Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 0	$ 25	$ 0	$ 25
Retructuring Plan - Versant India Private Ltd [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date			203
Restructuring	$ 0	$ 25	$ 0	$ 25