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Consolidated Statements of Stockholders Equity (Parentheticals) (USD $)
12 Months Ended
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2009
Statements Of Stockholders Equity Parentheticals [Abstract]      
Hedging Activity Of Equity Method Investments In AOCI $ (452,000) $ (530,000)  
Tax effect of unrealized gain (loss) from hedging activities (371,000) (52,000) (3,886,000)
Tax effect of reclassification from hedging activities realized $ 420,000 $ 1,291,000 $ 1,879,000
Dividends declared per share $ 1.15 $ 1.11 $ 1.07