Annual report pursuant to Section 13 and 15(d)

Share based awards - Stock Option Activity (Detail)

v2.4.0.6
Share based awards - Stock Option Activity (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Compensation Related Costs Disclosure [Line Items]      
Common Stock Options Outstanding Shares, Granted 241    
Employee Stock Option [Member]
      
Compensation Related Costs Disclosure [Line Items]      
Common Stock Options Outstanding Shares, Beginning of year 3,559 5,036 5,791
Common Stock Options Outstanding Shares, Granted 241 621 1,521
Common Stock Options Outstanding Shares, Exercised (1,795) (1,936) (2,033)
Common Stock Options Outstanding Shares, Canceled (198) (162) (243)
Common Stock Options Outstanding Shares, End of year 1,807 3,559 5,036
Common Stock Options Outstanding Shares, Exercisable at end of year 563 1,437 2,272
Common Stock Options Outstanding Weighted- Average Exercise Price, Beginning of year $ 26.46 $ 16.55 $ 11.18
Common Stock Options Outstanding Weighted- Average Exercise Price, Granted $ 89.99 $ 66.58 $ 26.12
Common Stock Options Outstanding Weighted- Average Exercise Price, Exercised $ 17.57 $ 14.28 $ 8.41
Common Stock Options Outstanding Weighted- Average Exercise Price, Canceled $ 46.28 $ 17.75 $ 16.73
Common Stock Options Outstanding Weighted- Average Exercise Price, End of year $ 41.60 $ 26.46 $ 16.55
Common Stock Options Outstanding Weighted- Average Exercise Price, Exercisable at end of year $ 24.85 $ 14.27 $ 12.38
Restricted Stock [Member] | Employee Stock Option [Member]
      
Compensation Related Costs Disclosure [Line Items]      
Restricted Stock Outstanding Shares, Beginning of Year 22 128  
Restricted Stock Outstanding Shares, Granted 65 15 128
Restricted Stock Outstanding Shares, Vested (5) (71)  
Restricted Stock Outstanding Shares, forfeited (20) (50)  
Restricted Stock Outstanding Shares, End of year 62 22 128
Restricted Stock Outstanding Weighted- Average Exercise Price, Beginning of year $ 55.72 $ 24.29  
Restricted Stock Outstanding Weighted- Average Exercise Price, Granted $ 90.18 $ 63.38 $ 24.29
Restricted Stock Outstanding Weighted- Average Exercise Price, Vested $ 66.88 $ 23.62  
Restricted Stock Outstanding Weighted- Average Exercise Price, Forfeited $ 75.30 $ 23.52  
Restricted Stock Outstanding Weighted- Average Exercise Price, End of year $ 81.81 $ 55.72 $ 24.29