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Share-Based Compensation (Tables)
9 Months Ended
Nov. 01, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity

A summary of stock option activity under our plans is as follows:

 

     Stock Options     Weighted
Average
Exercise
Price
 

Outstanding at February 1, 2014

     2,289,530      $ 8.26   

Granted

     69,227      $ 35.08   

Exercised

     (5,242   $ 6.64   

Forfeited or expired

     (45,811   $ 17.03   
  

 

 

   

Outstanding at November 1, 2014

     2,307,704      $ 8.89   
  

 

 

   

Vested or expected to vest at November 1, 2014

     2,307,704      $ 8.89   

Exercisable at November 1, 2014

     609,405      $ 5.96