Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Schedule Of Post-Retirement Benefit Costs

The following tables present a summary of post-retirement benefit costs by component:

Components of Post-Retirement Benefit Costs

	Three Months ended June 30
	Pension Benefits						Other Benefits
	2012			2011			2012		2011
Service cost	$	2,690		$	2,339		$	120	$	218
Interest cost		4,145			4,025			256		250
Expected return on assets		(4,117	)		(3,896	)		0		0
Prior service cost		515			518			0		0
Net actuarial (gain)/loss		2,992			2,395			0		(268	)
Net periodic benefit cost	$	6,225		$	5,381		$	376	$	200

	Six Months ended June 30,
	Pension Benefits						Other Benefits
	2012			2011			2012		2011
Service cost	$	5,381		$	4,678		$	244	$	466
Interest cost		8,297			8,051			513		502
Expected return on assets		(8,237	)		(7,926	)		0		0
Prior service cost		1,031			1,037			0		0
Net actuarial (gain)/loss		5,958			4,790			0		(404	)
Net periodic benefit cost	$	12,430		$	10,630		$	757	$	564

Schedule Of Defined-Benefit Plans Disclosures

The following chart presents assets at fair value for the defined-benefit pension plans at June 30, 2012 and the prior-year end.

Pension Assets by Component

(Dollar amounts in thousands)

		June 30, 2012			December 31, 2011
		Amount	%		Amount	%
Corporate debt	$	158,293	58.1	$	159,759	61.9
Other fixed maturities		340	0.1		348	0.1
Equity securities		89,698	32.8		79,459	30.8
Short-term investments		10,385	3.8		3,767	1.5
Guaranteed annuity contract		12,633	4.6		12,745	4.9
Other		1,707	0.6		1,989	0.8
Total	$	273,056	100.0	$	258,067	100.0