Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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Before tax and reclassification adjustments amount of unrealized holding gain (loss) and transfers on available-for-sale securities.

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Investment Securities, Available-for-Sale (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013 Available-for-sale Securities [Member]	Oct. 31, 2012 Available-for-sale Securities [Member]
Available For Sale Securities Gross Realized Gain (Loss) Net Abstract
Available-for-sale securities realized gains	$ 415,000	$ 41,000	$ 5,666,000	$ 288,000
Available-for-sale securities realized losses	(235,000)	(230,000)	(235,000)	(353,000)
Available-for-sale securities net realized gains (losses)	180,000	(189,000)	5,431,000	(65,000)
Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract]
Net unrealized holding gains and (losses) on investment securities, available-for-sale, included in other comprehensive income	600,000	(300,000)	(2,300,000)	2,500,000
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale securities at cost					10,939,000	22,331,000
Available-for-sale securities unrealized gross gains					6,609,000	8,835,000
Available-for-sale securities unrealized gross losses					(91,000)	(18,000)
Available-for-sale securities at fair value					17,457,000	31,148,000
Available-for-sale securities fair value associated with the unrealized losses					$ 1,200,000