Stock-Based Benefit Plans ESPP (ESPP) (Details 10) - Employee Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
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	448,000
Stock Issued During Period, Shares, Employee Stock Purchase Plans	35,471	33,314	36,778
Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased	$ 34.08	$ 32.25	$ 25.97
Employee Stock Ownership Plan (ESOP), Compensation Expense	$ 171	$ 147	$ 129