Net Periodic Benefit Cost (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30:

	U.S. Pension Benefits				Non-U.S. Pension Benefits				Other U.S. Post-retirement Benefits				Total
	2020		2019		2020		2019		2020		2019		2020		2019
Service cost, net	$	326	$	266	$	4,750	$	3,788	$	—	$	—	$	5,076	$	4,054
Interest cost on projected benefit obligations	889		1,146		1,208		2,547		5		16		2,102		3,709
Expected return on plan assets	(1,523)		(1,472)		(8,426)		(7,342)		—		—		(9,949)		(8,814)
Recognition of prior service cost	—		—		(1,819)		(1,679)		(18)		—		(1,837)		(1,679)
Recognition of actuarial losses/(gains)	643		593		5,947		5,149		(7)		(173)		6,583		5,569
Net periodic pension cost/(credit)	$	335	$	533	$	1,660	$	2,463	$	(20)	$	(157)	$	1,975	$	2,839

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 nine months ended September 30:

	U.S. Pension Benefits				Non-U.S. Pension Benefits				Other U.S. Post-retirement Benefits				Total
	2020		2019		2020		2019		2020		2019		2020		2019
Service cost, net	$	978	$	797	$	13,795	$	11,290	$	—	$	—	$	14,773	$	12,087
Interest cost on projected benefit obligations	2,667		3,438		3,541		7,595		19		48		6,227		11,081
Expected return on plan assets	(4,571)		(4,415)		(24,530)		(21,846)		—		—		(29,101)		(26,261)
Recognition of prior service cost	—		—		(5,279)		(5,033)		(56)		—		(5,335)		(5,033)
Recognition of actuarial losses/(gains)	1,933		1,780		17,258		15,410		(21)		(518)		19,170		16,672
Net periodic pension cost/(credit)	$	1,007	$	1,600	$	4,785	$	7,416	$	(58)	$	(470)	$	5,734	$	8,546