Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2013

Retirement Plans [Abstract]

Change in Benefit Obligation

		Pension		Postretirement		Pension		Postretirement
		Plan		Plan		Plan		Plan
		2013		2013		2012		2012
		($ in Thousands)
Change in Fair Value of Plan Assets
Fair value of plan assets at beginning of year		$	224,426	$	-	$	173,422	$	-
Actual return on plan assets			42,400		-		20,781		-
Employer contributions			28,000		351		40,000		495
Gross benefits paid			(12,826)		(351)		(9,777)		(495)
	Fair value of plan assets at end of year	$	282,000	$	-	$	224,426	$	-
Change in Benefit Obligation
Net benefit obligation at beginning of year		$	159,748	$	3,935	$	136,846	$	3,969
Service cost			12,078		-		10,287		-
Interest cost			6,237		142		6,547		182
Curtailments, Settlements, Special Termination Benefits			-		-		42		-
Actuarial (gain) loss			(10,613)		(438)		15,803		279
Gross benefits paid			(12,826)		(351)		(9,777)		(495)
	Net benefit obligation at end of year	$	154,624	$	3,288	$	159,748	$	3,935
Funded (unfunded) status		$	127,376	$	(3,288)	$	64,678	$	(3,935)
Noncurrent assets		$	127,376	$	-	$	67,878	$	-
Current liabilities			-		(343)		-		(458)
Noncurrent liabilities			-		(2,945)		(3,200)		(3,477)
Asset (Liability) Recognized in the Consolidated Balance Sheets		$	127,376	$	(3,288)	$	64,678	$	(3,935)

AOCI Components

Amounts recognized in accumulated other comprehensive income (loss), net of tax, as of December 31, 2013 and 2012 follow.
		Pension		Postretirement		Pension		Postretirement
		Plan		Plan		Plan		Plan
		2013		2013		2012		2012
		($ in Thousands)
Prior service cost		$	188	$	-	$	232	$	-
Net actuarial gain			12,894		235		37,240		35
Amount not yet recognized in net periodic benefit cost, but
	recognized in accumulated other comprehensive income	$	13,082	$	235	$	37,472	$	35

Changes in OCI

Other changes in plan assets and benefit obligations recognized in other comprehensive income (“OCI”), net of tax, in 2013 and 2012 were as follows.
		Pension Plan		Postretirement Plan		Pension Plan		Postretirement Plan
		2013		2013		2012		2012
		($ in Thousands)
Net gain (loss)		$	35,366	$	438	$	(9,735)	$	(279)
Amortization of prior service cost			72		-		72		170
Amortization of actuarial gain			4,344		-		3,073		-
Income tax (expense) benefit			(15,394)		(168)		2,324		42
	Total Recognized in OCI	$	24,388	$	270	$	(4,266)	$	(67)

Net period benefit cost for the pension and postretirement plans

The components of net periodic benefit cost for the Pension and Postretirement Plans for 2013, 2012, and 2011 were as follows.
		Pension		Postretirement		Pension		Postretirement		Pension		Postretirement
		Plan		Plan		Plan		Plan		Plan		Plan
		2013		2013		2012		2012		2011		2011
						($ in Thousands)
Service cost		$	12,078	$	-	$	10,287	$	-	$	9,898	$	-
Interest cost			6,237		142		6,547		182		6,414		198
Expected return on plan assets			(17,647)		-		(14,713)		-		(12,896)		-
Amortization of:
	Prior service cost		72		-		72		170		72		395
	Actuarial gain		4,344		-		2,708		-		2,024		-
Settlement charge			-		-		408		-		-		-
Total net pension cost		$	5,084	$	142	$	5,309	$	352	$	5,512	$	593

Weighted Average Benefit Assumptions

		Pension Plan		Postretirement Plan		Pension Plan		Postretirement Plan
		2013		2013		2012		2012
Weighted average assumptions used to determine
	benefit obligations:
Discount rate		4.80	%	4.80	%	4.00	%	4.00	%
Rate of increase in compensation levels		4.00		N/A		4.00		N/A
Weighted average assumptions used to determine net
	periodic benefit costs:
Discount rate		4.00	%	4.00	%	4.90	%	4.90	%
Rate of increase in compensation levels		4.00		N/A		4.00		N/A
Expected long-term rate of return on plan assets		7.50		N/A		7.50		N/A

Plan Asset Allocation Percentages

Asset Category		2013		2012
Equity securities		70	%	66	%
Debt securities		27		30
Other		3		4
	Total	100	%	100	%

Pension Plan Investments

				Fair Value Measurements Using
		December 31, 2013		Level 1		Level 2		Level 3
		($ in Thousands)
Pension Plan Investments:
Money market account		$	7,127	$	7,127	$	-	$	-
Mutual funds			187,958		187,958		-		-
Common /collective trust funds			86,915		-		86,915		-
	Total Pension Plan Investments	$	282,000	$	195,085	$	86,915	$	-
				Fair Value Measurements Using
		December 31, 2012		Level 1		Level 2		Level 3
		($ in Thousands)
Pension Plan Investments:
Money market account		$	9,958	$	9,958	$	-	$	-
Mutual funds			124,620		124,620		-		-
Common /collective trust funds			89,848		-		89,848		-
	Total Pension Plan Investments	$	224,426	$	134,578	$	89,848	$	$ -

Expected Benefit Payments

	Pension Plan		Postretirement Plan
	($ in Thousands)
Estimated future benefit payments:
2014	$	13,408	$	343
2015		14,007		330
2016		13,348		313
2017		13,160		279
2018		13,450		255
2019-2023		73,305		1,173

One Percentage Point Change in Assumed Health Care Cost

	2013				2012
	100 bp Increase		100 bp Decrease		100 bp Increase		100 bp Decrease
	($ in Thousands)
Effect on total of service and interest cost	$	14	$	(12)	$	15	$	(13)
Effect on postretirement benefit obligation	$	290	$	(255)	$	364	$	(315)