Stock-Based Compensation (Stock Options Outstanding And Exercisable) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 28, 2012
$8.19 To $13.36 Exercise Price [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	499
Options outstanding and exercisable, Remaining life	1 year 8 months 19 days
Options outstanding and exercisable, Exercise price	$ 11.29
Exercise price range, lower range limit	$ 8.19
Exercise price range, upper range limit	$ 13.36
$13.37 To $13.91 Exercise Price [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	493
Options outstanding and exercisable, Remaining life	3 years 6 months 18 days
Options outstanding and exercisable, Exercise price	$ 13.84
Exercise price range, lower range limit	$ 13.37
Exercise price range, upper range limit	$ 13.91
$13.92 To $14.35 Exercise Price [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	513
Options outstanding and exercisable, Remaining life	2 years 9 months 11 days
Options outstanding and exercisable, Exercise price	$ 14.29
Exercise price range, lower range limit	$ 13.92
Exercise price range, upper range limit	$ 14.35
$14.36 To $16.43 Exercise Price [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	454
Options outstanding and exercisable, Remaining life	2 years 11 months 12 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
$8.19 To $16.43 Exercise Price [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding and exercisable, Number of shares	1,959
Options outstanding and exercisable, Remaining life	2 years 8 months 27 days
Options outstanding and exercisable, Exercise price	$ 13.56
Exercise price range, lower range limit	$ 8.19
Exercise price range, upper range limit	$ 16.43