Shareholders' Equity Outstanding Stock Options (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Oct. 03, 2012 2011 Omnibus Incentive Plan [Member]	Feb. 01, 2014 2011 Omnibus Incentive Plan [Member]	Feb. 02, 2013 2011 Omnibus Incentive Plan [Member]	Feb. 01, 2014 2004 Omnibus Incentive Stock Plan [Member]	Feb. 02, 2013 2004 Omnibus Incentive Stock Plan [Member]	Feb. 01, 2014 2001 Omnibus Stock Plan [Member]	Feb. 02, 2013 2001 Omnibus Stock Plan [Member]	Feb. 01, 2014 Stock Option [Member]	Feb. 02, 2013 Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized	100,000,000	100,000,000
Granted, weighted average grant date fair value	$ 3.96	$ 1.03	$ 4.31	$ 4.00	$ 5.17		$ 3.73		$ 0.00		$ 0.00
Options outstanding					3,083,000	2,500,000	2,104,000	2,098,000	1,121,000	1,169,000	500,000	525,000
Options outstanding, weighted average exercise price					$ 4.03	$ 3.73	$ 6.25	$ 6.23	$ 6.05	$ 5.88	$ 4.24	$ 4.12
Options outstanding, weighted average remaining contractual term					7 years 4 months 24 days		4 years 10 months 24 days		4 years 6 months		6 years 4 months 24 days
Options outstanding, aggregate intrinsic value					$ 6,597,000		$ 2,793,000		$ 1,475,000		$ 981,000
Vested or expected to vest, outstanding					2,580,000		2,097,000		1,121,000		490,000
Vested or expected to vest, outstanding, weighted average exercise price					$ 3.76		$ 6.25		$ 6.05		$ 4.23
Vested or expected to vest, outstanding, weighted average remaining contractual term					8 years 9 months 18 days		4 years 10 months 24 days		4 years 6 months		6 years 4 months 24 days
Vested or expected to vest, outstanding, aggregate intrinsic value					6,208,000		2,793,000		1,475,000		965,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	$ 469,000	$ 146,000	$ 1,856,000