Net Periodic Benefit Cost (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Net periodic benefit cost

Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the three months ended March 31:

	U.S. Pension Benefits				Non-U.S. Pension Benefits				Other U.S. Post-retirement Benefits				Total
	2024		2023		2024		2023		2024		2023		2024		2023
Service cost, net	$	397	$	289	$	4,020	$	3,396	$	—	$	—	$	4,417	$	3,685
Interest cost on projected benefit obligations	1,192		1,256		4,479		4,876		7		7		5,678		6,139
Expected return on plan assets	(1,368)		(1,383)		(9,345)		(8,567)		—		—		(10,713)		(9,950)
Recognition of prior service cost	—		—		(1,161)		(1,050)		(19)		(19)		(1,180)		(1,069)
Recognition of actuarial losses/(gains)	521		548		3,761		2,537		8		—		4,290		3,085
Net periodic pension cost/(credit)	$	742	$	710	$	1,754	$	1,192	$	(4)	$	(12)	$	2,492	$	1,890