Condensed Consolidated Statement of Equity (Unaudited) - 6 months ended Apr. 30, 2018 - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Oct. 31, 2017	132,285,310	15,307,607	5,600
Balance at Oct. 31, 2017	$ 1,440	$ 160	$ 135,299	$ 706,466	$ (1,188,376)	$ (115,360)	$ (460,371)
Stock options, amortization and issuances (in shares)	24,000
Stock options, amortization and issuances				302			302
Restricted stock amortization, issuances and forfeitures (in shares)	332,264	164,316
Restricted stock amortization, issuances and forfeitures	$ 4	$ 2		719			725
Conversion of Class B to Class A common stock (in shares)	1,441	(1,441)
Net (loss)					(40,632)		(40,632)
Balance (in shares) at Apr. 30, 2018	132,643,015	15,470,482	5,600
Balance at Apr. 30, 2018	$ 1,444	$ 162	$ 135,299	$ 707,487	$ (1,229,008)	$ (115,360)	$ (499,976)