Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Preferred stock, shares authorized	100,000	100,000	[1]
Preferred stock, shares issued	5,600	5,600	[1]
Preferred stock, liquidation preference (in Dollars)	$ 140,000	$ 140,000	[1]
Preferred stock, outstanding	5,600	5,600	[1]
Common Class A [Member]
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	400,000,000	400,000,000	[1]
Common stock, shares issued	143,178,282	142,836,563	[1]
Common stock, shares held in Treasury	11,760,763	11,760,763	[1]
Common Class B [Member]
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	60,000,000	60,000,000	[1]
Common stock, shares issued	15,675,467	15,497,543	[1]
Common stock, shares held in Treasury	691,748	691,748	[1]

[1] Derived from the audited balance sheet as of October 31, 2014.