Nature of Business and Basis of Presentation Nature of Business and Basis of Presentation (Tables) (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
Nature of Business and Basis of Presentation [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (10,010)	$ (7,830)	$ (24,387)	$ (38,845)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(78)	0	(80)	4
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (10,088)	$ (7,830)	$ (24,467)	$ (38,841)