Common Stock Options (Schedule Of Stock Option Activity Under Plan) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended	12 Months Ended
	May 16, 2012	Mar. 31, 2012	Jan. 31, 2015		Feb. 01, 2014		Feb. 02, 2013		Jan. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Option Maximum Term			10 years
Stock option vesting period			4 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, Balance (shares)			1,304,620	[1]	1,187,817	[1]	2,627,955
Options outstanding, Granted (shares)			253,973		554,500		687,416
Options outstanding, Forfeited (shares)			(169,850)		(205,456)		(98,048)
Options outstanding, Cancelled (shares)		(2,020,620)	(20,000)		(35,300)		(2,020,620)
Options outstanding, Exercised (shares)			(207,809)		(196,941)		(8,886)
Options outstanding, Balance (shares)			1,160,934	[1]	1,304,620	[1]	1,187,817	[1]	2,627,955
Options outstanding, Exercisable (shares)			387,586
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, Balance (dollars per share)			$ 20.90	[1]	$ 10.43	[1]	$ 6.47
Weighted average exercise price, Granted (dollars per share)			$ 36.18		$ 38.92		$ 14.96
Weighted average exercise price, Forfeited (dollars per share)			$ 31.75		$ 20.23		$ 9.14
Weighted average exercise price, Cancelled (dollars per share)			$ 39.41		$ 30.19		$ 6.30
Weighted average exercise price, Exercised (dollars per share)			$ 7.11		$ 7.55		$ 4.12
Weighted average exercise price, Balance (dollars per share)			$ 24.80	[1]	$ 20.90	[1]	$ 10.43	[1]	$ 6.47
Weighted average exercise price, Exercisable (dollars per share)			$ 10.74
Weighted average remaining contractual term			8 years	[1]	8 years 6 months 1 day	[1]	9 years 3 months 18 days	[1]	9 years
Weighted average remaining contractual term, Exercisable			7 years
Dividends declared per share (dollars per share)	$ 2.02
Excess tax benefit related to restricted shares and exercise of stock options and warrants			$ 2,049		$ 2,262		$ 1,647
Performance Based Vesting Schedule [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, Cancelled (shares)		(1,010,310)					(1,010,310)

[1] The weighted-average exercise price as of January 31, 2015, February 1, 2014 and February 2, 2013, respectively, reflects the adjustment of $2.02 per share resulting from the dividend declared on May 15, 2012 as described above.