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Employee Benefit Plan (Tables) - Non-U.S. Plan

12 Months Ended

Dec. 31, 2018

Employee Benefit Plan

Schedule of net periodic pension cost

		Year ended December 31,
		2018			2017			2016
in thousands
Service cost (gross)		$	1,281		$	1,397		$	783
Interest cost			199			188			243
Expected return on plan assets			(327)			(199)			(157)
Amortization of unrecognized actuarial gain			18			45			—
Net periodic pension cost		$	1,171		$	1,431		$	869

Summary of net unfunded status of pension plans

		As of December 31,
		2018			2017
Fair value of plan assets		$	12,823		$	12,390
Projected benefit obligation			(18,173)			(18,308)
Net unfunded benefit obligation		$	(5,350)		$	(5,918)

Schedule of change in the fair value of plan assets

		Year ended December 31,
		2018			2017
Fair value of plan assets at January 1		$	12,390		$	11,024
Employee contributions			506			530
Actual return on plan assets			904			91
Benefits (paid), net of transfers			(1,601)			(1,277)
Employer contributions			971			992
Foreign exchange adjustment			(347)			1,030
Fair value of plan assets at December 31		$	12,823		$	12,390

Schedule of change in benefit obligations

		Year ended December 31,
		2018			2017
Benefit obligations at January 1		$	18,308		$	16,690
Gross service cost			1,281			1,397
Interest cost			199			188
Employee contributions			506			530
Actuarial (gains)/losses			(672)			30
Plan amendment			560			(356)
Benefits (paid), net of transfers			(1,601)			(1,277)
Foreign exchange adjustment			(408)			1,106
Benefit obligations at December 31		$	18,173		$	18,308

Summary of weighted average assumptions

		As of December 31, 2018
		2018				2017
		(%)
Discount rates		0.9	-	1.8		0.7	-	1.5
Inflation		1.0	-	2.0		1.0	-	1.8
Expected return on plan assets		1.3	-	2.0		1.3	-	2.0
Rate of salary increases		2.0	-	2.8		2.0	-	2.8

Schedule of projected future pension benefits

2019		$	513
2020			446
2021			747
2022			785
2023			755
Beyond			3,953

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