Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Basic and Diluted Net Income Per Share) (Details)

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SHAREHOLDERS' EQUITY (Basic and Diluted Net Income Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Jan. 30, 2016
Oct. 31, 2015
Aug. 01, 2015
May. 02, 2015
Jan. 31, 2015
Nov. 01, 2014
Aug. 02, 2014
May. 03, 2014
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Basic net income per share:                      
Net income $ 229.0 $ 81.9 $ (98.0) $ 69.5 $ 206.6 $ 133.0 $ 121.5 $ 138.3 $ 282.4 $ 599.2 $ 596.7
Weighted average number of shares outstanding (in shares)                 222.5 206.0 218.1
Basic net income per share (usd per share)                 $ 1.27 $ 2.91 $ 2.74
Diluted net income per share:                      
Net income $ 229.0 $ 81.9 $ (98.0) $ 69.5 $ 206.6 $ 133.0 $ 121.5 $ 138.3 $ 282.4 $ 599.2 $ 596.7
Weighted average number of shares outstanding (in shares)                 222.5 206.0 218.1
Dilutive effect of stock options and restricted stock (as determined by applying the treasury stock method) (in shares)                 1.0 1.0 1.0
Weighted average number of shares and dilutive potential shares outstanding (in shares)                 223.5 207.0 219.1
Diluted net income per share (usd per share) $ 0.97 $ 0.35 $ (0.46) $ 0.34 $ 1.00 $ 0.64 $ 0.59 $ 0.67 $ 1.26 $ 2.90 $ 2.72