Shareholders' Equity (Details 2) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Restricted share
Number of Shares
Restricted shares outstanding at end of fiscal year	487,500
Long-Term Stock Incentive Plan
Shareholders Equity
Share awards available for issuance	1,100,000
Additional grants available under the previous plans (in shares)	0
Long-Term Stock Incentive Plan | Restricted share
Number of Shares
Restricted shares outstanding at beginning of fiscal year	497,500	780,500	810,500
Restricted shares granted		40,000	90,000
Restricted shares vested, including restricted shares repurchased from employees for employees' tax liability		(273,000)	(50,000)
Restricted shares forfeited	(10,000)	(50,000)	(70,000)
Restricted shares outstanding at end of fiscal year	487,500	497,500	780,500
Weighted-average grant date fair value
Restricted shares outstanding at beginning of fiscal year (in dollars per share)	$ 12	$ 16	$ 15
Restricted shares granted (in dollars per share)		$ 23	$ 22
Restricted shares vested, including restricted shares repurchased from employees for employees' tax liability (in dollars per share)		$ 22	$ 22
Restricted shares forfeited (in dollars per share)	$ 23	$ 17	$ 18
Restricted shares outstanding at end of fiscal year (in dollars per share)	$ 12	$ 12	$ 16
Long-Term Stock Incentive Plan | Restricted share | Minimum
Shareholders Equity
Vesting period	3 years
Long-Term Stock Incentive Plan | Restricted share | Maximum
Shareholders Equity
Vesting period	4 years
Long-Term Stock Incentive Plan | Restricted share units
Weighted-average grant date fair value
Restricted share units earned by recipients, which will vest in March 2016	59,129
Long-Term Stock Incentive Plan | Performance shares
Number of Shares
Restricted shares granted	100,000