XML 18 R112.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share-Based Compensation - Additional Information (Detail) (USD $)
12 Months Ended 1 Months Ended 12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Feb. 02, 2013
Restricted Stock and Units
Jan. 28, 2012
Restricted Stock and Units
Jan. 29, 2011
Restricted Stock and Units
Feb. 02, 2013
Stock Option and Stock Purchase Plan
Jan. 28, 2012
Stock Option and Stock Purchase Plan
Jan. 29, 2011
Stock Option and Stock Purchase Plan
Feb. 02, 2013
Nonvested stock options
Feb. 02, 2013
Stock Incentive Plan 2007
May 19, 2010
Stock Incentive Plan 2007
May 19, 2010
Stock Incentive Plan 2007
Maximum
Feb. 02, 2013
Stock Incentive Plan 2007
Non Employee Directors
Feb. 02, 2013
Stock Purchase Plan
Person
Jan. 28, 2012
Stock Purchase Plan
Person
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Employee stock options exercise period from the date of grant                     3 years     1 year    
Shares authorized                       12,000,000     3,000,000  
Options to purchase shares, expiration term                         10 years      
Participating employees maximum percentage of contribution of their annual compensation to acquire common stock shares                             10.00%  
Participating employees maximum contribution of their annual compensation to acquire common stock shares                             $ 25,000  
Percentage of common stock fair market value on plan                             85.00%  
Shares purchased under plan                             218,362 336,116
Number of participating employees                             943 919
Total number of shares purchased                             1,496,407  
Share-based compensation expense 20,000,000 18,000,000 13,000,000 10,000,000 10,000,000 8,000,000 10,000,000 8,000,000 5,000,000              
Share-based compensation, realized tax benefit 6,000,000 6,000,000 4,000,000                          
Tax deductions in excess of the cumulative compensation cost 11,000,000 5,000,000 3,000,000                          
Unrecognized compensation cost, net of estimated forfeitures       10,000,000           5,000,000            
Unrecognized compensation cost related to nonvested stock options, weighted-average period expected to be recognized                   1 year            
Cash received from options exercised 43,000,000                              
Tax benefit realized from options exercised 11,000,000 6,000,000 2,000,000                          
Restricted stock outstanding       1,254,876 1,098,177 653,535                    
Awards vesting period description       Generally, awards fully vest after the passage of time, typically three years. However, restricted stock unit grants made in connection with the Company's long-term incentive program vest after the attainment of certain performance metrics and the passage of time.                        
Awards fully vesting period, term       3 years                        
Weighted-average grant-date fair value per share       $ 30.89 $ 20.18 $ 13.75                    
Total value of awards for which restrictions lapsed       $ 8,000,000 $ 4,000,000 $ 10,000,000