Annual report pursuant to Section 13 and 15(d)

Share-based Awards (Details 2)

v2.4.0.6
Share-based Awards (Details 2) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Y
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number of Options 3,559
Weighted- Average Remaining Contractual Life (Years) 8
Weighted- Average Exercise Price $ 26.46
Number of Options 1,437
Weighted- Average Remaining Contractual Life (Years) 7
Weighted- Average Exercise Price $ 14.27
0.02 - 0.17 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 0.02
Options outstanding Maximum $ 0.17
Number of Options 6
Weighted- Average Remaining Contractual Life (Years) 1
Weighted- Average Exercise Price $ 0.17
Number of Options 6
Weighted- Average Remaining Contractual Life (Years) 1
Weighted- Average Exercise Price $ 0.17
0.18 - 1.11 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 0.18
Options outstanding Maximum $ 1.11
Number of Options 16
Weighted- Average Remaining Contractual Life (Years) 3
Weighted- Average Exercise Price $ 1.11
Number of Options 16
Weighted- Average Remaining Contractual Life (Years) 3
Weighted- Average Exercise Price $ 1.11
1.12 - 2.62 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 1.12
Options outstanding Maximum $ 2.62
Number of Options 138
Weighted- Average Remaining Contractual Life (Years) 3
Weighted- Average Exercise Price $ 2.49
Number of Options 138
Weighted- Average Remaining Contractual Life (Years) 3
Weighted- Average Exercise Price $ 2.49
2.63 - 4.12 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 2.63
Options outstanding Maximum $ 4.12
Number of Options 67
Weighted- Average Remaining Contractual Life (Years) 4
Weighted- Average Exercise Price $ 3.72
Number of Options 67
Weighted- Average Remaining Contractual Life (Years) 4
Weighted- Average Exercise Price $ 3.72
4.13 - 9.18 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 4.13
Options outstanding Maximum $ 9.18
Number of Options 111
Weighted- Average Remaining Contractual Life (Years) 6
Weighted- Average Exercise Price $ 7.93
Number of Options 73
Weighted- Average Remaining Contractual Life (Years) 5
Weighted- Average Exercise Price $ 8.79
9.19 - 15.81 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 9.19
Options outstanding Maximum $ 15.81
Number of Options 1,292
Weighted- Average Remaining Contractual Life (Years) 7
Weighted- Average Exercise Price $ 13.51
Number of Options 777
Weighted- Average Remaining Contractual Life (Years) 7
Weighted- Average Exercise Price $ 13.76
15.82 - 37.85 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 15.82
Options outstanding Maximum $ 37.85
Number of Options 1,308
Weighted- Average Remaining Contractual Life (Years) 9
Weighted- Average Exercise Price $ 25.89
Number of Options 360
Weighted- Average Remaining Contractual Life (Years) 9
Weighted- Average Exercise Price $ 23.78
37.86 - 69.96 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options outstanding Minimum $ 37.86
Options outstanding Maximum $ 69.96
Number of Options 621
Weighted- Average Remaining Contractual Life (Years) 10
Weighted- Average Exercise Price $ 66.58
Number of Options 0
Weighted- Average Remaining Contractual Life (Years) 0
Weighted- Average Exercise Price $ 0