Pension and Other Post-Retirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	Pension Plans				Post-Retirement Healthcare Plan
	2021		2020		2021		2020
Service cost	$	—	$	—	$	24	$	35
Interest cost	5,597		6,970		10		23
Expected return on plan assets	(11,875)		(11,168)		—		—
Amortization of net (gain) loss	1,764		941		47		31
Net periodic benefit cost (income)	$	(4,514)	$	(3,257)	$	81	$	89