Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Estimated amortization expense	$ 1,764
Capitalized software development costs during period	170	$ 158
Total amortization expense	58	49
Developed Technology, Patents And Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	70	79
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated amortization expense	92
Capitalized Software [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated amortization expense	$ 2,545
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives	5 years
Amortization expense in cost of equipment, supplies and accessories	$ 12	$ 30
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives	10 years
Maximum [Member] | Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives	7 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives	5 years