Stock-Based Benefit Plans ESPP (ESPP) (Details 10) - Employee Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Discounted Market Price of Common Stock on Specified Offering Dates without Restriction under Employee Stock Purchase Plan	95.00%
Discounted Market Price of Common Stock on Specified Offering Dates Subject to Restrictions under Employee Stock Purchase Plan	85.00%
Shares Reserved for Employee Stock Purchase Plan	500,000
Common Stock, Capital Shares Reserved for Future Issuance	484,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans	33,314	36,778	26,674
Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased	$ 32.25	$ 25.97	$ 31.65
Employee Stock Ownership Plan (ESOP), Compensation Expense	$ 147	$ 129	$ 113