Risk Management And Derivatives (Schedule Of Effect Of Derivative Instruments In Cash Flow Hedging Relationships On The Condensed Consolidated Statements Of Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jan. 28, 2012
Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	$ (34)	$ (52)	$ 21	$ (107)	$ (99)
Gain (Loss) Reclassified from Accumulated OCI into Earnings	(14)	47	(14)	89	145
Cost Of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	(531)	158	(876)	(243)	335
Gain (Loss) Reclassified from Accumulated OCI into Earnings	86	35	78	61	90
Selling And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	(252)	(194)	(471)	12	232
Gain (Loss) Reclassified from Accumulated OCI into Earnings	(19)	(65)	(29)	(114)	(169)
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	$ 2	$ 11	$ (8)	$ 1	$ 14