Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Net Periodic Pension Cost

The components of net periodic pension cost were as follows:

	Second Quarter						First Half
In Thousands	2013			2012			2013			2012
Service cost	$	32		$	27		$	64		$	55
Interest cost		3,086			3,123			6,172			6,247
Expected return on plan assets		(3,547	)		(2,972	)		(7,094	)		(5,945	)
Amortization of prior service cost		4			5			8			10
Recognized net actuarial loss		838			694			1,676			1,387
Net periodic pension cost	$	413		$	877		$	826		$	1,754

Components of Net Periodic Postretirement Benefit Cost

The components of net periodic postretirement benefit cost were as follows:

	Second Quarter						First Half
In Thousands	2013			2012			2013			2012
Service cost	$	413		$	316		$	826		$	632
Interest cost		715			782			1,430			1,563
Recognized net actuarial loss		700			612			1,400			1,225
Amortization of prior service cost		(378	)		(379	)		(756	)		(758	)
Net periodic postretirement benefit cost	$	1,450		$	1,331		$	2,900		$	2,662