10. Employee Pension Benefits

The following table sets forth the components of net periodic pension benefit of the ESI Pension Plan and ESI Excess Pension Plan in the periods indicated:


	Three Months						Six Months
	Ended June 30,						Ended June 30,
	2014			2013			2014			2013
Interest cost	$	506		$	425		$	1,012		$	877
Expected return on assets		(1,312	)		(1,076	)		(2,624	)		(2,173	)
Recognized net actuarial loss		0			468			0			1,012
Amortization of prior service (credit)		(388	)		(389	)		(777	)		(778	)

Net periodic pension benefit (income)	$	(1,194	)	$	(572	)	$	(2,389	)	$	(1,062	)

The benefit accruals under the ESI Pension Plan and ESI Excess Pension Plan were frozen effective March 31, 2006. As a result, no service cost has been included in the net periodic pension benefit.

We did not make any contributions to the ESI Pension Plan or the ESI Excess Pension Plan in the three or six months ended June 30, 2014 or 2013. We do not expect to make any material contributions to the ESI Pension Plan or the ESI Excess Pension Plan in 2014.

The following table sets forth the changes in the components of Accumulated other comprehensive loss on our Condensed Consolidated Balance Sheet in the six months ended June 30, 2014:


	Defined Benefit Pension Items
	Accumulated Other Comprehensive Income (Loss)			Income Tax Benefit (Expense)			Accumulated Other Comprehensive Income (Loss) Net of Income Tax
Balance at January 1, 2014	$	5,032		$	(1,886	)	$	3,146
Amortization of:
Prior service costs (credits)		(777	)		301			(476	)

Balance at June 30, 2014	$	4,255		$	(1,585	)	$	2,670

The reclassification of prior service costs or credits from Accumulated other comprehensive income are included in the computation of net periodic pension income. Net periodic pension income was included in compensation expense in Cost of educational services and Student services and administrative expenses in our Condensed Consolidated Statements of Income in the three and six months ended June 30, 2014.