Annual report pursuant to Section 13 and 15(d)

Share Based Awards - Additional Information (Detail)

v2.4.0.6
Share Based Awards - Additional Information (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Stock Based Awards [Line Items]      
Director vesting period 10 years    
Employee vesting period 4 years    
Options Vesting rate 25.00%    
Stock options granted 241    
Compensation expense related to performance based grants $ 0 $ 0 $ 425
Cash received from option exercises under all share-based payment arrangements 31,530 27,639 17,100
Total income tax benefit recognized in the income statement for the share-based compensation arrangements 5,364 3,545 3,300
Actual tax benefit realized for the tax deductions from option exercise and restricted stock vesting 51,886 29,439 13,373
Aggregate intrinsic value of outstanding options 101,965    
Aggregate intrinsic value of exercisable options 41,756    
Sale price of our common stock on the NASDAQ Global Select Market $ 97.54    
Performance Based [Member]
     
Stock Based Awards [Line Items]      
Performance-based options granted 0 0 0
Restricted Stock Award [Member]
     
Stock Based Awards [Line Items]      
Director vesting period   1 year  
Employee vesting period   3 years  
Unrecognized compensation cost 3,989 935  
Compensation expense 1,408 1,874  
2011 Incentive Award Plan [Member]
     
Stock Based Awards [Line Items]      
Issuance upon grant or exercise of awards 4,750    
Unissued shares under prior plan 746    
Compensation cost 11,967 9,731 9,918
Weighted-average fair value of stock options granted $ 46.29 $ 34.81 $ 13.58
Unrecognized compensation cost 26,529    
Unrecognized compensation expense is expected to be recognized over a weighted-average period 2 years    
Total intrinsic value of options exercised $ 138,291 $ 86,030 $ 42,118