Pension and Other Post-Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

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 for both continuing and discontinued operations 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
	2021		2020		2021		2020		2021		2020		2021		2020
Service cost	$	—	$	—	$	24	$	35	—		—		48		69
Interest cost	5,597		6,970		10		23		11,194		13,940		20		45
Expected return on plan assets	(11,875)		(11,168)		—		—		(23,750)		(22,336)		—		—
Amortization of net loss	1,764		941		47		31		3,528		1,882		94		62
Net periodic benefit cost (income) loss	$	(4,514)	$	(3,257)	$	81	$	89	$	(9,028)	$	(6,514)	$	162	$	176