Quarterly report pursuant to Section 13 or 15(d)

NET INCOME PER SHARE (Details)

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NET INCOME PER SHARE (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Basic net income per share:        
Net income $ 155.4 $ 104.5 $ 390.7 $ 300.4
Weighted average number of shares outstanding (in shares) 228.8 239.6 230.5 243.1
Basic net income per share (in dollars per share) $ 0.68 $ 0.44 $ 1.70 $ 1.24
Diluted net income per share:        
Net income $ 155.4 $ 104.5 $ 390.7 $ 300.4
Weighted average number of shares outstanding (in shares) 228.8 239.6 230.5 243.1
Dilutive effect of stock options and restricted stock units (as determined by applying the treasury stock method) (in shares) 1.2 1.9 1.3 1.7
Weighted average number of shares and dilutive potential shares outstanding (in shares) 230.0 241.5 231.8 244.8
Diluted net income per share (in dollars per share) $ 0.68 $ 0.43 $ 1.69 $ 1.23