Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Current:
Federal	$ 0	$ (194)	$ (918)
State	857	(518)	223
Foreign	8,465	8,202	1,936
Total current	9,322	7,490	1,241
Deferred:
Federal	0	160	700
State	0	23	0
Foreign	0	0	0
Total deferred	0	183	700
Provision for income taxes	$ 9,322	$ 7,673	$ 1,941