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Note 19 - Fair Value of Financial Instruments - Fair Value of Notes (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Oct. 31, 2018
Notes, Fair Value $ 1,214,805 $ 1,268,959
Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 963,044 1,039,947
Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value 251,761 229,012
Senior Secured Notes [Member] | 9.5% Senior Secured Notes Due 2020 [Member]    
Notes, Fair Value 71,250 74,250
Senior Secured Notes [Member] | 9.5% Senior Secured Notes Due 2020 [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | 9.5% Senior Secured Notes Due 2020 [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | 9.5% Senior Secured Notes Due 2020 [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value 71,250 74,250
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member]    
Notes, Fair Value 39,370 40,434
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value 39,370 40,434
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member]    
Notes, Fair Value 117,568 124,781
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 117,568 124,781
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member]    
Notes, Fair Value 380,600 424,670
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 380,600 424,670
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member]    
Notes, Fair Value 344,556 366,720
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 344,556 366,720
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value
Senior Notes [Member] | The 13.5% 2026 Notes [Member]    
Notes, Fair Value   88,148
Senior Notes [Member] | The 13.5% 2026 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value  
Senior Notes [Member] | The 13.5% 2026 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value   88,148
Senior Notes [Member] | The 13.5% 2026 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value  
Senior Notes [Member] | Thirteen and a Half Percent Senior Notes Due 2026 [Member]    
Notes, Fair Value 84,815  
Senior Notes [Member] | Thirteen and a Half Percent Senior Notes Due 2026 [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value  
Senior Notes [Member] | Thirteen and a Half Percent Senior Notes Due 2026 [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 84,815  
Senior Notes [Member] | Thirteen and a Half Percent Senior Notes Due 2026 [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value  
Senior Notes [Member] | Five Percent Senior Notes due 2040 [Member]    
Notes, Fair Value 35,505  
Senior Notes [Member] | Five Percent Senior Notes due 2040 [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value  
Senior Notes [Member] | Five Percent Senior Notes due 2040 [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 35,505  
Senior Notes [Member] | Five Percent Senior Notes due 2040 [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value  
Senior Notes [Member] | The 5.0% 2040 Notes [Member]    
Notes, Fair Value   35,628
Senior Notes [Member] | The 5.0% 2040 Notes [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value  
Senior Notes [Member] | The 5.0% 2040 Notes [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value   35,628
Senior Notes [Member] | The 5.0% 2040 Notes [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value  
Senior Secured Revolving Credit Facility [Member]    
Notes, Fair Value 30,752  
Senior Secured Revolving Credit Facility [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value  
Senior Secured Revolving Credit Facility [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value  
Senior Secured Revolving Credit Facility [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value 30,752  
Unsecured Senior Term Loan [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member]    
Notes, Fair Value 110,389 114,328
Unsecured Senior Term Loan [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value
Unsecured Senior Term Loan [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value
Unsecured Senior Term Loan [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value $ 110,389 $ 114,328