Pensions and Postretirement Benefits Other than Pensions (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Costs

The following tables disclose the amount of net periodic benefit costs for the three and six months ended June 30, 2020 and 2019, respectively, for the Company’s defined benefit plans and other postretirement benefits:

	Pension Benefits - Domestic
	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Components of net periodic benefit cost:
Service cost	$	2,551		$	2,244		$	5,048		$	4,488
Interest cost	8,278			9,875			16,586			19,749
Expected return on plan assets	(13,807		)	(12,042		)	(28,001		)	(24,022		)
Amortization of actuarial loss	8,104			8,284			15,325			16,568
Amortization of prior service cost	353			—			545			—
Net periodic benefit cost	$	5,479		$	8,361		$	9,503		$	16,783

	Pension Benefits - International
	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Components of net periodic benefit cost:
Interest cost	$	2,036		$	2,768		$	4,135		$	5,575
Expected return on plan assets	(2,151		)	(2,898		)	(4,369		)	(5,836		)
Amortization of actuarial loss	1,003			931			2,037			1,876
Amortization of prior service cost	64			—			130			—
Net periodic benefit cost	$	952		$	801		$	1,933		$	1,615

	Other Post Retirement Benefits
	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
Components of net periodic benefit cost:
Service cost	$	360		$	393		$	720		$	787
Interest cost	1,830			2,472			3,660			4,944
Amortization of actuarial gain	(106		)	—			(212		)	—
Amortization of prior service credit	(22		)	(102		)	(44		)	(204		)
Net periodic benefit cost	$	2,062		$	2,763		$	4,124		$	5,527