Goodwill and Intangible Assets Expected Amortization (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 26
Finite-Lived Intangible Assets, Amortization Expense, Year Two	103
Finite-Lived Intangible Assets, Amortization Expense, Year Three	30
Finite-Lived Intangible Assets, Amortization Expense, Year Four	23
Finite-Lived Intangible Assets, Amortization Expense, Year Five	23
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	26
Finite-Lived Intangible Assets, Net	$ 231	$ 309