Note 12 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)	6 Months Ended	12 Months Ended
	Apr. 30, 2024	Oct. 31, 2023
Senior Unsecured Term Loan Credit Facility Due 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Feb. 01, 2027	Feb. 01, 2027
The 10.0% Senior Secured 1.75 Lien Notes due November 15, 2025 [Member] | Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		10.00%
Debt Instrument, Maturity Date		Nov. 15, 2025
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	13.50%	13.50%
Debt Instrument, Maturity Date	Feb. 01, 2026	Feb. 01, 2026
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.00%	5.00%
Debt Instrument, Maturity Date	Feb. 01, 2040	Feb. 01, 2040
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date	Jan. 31, 2028	Jan. 31, 2028
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	11.75%	11.75%
Debt Instrument, Maturity Date	Sep. 30, 2029	Sep. 30, 2029
The 8.0% Senior Secured 1.125 Lien Notes Due 2028 [Member] | Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	8.00%	8.00%
Debt Instrument, Maturity Date	Sep. 30, 2028	Sep. 30, 2028