Note 16 (Details) (USD $)	3 Months Ended		9 Months Ended						0 Months Ended	3 Months Ended	9 Months Ended				9 Months Ended						9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Apr. 30, 2012	Jul. 03, 2001	Jul. 31, 2013 Increased Amount [Member] Common Class A [Member]	Jul. 31, 2013 Increased Amount [Member] Common Class B [Member]	Apr. 11, 2012 Common Class A [Member]	Apr. 30, 2012 Common Class A [Member]	Jul. 31, 2013 Common Class A [Member]	Mar. 12, 2013 Common Class A [Member]	Oct. 31, 2012 Common Class A [Member]		Jul. 31, 2013 Common Class B [Member]	Mar. 12, 2013 Common Class B [Member]	Oct. 31, 2012 Common Class B [Member]		Apr. 11, 2012 Senior Notes Purchased With Stock Issuance Proceeds [Member]	Apr. 30, 2012 The 8.625% 2017 Notes [Member]	Jul. 31, 2012 The 12.072% Notes [Member]	Apr. 30, 2012 The 12.072% Notes [Member]	Jul. 31, 2013 Minimum [Member]
Note 16 (Details) [Line Items]
Common Stock, Voting Rights											one				ten
Common Stock Dividends, Percent of Increase from Class A to Class B	110.00%		110.00%
Common Stock, Shares Authorized (in Shares)							400,000,000	60,000,000			400,000,000	200,000,000	400,000,000	[1]	60,000,000	30,000,000	60,000,000	[1]
Common Stock, Par or Stated Value Per Share (in Dollars per share)											$ 0.01	$ 0.01	$ 0.01	[1]	$ 0.01	$ 0.01	$ 0.01	[1]
Stock Issued During Period, Shares, New Issues (in Shares)									25,000,000
Sale of Stock, Price Per Share (in Dollars per share)									$ 2.00
Stock Issued During Period, Value, New Issues (in Dollars)									$ 47,300,000
Debt Instrument, Repurchased Face Amount (in Dollars)					12,200,000														75,400,000	9,100,000		3,100,000
Stock Issued During Period, Shares, Other (in Shares)										3,064,330
Gains (Losses) on Extinguishment of Debt (in Dollars)		6,230,000		57,966,000																	3,700,000
Shareholder Ownership Percentage	4.90%		4.90%																				5.00%
Shareholder Ownership, Percentage of Increase	50.00%		50.00%
Number of Rights	1		1
Shareholder, Percent of Stock Acquired	4.90%		4.90%
Shareholders, Pre-existing Ownership Percentage	5.00%		5.00%
Shareholders, Current Ownership Percentage	5.00%		5.00%
Shareholders Ownership Percentage on Transfers	5.00%		5.00%
Shareholders, Ownership Percentage Threshold	5.00%		5.00%
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in Shares)						4,000,000
Stock Repurchased During Period, Shares (in Shares)	0		0
Stock Repurchase Program, Remaining Authorized Repurchase Amount (in Dollars)			$ 500,000

[1] Derived from the audited balance sheet as of October 31, 2012.