Pension and Other Post-Retirement Benefit Matters Early-Adoption of ASU 2017-07 - Impact (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 57
New Accounting Pronouncement, Early Adoption, Effect [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost		$ 56
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ 285	$ 322