Retirement and Post-Retirement Employee Benefit Plans (Table)

12 Months Ended

Sep. 30, 2012

Retirement and PostRetirement Employee Benefit Plans Tables [Abstract]

Schedule of Net Periodic Benefit Cost Not yet Recognized Recorded as Regulatory Assets

				Supplemental
		Defined		Executive
		Benefits		Retirement		Postretirement
		Plans		Plans		Plans		Total
		(In thousands)
September 30, 2012
	Unrecognized transition obligation	$	-	$	-	$	1,709	$	1,709
	Unrecognized prior service cost		(232)		-		(7,411)		(7,643)
	Unrecognized actuarial loss		187,050		43,995		63,402		294,447
		$	186,818	$	43,995	$	57,700	$	288,513
September 30, 2011
	Unrecognized transition obligation	$	-	$	-	$	3,220	$	3,220
	Unrecognized prior service cost		(373)		-		(8,861)		(9,234)
	Unrecognized actuarial loss		182,486		30,654		47,540		260,680
		$	182,113	$	30,654	$	41,899	$	254,666

Schedule of Allocation of Plan Assets

						Actual Allocation
	Targeted					September 30
Security Class	Allocation Range					2012		2011
Domestic equities	35	%	-	55	%	42.6	%	40.4	%
International equities	10	%	-	20	%	13.9	%	13.6	%
Fixed income	10	%	-	30	%	18.6	%	21.3	%
Company stock	5	%	-	15	%	12.0	%	13.5	%
Other assets	5	%	-	15	%	12.9	%	11.2	%

Schedule of Assumptions Used for Employee Pension Plans

	Pension Liability				Pension Cost
	2012		2011		2012		2011		2010
Discount rate	4.04	%	5.05	%	5.05	%	5.39	%(1)	5.52	%
Rate of compensation increase	3.50	%	3.50	%	3.50	%	4.00	%	4.00	%
Expected return on plan assets	7.75	%	7.75	%	7.75	%	8.25	%	8.25	%

Schedule of Accumulated and Projected Benefit Obligations and Funded Status for Employee Pension Plans

		2012		2011
		(In thousands)
Accumulated benefit obligation		$	468,440	$	414,489
Change in projected benefit obligation:
	Benefit obligation at beginning of year	$	429,432	$	407,536
	Service cost		15,084		14,384
	Interest cost		21,568		22,264
	Actuarial loss		46,197		12,944
	Benefits paid		(24,553)		(27,534)
	Divestitures		(7,697)		-
	Curtailments		-		(162)
	Benefit obligation at end of year		480,031		429,432
Change in plan assets:
	Fair value of plan assets at beginning of year		280,204		301,708
	Actual return on plan assets		48,656		5,154
	Employer contributions		46,534		876
	Benefits paid		(24,553)		(27,534)
	Divestitures		(7,697)		-
	Fair value of plan assets at end of year		343,144		280,204
Reconciliation:
Funded status			(136,887)		(149,228)
Unrecognized prior service cost			-		-
Unrecognized net loss			-		-
Net amount recognized		$	(136,887)	$	(149,228)

Components of Net Periodic Pension Cost Table for Employee Pension Plans

			Fiscal Year Ended September 30
			2012		2011		2010
				(In thousands)
Components of net periodic pension cost:
	Service cost		$	15,084	$	14,384	$	13,499
	Interest cost			21,568		22,264		20,870
	Expected return on assets			(21,474)		(24,817)		(25,280)
	Amortization of prior service cost			(141)		(429)		(960)
	Recognized actuarial loss			14,451		9,498		9,290
	Curtailment gain			-		(40)		-
		Net periodic pension cost	$	29,488	$	20,860	$	17,419

Schedule of Employee Pension Plans Investments at Fair Value

				Assets at Fair Value as of September 30, 2012
				Level 1		Level 2		Level 3		Total
				(In thousands)
Investments:
	Common stocks -
		domestic equities		$	114,799	$	-	$	-	$	114,799
	Money market funds				-		21,010		-		21,010
	Registered investment
		companies:
			Domestic funds		19,984		-		-		19,984
			International funds		36,714		-		-		36,714
	Common/collective trusts -
		domestic funds			-		52,155		-		52,155
	Government securities:
		Mortgage-backed securities			-		19,509		-		19,509
		U.S. treasuries			7,597		487		-		8,084
	Corporate bonds				-		35,960		-		35,960
	Limited partnerships				140		41,786		-		41,926
	Real estate				-		-		155		155
Total investments at
	fair value			$	179,234	$	170,907	$	155	$	350,296

				Assets at Fair Value as of September 30, 2011
				Level 1		Level 2		Level 3		Total
				(In thousands)
Investments:
	Common stocks -
		domestic equities		$	94,336	$	-	$	-	$	94,336
	Money market funds				-		9,383		-		9,383
	Registered investment
		companies:
			Domestic funds		12,921		-		-		12,921
			International funds		27,528		-		-		27,528
	Common/collective trusts -
		domestic funds			-		40,096		-		40,096
	Government securities
		Mortgage-backed securities			-		18,860		-		18,860
		U.S. treasuries			4,946		47		-		4,993
	Corporate bonds				-		33,636		-		33,636
	Limited partnerships				113		37,693		-		37,806
	Real estate				-		-		200		200
Total investments at
	fair value			$	139,844	$	139,715	$	200	$	279,759

Schedule of Assumptions Used for Supplemental Plans

	Pension Liability				Pension Cost
	2012		2011		2012		2011		2010
Discount rate	4.04	%	5.05	%	5.05	%	5.39	%	5.52	%
Rate of compensation increase	3.50	%	3.50	%	3.50	%	4.00	%	4.00	%

Schedule of Accumulated and Projected Benefit Obligations and Funded Status for Supplemental Plans

		2012		2011
			(In thousands)
Accumulated benefit obligation		$	121,815	$	104,363
Change in projected benefit obligation:
	Benefit obligation at beginning of year	$	112,115	$	108,919
	Service cost		2,108		2,768
	Interest cost		5,142		5,825
	Actuarial loss		15,459		2,140
	Benefits paid		(4,638)		(7,537)
	Benefit obligation at end of year		130,186		112,115
Change in plan assets:
	Fair value of plan assets at beginning of year		-		-
	Employer contribution		4,638		7,537
	Benefits paid		(4,638)		(7,537)
	Fair value of plan assets at end of year		-		-
Reconciliation:
	Funded status		(130,186)		(112,115)
	Unrecognized prior service cost		-		-
	Unrecognized net loss		-		-
	Accrued pension cost	$	(130,186)	$	(112,115)

Components of Net Periodic Pension Cost Table for Supplemental Plans

			Fiscal Year Ended September 30
			2012		2011		2010
				(In thousands)
Components of net periodic pension cost:
	Service cost		$	2,108	$	2,768	$	2,476
	Interest cost			5,142		5,825		5,224
	Amortization of transition asset			-		-		-
	Amortization of prior service cost			-		-		187
	Recognized actuarial loss			2,118		2,239		1,999
		Net periodic pension cost	$	9,368	$	10,832	$	9,886

Schedule of Expected Benefit Payments

	Pension		Supplemental
	Plans		Plans
	(In thousands)
2013	$	38,800	$	31,108
2014		35,551		13,453
2015		33,953		7,658
2016		33,536		4,680
2017		32,740		7,385
2018-2022		156,231		41,830

Schedule of Allocation of Postretirement Benefit Plan Assets

	Actual Allocation
	September 30
Security Class	2012	2011
Diversified investment funds	97.0%	96.8%
Cash and cash equivalents	3.0%	3.2%

Schedule of Assumptions Used for Postretirement Benefit Plan

	Postretirement		Postretirement
	Liability		Cost
	2012	2011	2012	2011	2010
Discount rate	4.04%	5.05%	5.05%	5.39%	5.52%
Expected return on plan assets	4.70%	5.00%	5.00%	5.00%	5.00%
Initial trend rate	8.00%	8.00%	8.00%	8.00%	7.50%
Ultimate trend rate	5.00%	5.00%	5.00%	5.00%	5.00%
Ultimate trend reached in	2019	2018	2018	2016	2015

Schedule of Accumulated and Projected Benefit Obligations and Funded Status for Postretirement Benefit Plan

		2012		2011
			(In thousands)
Change in benefit obligation:
	Benefit obligation at beginning of year	$	263,694	$	228,234
	Service cost		16,353		14,403
	Interest cost		13,861		12,813
	Plan participants' contributions		3,649		2,892
	Actuarial loss		28,815		17,966
	Benefits paid		(13,197)		(13,046)
	Subsidy payments		-		432
	Divestitures		(4,860)		-
	Benefit obligation at end of year		308,315		263,694
Change in plan assets:
	Fair value of plan assets at beginning of year		53,065		53,033
	Actual return on plan assets		12,912		(1,500)
	Employer contributions		22,139		11,254
	Plan participants' contributions		3,649		2,892
	Benefits paid		(13,197)		(13,046)
	Subsidy payments		-		432
	Divestitures		(1,496)		-
	Fair value of plan assets at end of year		77,072		53,065
Reconciliation:
Funded status			(231,243)		(210,629)
Unrecognized transition obligation			-		-
Unrecognized prior service cost			-		-
Unrecognized net loss			-		-
Accrued postretirement cost		$	(231,243)	$	(210,629)

Components of Net Periodic Pension Cost Table for Postretirement Benefit Plan

			Fiscal Year Ended
			September 30
			2012		2011		2010
			(In thousands)
Components of net periodic postretirement cost:
	Service cost		$	16,353	$	14,403	$	13,439
	Interest cost			13,861		12,813		12,071
	Expected return on assets			(2,607)		(2,727)		(2,460)
	Amortization of transition obligation			1,511		1,511		1,511
	Amortization of prior service cost			(1,450)		(1,450)		(1,450)
	Recognized actuarial loss			2,648		347		374
		Net periodic postretirement cost	$	30,316	$	24,897	$	23,485

Assumed Heath Care Cost Effect on Postretirement Benefit Plan Cost

	One-Percentage		One-Percentage
	Point Increase		Point Decrease
	(In thousands)
Effect on total service and interest cost components	$	1,426	$	(1,287)
Effect on postretirement benefit obligation	$	21,736	$	(18,866)

Schedule of Postretirement Benefit Plans Investments at Fair Value

				Assets at Fair Value as of September 30, 2012
				Level 1		Level 2		Level 3		Total
				(In thousands)
Investments:
	Money market funds			$	-	$	2,360	$	-	$	2,360
	Registered investment
		companies:
			Domestic funds		7,756		-		-		7,756
			International funds		68,452		-		-		68,452
Total investments at
	fair value			$	76,208	$	2,360	$	-	$	78,568

				Assets at Fair Value as of September 30, 2011
				Level 1		Level 2		Level 3		Total
				(In thousands)
Investments:
	Money market funds			$	-	$	1,707	$	-	$	1,707
	Registered investment
		companies:
			Domestic funds		3,506		-		-		3,506
			International funds		47,852		-		-		47,852
Total investments at
	fair value			$	51,358	$	1,707	$	-	$	53,065

Schedule of Expected Benefit Payments for Postretirement Benefit Plan

							Total
	Company		Retiree		Subsidy		Postretirement
	Payments		Payments		Payments		Benefits
	(In thousands)
2013	$	28,317	$	3,696	$	-	$	32,013
2014		15,174		4,487		-		19,661
2015		17,349		5,251		-		22,600
2016		19,221		6,128		-		25,349
2017		20,520		7,083		-		27,603
2018-2022		107,055		48,114		-		155,169