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Consolidated Statements of Stockholders' Equity (Parenthetical)
12 Months Ended
Jan. 27, 2013
Jan. 29, 2012
Jan. 30, 2011
Jan. 31, 2010
Common stock, shares outstanding 66,607,347 64,964,780 63,927,740 61,261,015
Treasury stock reissued (in shares) 1,915,706 3,316,566 2,825,111  
Shares issued under equity award plans     6,250  
Common Stock
       
Common stock, shares outstanding 66,607,347 64,964,780 63,927,740 61,261,015
Treasury stock reissued (in shares) 1,915,706 3,316,566 2,825,111  
Shares issued under equity award plans 0 0 6,250