Condensed Consolidated Statement of Equity (Unaudited) (USD $) In Thousands, except Share data	Common Class A [Member]	Common Class B [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Oct. 31, 2010	$ 748	$ 153	$ 135,299	$ 463,908	$ (823,419)	$ (115,257)	$ 630	$ (337,938)
Balance (in Shares) at Oct. 31, 2010	63,114,963	14,564,795	5,600
Stock options, amortization and issuances				3,709				3,709
Restricted stock amortization, issuances and forfeitures	4			147				151
Restricted stock amortization, issuances and forfeitures (in Shares)	402,862
Stock issuance February 14, 2011	135			54,764				54,899
Stock issuance February 14, 2011 (in Shares)	13,512,500
Issuance of prepaid common stock purchase contracts				68,092				68,092
Settlement of prepaid common stock purchase contracts	28			(28)
Settlement of prepaid common stock purchase contracts (in Shares)	2,859,298
Conversion of Class B to Class A Common Stock (in Shares)	3,031	(3,031)
Noncontrolling interest in consolidated joint ventures							(532)	(532)
Net loss					(187,739)			(187,739)
Balance at Jul. 31, 2011	$ 915	$ 153	$ 135,299	$ 590,592	$ (1,011,158)	$ (115,257)	$ 98	$ (399,358)
Balance (in Shares) at Jul. 31, 2011	79,892,654	14,561,764	5,600