Pension Benefit and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for the periods indicated are:

(Dollars in thousands)
	Pension Benefits						Retirement Health and Life Insurance Benefits
	Three Months Ended						Three Months Ended
Change in benefit obligation:	March 31, 2012			March 31, 2011			March 31, 2012			March 31, 2011
Service cost	$	1,189		$	1,060		$	182		$	176
Interest cost		2,118			2,116			88			97
Expected return on plan assets		(2,408	)		(2,591	)		-			-
Amortization of prior service cost		116			150			(113	)		(157	)
Amortization of net loss		1,349			553			115			81
Special benefits acceleration		-			-			-			-
Special termination benefit		-			-			2,300			-
Net periodic benefit cost	$	2,364		$	1,288		$	2,572		$	197