Net Periodic Benefit Cost (Tables)

9 Months Ended

Sep. 30, 2018

Schedule of Net Benefit Costs [Table Text Block]

Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the three months ended September 30:



	U.S. Pension Benefits						Non-U.S. Pension Benefits						Other U.S. Post-retirement Benefits						Total
	2018			2017			2018			2017			2018			2017			2018			2017
Service cost, net	$	273		$	141		$	3,752		$	4,008		$	—		$	—		4,025			4,149
Interest cost on projected benefit obligations	1,060			1,094			2,180			2,269			16			18			3,256			3,381
Expected return on plan assets	(1,733		)	(1,684		)	(7,733		)	(7,910		)	—			—			(9,466		)	(9,594		)
Recognition of prior service cost	—			—			(1,727		)	(1,611		)	(93		)	(195		)	(1,820		)	(1,806		)
Recognition of actuarial losses/(gains)	1,451			1,639			5,331			5,676			(311		)	(474		)	6,471			6,841
Net periodic pension cost/(credit)	$	1,051		$	1,190		$	1,803		$	2,432		$	(388	)	$	(651	)	$	2,466		$	2,971

Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the nine months ended September 30:



	U.S. Pension Benefits						Non-U.S. Pension Benefits						Other U.S. Post-retirement Benefits						Total
	2018			2017			2018			2017			2018			2017			2018			2017
Service cost, net	$	817		$	423		$	11,416		$	12,086		$	—		$	—		12,233			12,509
Interest cost on projected benefit obligations	3,182			3,282			6,534			6,294			48			54			9,764			9,630
Expected return on plan assets	(5,197		)	(5,052		)	(23,408		)	(22,795		)	—			—			(28,605		)	(27,847		)
Recognition of prior service cost	—			—			(5,248		)	(4,439		)	(279		)	(585		)	(5,527		)	(5,024		)
Recognition of actuarial losses/(gains)	4,353			4,917			16,261			16,657			(937		)	(1,422		)	19,677			20,152
Net periodic pension cost/(credit)	$	3,155		$	3,570		$	5,555		$	7,803		$	(1,168	)	$	(1,953	)	$	7,542		$	9,420