Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Employee Benefit Plans

Schedule of reconciliation of the beginning and ending balances of the projected benefit obligation

A reconciliation of the beginning and ending balances of the projected benefit obligation is presented below (in thousands):

	Year Ended December 31,
	2014			2013
Projected benefit obligation at the beginning of the year	$	51,034		$	47,206
Service cost		5,517			5,406
Interest cost		2,367			1,584
Plan amendments		3,862			—
Actuarial gain		(4,825	)		(3,162	)
Projected benefit obligation at the end of the year	$	57,955		$	51,034
Fair value of plan assets at the end of the year		—			—
Unfunded at end of the year(1)	$	57,955		$	51,034

(1) At December 31, 2014, the aggregate balance of the SERP liability was $58.0 million, of which $20.9 million, representing the benefit obligation due for participants who are currently eligible to retire, has been classified as current liabilities under the caption "Other current liabilities" on our consolidated balance sheets.

Schedule of future estimated benefit payments, based on current assumptions, including election of lump-sum distributions and expected future service

Future estimated benefit payments, based on current assumptions, including election of lump-sum distributions and expected future service, are as follows (in thousands):

Year Ended December 31,
2015	$	20,875
2016		—
2017		—
2018		—
2019		4,430
2020-2024		36,605
Total	$	61,910

Schedule of weighted-average assumptions used to measure the SERP obligation

	Year Ended December 31,
	2014			2013
Discount Rate		3.64	%		4.34	%
Salary Increases		5.00	%		5.00	%

Schedule of components of net periodic pension cost recognized

The components of net periodic pension cost recognized on our consolidated statement of operations consist of the following (in thousands):

	Year Ended December 31,
	2014		2013		2012
Service cost	$	5,517	$	5,406	$	4,315
Interest cost		2,367		1,584		1,475
Amortization of prior service cost		1,234		827		827
Amortization of net actuarial loss		210		794		—
Total	$	9,328	$	8,611	$	6,617

Schedule of components reclassified from accumulated other comprehensive loss

Reclassification adjustments related to the SERP from accumulated other comprehensive loss to the statement of operations by line item and the tax impact of these reclassifications is presented below (in thousands):

Components Reclassified from Accumulated Other Comprehensive Loss(1)	As of December 31, 2014			As of December 31, 2013
Prior service cost:
Research and development	$	408		$	312
Selling, general and administrative		826			515
Total		1,234			827
Amortization of net actuarial loss:
Research and development		69			300
Selling, general and administrative		141			494
Total		210			794
Total prior service cost and amortization of net actuarial loss		1,444			1,621
Tax benefit		(540	)		(601	)
Total, net of tax	$	904		$	1,020

(1) Refer to Note 12—Accumulated Other Comprehensive Loss.  

Schedule of amounts recognized in other comprehensive gain (loss)

Amounts relating to the SERP that have been recognized in other comprehensive gain (loss) are as follows (in thousands):

	Year Ended December 31,
	2014			2013			2012
Net unrecognized actuarial gain (loss)	$	5,035		$	3,956		$	(8,464	)
Net unrecognized prior service cost		(2,627	)		827			827
Total		2,408			4,783			(7,637	)
Tax		(920	)		(1,688	)		2,807
Total, net of tax	$	1,488		$	3,095		$	(4,830	)

Schedule of amounts included in accumulated other comprehensive loss that have not yet been recognized as a component of net periodic pension cost

The table below presents amounts relating to the SERP included in accumulated other comprehensive loss that have not yet been recognized as a component of net periodic pension cost on our consolidated statements of operations (in thousands):

	Year Ended December 31,
	2014			2013			2012
Net unrecognized actuarial loss	$	2,767		$	7,803		$	11,758
Net unrecognized prior service cost		8,326			5,698			6,525
Total		11,093			13,501			18,283
Tax		(4,150	)		(5,074	)		(6,743	)
Total, net of tax	$	6,943		$	8,427		$	11,540

Schedule of estimated amounts included in accumulated other comprehensive income that are expected to be recognized as components of net periodic pension expense

Estimated amounts included in accumulated other comprehensive loss as of December 31, 2014 that are expected to be recognized as components of net periodic pension expense on our statement of operations for the year ended December 31, 2015 comprise the following (in thousands):

Amortization of prior service cost	$	1,234
Amortization of net actuarial loss		—
Total	$	1,234