Goodwill and Intangible Assets Changes in carrying amount of finite-lived intangible assets (Details) $ in Thousands	6 Months Ended
	Apr. 30, 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	(1,160)
Foreign currency translation and other	(36)
Intangible Assets, Net, End of Period	16,157
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	(666)
Foreign currency translation and other	(3)
Intangible Assets, Net, End of Period	10,979
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	(416)
Foreign currency translation and other	(33)
Intangible Assets, Net, End of Period	3,876
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	(8)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	23
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	(62)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	1,192
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	(8)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	$ 87