Stock-Based Compensation (Summary Of Weighted Average Remaining Contractual Life And The Weighted Average Exercise Prices For Stock Options Both Outstanding And Exercisable) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jul. 28, 2012
$8.45 to $13.56 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	472
Options outstanding and exercisable, Remaining life	1 year 7 months 6 days
Options outstanding and exercisable, Exercise price	$ 11.50
Exercise price range, lower range limit	$ 8.45
Exercise price range, upper range limit	$ 13.56
$13.57 to $13.98 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	486
Options outstanding and exercisable, Remaining life	3 years 3 months
Options outstanding and exercisable, Exercise price	$ 13.87
Exercise price range, lower range limit	$ 13.57
Exercise price range, upper range limit	$ 13.98
$13.99 to $14.35 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	472
Options outstanding and exercisable, Remaining life	2 years 7 months 13 days
Options outstanding and exercisable, Exercise price	$ 14.31
Exercise price range, lower range limit	$ 13.99
Exercise price range, upper range limit	$ 14.35
$14.36 to $$16.43 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	452
Options outstanding and exercisable, Remaining life	2 years 8 months 16 days
Options outstanding and exercisable, Exercise price	$ 14.94
Exercise price range, lower range limit	$ 14.36
Exercise price range, upper range limit	$ 16.43
$8.45 to $16.43 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	1,882
Options outstanding and exercisable, Remaining life	2 years 6 months 18 days
Options outstanding and exercisable, Exercise price	$ 13.64
Exercise price range, lower range limit	$ 8.45
Exercise price range, upper range limit	$ 16.43