Pension and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2012

Schedule Of Components Of Net Periodic Benefit Cost

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

	Three Months Ended June 30,
	Pension						Postretirement Benefits
	2012			2011			2012			2011
		(Dollars in Thousands)
Service cost	$	3,174		$	2,437		$	59		$	34
Interest cost		5,743			5,027			322			214
Expected return on assets		(5,802	)		(5,298	)		—			—
Amortization of:
Prior service cost (credit)		113			116			(849	)		(167	)
Actuarial loss (gain)		3,016			1,368			(74	)		(8	)
Settlement charge		524			—			—			—
Net periodic benefit cost (credit)	$	6,768		$	3,650		$	(542	)	$	73

	Six Months Ended June 30,
	Pension						Postretirement Benefits
	2012			2011			2012			2011
		(Dollars in Thousands)
Service cost	$	6,740		$	5,630		$	114		$	175
Interest cost		12,193			11,617			617			1,113
Expected return on assets		(12,318	)		(12,243	)		—			—
Amortization of:
Prior service cost (credit)		240			267			(1,628	)		(871	)
Actuarial loss (gain)		6,403			3,162			(142	)		(43	)
Settlement charge		524			14			—			—
Net periodic benefit cost (credit)	$	13,782		$	8,447		$	(1,039	)	$	374