Employee Pension Benefits (Tables)

6 Months Ended

Jun. 30, 2013

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						Six Months
	Ended June 30,						Ended June 30,
	2013			2012			2013			2012
Interest cost	$	425		$	502		$	877		$	1,032
Expected return on assets		(1,076	)		(1,110	)		(2,173	)		(2,257	)
Recognized net actuarial loss		468			663			1,012			1,358
Amortization of prior service (credit)		(389	)		(389	)		(778	)		(777	)
Net periodic pension (benefit)	($	572	)	($	334	)	($	1,062	)	($	644	)

Schedule of Changes in Components of Accumulated Other Comprehensive Loss

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, 2013:

	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, 2013	($	13,058	)	$	5,128		($	7,930	)
Amortization of:
Actuarial (gains)/losses		1,012			(393	)		619
Prior service costs (credits)		(778	)		302			(476	)
Balance at June 30, 2013	($	12,824	)	$	5,037		($	7,787	)