Goodwill and Intangible Assets Changes in carrying amount of finite-lived intangible assets (Details) $ in Thousands	6 Months Ended
	Apr. 30, 2019 USD ($)
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	$ 14,939
Amortization expense	(942)
Foreign currency translation and other	(24)
Intangible Assets, Net, End of Period	13,973
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	10,311
Amortization expense	(666)
Foreign currency translation and other	(2)
Intangible Assets, Net, End of Period	9,643
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	3,404
Amortization expense	(198)
Foreign currency translation and other	(22)
Intangible Assets, Net, End of Period	3,184
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	15
Amortization expense	(8)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	7
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	1,131
Amortization expense	(62)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	1,069
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	78
Amortization expense	(8)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	$ 70