Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2019						2018
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	208		$	464		$	254		$	545
Interest cost	764			365			653			361
Expected return on plan assets	(801		)	(264		)	(983		)	(290		)
Net amortization	487			284			685			330
Net periodic benefit cost	$	658		$	849		$	609		$	946

	Other Postretirement Benefits
	Three Months Ended March 31,
	2019			2018
Service cost	$	140		$	168
Interest cost	212			203
Net amortization	(159		)	(184		)
Net periodic benefit cost	$	193		$	187