Pension and Other Post-Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

ABX’s net periodic benefit costs for its defined benefit pension plans and post-retirement healthcare plans are as follows (in thousands):

	Three Months Ended June 30,								Six Months Ended June 30,
	Pension Plans				Post-Retirement Healthcare Plan				Pension Plans				Post-Retirement Healthcare Plan
	2022		2021		2022		2021		2022		2021		2022		2021
Service cost	$	—	$	—	$	19	$	24	—		—		38		48
Interest cost	6,011		5,597		15		10		12,022		11,194		30		20
Expected return on plan assets	(11,738)		(11,875)		—		—		(23,476)		(23,750)		—		—
Amortization of net (gain) loss	313		1,764		11		47		626		3,528		22		94
Net periodic benefit cost (income)	$	(5,414)	$	(4,514)	$	45	$	81	$	(10,828)	$	(9,028)	$	90	$	162