Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Contributions for Pension and Other Postretirement Benefits

Contributions to the Corporation’s employee benefit plans were as follows:

	Nine Months Ended September 30,
	2023		2022
U.S. defined benefit pension plans	$	207	$	236
Foreign defined benefit pension plans		377		388
Other postretirement benefits (e.g., net payments)		325		359
U.K. defined contribution pension plan		175		193
U.S. defined contribution plan		2,002		2,778

Net Periodic Pension and Other Postretirement Benefit Costs

Net periodic pension and other postretirement benefit costs included the following components:

	Three Months Ended September 30,						Nine Months Ended September 30,
U.S. Defined Benefit Pension Plans	2023			2022			2023			2022
Service cost	$	10		$	13		$	29		$	38
Interest cost		2,483			1,546			7,450			4,639
Expected return on plan assets		(3,596	)		(3,302	)		(10,788	)		(9,905	)
Amortization of prior service cost		2			2			5			5
Amortization of actuarial loss		30			558			91			1,674
Net benefit income	$	(1,071	)	$	(1,183	)	$	(3,213	)	$	(3,549	)

	Three Months Ended September 30,						Nine Months Ended September 30,
Foreign Defined Benefit Pension Plans	2023			2022			2023			2022
Service cost	$	87		$	85		$	225		$	223
Interest cost		468			256			1,391			821
Expected return on plan assets		(487	)		(463	)		(1,446	)		(1,484	)
Amortization of prior service credit		(70	)		(65	)		(207	)		(210	)
Amortization of actuarial loss		152			75			451			242
Net benefit expense (income)	$	150		$	(112	)	$	414		$	(408	)

	Three Months Ended September 30,						Nine Months Ended September 30,
Other Postretirement Benefit Plans	2023			2022			2023			2022
Service cost	$	43		$	59		$	128		$	176
Interest cost		98			55			293			165
Amortization of prior service credit		(256	)		(299	)		(768	)		(897	)
Amortization of actuarial (gain) loss		(81	)		6			(242	)		19
Net benefit income	$	(196	)	$	(179	)	$	(589	)	$	(537	)