Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation And Retirement Disclosure [Abstract]

The net periodic pension cost consisted of the following components (in thousands):

	Year Ended December 31,
	2016			2015			2014
Components of the net periodic pension cost:
Interest cost	$	1,232		$	1,340		$	1,589
Expected return on plan assets		(1,566	)		(1,844	)		(1,958	)
Amortization of actuarial losses		726			875			374
Net periodic pension cost	$	392		$	371		$	5

Actuarial Assumptions used to Compute net Periodic Pension Cost and Funded Status

The actuarial assumptions used to compute the net periodic pension cost for the years ended December 31, 2016, 2015 and 2014, respectively, were as follows:

	Year Ended December 31,
	2016			2015			2014
Weighted-average discount rate		3.8	%		3.5	%		4.6	%
Weighted-average long-term rate of return on plan assets		5.3	%		5.6	%		5.9	%

The actuarial assumptions used to compute the benefit obligations as of December 31, 2016 and 2015, respectively, were as follows:

	December 31,
	2016			2015
Weighted-average discount rate		2.6	%		3.8	%
Rate of inflation		3.0	%		2.8	%

Reconciliation of Benefit Obligations and Plan Assets of U.K. Plan

The following table provides a reconciliation of benefit obligations and plan assets of the U.K. Plan (in thousands):

	December 31,
	2016			2015
Change in benefit obligation:
Projected benefit obligation at beginning of year	$	35,914		$	39,421
Interest cost		1,232			1,340
Actuarial (gains) losses		7,425			(2,083	)
Benefits paid		(809	)		(798	)
Foreign currency exchange rate changes		(6,501	)		(1,966	)
Projected benefit obligation at end of year	$	37,261		$	35,914
Accumulated benefit obligation at end of year	$	37,261		$	35,914
Change in plan assets:
Fair value of plan assets at beginning of year	$	32,374		$	33,610
Actual return on plan assets		4,522			342
Employer contributions		868			955
Benefits paid		(809	)		(798	)
Foreign currency exchange rate changes		(5,651	)		(1,735	)
Fair value of plan assets at end of year	$	31,304		$	32,374
Funded status at end of year	$	(5,957	)	$	(3,540	)
Amounts included in accumulated other comprehensive loss not yet recognized in net periodic pension cost:
Net actuarial losses at beginning of year	$	(9,874	)	$	(11,890	)
Net actuarial gains (losses) during the year		(4,469	)		581
Amounts reclassified from accumulated other comprehensive income to income before income taxes		726			875
Foreign currency exchange rate changes		1,920			560
Net actuarial losses at end of year	$	(11,697	)	$	(9,874	)
Amounts expected to be amortized from accumulated other comprehensive loss into net periodic pension cost over the next fiscal year consists of:
Net actuarial loss	$	1,148		$	794

The funded status of the U.K. Plan is included in other long term liabilities in the accompanying consolidated balance sheets.

Expected Future Benefit Payments

The following table reflects the total expected benefit payments to plan participants and have been estimated based on the same assumptions used to measure the Company’s benefit obligations as of December 31, 2016 (in thousands):

	Amount
2017	$	875
2018		725
2019		1,048
2020		1,205
2021		1,371
2022-2026		7,667
Total	$	12,891

Summary of Fair Value of Plan Assets by Asset Category

The following table summarizes the fair values of Plan assets by asset category as of December 31, 2016 (in thousands):

Asset Category	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)		Not Subject to Leveling (4)
Mutual Funds:
Balanced (1)	$	23,317	$	—	$	—	$	—	$	23,317
Growth (2)		3,239		—		—		—		3,239
Fixed income (3)		4,512		—		—		—		4,512
Cash		236		236		—		—		—
Total	$	31,304	$	236	$	—	$	—	$	31,068

(1)	This class comprises a diversified portfolio of global investments which seeks a balanced return between capital growth and fixed income and is allocated on a weighted average basis as follows: equities (34%), bonds (36%), other assets (27%) and cash (3%).

(2)	This class comprises a diversified portfolio of global investments which seeks long-term capital growth and is allocated on a weighted average basis as follows: equities (59%), bonds (16%), other assets (22%) and cash (3%).

(3)	This class comprises a diversified portfolio of global investments which seeks fixed income and is allocated on a weighted average basis as follows: bonds (93%), other assets (1%) and cash (6%).

(4)

In 2016, the Company adopted ASU 2015-07, “Fair Value Measurement (Topic 820): Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent).” As a result of the adoption, pension plan assets measured using the net asset value per share (or its equivalent) are presented as “Not Subject to Leveling” in the table above.

The following table summarizes the fair values of Plan assets by asset category as of December 31, 2015 (in thousands):

Asset Category	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)		Not Subject to Leveling (3)
Mutual Funds:
Balanced (1)	$	15,611	$	—	$	—	$	—	$	15,611
Growth (2)		16,583		—		—		—		16,583
Cash		180		180		—		—		—
Total	$	32,374	$	180	$	—	$	—	$	32,194

(1)	This class comprises a diversified portfolio of global investments which seeks a balanced return between capital growth and fixed income and is allocated on a weighted average basis as follows: equities (52%), bonds (24%), other assets (9%) and cash (15%).

(2)	This class comprises a diversified portfolio of global investments which seeks long-term capital growth and is allocated on a weighted average basis as follows: equities (67%), bonds (12%), other assets (9%), and cash (12%).

(3)