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. 30, 2011
Options outstanding and exercisable, Remaining life (in years)	3.16
$14.78 To $24.47 Exercise Price Range [Member]
Exercise price range, minimum	$ 14.78
Exercise price range, maximum	$ 24.47
Options outstanding and exercisable, Number of shares	415
Options outstanding and exercisable, Remaining life (in years)	1.84
Options outstanding and exercisable, Exercise price	$ 21.27
$24.54 To $27.81 Exercise Price Range [Member]
Exercise price range, minimum	$ 24.54
Exercise price range, maximum	$ 27.81
Options outstanding and exercisable, Number of shares	375
Options outstanding and exercisable, Remaining life (in years)	3.95
Options outstanding and exercisable, Exercise price	$ 27.07
$27.84 To $29.18 Exercise Price Range [Member]
Exercise price range, minimum	$ 27.84
Exercise price range, maximum	$ 29.18
Options outstanding and exercisable, Number of shares	342
Options outstanding and exercisable, Remaining life (in years)	3.63
Options outstanding and exercisable, Exercise price	$ 28.64
$29.19 To $32.85 Exercise Price Range [Member]
Exercise price range, minimum	$ 29.19
Exercise price range, maximum	$ 32.85
Options outstanding and exercisable, Number of shares	195
Options outstanding and exercisable, Remaining life (in years)	3.63
Options outstanding and exercisable, Exercise price	$ 30.21
$14.78 To $32.85 Exercise Price Range [Member]
Exercise price range, minimum	$ 14.78
Exercise price range, maximum	$ 32.85
Options outstanding and exercisable, Number of shares	1,327
Options outstanding and exercisable, Remaining life (in years)	3.16
Options outstanding and exercisable, Exercise price	$ 26.13