Goodwill and Intangible Assets Changes in carrying amount of finite-lived intangible assets (Details) $ in Thousands	9 Months Ended
	Jul. 31, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	$ 15,025
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	2,328
Amortization expense	(1,767)
Foreign currency translation and other	(106)
Intangible Assets, Net, End of Period	15,480
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	11,648
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	0
Amortization expense	(999)
Foreign currency translation and other	(3)
Intangible Assets, Net, End of Period	10,646
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	1,997
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	2,328
Amortization expense	(651)
Foreign currency translation and other	(103)
Intangible Assets, Net, End of Period	3,571
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	31
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	0
Amortization expense	(12)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	19
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	1,254
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	0
Amortization expense	(93)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	1,161
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	95
Finite-Lived Intangible Assets, Purchase Accounting Adjustments	0
Amortization expense	(12)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	$ 83