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Note 11 (Details) (USD $)
 3 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2012
Jul. 31, 2012
Jul. 31, 2013
Oct. 31, 2012
Apr. 30, 2012
Feb. 09, 2011
Jul. 31, 2013
Initial [Member]
Jul. 31, 2013
Additional [Member]
Jul. 31, 2013
Cash [Member]
The 9.125% 2020 Notes [Member]
Jul. 31, 2013
Cash [Member]
Guarantees [Member]
Jul. 31, 2013
Letters of Credit Collateral [Member]
Oct. 31, 2012
Letters of Credit Collateral [Member]
Jul. 31, 2013
Real Estate [Member]
Senior Notes [Member]
Jul. 31, 2013
Notes Collateral [Member]
Jul. 31, 2013
The 9.125% 2020 Notes [Member]
Jul. 31, 2005
Series A Preferred Stock [Member]
Jul. 31, 2013
Series A Preferred Stock [Member]
Jul. 31, 2013
Common Class A [Member]
Oct. 31, 2012
Common Class A [Member]
Apr. 11, 2012
Common Class A [Member]
Jul. 31, 2013
The 7.25% 2020 Notes [Member]
Jul. 31, 2013
The 9.125% 2020 Notes [Member]
Jul. 31, 2013
The 2.0% 2021 Notes [Member]
Jul. 31, 2013
The 5.0% 2021 Notes [Member]
Jul. 31, 2013
The 6.5% 2014 Notes [Member]
Jul. 31, 2013
The 6.375% 2014 Notes [Member]
Jul. 31, 2013
The 6.25% 2015 Notes [Member]
Jul. 31, 2013
The 6.25% 2016 Notes [Member]
Jul. 31, 2013
The 7.5% 2016 Notes [Member]
Jul. 31, 2013
The 8.625% 2017 Notes [Member]
Apr. 30, 2012
The 8.625% 2017 Notes [Member]
Jul. 31, 2013
The 11.875% 2015 Notes [Member]
Jul. 31, 2013
The 11.0% 2017 Amortizing Note [Member]
Jul. 31, 2013
The 6.00% Exchangable Note Units [Member]
Oct. 02, 2012
The 6.00% Exchangable Note Units [Member]
Jul. 31, 2013
Senior Exchangeable Notes Due 2017 [Member]
Jul. 31, 2013
Exchangeable Note Units [Member]
Jul. 31, 2013
Tangible Equity Units [Member]
Jul. 31, 2012
Note Repurchases [Member]
Jul. 31, 2012
Note Repurchases [Member]
Jul. 31, 2012
Three Months [Member]
The 6.25% 2016 Notes [Member]
Jul. 31, 2012
Three Months [Member]
The 7.5% 2016 Notes [Member]
Jul. 31, 2012
Three Months [Member]
The 8.625% 2017 Notes [Member]
Jul. 31, 2013
Three Months [Member]
The 11.875% 2015 Notes [Member]
Jul. 31, 2012
Three Months [Member]
Jul. 31, 2013
Nine Months [Member]
The 6.25% 2016 Notes [Member]
Jul. 31, 2012
Nine Months [Member]
The 6.25% 2016 Notes [Member]
Jul. 31, 2013
Nine Months [Member]
The 7.5% 2016 Notes [Member]
Jul. 31, 2012
Nine Months [Member]
The 7.5% 2016 Notes [Member]
Jul. 31, 2013
Nine Months [Member]
The 8.625% 2017 Notes [Member]
Jul. 31, 2012
Nine Months [Member]
The 8.625% 2017 Notes [Member]
Jul. 31, 2013
Nine Months [Member]
The 11.875% 2015 Notes [Member]
Jul. 31, 2012
Nine Months [Member]
Note 11 (Details) [Line Items]                                                                                                          
Debt Instrument, Face Amount (in Dollars)             $ 992,000,000 $ 460,600,000                         $ 577,000,000 $ 220,000,000 $ 53,200,000 $ 141,800,000 $ 36,700,000 $ 3,000,000 $ 21,400,000 $ 131,200,000 $ 86,500,000 $ 121,000,000   $ 60,800,000     $ 100,000,000 $ 65,800,000                                  
Secured Debt     978,300,000                                                                                                    
Debt Instrument, Interest Rate, Stated Percentage                                         7.25% 9.125% 2.00% 5.00% 6.50% 6.375% 6.25% 6.25% 7.50% 8.625%   11.875% 11.00% 6.00% 6.00%   6.00%                                
Senior Notes, Unsecured     459,100,000                                                           20,900,000     65,800,000                                  
Subordinated Debt (in Dollars)     3,181,000 6,091,000 [1]                                                                   3,200,000                              
Tangible Equity Units, Rate     7.25%     7.25%                                                               7.25%                              
Debt Collateral                         85,000,000   549,000,000                                                                            
Cash Collateral for Borrowed Securities                 169,300,000 56,300,000 5,200,000 30,700,000                                                                                  
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures     54,300,000 61,100,000                   46,300,000                                                                              
Fixed Charge Coverage Ratio, Numerator     2.0                                                                                                    
Fixed Charge Coverage Ratio, Denominator     1.0                                                                                                    
Preferred Stock, Dividend Rate, Percentage                               7.625% 7.625%                                                                        
Debt Instrument, Repurchased Face Amount (in Dollars)         12,200,000                                                   9,100,000                         2,000,000   21,000,000   61,100,000   37,400,000   2,000,000  
Debt Instrument, Repurchase Amount                                                                                         1,500,000               72,200,000
Gains (Losses) on Extinguishment of Debt (in Dollars) 6,230,000 57,966,000                                                                         400,000 48,400,000         5,800,000               9,300,000
Common Stock, Shares, Issued (in Shares)                                   136,305,223 130,055,304 [1] 25,000,000                                                                  
Debt Instrument Exchanged Face Amount                                                                                 $ 7,800,000 $ 4,000,000 $ 9,200,000       $ 7,800,000   $ 4,000,000   $ 18,300,000    
[1] Derived from the audited balance sheet as of October 31, 2012.