Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 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 September 30,
	Pension Benefits						Other Benefits
	2012			2011			2012		2011
Service cost	$	2,928		$	2,187		$	81	$	184
Interest cost		4,100			4,022			254		250
Expected return on assets		(4,242	)		(4,124	)		0		0
Prior service cost		516			519			0		0
Net actuarial (gain)/loss		3,434			2,371			0		(203	)
Net periodic benefit cost	$	6,736		$	4,975		$	335	$	231

	Nine Months ended September 30,
	Pension Benefits						Other Benefits
	2012			2011			2012		2011
Service cost	$	8,309		$	6,865		$	325	$	650
Interest cost		12,397			12,073			767		752
Expected return on assets		(12,479	)		(12,050	)		0		0
Prior service cost		1,547			1,556			0		0
Net actuarial (gain)/loss		9,392			7,161			0		(607	)
Net periodic benefit cost	$	19,166		$	15,605		$	1,092	$	795

Schedule of Defined-Benefit Plans Disclosures

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

Pension Assets by Component

(Dollar amounts in thousands)

		September 30, 2012			December 31, 2011
		Amount	%		Amount	%
Corporate debt	$	169,681	60.5	$	159,759	61.9
Other fixed maturities		337	0.1		348	0.1
Equity securities		94,044	33.5		79,459	30.8
Short-term investments		1,442	0.5		3,767	1.5
Guaranteed annuity contract		12,599	4.5		12,745	4.9
Other		2,503	0.9		1,989	0.8
Total	$	280,606	100.0	$	258,067	100.0