Common Stock Options (Schedule Of Stock Option Activity Under Plan) (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
		Mar. 31, 2012	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
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]		1,160,934	1,304,620	1,187,817
Options outstanding, Granted (shares)			116,894	253,973	554,500
Options outstanding, Forfeited (shares)			(73,790)	(169,850)	(205,456)
Options outstanding, Cancelled (shares)		(2,020,620)		(20,000)	(35,300)
Options outstanding, Exercised (shares)			(115,364)	(207,809)	(196,941)
Options outstanding, Balance (shares)	[1]		1,088,674	1,160,934	1,304,620	1,187,817
Options outstanding, Exercisable (shares)			603,972
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)	[1]		$ 24.80	$ 20.90	$ 10.43
Weighted average exercise price, Granted (dollars per share)			28.58	36.18	38.92
Weighted average exercise price, Forfeited (dollars per share)			34.93	31.75	20.23
Weighted average exercise price, Cancelled (dollars per share)				39.41	30.19
Weighted average exercise price, Exercised (dollars per share)			7.90	7.11	7.55
Weighted average exercise price, Balance (dollars per share)	[1]		26.31	$ 24.80	$ 20.90	$ 10.43
Weighted average exercise price, Exercisable (dollars per share)			$ 19.57
Weighted average remaining contractual term	[1]		7 years 6 months	8 years	8 years 6 months 1 day	9 years 3 months 18 days
Weighted average remaining contractual term, Exercisable			6 years 5 months
Excess tax benefit related to restricted shares and exercise of stock options and warrants			$ 608	$ 2,049	$ 2,262
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] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjlmNGIyNzBlNDk3YTQ1ODE4NzViMGY4Y2Y1MDQ1ZWIxfFRleHRTZWxlY3Rpb246REFBQUEyMjQ5Q0I3ODMzODkxQThFRjk5Mjg5QTY1RkMM}