Commitments and Contingencies (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 10, 2015	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Loss Contingencies [Line Items]
Capital Lease Obligations		$ 660	$ 726
Debt Instrument, Unused Borrowing Capacity, Amount		$ 10,000
Lease Payment Terms		36 months
Amount of option to purchase leased property		$ 4,700
Lessee Leasing Arrangements, Operating Leases, Renewal Term		15 years
Operating Leases, Rent Expense, Net		$ 1,800	1,700	$ 1,700
Operating Leases, Future Minimum Payments Due, Next Twelve Months		1,321
Operating Leases, Future Minimum Payments, Due in Two Years		1,053
Operating Leases, Future Minimum Payments, Due in Three Years		737
Operating Leases, Future Minimum Payments, Due in Four Years		325
Operating Leases, Future Minimum Payments, Due in Five Years		363
Operating Leases, Future Minimum Payments, Due Thereafter		3,751
Operating Leases, Future Minimum Payments Due		7,550
Capital Leases, Future Minimum Payments Due, Next Twelve Months		375
Capital Leases, Future Minimum Payments Due in Two Years		216
Capital Leases, Future Minimum Payments Due in Three Years		60
Capital Leases, Future Minimum Payments Due in Four Years		9
Capital Leases, Future Minimum Payments Due in Five Years		0
Capital Leases, Future Minimum Payments Due Thereafter		0
Capital Leases, Future Minimum Payments Due		660
Reserve for Performance Guarantees		3,300	2,600
Loss reserve on service agreements		2,700	$ 800
Planned expenditures Phase 1	$ 23,000
Planned expenditures both phases	65,000
Debt Instrument, Collateral Amount		10,000
Total potential funding	$ 20,000
Recorded Unconditional Purchase Obligation		$ 61,700