v3.26.1
Note 20 - Fair Value of Financial Instruments - Fair Value of Notes (Details) - USD ($)
$ in Thousands
Apr. 30, 2026
Oct. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value $ 922,846 $ 937,656
Unsecured Senior Notes [Member] | 8.0% Senior Notes due April 1, 2031 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 453,785 459,972
Unsecured Senior Notes [Member] | 8.375% Senior Notes due October 1, 2033 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 452,826 461,192
Unsecured Senior Notes [Member] | 5.0% Senior Notes due February 1, 2040 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 16,235 16,492
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 1 [Member] | Unsecured Senior Notes [Member] | 8.0% Senior Notes due April 1, 2031 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 1 [Member] | Unsecured Senior Notes [Member] | 8.375% Senior Notes due October 1, 2033 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 1 [Member] | Unsecured Senior Notes [Member] | 5.0% Senior Notes due February 1, 2040 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 922,846 937,656
Fair Value, Inputs, Level 2 [Member] | Unsecured Senior Notes [Member] | 8.0% Senior Notes due April 1, 2031 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 453,785 459,972
Fair Value, Inputs, Level 2 [Member] | Unsecured Senior Notes [Member] | 8.375% Senior Notes due October 1, 2033 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 452,826 461,192
Fair Value, Inputs, Level 2 [Member] | Unsecured Senior Notes [Member] | 5.0% Senior Notes due February 1, 2040 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 16,235 16,492
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 3 [Member] | Unsecured Senior Notes [Member] | 8.0% Senior Notes due April 1, 2031 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 3 [Member] | Unsecured Senior Notes [Member] | 8.375% Senior Notes due October 1, 2033 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value 0 0
Fair Value, Inputs, Level 3 [Member] | Unsecured Senior Notes [Member] | 5.0% Senior Notes due February 1, 2040 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes, Fair Value $ 0 $ 0