Employee Benefit Plans (Equity Compensation Plans - 2005 Non-Employee Directors Equity Incentive Plan) (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended	12 Months Ended		12 Months Ended
	Oct. 31, 2011 2005 Non-Employee Directors Equity Incentive Plan [Member]	May 23, 2005 2005 Non-Employee Directors Equity Incentive Plan [Member]	Apr. 25, 2006 2005 Director Plan [Member]	Oct. 31, 2011 2005 Director Plan [Member]	Oct. 31, 2010 2005 Director Plan [Member]	Oct. 31, 2011 2005 Director Plan Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserved for future issuance		300,000		393,653
Shares increase number of shares reserved for future issuance under the 2005 Directors Plan			500,000
Restricted stock awards issued				246,041
Aggregate grant date fair value of restricted stock awards				$ 5.4
Aggregate stock options granted under 2005 director plan				123,649
Vesting period, minimum (in years)						three
Vesting period, maximum (in years)						four
Fair value of option shares granted	$ 3.3
Aggregate stock options outstanding	123,649
Aggregate restricted stock award outstanding				54,000	57,000