XML 16 R23.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Stock-Based Compensation (Tables)
6 Months Ended
Jul. 31, 2011
Stock-Based Compensation [Abstract]  
Stock-based Compensation Expense and Tax Benefit
                                 
    Thirteen Weeks Ended     Twenty-Six Weeks Ended  
    July 31, 2011     August 1, 2010     July 31, 2011     August 1, 2010  
Stock options expense
  $ 2,788     $ 2,135     $ 5,717     $ 4,432  
Restricted stock expense
    1,477       1,529       2,594       3,054  
Performance share unit expense
    3,176       1,947       5,316       3,515  
 
                       
Stock-based compensation cost — equity awards
    7,441       5,611       13,627       11,001  
Management equity unit expense
    2,113       790       4,025       1,972  
 
                       
Total stock-based compensation expense
  $ 9,554     $ 6,401     $ 17,652     $ 12,973  
 
                       
Tax benefit
  $ 3,436     $ 2,169     $ 6,109     $ 4,476