Stock-Based Benefit Plans Stock-Based Benefit Plans ESPP (Details 11) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Stock Issued During Period, Shares, Employee Stock Purchase Plans	18,456	23,079	23,587
Average price per share employee stock purchase plan	$ 22.58	$ 15.59	$ 16.20
Employee Stock Ownership Plan (ESOP), Compensation Expense	$ 63	$ 54	$ 57