Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Details)

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SHAREHOLDERS' EQUITY (Details) (USD $)
 3 Months Ended 12 Months Ended
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Jan. 29, 2011
Oct. 30, 2010
Jul. 31, 2010
May 01, 2010
Jan. 28, 2012
Jan. 29, 2011
Jan. 30, 2010
Preferred Stock                      
Preferred Stock authorized to issue (in shares) 10,000,000               10,000,000    
Preferred Stock par value per share $ 0.01               $ 0.01    
Basic net income per share:                      
Net income $ 187,900,000 $ 104,500,000 $ 94,900,000 $ 101,000,000 $ 162,500,000 $ 93,200,000 $ 78,000,000 $ 63,600,000 $ 488,300,000 $ 397,300,000 $ 320,500,000
Weighted average number of shares outstanding (in shares)                 120,300,000.0 127,100,000.0 134,100,000.0
Basic net income per share (in dollars per share)                 $ 4.06 $ 3.13 $ 2.39
Diluted net income per share:                      
Net income 187,900,000 104,500,000 94,900,000 101,000,000 162,500,000 93,200,000 78,000,000 63,600,000 488,300,000 397,300,000 320,500,000
Weighted average number of shares outstanding (in shares)                 120,300,000.0 127,100,000.0 134,100,000.0
Dilutive effect of stock options and restricted stock (as determined by applying the treasury stock method) (in shares)                 900,000.0 900,000.0 900,000.0
Weighted average number of shares and dilutive potential shares outstanding (in shares)                 121,200,000.0 128,000,000.0 135,000,000.0
Diluted net income per share (in dollars per share) $ 1.60 $ 0.87 $ 0.77 $ 0.82 $ 1.29 $ 0.73 $ 0.61 $ 0.49 $ 4.03 $ 3.10 $ 2.37
Share Repurchase Programs                      
Number of shares repurchased (in shares)                 2,600,000.0 4,300,000.0 6,400,000.0
Amount of shares repurchased                 (145,900,000) (214,700,000) (193,100,000)
Remaining amount of shares authorized to repurchase 1,200,000,000.0               1,200,000,000.0    
Accelerated Share Repurchases                      
Repurchased shares unsettled 27,300,000               27,300,000    
Accelerated Share Repurchase Agreement November 2011 [Member]
                      
Accelerated Share Repurchases                      
Accelerated Share Repurchases, dollar amount of common shares repurchased 300,000,000               300,000,000    
Initial number of shares repurchased (in shares)                 3,400,000.0    
Maximum number of shares possible to repurchase (in shares)                 3,800,000.0    
Weighted average market price of repurchased shares of common stock (in dollars per share)                 $ 83.27    
Additional number of shares that would have been received had the transaction been settled (in shares) 400,000.0               400,000.0    
Hedge period reference price (in dollars per share)                 $ 80.37    
Accelerated Share Repurchase Agreement August 2011 [Member]
                      
Accelerated Share Repurchases                      
Accelerated Share Repurchases, dollar amount of common shares repurchased 200,000,000               200,000,000    
Initial number of shares repurchased (in shares)                 2,600,000.0    
Additional number of shares of common stock repurchased (in shares) 100,000.0               100,000.0    
Total shares of common stock repurchased (in shares)                 2,700,000.0    
Accelerated Share Repurchase Agreement March 2010 [Member]
                      
Accelerated Share Repurchases                      
Accelerated Share Repurchases, dollar amount of common shares repurchased $ 200,000,000               $ 200,000,000    
Initial number of shares repurchased (in shares)                 4,600,000.0    
Additional number of shares of common stock repurchased (in shares) 400,000.0               400,000.0    
Total shares of common stock repurchased (in shares)                 5,000,000.0