Annual report pursuant to Section 13 and 15(d)

Share-based Awards - Summary of Options Outstanding and Options Exercisable Under Stock Option Plan (Detail)

v2.4.0.8
Share-based Awards - Summary of Options Outstanding and Options Exercisable Under Stock Option Plan (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Feb. 01, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 7 years
Options exercisable Weighted- average remaining contractual life (years) 6 years
Number of options, outstanding 1,090
Number of options, exercisable 363
Weighted- average exercise price, options outstanding $ 56.94
Weighted- average exercise price, options exercisable $ 34.37
1.11 - 3.33 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 1 year
Options exercisable Weighted- average remaining contractual life (years) 1 year
Number of options, outstanding 5
Number of options, exercisable 5
Options outstanding $ 1.11
Options outstanding $ 3.33
Weighted- average exercise price, options outstanding $ 1.54
Weighted- average exercise price, options exercisable $ 1.54
6.29 - 9.18 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 5 years
Options exercisable Weighted- average remaining contractual life (years) 5 years
Number of options, outstanding 19
Number of options, exercisable 19
Options outstanding $ 6.29
Options outstanding $ 9.18
Weighted- average exercise price, options outstanding $ 6.46
Weighted- average exercise price, options exercisable $ 6.46
9.67 - 15.81 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 5 years
Options exercisable Weighted- average remaining contractual life (years) 5 years
Number of options, outstanding 146
Number of options, exercisable 146
Options outstanding $ 9.67
Options outstanding $ 15.81
Weighted- average exercise price, options outstanding $ 13.30
Weighted- average exercise price, options exercisable $ 13.30
22.86 - 37.85 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 6 years
Options exercisable Weighted- average remaining contractual life (years) 7 years
Number of options, outstanding 251
Number of options, exercisable 89
Options outstanding $ 22.86
Options outstanding $ 37.85
Weighted- average exercise price, options outstanding $ 28.02
Weighted- average exercise price, options exercisable $ 29.16
47.19 - 69.96 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 8 years
Options exercisable Weighted- average remaining contractual life (years) 8 years
Number of options, outstanding 292
Number of options, exercisable 74
Options outstanding $ 47.19
Options outstanding $ 69.96
Weighted- average exercise price, options outstanding $ 66.80
Weighted- average exercise price, options exercisable $ 68.28
74.91 - 126.93 [Member]
  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Weighted- average remaining contractual life (years) 9 years
Options exercisable Weighted- average remaining contractual life (years) 8 years
Number of options, outstanding 377
Number of options, exercisable 30
Options outstanding $ 74.91
Options outstanding $ 126.93
Weighted- average exercise price, options outstanding $ 88.69
Weighted- average exercise price, options exercisable $ 91.07