Defined Benefit Pension Plan and Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Reconciliation of the Change in the Benefit Obligation

The following table provides a reconciliation of the change in the benefit obligation for the Pension Plans and the net amount recognized, included in “Other long-term liabilities”, in the accompanying Consolidated Balance Sheets (in thousands):

	December 31,
	2015			2014
Beginning benefit obligation	$	3,100		$	2,481
Service cost		433			387
Interest cost		135			104
Actuarial (gains) losses		(121	)		50
Effect of foreign currency translation		(138	)		78
Ending benefit obligation	$	3,409		$	3,100
Unfunded status		(3,409	)		(3,100	)
Net amount recognized	$	(3,409	)	$	(3,100	)

Benefit Obligations and Net Periodic Benefit Cost for the Pension Plans

The actuarial assumptions used to determine the benefit obligations and net periodic benefit cost for the Pension Plans were as follows:

	Years Ended December 31,
	2015	2014	2013
Discount rate	5.0 - 5.4%	4.5 - 4.9%	4.3 - 5.2%
Rate of compensation increase	2.0%	2.0%	2.0%

Net Periodic Benefit Cost and Other Accumulated Comprehensive Income for Pension Plans

The following table provides information about the net periodic benefit cost and other accumulated comprehensive income for the Pension Plans (in thousands):

	Years Ended December 31,
	2015			2014			2013
Service cost	$	433		$	387		$	392
Interest cost		135			104			137
Recognized actuarial (gains)		(41	)		(50	)		(60	)
Net periodic benefit cost		527			441			469
Unrealized net actuarial (gains), net of tax		(1,029	)		(1,008	)		(1,150	)
Total amount recognized in net periodic benefit cost and other accumulated comprehensive income (loss)	$	(502	)	$	(567	)	$	(681	)

Estimated Future Benefit Payments for Expected Future Service

The estimated future benefit payments, which reflect expected future service, as appropriate, are as follows (in thousands):

Years Ending December 31,	Amount
2016	$	143
2017		69
2018		45
2019		253
2020		157
2021 - 2025		964

Company's Contributions to Employee Retirement Savings Plans

The Company’s contributions included in the accompanying Consolidated Statements of Operations were as follows (in thousands):

	Years Ended December 31,
	2015		2014		2013
401(k) plan contributions	$	832	$	870	$	895

Post-Retirement Benefit Obligation and Unrealized Gain (Losses)

The postretirement benefit obligation included in “Other long-term liabilities” and the unrealized gains (losses) included in “Accumulated other comprehensive income” in the accompanying Consolidated Balance Sheets were as follows (in thousands):

	December 31,
	2015		2014
Postretirement benefit obligation	$	37	$	46
Unrealized gains (losses) in AOCI (1)		267		342

⁽¹⁾ Unrealized gains (losses) are due to changes in discount rates related to the postretirement obligation.