Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019						2018
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	484		$	462		$	156		$	520
Interest cost	764			355			669			341
Expected return on plan assets	(801		)	(258		)	(991		)	(276		)
Settlement loss recognized	486			—			—			—
Net amortization	487			276			664			312
Net periodic benefit cost	$	1,420		$	835		$	498		$	897

	Pension Benefits
	Nine Months Ended September 30,
	2019						2018
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	901		$	1,386		$	665		$	1,592
Interest cost	2,292			1,081			1,975			1,053
Expected return on plan assets	(2,403		)	(784		)	(2,957		)	(848		)
Settlement loss recognized	486			—			—			—
Net amortization	1,460			840			2,034			964
Net periodic benefit cost	$	2,736		$	2,523		$	1,717		$	2,761

	Other Postretirement Benefits
	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Service cost	$	141		$	167		$	421		$	502
Interest cost	212			202			636			608
Net amortization	(159		)	(185		)	(476		)	(553		)
Net periodic benefit cost	$	194		$	184		$	581		$	557