Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Cost	$ 27,733		$ 27,733
Accumulated Amortization	(11,576)		(11,576)
Net	(16,157)		(16,157)		$ (15,025)
Amortization of Intangible Assets	(595)	$ (564)	$ (1,160)	$ (1,129)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			13 years 2 months 14 days
Cost	17,568		$ 17,568
Accumulated Amortization	(6,589)		(6,589)
Net	(10,979)		$ (10,979)		(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	7,300		$ 7,300
Accumulated Amortization	(3,424)		(3,424)
Net	(3,876)		$ (3,876)		(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	(801)		(801)
Net	(23)		$ (23)		(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	(683)		(683)
Net	(1,192)		$ (1,192)		(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	(79)		(79)
Net	$ (87)		$ (87)		$ (95)