Goodwill and Intangible Assets Changes in Carrying Amount of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 27,594	$ 25,441
Finite-Lived Intangible Assets, Accumulated Amortization	(12,655)	(10,416)
Finite-Lived Intangible Assets, Net	$ 14,939	15,025	$ 17,279
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years 10 months 25 days
Finite-Lived Intangible Assets, Gross	$ 17,564	17,569
Finite-Lived Intangible Assets, Accumulated Amortization	(7,253)	(5,921)
Finite-Lived Intangible Assets, Net	$ 10,311	11,648	12,975
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years 9 months 18 days
Finite-Lived Intangible Assets, Gross	$ 7,165	5,007
Finite-Lived Intangible Assets, Accumulated Amortization	(3,761)	(3,010)
Finite-Lived Intangible Assets, Net	$ 3,404	1,997	2,768
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 months 25 days
Finite-Lived Intangible Assets, Gross	$ 824	824
Finite-Lived Intangible Assets, Accumulated Amortization	(809)	(793)
Finite-Lived Intangible Assets, Net	$ 15	31	47
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years 2 months 12 days
Finite-Lived Intangible Assets, Gross	$ 1,875	1,875
Finite-Lived Intangible Assets, Accumulated Amortization	(744)	(621)
Finite-Lived Intangible Assets, Net	$ 1,131	1,254	1,377
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	4 years 9 months 18 days
Finite-Lived Intangible Assets, Gross	$ 166	166
Finite-Lived Intangible Assets, Accumulated Amortization	(88)	(71)
Finite-Lived Intangible Assets, Net	$ 78	$ 95	$ 112