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	9 Months Ended
	Oct. 27, 2012
$8.45 to $13.76 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	464
Options outstanding and exercisable, Remaining life	1 year 4 months 24 days
Options outstanding and exercisable, Exercise price	$ 11.61
Exercise price range, lower range limit	$ 8.45
Exercise price range, upper range limit	$ 13.76
$13.77 to $14.12 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	469
Options outstanding and exercisable, Remaining life	3 years 0 months 3 days
Options outstanding and exercisable, Exercise price	$ 13.89
Exercise price range, lower range limit	$ 13.77
Exercise price range, upper range limit	$ 14.12
$14.13 to $14.44 [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 5 months 1 day
Options outstanding and exercisable, Exercise price	$ 14.33
Exercise price range, lower range limit	$ 14.13
Exercise price range, upper range limit	$ 14.44
$14.45 to $$16.43 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	420
Options outstanding and exercisable, Remaining life	2 years 4 months 24 days
Options outstanding and exercisable, Exercise price	$ 14.98
Exercise price range, lower range limit	$ 14.45
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	1,805
Options outstanding and exercisable, Remaining life	2 years 3 months 21 days
Options outstanding and exercisable, Exercise price	$ 13.67
Exercise price range, lower range limit	$ 8.45
Exercise price range, upper range limit	$ 16.43