Retirement Benefits

3 Months Ended

Mar. 31, 2018

The Company sponsors several qualified and nonqualified defined benefit and defined contribution pension plans and other postretirement plans for its employees. 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,
	2018						2017
	U.S.			Non-U.S.			U.S.			Non-U.S.
Service cost	$	254		$	545		$	254		$	482
Interest cost	653			361			660			308
Expected return on plan assets	(983		)	(290		)	(944		)	(264		)
Net amortization	685			330			642			382
Net periodic benefit cost	$	609		$	946		$	612		$	908



	Other Postretirement Benefits
	Three Months Ended March 31,
	2018			2017
Service cost	$	168		$	152
Interest cost	203			204
Net amortization	(184		)	(198		)
Net periodic benefit cost	$	187		$	158

The Company previously disclosed in its financial statements for the year ended December 31, 2017, that it expected to contribute approximately $5.5 million to its defined benefit plans and $0.1 million to its other postretirement benefit plans in 2018. During the first three months of 2018, the Company contributed a total of $0.7 million to fund these plans and expects to contribute an additional $5.0 million to $20.0 million in the remaining nine months of 2018.