Pensions and Postretirement Benefits Other than Pensions (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Costs

The following tables disclose the amount of net periodic benefit costs for the three months ended March 31, 2021 and 2020 for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic
	Three Months Ended March 31,
	2021		2020
Components of net periodic benefit cost:
Service cost	$	2,745	$	2,497
Interest cost	6,595		8,308
Expected return on plan assets	(13,169)		(14,194)
Amortization of actuarial loss	6,978		7,221
Amortization of prior service cost	353		192
Net periodic benefit cost	$	3,502	$	4,024

	Pension Benefits - International
		Three Months Ended March 31,
		2021		2020
Components of net periodic benefit cost:
Interest cost		$	1,568	$	2,099
Expected return on plan assets		(1,890)		(2,218)
Amortization of actuarial loss		1,422		1,034
Amortization of prior service cost		76		66
Net periodic benefit cost		$	1,176	$	981

	Other Post Retirement Benefits
	Three Months Ended March 31,
	2021		2020
Components of net periodic benefit cost:
Service cost	$	372	$	360
Interest cost	1,342		1,830
Amortization of actuarial gain	(429)		(106)
Amortization of prior service credit	—		(22)
Net periodic benefit cost	$	1,285	$	2,062