$	3
Interest cost		3,724			4,040
Expected return on plan assets		(2,991	)		(3,165	)
Amortization of actuarial loss		1,356			1,840
Net periodic benefit cost	$	2,091		$	2,718
	Other Postretirement Benefits Three Months Ended March 31,
	2016			2015
Components of net periodic benefit cost:
Service cost	$	537		$	628
Interest cost		2,705			2,580
Amortization of prior service cost		(141	)		(141	)
Net periodic benefit cost	$	3,101		$	3,067