Shareholders' Equity (Schedule Of Our Option Activity) (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Equity [Abstract]
Outstanding at beginning of year, Shares	346,572	600,573
Exercised, Shares	(27,500)	(49,500)
Expired or cancelled, Shares	(33,000)	(204,501)
Outstanding at end of period, Shares	286,072	346,572
Outstanding at beginning of year, Weighted average exercise price	$ 6.31	$ 6.12
Exercised, Weighted Average Exercise Price	$ 3.52	$ 2.76
Expired or cancelled, Weighted Average Exercise Price	$ 6.41	$ 6.61
Outstanding at end of period, Weighted average exercise price	$ 6.57	$ 6.31