Note 19 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)		3 Months Ended		12 Months Ended
		Jan. 31, 2019		Oct. 31, 2018		Jan. 15, 2019	Jul. 27, 2017	Nov. 01, 2011
9.5% Senior Secured Notes Due 2020 [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate		9.50%		9.50%
Debt Instrument, Maturity Date		Nov. 15, 2020		Nov. 15, 2020
The 2.0% 2021 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate		2.00%	[1],[2]	2.00%	[1],[2]			2.00%
Debt Instrument, Maturity Date	[1],[2]	Nov. 01, 2021		Nov. 01, 2021
The 5.0% 2021 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate		5.00%	[1],[2]	5.00%	[1],[2]			5.00%
Debt Instrument, Maturity Date	[1],[2]	Nov. 01, 2021		Nov. 01, 2021
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate		10.00%	[1],[2]	10.00%	[1],[2]		10.00%
Debt Instrument, Maturity Date	[1],[2]	Jul. 15, 2022		Jul. 15, 2022
The 10.5% 2024 Notes [Member]
Debt Instrument, Stated Interest Rate						10.50%
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate		10.50%		10.50%
Debt Instrument, Maturity Date		Jul. 15, 2024		Jul. 15, 2024
The 10.5% 2024 Notes [Member] | Senior Notes [Member]
Debt Instrument, Stated Interest Rate		10.50%
The 13.5% 2026 Notes [Member] | Senior Notes [Member]
Debt Instrument, Stated Interest Rate				13.50%
Debt Instrument, Maturity Date				Feb. 01, 2026
The 5.0% 2040 Notes [Member] | Senior Notes [Member]
Debt Instrument, Stated Interest Rate				5.00%
Debt Instrument, Maturity Date				Feb. 01, 2040
Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Unsecured Senior Term Loan [Member]
Debt Instrument, Maturity Date		Feb. 01, 2027		Feb. 01, 2027

[1] Notes payable on our Condensed Consolidated Balance Sheets as of January 31, 2019 and October 31, 2018 consists of the total senior secured, senior, senior amortizing and senior exchangeable notes shown above, as well as accrued interest of $18.1 million and $35.6 million, respectively.

[2] Unamortized debt issuance costs at January 31, 2019 and October 31, 2018 were $13.7 million and $14.1 million, respectively.