Pensions and Postretirement Benefits Other than Pensions (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019 and 2018, 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,
	2019			2018			2019			2018
Components of net periodic benefit cost:
Service cost	$	2,244		$	2,580		$	4,488		$	5,160
Interest cost	9,875			9,210			19,749			18,419
Expected return on plan assets	(12,042		)	(13,508		)	(24,022		)	(27,017		)
Amortization of actuarial loss	8,284			8,235			16,568			16,471
Net periodic benefit cost	$	8,361		$	6,517		$	16,783		$	13,033

	Pension Benefits - International
	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Components of net periodic benefit cost:
Service cost	$	—		$	—		$	—		$	—
Interest cost	2,768			2,840			5,575			5,746
Expected return on plan assets	(2,898		)	(3,073		)	(5,836		)	(6,216		)
Amortization of actuarial loss	931			1,085			1,876			2,195
Net periodic benefit cost	$	801		$	852		$	1,615		$	1,725

	Other Post Retirement Benefits
	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Components of net periodic benefit cost:
Service cost	$	393		$	487		$	787		$	974
Interest cost	2,472			2,313			4,944			4,625
Amortization of prior service cost	(102		)	(135		)	(204		)	(270		)
Net periodic benefit cost	$	2,763		$	2,665		$	5,527		$	5,329