Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

Employee Benefit Plans

Summary of Pension Plan and Postretirement Plan Net Periodic Benefit Cost

	Pension Plan
	Three months ended June  30						Six months ended June 30
	2011			2010			2011			2010
	(in thousands)
Service cost (1)	$	15		$	26		$	30		$	52
Interest cost		853			842			1,706			1,684
Expected return on plan assets		(837	)		(802	)		(1,674	)		(1,604	)
Net amortization and deferral		72			119			144			238
Net periodic benefit cost	$	103		$	185		$	206		$	370

(1) The Pension Plan service cost recorded for the three and six months ended June 30, 2011 and 2010, respectively, was related to administrative costs associated with the plan and not due to the accrual of additional participant benefits.

	Postretirement Plan
	Three months ended June  30						Six months ended June  30
	2011			2010			2011			2010
	(in thousands)
Service cost	$	50		$	48		$	101		$	98
Interest cost		107			110			214			220
Expected return on plan assets		(1	)		(1	)		(2	)		(2	)
Net accretion and deferral		(91	)		(91	)		(182	)		(182	)
Net periodic benefit cost	$	65		$	66		$	131		$	134