CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] (USD $) In Thousands, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
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
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
Common Class A [Member]
Common stock, par value (in dollar per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	39,586	39,397
Common stock, shares outstanding	39,586	39,397
Common Stock [Member]
Common stock, par value (in dollar per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	26,790	26,682
Common stock, shares outstanding	26,790	26,682