Share-Based Compensation Schedule of Stock Options (Details) (USD $)
3 Months Ended 6 Months Ended
Jul. 28, 2012
Years
Jul. 30, 2011
Jul. 28, 2012
Years
Jul. 30, 2011
Stock Option Activity [Line Items]        
Share-based compensation $ 5,000,000 $ 2,607,000 $ 8,856,000 $ 4,753,000
Stock Options Outstanding at beginning of period     2,667,000  
Stock Options Granted     527,000  
Stock Options Exercised     (35,000)  
Stock Options Forfeited     (34,000)  
Stock Options Outstanding at end of period 3,125,000   3,125,000  
Stock Options Expected to Vest at end of period 2,162,000   2,162,000  
Stock Options Exercisable at end of period 929,000   929,000  
Grant Date Weighted Average Exercise Price of Options Outstanding at beginning of period (usd per share)     $ 17.93  
Grant Date Weighted Average Exercise Price of Options Granted (usd per share) $ 25.16   $ 25.16  
Grant Date Weighted Average Exercise Price of Options Exercised (usd per share) $ 17.45   $ 17.45  
Grant Date Weighted Average Exercise Price of Options Forfeited (usd per share) $ 19.63   $ 19.63  
Grant Date Weighted Average Exercise Price of Options Outstanding at end of period (usd per share) $ 19.13   $ 19.13  
Grant Date Weighted Average Exercise Price of Options Expected to Vest at end of period (usd per share) $ 19.78   $ 19.78  
Grant Date Weighted Average Exercise Price of Options Exercisable at end of period (usd per share) $ 17.56   $ 17.56  
Weighted Average Remaining Contractual Life of Options Outstanding (in years) 8.5   8.5  
Weighted Average Remaining Contractual Life of Options Expected to Vest at end of period (in years)     8.6  
Weighted Average Remaining Contractual Life of Options Exercisable at end of period (in years)     8.1  
Aggregate Intrinsic Value of Options Outstanding at end of period 44,000   44,000  
Aggregate Intrinsic Value of Options Expected to Vest at end of period 33,000   33,000  
Aggregate Intrinsic Value of Options Exercisable at end of period 11,000   11,000  
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]        
Tax Benefit from Share-based Compensation Expense   0 1,500,000 100,000
Weighted Average Grant Date Fair Value of Options Granted     $ 13.43  
Total Intrinsic Value of Options Exercised     267,000  
Total Fair Value of Options Vested     6,171,000  
Stock Options [Member]
       
Stock Option Activity [Line Items]        
Share-based compensation 2,159,000 1,705,000 4,057,000 3,129,000
Restricted Stock Units (RSUs) [Member]
       
Stock Option Activity [Line Items]        
Share-based compensation 2,838,000 841,000 4,786,000 1,480,000
Restricted Stock [Member]
       
Stock Option Activity [Line Items]        
Share-based compensation $ 3,000 $ 61,000 $ 13,000 $ 144,000