Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost for Defined Benefit Plans and Other Postretirement Plans

The following tables provide the components of net periodic benefit cost for its major defined benefit plans and its other postretirement plans.

	Pension Benefits
	Three Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	38	$	508	$	34	$	539
Interest cost	43		183		312		263
Expected return on plan assets	(39)		(253)		(927)		(291)
Settlement loss recognized	—		—		326		—
Net amortization	74		548		643		427
Net periodic cost	$	116	$	986	$	388	$	938

	Pension Benefits
	Nine Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	113	$	1,523	$	103	$	1,620
Interest cost	209		549		963		789
Expected return on plan assets	(815)		(758)		(2,804)		(873)
Settlement loss recognized	10,496		—		702		—
Net amortization	299		1,645		852		1,279
Net periodic (benefit) cost	$	10,302	$	2,959	$	(184)	$	2,815

	Other Postretirement Benefits
	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service cost	$	179	$	154	$	535	$	463
Interest cost	102		156		307		469
Net amortization	(169)		(135)		(508)		(407)
Net periodic cost	$	112	$	175	$	334	$	525