Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

Employee Benefit Plans (Tables) [Abstract]

Employee Benefit Plans

				Pension Benefits
	Three months ended						Six months ended
	June 30,						June 30,
(in thousands)	2011			2010			2011			2010
Service cost	$	—		$	1,257		$	—		$	1,614
Interest cost		1,163			1,134			2,289			2,169
Expected return on plan assets		(1,558	)		(1,362	)		(3,118	)		(2,725	)
Recognized net actuarial loss		247			892			470			1,316
Benefit (income) cost	$	(148	)	$	1,921		$	(359	)	$	2,374

				Postretirement Benefits
	Three months ended						Six months ended
	June 30,						June 30,
(in thousands)	2011			2010			2011			2010
Service cost	$	136		$	114		$	277		$	233
Interest cost		325			306			643			606
Amortization of prior service cost		(136	)		(127	)		(272	)		(255	)
Recognized net actuarial loss		242			187			451			345
Benefit cost	$	567		$	480		$	1,099		$	929