Share-Based Compensation Schulede of Stock Options (Details) (USD $)	12 Months Ended
	Jan. 28, 2012 Years	Jan. 29, 2011	Jan. 30, 2010
Stock Option Activity [Line Items]
Stock Options Outstanding at beginning of period	1,383,000
Stock Options Granted	1,469,000
Stock Options Exercised	(19,000)
Stock Options Forfeited	(166,000)
Stock Options Outstanding at end of period	2,667,000	1,383,000
Stock Options Expected to Vest at end of period	2,313,000
Stock Options Exercisable at end of period	321,000
Grant Date Weighted Average Exercise Price of Options Outstanding at beginning of period (usd per share)	$ 16.94
Grant Date Weighted Average Exercise Price of Options Granted (usd per share)	$ 18.79
Grant Date Weighted Average Exercise Price of Options Exercised (usd per share)	$ 17
Grant Date Weighted Average Exercise Price of Options Forfeited (usd per share)	$ 17.44
Grant Date Weighted Average Exercise Price of Options Outstanding at end of period (usd per share)	$ 17.93	$ 16.94
Grant Date Weighted Average Exercise Price of Options Expected to Vest at end of period (usd per share)	$ 18.05
Grant Date Weighted Average Exercise Price of Options Exercisable at end of period (usd per share)	$ 16.94
Weighted Average Remaining Contractual Life of Options Outstanding (in years)	8.8
Weighted Average Remaining Contractual Life of Options Expected to Vest at end of period (in years)	8.8
Weighted Average Remaining Contractual Life of Options Exercisable at end of period (in years)	8.3
Aggregate Intrinsic Value of Options Outstanding at end of period	$ 10,597,000
Aggregate Intrinsic Value of Options Expected to Vest at end of period	8,882,000
Aggregate Intrinsic Value of Options Exercisable at end of period	1,582,000
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Shares Authorized under the Equity Incentive Plan	16,800,000
Shares Available under the Equity Incentive Plan	13,200,000
Tax Benefit from Share-based Compensation Expense	100,000	0	0
Weighted Average Grant Date Fair Value of Options Granted	$ 10.01	$ 9.17
Total Intrinsic Value of Options Exercised	102,000	0
Total Fair Value of Options Vested	$ 3,115,000	$ 0