Pensions and Postretirement Benefits Other than Pensions

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Pensions and Postretirement Benefits Other than Pensions

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, 2020 and 2019, respectively, for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic
	Three Months Ended March 31,
	2020			2019
Components of net periodic benefit cost:
Service cost	$	2,497		$	2,244
Interest cost	8,308			9,875
Expected return on plan assets	(14,194		)	(11,990		)
Amortization of actuarial loss	7,221			8,284
Amortization of prior service cost	192			—
Net periodic benefit cost	$	4,024		$	8,413

	Pension Benefits - International
	Three Months Ended March 31,
	2020			2019
Components of net periodic benefit cost:
Interest cost	$	2,099		$	2,821
Expected return on plan assets	(2,218		)	(2,947		)
Amortization of actuarial loss	1,034			949
Amortization of prior service cost	66			—
Net periodic benefit cost	$	981		$	823

	Other Post Retirement Benefits
	Three Months Ended March 31,
	2020			2019
Components of net periodic benefit cost:
Service cost	$	360		$	393
Interest cost	1,830			2,472
Amortization of actuarial gain	(106		)	(102		)
Amortization of prior service credit	(22		)	—
Net periodic benefit cost	$	2,062		$	2,763

At March 31, 2020, an amendment to a domestic pension plan resulted in a retroactive increase in benefit levels for plan participants and has been accounted for as a prior service cost deferred in Other comprehensive loss, to be amortized as a component of net periodic benefit cost in future periods. The domestic pension plan projected benefit obligation increased $2,582 as a result of the amendment as of March 31, 2020.