Pension and Other Postretirement Benefits

Pension and other postretirement benefits expenses consisted of the following:



	Three months ended June 30,						Six months ended June 30,
Pensions	2017			2016			2017			2016
Service cost	$	1,459		$	1,318		$	3,102		$	2,702
Interest cost	4,666			4,945			9,287			9,781
Expected return on plan assets	(6,816		)	(7,667		)	(13,676		)	(15,210		)
Amortization of prior service cost	111			55			220			105
Amortization of actuarial losses	2,663			2,856			5,143			5,412
Curtailment gain	(7,217		)	—			(7,217		)	—
Settlement gain	(230		)	—			(491		)	—
Net periodic benefit cost	$	(5,364	)	$	1,507		$	(3,632	)	$	2,790

In June 2017, the Company authorized the closure of its FOBOHA facility located in Muri, Switzerland which resulted in pension curtailment and settlement gains of $7,217 and $230, respectively. See Note 14 of the Consolidated Financial Statements for additional information related to the Closure.

In May 2017, the Company contributed $5,000 of discretionary contributions to its U.S Qualified pension plans. The Company currently does not plan to make any additional discretionary contributions to its Qualified U.S. Plans, however an incremental $5,000 is expected to be made into its U.S. Non-qualified and international pension plans throughout 2017.



	Three months ended June 30,						Six months ended June 30,
Other Postretirement Benefits	2017			2016			2017			2016
Service cost	$	20		$	27		$	42		$	61
Interest cost	392			431			781			884
Amortization of prior service credit	(17		)	(94		)	(34		)	(187		)
Amortization of actuarial losses	70			91			139			267
Net periodic benefit cost	$	465		$	455		$	928		$	1,025