Employee Benefit Plans (Summary Of Restricted Stock Award Activities Under The 2005 Director Plan) (Details) (2005 Director Plan [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2011
2005 Director Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock Units, Beginning balance	57
Restricted shares, Granted	27
Restricted Shares, Vested	(30)
Restricted Stock Units, Ending balance	54
Weighted Average Grant Date Fair Value, Beginning balance	$ 21.33
Weighted Average Grant Date Fair Value, Granted	$ 27.50
Weighted Average Grant Date Fair Value, Vested	$ 20.83
Weighted Average Grant Date Fair Value	$ 24.73