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Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details) - USD ($)
$ in Thousands
Jul. 31, 2021
Oct. 31, 2020
Notes, Fair Value $ 1,336,652 $ 1,241,570
Fair Value, Inputs, Level 1 [Member]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 2 [Member]    
Notes, Fair Value 213,518 173,046
Fair Value, Inputs, Level 3 [Member]    
Notes, Fair Value 1,123,134 1,068,524
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member]    
Notes, Fair Value 71,564 67,941
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member]    
Notes, Fair Value   107,878
Senior Secured Notes [Member] | The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member]    
Notes, Fair Value 166,427 132,246
Senior Secured Notes [Member] | The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 371,438 353,500
Senior Secured Notes [Member] | The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 304,908 274,558
Senior Secured Notes [Member] | The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 162,527 162,723
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 10.5% 2024 Notes [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 10.0% 2022 Notes [Member]    
Notes, Fair Value   0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 10.5% 2024 Notes [Member]    
Notes, Fair Value 71,564 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 10.0% 2022 Notes [Member]    
Notes, Fair Value   107,878
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 0 0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 10.5% 2024 Notes [Member]    
Notes, Fair Value 0 67,941
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 10.0% 2022 Notes [Member]    
Notes, Fair Value   0
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member]    
Notes, Fair Value 166,427 132,246
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 371,438 353,500
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 304,908 274,558
Senior Secured Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]    
Notes, Fair Value 162,527 162,723
Senior Notes [Member] | The 13.5% 2026 Notes [Member]    
Notes, Fair Value 89,684 54,354
Senior Notes [Member] | The 5.0% 2040 Notes [Member]    
Notes, Fair Value 52,270 10,814
Senior Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 13.5% 2026 Notes [Member]    
Notes, Fair Value 0 0
Senior Notes [Member] | Fair Value, Inputs, Level 1 [Member] | The 5.0% 2040 Notes [Member]    
Notes, Fair Value 0 0
Senior Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 13.5% 2026 Notes [Member]    
Notes, Fair Value 89,684 54,354
Senior Notes [Member] | Fair Value, Inputs, Level 2 [Member] | The 5.0% 2040 Notes [Member]    
Notes, Fair Value 52,270 10,814
Senior Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 13.5% 2026 Notes [Member]    
Notes, Fair Value 0 0
Senior Notes [Member] | Fair Value, Inputs, Level 3 [Member] | The 5.0% 2040 Notes [Member]    
Notes, Fair Value 0 0
Unsecured Senior Term Loan [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member]    
Notes, Fair Value 26,507 13,091
Unsecured Senior Term Loan [Member] | Fair Value, Inputs, Level 1 [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member]    
Notes, Fair Value 0 0
Unsecured Senior Term Loan [Member] | Fair Value, Inputs, Level 2 [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member]    
Notes, Fair Value 0 0
Unsecured Senior Term Loan [Member] | Fair Value, Inputs, Level 3 [Member] | Senior Unsecured Term Loan Credit Facility Due 2027 [Member]    
Notes, Fair Value 26,507 13,091
Senior Secured Term Loan [Member] | The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member]    
Notes, Fair Value 91,327 64,465
Senior Secured Term Loan [Member] | Fair Value, Inputs, Level 1 [Member] | The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member]    
Notes, Fair Value 0 0
Senior Secured Term Loan [Member] | Fair Value, Inputs, Level 2 [Member] | The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member]    
Notes, Fair Value 0 0
Senior Secured Term Loan [Member] | Fair Value, Inputs, Level 3 [Member] | The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member]    
Notes, Fair Value $ 91,327 $ 64,465