Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

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

	Three Months Ended September 30,				Nine Months Ended September 30,
Pensions	2023		2022		2023		2022
Service cost	$	622	$	1,462	$	1,972	$	4,345
Interest cost	4,796		3,643		14,492		10,511
Expected return on plan assets	(7,453)		(7,264)		(22,436)		(21,801)
Amortization of prior service cost	88		97		258		304
Amortization of actuarial losses	402		3,098		1,240		9,755
Curtailment loss (gain)	—		1,158		(668)		1,158
Settlement gain	—		—		(731)		—
Special termination benefits	—		259		—		395
Net periodic benefit (income) cost	$	(1,545)	$	2,453	$	(5,873)	$	4,667

	Three Months Ended September 30,				Nine Months Ended September 30,
Other Postretirement Benefits	2023		2022		2023		2022
Service cost	$	10	$	19	$	29	$	58
Interest cost	282		197		842		606
Amortization of prior service cost	3		9		8		27
Amortization of actuarial gains	(37)		(1)		(110)		(2)
Net periodic benefit cost	$	258	$	224	$	769	$	689