Employee Pension Benefits (Tables)

9 Months Ended

Sep. 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 for the periods indicated:

	Three Months						Nine Months
	Ended September 30,						Ended September 30,
	2013			2012			2013			2012
Interest cost	$	439		$	516		$	1,316		$	1,548
Expected return on assets		(1,087	)		(1,128	)		(3,260	)		(3,385	)
Recognized net actuarial loss		506			679			1,518			2,037
Amortization of prior service (credit)		(389	)		(389	)		(1,167	)		(1,166	)
Net periodic pension (benefit)		($531	)		($322	)		($1,593	)		($966	)

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 nine months ended September 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		1,518			(589	)		929
Prior service costs (credits)		(1,167	)		453			(714	)
Balance at September 30, 2013		($12,707	)	$	4,992			($7,715	)