Pension Plan (Tables)

6 Months Ended

Jun. 30, 2011

Pension Plan

Components of Net Periodic Pension Expense Related to Qualified and Non-Qualified Plans

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
	(in thousands)
Service cost	$	1,563		$	1,450		$	3,126		$	2,900
Interest cost		1,525			1,433			3,049			2,866
Expected return on plan assets		(1,665	)		(1,581	)		(3,330	)		(3,163	)
Amortization of prior service cost		160			160			320			320
Amortization of actuarial loss		342			275			685			551
Total net periodic pension expense		1,925			1,737			3,850			3,474
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Amortization of prior service cost		(160	)		(160	)		(320	)		(320	)
Amortization of actuarial loss		(342	)		(275	)		(685	)		(551	)
		(502	)		(435	)		(1,005	)		(871	)
Total amount recognized in net periodic benefit cost and other comprehensive income (before tax)	$	1,423		$	1,302		$	2,845		$	2,603