Goodwill and Intangible Assets Changes in carrying amount of finite-lived intangible assets (Details) $ in Thousands	9 Months Ended
	Jul. 31, 2020 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Net, Beginning of Period	$ 13,025
Impairment	(4,858)
Amortization expense	(1,396)
Foreign currency translation and other	105
Intangible Assets, Net, End of Period	6,876
Customer Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Net, Beginning of Period	8,977
Impairment	(3,313)
Amortization expense	(998)
Foreign currency translation and other	3
Intangible Assets, Net, End of Period	4,669
Developed Technology Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Net, Beginning of Period	2,979
Impairment	(1,148)
Amortization expense	(294)
Foreign currency translation and other	102
Intangible Assets, Net, End of Period	1,639
Trade Names [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Net, Beginning of Period	1,008
Impairment	(377)
Amortization expense	(93)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	538
Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Net, Beginning of Period	61
Impairment	(20)
Amortization expense	(11)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	$ 30