Pension and Other Post-Retirement Benefit Matters Early-Adoption of ASU 2017-07 - Impact (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 52	$ 41
New Accounting Pronouncement, Early Adoption, Effect [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost			$ 163	$ 154
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 284	$ 327	$ 853	$ 955