Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2013

Retirement Plans [Abstract]

Projected Benefit Obligations, Fair Values of Plan Assets and Amounts Recognized in the Balance Sheet

($ in thousands)	2013		2012
Change in projected benefit obligation (PBO)
PBO at beginning of year	$	1,944,731	$	1,799,313
Service cost		47,651		43,688
Interest cost		75,812		78,027
Actuarial (gain)/loss		(180,709)		196,304
Benefits paid		(54,151)		(172,601)
Settlements		(164,608)		-
PBO at end of year	$	1,668,726	$	1,944,731
Change in plan assets
Fair value of plan assets at beginning of year	$	1,253,666	$	1,257,990
Actual return on plan assets		119,328		139,679
Employer contributions, net of transfers		62,290		28,598
Benefits paid		(54,151)		(172,601)
Settlements		(164,608)		-
Fair value of plan assets at end of year	$	1,216,525	$	1,253,666
Funded status	$	(452,201)	$	(691,065)
Amounts recognized in the consolidated balance sheet
Other current liabilities	$	(100,205)	$	(60,386)
Pension and other postretirement benefits	$	(351,996)	$	(630,679)
Accumulated other comprehensive loss	$	411,432	$	697,874

Net Periodic Benefit Cost

($ in thousands)	Expected in 2014		2013		2012		2011
Components of total periodic pension benefit cost
Service cost			$	47,651	$	43,688	$	38,879
Interest cost on projected benefit obligation				75,812		78,027		84,228
Expected return on plan assets				(94,695)		(95,777)		(100,558)
Amortization of prior service cost /(credit)	$	45		8		(199)		(199)
Amortization of unrecognized loss		19,274		36,930		29,890		15,364
Net periodic pension benefit cost				65,706		55,629		37,714
Pension settlement costs				44,163		-		-
Total periodic pension benefit cost			$	109,869	$	55,629	$	37,714

Weighted Average Asset Allocations, By Asset Category

	2013		2012
Asset category:
Equity securities	42	%	43	%
Debt securities	44	%	40	%
Alternative investments	13	%	14	%
Cash and other	1	%	3	%
Total	100	%	100	%

Expected Benefit Payments Over The Next Ten Years

($ in thousands)	Amount
2014	$	100,839
2015		104,480
2016		110,570
2017		114,703
2018		117,055
2019-2023		633,650
Total	$	1,181,297

Schedule of Assumptions Used

	2013		2012		2011
Discount rate - used at year end to value obligation	4.90	%	4.00	%	4.50	%
Discount rate - used to compute annual cost	4.00	%	4.50	%	5.25	%
Expected long-term rate of return on plan assets	8.00	%	7.75	%	8.00	%
Rate of increase in compensation levels	2.50	%	2.50	%	2.50	%

Schedule of Changes in Projected benefit Obligations for OPEB Table Text Block

($ in thousands)	2013		2012
Change in benefit obligation
Benefit obligation at beginning of year	$	438,550	$	391,596
Service cost		12,533		10,812
Interest cost		17,241		17,842
Plan participants' contributions		4,293		4,059
Actuarial (gain)/loss		(67,547)		30,958
Benefits paid		(19,447)		(15,974)
Plan change		-		(743)
Benefit obligation at end of year	$	385,623	$	438,550
Change in plan assets
Fair value of plan assets at beginning of year	$	5,055	$	5,101
Actual return on plan assets		(122)		466
Plan participants' contributions		4,293		4,059
Employer contribution		12,528		11,403
Benefits paid		(19,447)		(15,974)
Fair value of plan assets at end of year	$	2,307	$	5,055
Funded status	$	(383,316)	$	(433,495)
Amounts recognized in the consolidated balance sheet
Other current liabilities	$	(11,508)	$	(9,116)
Pension and other postretirement benefits	$	(371,808)	$	(424,379)
Accumulated other comprehensive loss	$	5,230	$	74,264

Schedule of Net Benefit Costs For OPEB Table Text Block

($ in thousands)	Expected in 2014		2013		2012		2011
Components of net periodic postretirement benefit cost
Service cost			$	12,533	$	10,812	$	8,958
Interest cost on projected benefit obligation				17,241		17,842		17,722
Expected return on plan assets				(136)		(172)		(324)
Amortization of prior service cost /(credit)	$	(3,560)		(6,101)		(10,068)		(10,198)
Amortization of unrecognized loss		2,886		7,846		7,537		4,424
Net periodic postretirement benefit cost			$	31,383	$	25,951	$	20,582

Schedule of Assumptions Used for OPEB Table Text Block

	2013	2012	2011
Discount rate - used at year end to value obligation	4.90% - 5.20%	4.00% - 4.20%	4.50% - 4.75%
Discount rate - used to compute annual cost	4.00% - 4.20%	4.50% - 4.75%	5.25%
Expected long-term rate of return on plan assets	3.00% - 4.00%	3.00% - 4.00%	3.00% - 6.00%

Schedule of Expected Benefit Payments for OPEB Table Text Block

($ in thousands)	Gross Benefit		Medicare Part D Subsidy		Total
2014	$	16,687	$	489	$	16,198
2015		18,004		585		17,419
2016		19,342		691		18,651
2017		20,575		825		19,750
2018		21,785		961		20,824
2019-2023		120,619		6,994		113,625
Total	$	217,012	$	10,545	$	206,467

Net Periodic Benefit Cost Not Yet Recognized

($ in thousands)	Pension Plan				OPEB
	2013		2012		2013		2012
Net actuarial loss	$	411,076	$	697,511	$	30,835	$	105,970
Prior service cost/(credit)		356		363		(25,605)		(31,706)
Total	$	411,432	$	697,874	$	5,230	$	74,264

Amounts Recognized as a Componenet of Accumulated Comprehensive Income

($ in thousands)	Pension Plan				OPEB
	2013		2012		2013		2012
Accumulated other comprehensive loss at
beginning of year	$	697,874	$	575,163	$	74,264	$	41,811
Net actuarial gain (loss) recognized during year		(36,930)		(29,890)		(7,846)		(7,537)
Prior service (cost) credit recognized during year		(8)		199		6,101		10,068
Net actuarial loss (gain) occurring during year		(205,341)		152,402		(67,289)		30,665
Prior service cost (credit) occurring during year		-		-		-		(743)
Settlement costs recognized during year		(44,163)		-		-		-
Net amount recognized in comprehensive income
for the year		(286,442)		122,711		(69,034)		32,453
Accumulated other comprehensive loss at
end of year	$	411,432	$	697,874	$	5,230	$	74,264