Employee Pension Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Pension Benefit of Pension Plan and Excess Pension Plan

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
	Ended March 31,
	2015			2014
Interest cost	$	409		$	506
Expected return on assets		(1,383	)		(1,312	)
Recognized net actuarial loss		1			0
Amortization of prior service (credit)		(389	)		(389	)
Net periodic pension (benefit)	$	(1,362	)	$	(1,195	)

Schedule of Changes in Components of Accumulated Other Comprehensive Income

The following table sets forth the changes in the components of Accumulated other comprehensive income on our Condensed Consolidated Balance Sheet in the three months ended March 31, 2015:

	Defined Benefit Pension Items
	Accumulated Other Comprehensive Income			Income Tax Benefit (Expense)			Accumulated Other Comprehensive Income Net of Income Tax
Balance at January 1, 2015	$	1,854		$	(653	)	$	1,201
Amortization of:
Net actuarial loss		1			0			1
Prior service costs (credits)		(389	)		150			(239	)
Balance at March 31, 2015	$	1,466		$	(503	)	$	963