Condensed Consolidated Statement of Equity (Unaudited) - 9 months ended Jul. 31, 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)	30,250
Stock options, amortization and issuances				1,169			1,169
Restricted stock amortization, issuances and forfeitures (in shares)	445,704	245,840
Restricted stock amortization, issuances and forfeitures	$ 5	$ 2		222			229
Conversion of Class B to class A common stock (in shares)	1,741	(1,741)
Net (loss)					(41,658)		(41,658)
Balance (in shares) at Jul. 31, 2018	132,763,005	15,551,706	5,600
Balance at Jul. 31, 2018	$ 1,445	$ 162	$ 135,299	$ 707,857	$ (1,230,034)	$ (115,360)	$ (500,631)