Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017	Oct. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Cost	$ 27,663		$ 27,663
Accumulated Amortization	(12,183)		(12,183)
Net	15,480		15,480		$ 15,025
Amortization of Intangible Assets	(607)	$ (565)	$ (1,767)	$ (1,694)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			13 years 2 months 14 days
Cost	17,566		$ 17,566
Accumulated Amortization	(6,920)		(6,920)
Net	10,646		$ 10,646		11,648
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			9 years 1 month 1 day
Cost	7,232		$ 7,232
Accumulated Amortization	(3,661)		(3,661)
Net	3,571		$ 3,571		1,997
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			2 years 3 months 14 days
Cost	824		$ 824
Accumulated Amortization	(805)		(805)
Net	19		$ 19		31
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			14 years 9 months 14 days
Cost	1,875		$ 1,875
Accumulated Amortization	(714)		(714)
Net	1,161		$ 1,161		1,254
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years 14 days
Cost	166		$ 166
Accumulated Amortization	(83)		(83)
Net	$ 83		$ 83		$ 95