Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Compensation And Retirement Disclosure [Abstract]

The table below sets forth net periodic benefit costs of the plan for the years ended December 31, 2017 and 2016:

	Defined Benefit Plan

	2017			2016
Components of net periodic benefit cost:
Service cost	$	258		$	270
Interest cost		4,228			5,151
Recognized actuarial loss		1,325			993
Expected return on plan assets		(6,506	)		(6,210	)
Net periodic benefit cost	$	(695	)	$	204

Schedule of Benefit Obligation, Fair Value of Plan Assets, and Funded Status of our Plan

The table below sets forth the benefit obligation, the fair value of plan assets, and the funded status as of December 31:

	Defined Benefit Plan

	2017			2016
Change in benefit obligation:
Beginning balance	$	146,801		$	145,019
Service cost		258			270
Interest cost		4,228			5,151
Actuarial loss		4,910			29,793
Benefits paid		(4,313	)		(6,816	)
Currency changes		14,179			(26,616	)
Benefit obligation at December 31	$	166,063		$	146,801

Change in plan assets:
Beginning balance - fair value	$	118,658		$	116,386
Employer contribution		2,974			2,105
Actual return on plan assets		5,454			28,422
Benefits paid		(4,313	)		(6,816	)
Currency changes		11,461			(21,439	)
Fair value of plan assets at December 31	$	134,234		$	118,658
Underfunded status at December 31	$	(31,829	)	$	(28,143	)

Schedule of Assumptions Used

The following weighted-average assumptions were used to determine net periodic benefit costs for the twelve months ended December 31:

	2017		2016
Discount rate		2.8%	2.8%
Expected long-term return on plan assets		5.4%	5.4%

The following weighted-average assumption was used to determine the benefit obligations at December 31:

	2017			2016
Discount rate	2.6%			2.8%

Schedule of Allocation Of Plan Assets

The table below sets forth the plan asset allocations of the assets in the plan and expected long-term return by asset category

Asset category	Expected long-term return			Asset allocation
Growth assets		7.7	%		64	%
Hedging assets		1.8	%		34	%
Cash		0.5	%		2	%
Total		5.5	%		100	%

Schedule of Expected Benefit Payments

Benefit plan payments are primarily made from funded benefit plan trusts and current assets. The table below sets forth the expected future benefit payments, including future benefit accrual, as of December 31, 2017

2018	$	3,845
2019		3,998
2020		4,376
2021		4,871
2022		5,267
2023-2026		24,455

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets

The following table summarizes the major categories of the plan assets

December 31, 2017
Asset category	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	2,182	$	4,915	$	-	$	7,097
Equity securities:
U.K.		-		2,787		-		2,787
North America		-		16,082		-		16,082
Europe (excluding U.K.)		-		5,713		-		5,713
Japan		-		2,703		-		2,703
Pacific Basin (excluding Japan)		-		1,372		-		1,372
Emerging markets		-		4,448		-		4,448
Fixed income securities:
Corporate bonds		-		3,682		-		3,682
Others		-		5,731		-		5,731
Index linked securities:
Others		-		203		-		203
Other types of investments:
Absolute return funds		-		1,291		-		1,291
Hedge funds		-		27,355		-		27,355
Development REITS		-		6,004		-		6,004
Insurance linked securities		-		4,117		-		4,117
Liability driven investments		-		45,450		-		45,450
Other		-		199		-		199
Total	$	2,182	$	132,052	$	-	$	134,234