Business Segment Information (Schedule Of Reconciliation Of Operating Earnings Before Income Taxes From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Business Segment Information [Abstract]
Operating earnings	$ 41,123	$ 32,361	$ 51,103	$ 43,443
Interest expense	(5,513)	(6,685)	(17,428)	(19,903)
Loss on early extinguishment of debt				(1,003)
Interest income	76	98	236	248
Earnings (loss) before income taxes from continuing operations	$ 35,686	$ 25,774	$ 33,911	$ 22,785