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Note 9 - Senior Notes and Term Loan - Senior Secured, Senior and Senior Subordinated Notes (Details) - USD ($)
$ in Thousands
Oct. 31, 2016
Oct. 31, 2015
Senior Notes $ 1,606,250  
Senior Secured Term Loan [Member]    
Senior Notes 75,000
Senior Secured Notes [Member]    
Senior Notes 1,054,333 981,346
Senior Secured Notes [Member] | The 7.25% 2020 Notes [Member]    
Senior Notes 577,000 577,000
Senior Secured Notes [Member] | The 10.0% 2018 Notes [Member]    
Senior Notes 71,482
Senior Secured Notes [Member] | The 9.125% 2020 Notes [Member]    
Senior Notes 145,000 220,000
Senior Secured Notes [Member] | The 9.50% 2020 Notes [Member]    
Senior Notes 75,000
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member]    
Senior Notes 53,149 53,139
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member]    
Senior Notes 132,702 131,207
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]    
Senior Notes 400,000 780,319
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 6.25% 2016 Notes [Member]    
Senior Notes   172,744
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 7.5% 2016 Notes [Member]    
Senior Notes 86,532
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 8.625% 2017 Notes [Member]    
Senior Notes 121,043
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 7.0% 2019 Notes [Member]    
Senior Notes 150,000 150,000
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 8.0% Senior Notes Due 2019 [Member]    
Senior Notes 250,000 250,000
Senior Amortizing Notes [Member] | The 11.0% 2017 Amortizing Note [Member]    
Senior Notes 6,316 12,811
Senior Amortizing Notes [Member] | Senior Exchangeable Notes Due 2017 [Member]    
Senior Notes $ 57,841 $ 73,771