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Shareholders' Equity (Schedule Of Share Repurchases) (Details) (USD $) | 12 Months Ended
--- | ---
Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Shareholders' Equity [Abstract] |  |  |
Shares repurchased | 267,000 | 183,025 | 142,823
Cost | $ 1,176,661 | $ 846,287 | $ 425,345

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- Definition Repurchase and retirement of common stock, shares + References No definition available. + Details
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Period Type: | duration

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- Details
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