Pension and Other Post-Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 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 September 30,								Nine Months Ended September 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	—		—		57		72
Interest cost	6,075		5,597		15		10		18,098		16,791		44		30
Expected return on plan assets	(11,738)		(11,875)		—		—		(35,215)		(35,625)		—		—
Amortization of net (gain) loss	1,002		1,764		11		47		1,628		5,292		34		141
Net periodic benefit cost (income)	$	(4,661)	$	(4,514)	$	45	$	81	$	(15,489)	$	(13,542)	$	135	$	243