Earnings Per Share and Stock-Based Compensation (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Jul. 31, 2012 Y
Changes in shares excluding performance options
Outstanding, beginning shares	13,399,381
Outstanding, beginning weighted average price	$ 4.40
Outstanding, beginning weighted average life
Granted, Shares	375,000
Granted, weighted average price	$ 3.66
Exercised, shares	(104,664)
Exercised, weighted average price	$ 2.17
Exercised, aggregate intrinsic value	$ 153
Canceled, performance options	(834,302)
Cancelled, weighted average price	$ 3.98
Outstanding, ending shares	12,835,415
Outstanding, ending weighted average price	$ 4.42
Outstanding, ending aggregate intrinsic value	4,286
Outstanding, ending weighted average life	5.4
Options exercisable, July 31, 2012 , shares	7,199,073
Options exercisable, July 31, 2012 , Weighted Average Price	$ 5.23
Options exercisable, July 31, 2012 , Weighted Average Life	3.9
Options exercisable, July 31, 2012 , Aggregate Intrinsic Value	$ 2,072