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Employee Benefits Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Defined Benefit Plan Disclosure [Line Items]

The components of net periodic benefit cost are presented below (in thousands):



	Years Ended December 31,
	2012					2011					2010
	Retirement Income Plan			Non-Qualified Retirement Plans		Retirement Income Plan			Non-Qualified Retirement Plans		Retirement Income Plan			Non-Qualified Retirement Plans
Service cost	$	8,530		$	299	$	6,590		$	260	$	5,888		$	176
Interest cost	12,594			963		12,871			1,116		12,507			1,122
Amendments	—			—		—			—		—			838
Expected return on plan assets	(14,443		)	—		(14,095		)	—		(13,867		)	—
Amortization of:
Net loss	10,729			627		6,190			354		3,331			218
Prior service cost	21			94		21			94		21			94
Net periodic benefit cost	$	17,431		$	1,983	$	11,577		$	1,824	$	7,880		$	2,448

Fair Value, Measurement Inputs, Disclosure

The fair value of the Company’s Retirement Plan assets at December 31, 2012 and 2011, and the level within the three levels of the fair value hierarchy defined by FASB guidance on fair value measurements are presented in the table below (in thousands):



Description of Securities	Fair Value as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and Cash Equivalents	$	9,163	$	9,163	$	—	$	—
U.S. Treasury Securities	24,854		24,854		—		—
Guaranteed Investment Contract	1,059		—		1,059		—
Common Stock	52,149		52,149		—		—
Mutual Funds - Fixed Income	59,150		59,150		—		—
Mutual Funds - Equity	65,634		65,634		—		—
Limited Partnership Interest in Real Estate (a)	8,559		—		—		8,559
Total Plan Investments	$	220,568	$	210,950	$	1,059	$	8,559



Description of Securities	Fair Value as of December 31, 2011		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and Cash Equivalents	$	6,708	$	6,708	$	—	$	—
U.S. Treasury Securities	24,178		24,178		—		—
Guaranteed Investment Contract	608		—		608		—
Common Stock	70,893		70,893		—		—
Mutual Funds - Fixed Income	53,598		53,598		—		—
Mutual Funds - Equity	26,873		26,873		—		—
Limited Partnership Interest in Real Estate (a)	8,511		—		—		8,511
Total Plan Investments	$	191,369	$	182,250	$	608	$	8,511

_____________________

(a)

This investment is a commercial real estate partnership that purchases land, develops limited infrastructure, and sells it for commercial development. The Company is restricted from selling its partnership interest during the life of the partnership which is generally 5-7 years. Return of investment is realized as land is sold. The fair value of the limited partnership interest in real estate is based on the net asset value of the partnership which reflects the appraised value of the land.

The fair value of the Company’s decommissioning trust funds and investments in debt securities, at December 31, 2012 and 2011, and the level within the three levels of the fair value hierarchy defined by FASB guidance are presented in the table below (in thousands):



Description of Securities	Fair Value as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Trading Securities:
Investments in Debt Securities	$	1,295	$	—	$	—	$	1,295
Available for sale:
U.S. Government Bonds	$	24,385	$	24,385	$	—	$	—
Federal Agency Mortgage Backed Securities	19,497		—		19,497		—
Municipal Bonds	33,863		—		33,863		—
Corporate Asset Backed Obligations	12,830		—		12,830		—
Subtotal, Debt Securities	90,575		24,385		66,190		—
Common Stock	76,813		76,813		—		—
Mutual Funds - Equity	15,194		15,194		—		—
Cash and Cash Equivalents	4,471		4,471		—		—
Total available for sale	$	187,053	$	120,863	$	66,190	$	—



Description of Securities	Fair Value as of December 31, 2011		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Trading Securities:
Investments in Debt Securities	$	1,120	$	—	$	—	$	1,120
Available for sale:
U.S. Government Bonds	$	12,776	$	12,776	$	—	$	—
Federal Agency Mortgage Backed Securities	26,825		—		26,825		—
Municipal Bonds	37,316		—		37,316		—
Corporate Asset Backed Obligations	12,400		—		12,400		—
Subtotal, Debt Securities	89,317		12,776		76,541		—
Common Stock	74,907		74,907		—		—
Cash and Cash Equivalents	3,739		3,739		—		—
Total available for sale	$	167,963	$	91,422	$	76,541	$	—

Changes in Fair Value of Investments in Real Estate

The table below reflects the changes in the fair value of investments in real estate during the period (in thousands):



	Fair Value of Investments in Real Estate
Balance at December 31, 2010	$	7,757
Unrealized gain in fair value	856
Sale of land	(102		)
Balance at December 31, 2011	8,511
Unrealized gain in fair value	48
Balance at December 31, 2012	$	8,559

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive loss consists of the following components (in thousands):



	Net Unrealized Gains (Losses) on Marketable Securities			Unrecognized Pension and Postretirement Benefit Costs			Net Losses on Cash Flow Hedges			Accumulated Other Comprehensive Loss
Balance at December 31, 2009	$	5,868		$	(42,586	)	$	(13,169	)	$	(49,887	)
Other comprehensive income	6,787			17,351			338			24,476
Income tax expense	(1,357		)	(6,287		)	(122		)	(7,766		)
Balance at December 31, 2010	11,298			(31,522		)	(12,953		)	(33,177		)
Other comprehensive income (loss)	2,928			(76,985		)	361			(73,696		)
Income tax benefit (expense)	(563		)	30,134			(203		)	29,368
Balance at December 31, 2011	13,663			(78,373		)	(12,795		)	(77,505		)
Other comprehensive income	10,969			4,100			385			15,454
Income tax expense	(2,438		)	(1,464		)	(131		)	(4,033		)
Balance at December 31, 2012	$	22,194		$	(75,737	)	$	(12,541	)	$	(66,084	)

Retirement Plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The obligations and funded status of the plans are presented below (in thousands):



	December 31,
	2012						2011
	Retirement Income Plan			Non-Qualified Retirement Plans			Retirement Income Plan			Non-Qualified Retirement Plans
Change in projected benefit obligation:
Benefit obligation at end of prior year	$	296,293		$	26,547		$	242,718		$	24,008
Service cost	8,530			299			6,590			260
Interest cost	12,594			963			12,871			1,116
Actuarial loss	12,417			1,338			42,508			2,980
Benefits paid	(8,988		)	(1,906		)	(8,394		)	(1,817		)
Benefit obligation at end of year	320,846			27,241			296,293			26,547
Change in plan assets:
Fair value of plan assets at end of prior year	191,369			—			171,341			—
Actual return on plan assets	20,187			—			16,422			—
Employer contribution	18,000			1,906			12,000			1,817
Benefits paid	(8,988		)	(1,906		)	(8,394		)	(1,817		)
Fair value of plan assets at end of year	220,568			—			191,369			—
Funded status at end of year	$	(100,278	)	$	(27,241	)	$	(104,924	)	$	(26,547	)

Schedule of Amounts Recognized in Balance Sheet

Amounts recognized in the Company’s consolidated balance sheets consist of the following (in thousands):



	December 31,
	2012						2011
	Retirement Income Plan			Non-Qualified Retirement Plans			Retirement Income Plan			Non-Qualified Retirement Plans
Current liabilities	$	—		$	(1,829	)	$	—		$	(1,844	)
Noncurrent liabilities	(100,278		)	(25,412		)	(104,924		)	(24,703		)
Total	$	(100,278	)	$	(27,241	)	$	(104,924	)	$	(26,547	)

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets

The accumulated benefit obligation in excess of plan assets is as follows (in thousands):



	December 31,
	2012						2011
	Retirement Income Plan			Non-Qualified Retirement Plans			Retirement Income Plan			Non-Qualified Retirement Plans
Projected benefit obligation	$	(320,846	)	$	(27,241	)	$	(296,293	)	$	(26,547	)
Accumulated benefit obligation	(274,890		)	(26,363		)	(250,753		)	(26,547		)
Fair value of plan assets	220,568			—			191,369			—

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive income consist of the following (in thousands):



	Years Ended December 31,
	2012				2011
	Retirement Income Plan		Non-Qualified Retirement Plans		Retirement Income Plan		Non-Qualified Retirement Plans
Net loss	$	125,763	$	9,701	$	129,820	$	8,990
Prior service cost	3		314		24		408
Total	$	125,766	$	10,015	$	129,844	$	9,398

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The changes in benefit obligations recognized in other comprehensive income are presented below (in thousands):



	Years Ended December 31,
	2012						2011						2010
	Retirement Income Plan			Non-Qualified Retirement Plans			Retirement Income Plan			Non-Qualified Retirement Plans			Retirement Income Plan			Non-Qualified Retirement Plans
Net loss	$	6,672		$	1,337		$	40,181		$	2,980		$	12,844		$	1,822
Amortization of:
Net loss	(10,729		)	(627		)	(6,190		)	(354		)	(3,331		)	(218		)
Prior service cost	(21		)	(94		)	(21		)	(94		)	(21		)	(94		)
Total recognized in other comprehensive income	$	(4,078	)	$	616		$	33,970		$	2,532		$	9,492		$	1,510

Schedule of Recognized Net Periodic Benefit Obligation and Other Comprehensive Income

The total amount recognized in net periodic benefit costs and other comprehensive income are presented below (in thousands):



	Years Ended December 31,
	2012				2011				2010
	Retirement Income Plan		Non-Qualified Retirement Plans		Retirement Income Plan		Non-Qualified Retirement Plans		Retirement Income Plan		Non-Qualified Retirement Plans
Total recognized in net periodic benefit cost and other comprehensive income	$	13,353	$	2,599	$	45,547	$	4,356	$	17,372	$	3,958

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year

The following are amounts in accumulated other comprehensive income that are expected to be recognized as components of net periodic benefit cost during 2013 (in thousands):



	Retirement Income Plan		Non-Qualified Retirement Plans
Net loss	$	9,600	$	680
Prior service cost	3		90

Schedule of Allocation of Plan Assets

The expected long-term rate of return is based on the weighted average of the expected returns on investments based upon the target asset allocation of the pension fund. The Company’s target allocations for the plan’s assets are presented below:



	December 31, 2012
Equity securities	55	%
Fixed income	40	%
Alternative investments	5	%
Total	100	%

Schedule of Expected Benefit Payments

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):



	Retirement Income Plan		Non-Qualified Retirement Plans
2013	$	10,021	$	1,829
2014	11,064		1,786
2015	12,143		1,754
2016	13,285		1,794
2017	14,482		1,681
2018-2022	89,697		9,384

Retirement Plans | Net Periodic Benefit Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule of Assumptions Used

The following are the weighted-average actuarial assumptions used to determine the net periodic benefit cost for the twelve months ended December 31:



	2012						2011						2010
			Non-Qualified						Non-Qualified						Non-Qualified
	Retirement Income Plan		Supplemental Retirement Plan		Excess Benefit Plan		Retirement Income Plan		Supplemental Retirement Plan		Excess Benefit Plan		Retirement Income Plan		Supplemental Retirement Plan		Excess Benefit Plan
Discount rate	4.3	%	3.6	%	4.1	%	5.4	%	4.6	%	5.3	%	5.9	%	5.2	%	6.0	%
Expected long-term return on plan assets	7.5	%	N/A		N/A		7.5	%	N/A		N/A		7.5	%	N/A		N/A
Rate of compensation increase	5.0	%	N/A		5.0	%	5.0	%	N/A		5.0	%	5.0	%	N/A		5.0	%

Retirement Plans | Benefit Obligations

Defined Benefit Plan Disclosure [Line Items]

Schedule of Assumptions Used

The following are the weighted-average actuarial assumptions used to determine the benefit obligations:



	December 31,
	2012						2011
			Non-Qualified						Non-Qualified
	Retirement Income Plan		Supplemental Retirement Plan		Excess Benefit Plan		Retirement Income Plan		Supplemental Retirement Plan		Excess Benefit Plan
Discount rate	4.0	%	3.1	%	4.0	%	4.3	%	3.6	%	4.1	%
Rate of compensation increase	4.8	%	N/A		4.8	%	5.0	%	N/A		5.0	%

Other Postretirement Benefit Plans, Defined Benefit

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The following table contains a reconciliation of the change in the benefit obligation, the fair value of plan assets, and the funded status of the plans (in thousands):



	December 31,
	2012			2011
Change in benefit obligation:
Benefit obligation at end of prior year	$	133,272		$	95,254
Service cost	4,378			2,988
Interest cost	5,651			5,379
Actuarial (gain) loss	(5,009		)	32,694
Benefits paid	(3,929		)	(4,180		)
Retiree contributions	1,086			941
Medicare Part D subsidy	231			196
Benefit obligation at end of year	135,680			133,272
Change in plan assets:
Fair value of plan assets at end of prior year	32,817			33,660
Actual return on plan assets	2,605			—
Employer contribution	3,700			2,200
Benefits paid	(3,929		)	(4,180		)
Retiree contributions	1,086			941
Medicare Part D subsidy	231			196
Fair value of plan assets at end of year	36,510			32,817
Funded status (a)	$	(99,170	)	$	(100,455	)

_____________________


(a)	These amounts are recognized in the Company’s consolidated balance sheets as a non-current liability.

Schedule of Net Benefit Costs

Net periodic benefit cost is made up of the components listed below (in thousands):



	Years Ended December 31,
	2012			2011			2010
Service cost	$	4,378		$	2,988		$	3,558
Interest cost	5,651			5,379			6,664
Expected return on plan assets	(1,714		)	(1,823		)	(1,529		)
Amortization of:
Prior service benefit	(5,877		)	(5,927		)	(2,869		)
Net loss (gain)	615			(39		)	(175		)
Net periodic benefit cost	$	3,053		$	578		$	5,649

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss)

The changes in benefit obligations recognized in other comprehensive income are presented below (in thousands):



	Years Ended December 31,
	2012			2011		2010
Net loss (gain)	$	(5,900	)	$	34,517	$	(4,792	)
Prior service benefit	—			—		(26,605		)
Amortization of:
Prior service benefit	5,877			5,927		2,869
Net (loss) gain	(615		)	39		175
Total recognized in other comprehensive income	$	(638	)	$	40,483	$	(28,353	)

Schedule of Recognized Net Periodic Benefit Obligation and Other Comprehensive Income

The total recognized in net periodic benefit cost and other comprehensive income are presented below (in thousands):



	Years Ended December 31,
	2012		2011		2010
Total recognized in net periodic benefit cost and other comprehensive income	$	2,415	$	41,061	$	(22,704	)

Schedule of Allocation of Plan Assets

The Company’s target allocations for the plan’s assets are presented below:



	December 31, 2012
Equity securities	65	%
Fixed income	30	%
Alternative investments	5	%
Total	100	%

Fair Value, Measurement Inputs, Disclosure

The fair value of the Company’s Other Postretirement Benefits Plan assets at December 31, 2012 and 2011, and the level within the three levels of the fair value hierarchy defined by FASB guidance on fair value measurements are presented in the table below (in thousands):



Description of Securities	Fair Value as of December 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and Cash Equivalents	$	2,075	$	2,075	$	—	$	—
Municipal Securities – Tax Exempt	12,811		—		12,811		—
Common Stock	14,397		14,397		—		—
Mutual Funds – Equity	5,622		5,622		—		—
Limited Partnership Interest in Real Estate (a)	1,605		—		—		1,605
Total Plan Investments	$	36,510	$	22,094	$	12,811	$	1,605

Description of Securities	Fair Value as of December 31, 2011		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash and Cash Equivalents	$	3,000	$	3,000	$	—	$	—
Municipal Securities – Tax Exempt	12,062		—		12,062		—
Common Stock	16,159		16,159		—		—
Limited Partnership Interest in Real Estate (a)	1,596		—		—		1,596
Total Plan Investments	$	32,817	$	19,159	$	12,062	$	1,596

___________________

(a)

Changes in Fair Value of Investments in Real Estate

The table below reflects the changes in the fair value of the investments in real estate during the period (in thousands):



	Fair Value of Investments in Real Estate
Balance at December 31, 2010	$	1,455
Sale of land	(19		)
Unrealized gain in fair value	160
Balance at December 31, 2011	1,596
Unrealized gain in fair value	9
Balance at December 31, 2012	$	1,605

Schedule of Expected Benefit Payments

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):



2013	$	3,749
2014	4,197
2015	4,698
2016	5,185
2017	5,682
2018-2022	34,806

Schedule of Accumulated Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive income that have not been recognized as a component of net periodic cost consist of the following (in thousands):



	December 31,
	2012			2011
Net loss	$	13,630		$	20,144
Prior service credit	(24,770		)	(30,647		)
	$	(11,140	)	$	(10,503	)

Other Postretirement Benefit Plans, Defined Benefit | Net Periodic Benefit Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule of Assumptions Used

The following are the weighted-average actuarial assumptions used to determine the net periodic benefit cost for the twelve months ended December 31:



	2012		2011		2010
Discount rate at beginning of year	4.3	%	5.5	%	5.9	%
Expected long-term return on plan assets	5.2	%	5.2	%	5.2	%
Health care cost trend rates:
Initial	8.0	%	8.5	%	8.5	%
Ultimate	4.5	%	5.0	%	5.0	%
Year ultimate reached	2026		2018		2017

Other Postretirement Benefit Plans, Defined Benefit | Accrued Postretirement Benefit

Defined Benefit Plan Disclosure [Line Items]

Schedule of Assumptions Used

The following are the weighted-average actuarial assumptions used to determine the accrued postretirement benefit obligations:



	December 31,
	2012		2011
Discount rate at end of year	4.10	%	4.30	%
Health care cost trend rates:
Initial	7.75	%	8.00	%
Ultimate	4.50	%	4.50	%
Year ultimate reached	2026		2026