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		9 Months Ended		12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011	Jan. 28, 2012
Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	$ 16	$ (10)	$ 37	$ (117)	$ (99)
Gain (Loss) Reclassified from Accumulated OCI into Earnings	(26)	(26)	(12)	(115)	(145)
Cost of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	204	357	(672)	114	335
Gain (Loss) Reclassified from Accumulated OCI into Earnings	(187)	10	(265)	(51)	(90)
Selling And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives	423	187	(49)	199	232
Gain (Loss) Reclassified from Accumulated OCI into Earnings	11	36	40	150	169
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in OCI on Derivatives		$ 15	$ (7)	$ 16	$ 14