Net Periodic Benefit Cost (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

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 June 30:

	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	$	4,775	$	4,907	$	—	$	—	$	5,191	$	5,281
Interest cost on projected benefit obligations	674		549		1,492		858		3		2		2,169		1,409
Expected return on plan assets	(1,547)		(1,494)		(9,023)		(8,904)		—		—		(10,570)		(10,398)
Recognition of prior service cost	—		—		(1,045)		(465)		(19)		(19)		(1,064)		(484)
Recognition of actuarial losses/(gains)	585		729		4,709		6,246		(8)		(9)		5,286		6,966
Net periodic pension cost/(credit)	$	128	$	158	$	908	$	2,642	$	(24)	$	(26)	$	1,012	$	2,774

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 six months ended June 30:

	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	$	832	$	748	$	9,765	$	9,852	$	—	$	—	$	10,597	$	10,600
Interest cost on projected benefit obligations	1,348		1,098		3,051		1,708		6		4		4,405		2,810
Expected return on plan assets	(3,094)		(2,988)		(18,447)		(17,875)		—		—		(21,541)		(20,863)
Recognition of prior service cost	—		—		(2,141)		(936)		(37)		(38)		(2,178)		(974)
Recognition of actuarial losses/(gains)	1,169		1,458		9,639		12,545		(15)		(18)		10,793		13,985
Net periodic pension cost/(credit)	$	255	$	316	$	1,867	$	5,294	$	(46)	$	(52)	$	2,076	$	5,558