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Note 9 - Senior Secured, Senior, Senior Exchangeable, Senior Amortizing and Senior Subordinated Notes (Details) - Senior Secured, Senior and Senior Subordinated Notes (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2013
Oct. 31, 2012
The 7.25% 2020 Notes [Member] | Senior Secured Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes $ 577,000 $ 577,000
The 9.125% 2020 Notes [Member] | Senior Secured Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 220,000 220,000
The 2.0% 2021 Notes [Member] | Senior Secured Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 53,119 53,109
The 5.0% 2021 Notes [Member] | Senior Secured Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 128,492 127,260
The 6.5% 2014 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes   36,649
The 6.375% 2014 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes   3,015
The 6.25% 2015 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 21,438 21,438
The 11.875% 2015 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 60,044 59,716
The 6.25% 2016 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 172,153 130,343
The 7.5% 2016 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 86,532 86,532
The 8.625% 2017 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 121,043 121,043
The 11.0% 2017 Amortizing Note [Member] | Senior Amortizing Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 20,857 23,149
Senior Exchangeable Notes Due 2017 [Member] | Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 66,615 76,851
The 7.25% Senior Subordinated Amorizing Notes [Member] | Senior Subordinated Amortizing Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 2,152 6,091
Senior Secured Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes 978,611 977,369
Unsecured Senior Notes Excluding Senior Amortizing Notes And Senior Exchangeable Notes [Member]
   
Debt Instrument [Line Items]    
Senior Secured Notes $ 461,210 $ 458,736