Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $)	12 Months Ended
	Jan. 29, 2012
Stock-Based Compensation [Abstract]
Balance at January 30, 2011, Shares	1,367,629
Granted, Shares	0
Exercised, Shares	(429,773)
Canceled, Shares	(3,160)
Balance at January 29, 2012, Shares	934,696
Balance at January 30, 2011, Weighted Average Exercise Price	$ 28.81
Granted, Weighted Average Exercise Price	$ 0.00
Exercised, Weighted Average Exercise Price	$ 22.37
Canceled, Weighted Average Exercise Price	$ 29.20
Balance at January 29, 2012, Weighted Average Exercise Price	$ 31.76
Balance at January 29, 2012, Weighted Average Contractual Term Remaining (Years)	2.25
Exercised, Intrinsic Value	$ 7,343,000	[1]
Balance at January 29, 2012, Intrinsic Value	$ 4,338,000	[1]
Vested percentage	100.00%
Market value on the last business day of the fiscal year	$ 35.12

[1] Intrinsic value for outstanding and vested options is based on the excess, if any, of the market value on the last business day of the fiscal year (or $35.12) over the exercise price. For exercises, intrinsic value is based on the excess of the market value over the exercise price on the date of exercise.