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Stock-Based Compensation and Employee Stock Plans (Details 2) (USD $)
 12 Months Ended
Feb. 01, 2014
$8.17 to $17.98
  
Stock options outstanding and exercisable by exercise price range  
Exercise price per share, low end of range (in dollars per share) $ 8.17
Exercise price per share, high end of range (in dollars per share) $ 17.98
Options Outstanding  
Options Outstanding (in shares) 1,307,546
Weighted Average Remaining Contractual Life (in years) 1 year 9 months 2 days
Weighted Average Exercise Price (in dollars per share) $ 14.97
Options Exercisable  
Options Exercisable (in shares) 1,307,546
Weighted Average Exercise Price (in dollars per share) $ 14.97
$18.14 to $27.87
  
Stock options outstanding and exercisable by exercise price range  
Exercise price per share, low end of range (in dollars per share) $ 18.14
Exercise price per share, high end of range (in dollars per share) $ 27.87
Options Outstanding  
Options Outstanding (in shares) 1,369,573
Weighted Average Remaining Contractual Life (in years) 2 years 5 months 7 days
Weighted Average Exercise Price (in dollars per share) $ 23.14
Options Exercisable  
Options Exercisable (in shares) 1,225,448
Weighted Average Exercise Price (in dollars per share) $ 22.77
$28.09 to $44.61
  
Stock options outstanding and exercisable by exercise price range  
Exercise price per share, low end of range (in dollars per share) $ 28.09
Exercise price per share, high end of range (in dollars per share) $ 44.61
Options Outstanding  
Options Outstanding (in shares) 1,238,804
Weighted Average Remaining Contractual Life (in years) 3 years 5 months 1 day
Weighted Average Exercise Price (in dollars per share) $ 32.67
Options Exercisable  
Options Exercisable (in shares) 977,697
Weighted Average Exercise Price (in dollars per share) $ 30.77
$45.34 to $57.59
  
Stock options outstanding and exercisable by exercise price range  
Exercise price per share, low end of range (in dollars per share) $ 45.34
Exercise price per share, high end of range (in dollars per share) $ 57.59
Options Outstanding  
Options Outstanding (in shares) 1,038,124
Weighted Average Remaining Contractual Life (in years) 5 years 8 months 11 days
Weighted Average Exercise Price (in dollars per share) $ 47.85
Options Exercisable  
Options Exercisable (in shares) 106,766
Weighted Average Exercise Price (in dollars per share) $ 48.45
$8.17 to $57.59
  
Stock options outstanding and exercisable by exercise price range  
Exercise price per share, low end of range (in dollars per share) $ 8.17
Exercise price per share, high end of range (in dollars per share) $ 57.59
Options Outstanding  
Options Outstanding (in shares) 4,954,047
Weighted Average Remaining Contractual Life (in years) 3 years 2 months 7 days
Weighted Average Exercise Price (in dollars per share) $ 28.55
Options Exercisable  
Options Exercisable (in shares) 3,617,457
Weighted Average Exercise Price (in dollars per share) $ 22.87