Net Periodic Benefit Cost (Tables)

3 Months Ended

Mar. 31, 2022

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
	2022		2021		2022		2021		2022		2021		2022		2021
Service cost, net	$	416	$	374	$	4,990	$	4,945	$	—	$	—	$	5,406	$	5,319
Interest cost on projected benefit obligations	674		548		1,558		850		3		2		2,235		1,400
Expected return on plan assets	(1,547)		(1,494)		(9,424)		(8,972)		—		—		(10,971)		(10,466)
Recognition of prior service cost	—		—		(1,095)		(471)		—		—		(1,095)		(471)
Recognition of actuarial losses/(gains)	584		729		4,930		6,299		(26)		(28)		5,488		7,000
Net periodic pension cost/(credit)	$	127	$	157	$	959	$	2,651	$	(23)	$	(26)	$	1,063	$	2,782