CONDENSED CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] (USD $) In Thousands, except Per Share data, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000	10,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	21,327	21,318
Common stock, shares outstanding	21,327	21,318
Series B Junior Participating Preferred Stock [Member]
Preferred stock, shares designated	300	300
Preferred stock, shares issued	0	0
Series C Junior Participating Preferred Stock [Member]
Preferred stock, shares designated	300	300
Preferred stock, shares issued	0	0
Class A Common Stock [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	31,340	31,278
Common stock, shares outstanding	31,340	31,278