Retirement Benefits (Tables)

6 Months Ended

Jun. 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 June 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	37	$	507	$	35	$	541
Interest cost	102		183		190		263
Expected return on plan assets	(560)		(252)		(978)		(291)
Settlement loss recognized	10,448		—		75		—
Net amortization	136		549		(234)		426
Net periodic (benefit) cost	$	10,163	$	987	$	(912)	$	939

	Pension Benefits
	Six Months Ended June 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	75	$	1,015	$	69	$	1,081
Interest cost	166		366		651		526
Expected return on plan assets	(776)		(505)		(1,877)		(582)
Settlement loss recognized	10,496		—		377		—
Net amortization	225		1,097		208		852
Net periodic (benefit) cost	$	10,186	$	1,973	$	(572)	$	1,877

	Other Postretirement Benefits
	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Service cost	$	178	$	154	$	356	$	309
Interest cost	103		157		205		313
Net amortization	(170)		(136)		(339)		(272)
Net periodic (benefit) cost	$	111	$	175	$	222	$	350