Goodwill and Intangible Assets Changes in carrying amount of finite-lived intangible assets (Details) $ in Thousands	6 Months Ended
	Apr. 30, 2015 USD ($)
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net, Beginning of Period	$ 21,998
Amortization expense	(1,309)
Foreign currency translation and other	(103)
Intangible Assets, Net, End of Period	21,056
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	390
Intangible Assets, Net, Beginning of Period	15,856
Amortization expense	(776)
Foreign currency translation and other	(103)
Intangible Assets, Net, End of Period	15,367
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	0
Intangible Assets, Net, Beginning of Period	4,311
Amortization expense	(391)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	3,920
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	80
Intangible Assets, Net, Beginning of Period	62
Amortization expense	(72)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	70
Trade Name, Finite Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	0
Intangible Assets, Net, Beginning of Period	1,624
Amortization expense	(62)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	1,562
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	0
Intangible Assets, Net, Beginning of Period	145
Amortization expense	(8)
Foreign currency translation and other	0
Intangible Assets, Net, End of Period	137
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 470