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Employee Benefit Plans - Narrative (Details)	12 Months Ended
Employee Benefit Plans - Narrative (Details)	Oct. 31, 2016 USD ($) item	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of defined contribution retirement plans \| item	5
Expenses incurred on defined contribution retirement plans \| $	$ 984,000	$ 922,000	$ 943,000
Expenses incurred on defined benefit retirement plans \| $	$ 8,000	$ 10,000	$ 9,000
Non Qualified Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of retired executives sponsored under the plan \| item	2