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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (USD $)
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY      
Cash dividends paid on common stock (in dollars per share) $ 0.44 $ 0.40 $ 0.36
Issuance of shares under stock-based compensation plans (in shares) 1,664,835 1,009,520 1,407,860
Purchase of shares of common stock (in shares) 2,604,525 4,592,760 5,356,948