Fair Value Disclosures (Level 4 FV of Fin Instr) (Details) - Fair Value, Measurements, Recurring [Member] - Level 2 [Member] - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Forward Contracts [Member] | Residential Mortgage [Member]
Summary of assets and (liabilities), measured at fair value on a recurring basis
Derivative Asset	$ 861	$ 1,390
Assets Held-for-sale [Member] | Residential Mortgage [Member]
Summary of assets and (liabilities), measured at fair value on a recurring basis
Loans Held-for-sale, Fair Value Disclosure	132,922	248,601
Interest Rate Lock Commitments [Member] | Forward Contracts [Member]
Summary of assets and (liabilities), measured at fair value on a recurring basis
Derivative Asset	1,293	921
Interest Rate Lock Commitments [Member]
Summary of assets and (liabilities), measured at fair value on a recurring basis
Derivative Asset/(Liability)	$ (1,293)	$ (921)