Pension and Postretirement Benefits

9 Months Ended

Sep. 30, 2013

Pension and Postretirement Benefits

7. Pension and Postretirement Benefits

The estimated components of the recorded net periodic benefit cost (credit) for pension and postretirement benefits are as follows:

	Three Months Ended September 30,
	Pension						Postretirement Benefits
	2013			2012			2013			2012
		(Dollars in Thousands)
Service cost	$	4,030		$	3,074		$	57		$	57
Interest cost		5,756			5,561			253			309
Expected return on assets		(6,668	)		(5,617	)		--			--
Amortization of:
Prior service cost (credit)		112			110			(814	)		(814	)
Actuarial loss (gain)		3,920			2,920			6			(71	)
Settlement charge		729			255			--			--
Net periodic benefit cost (credit)	$	7,879		$	6,303		$	(498	)	$	(519	)

	Nine Months Ended September 30,
	Pension						Postretirement Benefits
	2013			2012			2013			2012
		(Dollars in Thousands)
Service cost	$	12,091		$	9,813		$	170		$	171
Interest cost		17,268			17,754			760			926
Expected return on assets		(20,003	)		(17,935	)		--			--
Amortization of:
Prior service cost (credit)		337			350			(2,441	)		(2,442	)
Actuarial loss (gain)		11,760			9,323			19			(212	)
Settlement charge		729			779			--			--
Net periodic benefit cost (credit)	$	22,182		$	20,084		$	(1,492	)	$	(1,557	)