Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Pension and other postretirement benefits (income) cost consisted of the following:

	Three Months Ended June 30,				Six Months Ended June 30,
Pensions	2023		2022		2023		2022
Service cost	$	577	$	1,328	$	1,350	$	2,883
Interest cost	4,801		3,434		9,696		6,868
Expected return on plan assets	(7,449)		(7,257)		(14,983)		(14,538)
Amortization of prior service cost	83		99		170		207
Amortization of actuarial losses	420		3,518		838		6,657
Curtailment gain	(668)		—		(668)		—
Settlement gain	(731)		—		(731)		—
Special termination benefits	—		—		—		136
Net periodic benefit (income) cost	$	(2,967)	$	1,122	$	(4,328)	$	2,213

	Three Months Ended June 30,				Six Months Ended June 30,
Other Postretirement Benefits	2023		2022		2023		2022
Service cost	$	6	$	15	$	19	$	39
Interest cost	274		203		560		409
Amortization of prior service cost	2		9		5		18
Amortization of actuarial (gains) losses	(47)		(1)		(73)		(1)
Net periodic benefit cost	$	235	$	226	$	511	$	465