Pension Plan (Tables)

6 Months Ended

Jun. 30, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Components Of Net Periodic Benefit Expense

The following table shows the components of net periodic benefit expense:

(in thousands)	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Service cost	$	1,068		$	1,139		$	2,136		$	2,278
Interest cost	1,012			992			2,024			1,984
Expected return on plan assets	(2,186		)	(1,886		)	(4,372		)	(3,772		)
Amortization of prior service cost	5			5			10			10
Recognized net actuarial loss	427			352			854			705
Benefit expense	$	326		$	602		$	652		$	1,205