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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' INVESTMENT (PARENTHETICAL) - $ / shares
3 Months Ended 12 Months Ended
Jan. 29, 2017
Jan. 24, 2016
Oct. 30, 2016
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' INVESTMENT      
Declared cash dividends (in dollars per share) $ 0.170 $ 0.145 $ 0.58