Annual report pursuant to Section 13 and 15(d)

Share-based Awards - Additional Information (Detail)

v3.7.0.1
Share-based Awards - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Stock Based Awards [Line Items]      
Share-based Compensation $ 19,340 $ 15,594 $ 14,923
Cash from stock option exercises $ 16,293 $ 19,646 $ 10,639
Employee Stock Option [Member]      
Stock Based Awards [Line Items]      
Number of shares granted 110 294 371
Aggregate intrinsic value of outstanding options $ 125,061    
Sale price of our common stock on the NASDAQ Global Select Market $ 271.44    
Restricted Stock Award [Member]      
Stock Based Awards [Line Items]      
Vesting period 3 years    
Unrecognized compensation cost $ 11,920    
Unrecognized compensation expense weighted-average recognition period 1 year 6 months    
Director restricted stock, vesting period 1 year    
Compensation expense $ 7,295 $ 6,040 $ 5,845
Restricted stock units issued 55    
Performance Based Restricted Stock Units [Member]      
Stock Based Awards [Line Items]      
Vesting period 3 years    
Unrecognized compensation cost $ 8,610    
Unrecognized compensation expense weighted-average recognition period 2 years    
Compensation expense $ 4,062 $ 1,655  
Restricted stock units issued 24    
Performance Based Restricted Stock Units [Member]      
Stock Based Awards [Line Items]      
Restricted stock units issued 24 22  
Performance Based Restricted Stock Units [Member] | Maximum [Member]      
Stock Based Awards [Line Items]      
Maximum number of units that could vest 82    
Amended and Restated 2011 Incentive Award Plan [Member]      
Stock Based Awards [Line Items]      
Issuance upon grant or exercise of awards 3,912    
Share-based Compensation $ 19,340 $ 15,594 14,923
Cash from stock option exercises 16,293 19,646 10,639
Total income tax benefit recognized in the income statement for the share-based compensation arrangements 6,764 5,354 3,526
Actual tax benefit realized for the tax deductions from option exercise and restricted stock vesting $ 15,868 $ 14,970 $ 6,892
Amended and Restated 2011 Incentive Award Plan [Member] | Employee Stock Option [Member]      
Stock Based Awards [Line Items]      
Employee stock options, expiration period 10 years    
Vesting period 4 years    
Employee stock options, vesting rate 25.00%    
Number of shares granted 110    
Weighted-average fair value of stock option $ 53.02 $ 56.44 $ 32.38
Total fair value stock options issued and vested $ 5,932 $ 8,236 $ 8,799
Compensation expenses 7,983 7,899 9,078
Unrecognized compensation cost $ 19,938    
Unrecognized compensation expense weighted-average recognition period 3 years    
Total intrinsic value of options exercised $ 27,468 $ 36,610 $ 15,032
Aggregate intrinsic value of exercisable options $ 56,533