Note 11 - Senior Notes and Credit Facilities - Senior Notes and Credit Facilities Balances (Details) (Parentheticals)		3 Months Ended		12 Months Ended
		Jan. 31, 2019		Oct. 31, 2018		Feb. 01, 2018	Jul. 27, 2017	Nov. 01, 2011
Senior Unsecured Term Loan Credit Facility Due 2027 [Member]
Debt Instrument, Maturity Date		Feb. 01, 2027		Feb. 01, 2027
The 9.50% 2020 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	[1],[2]	9.50%		9.50%
Debt Instrument, Maturity Date	[1],[2]	Nov. 15, 2020		Nov. 15, 2020
The 2.0% 2021 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		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, Interest Rate, Stated Percentage		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, Interest Rate, Stated Percentage		10.00%	[1],[2]	10.00%	[1],[2]		10.00%
Debt Instrument, Maturity Date	[1],[2]	Jul. 15, 2022		Jul. 15, 2022
The 8.0% Senior Notes Due 2019 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	[1],[2]	8.00%		8.00%
Debt Instrument, Maturity Date	[1],[2]	Nov. 01, 2019		Nov. 01, 2019
Thirteen and a Half Percent Senior Notes Due 2026 [Member]
Debt Instrument, Interest Rate, Stated Percentage						13.50%
Thirteen and a Half Percent Senior Notes Due 2026 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		13.50%	[1],[2]	13.50%
Debt Instrument, Maturity Date		Feb. 01, 2026	[1],[2]	Feb. 01, 2026
Five Percent Senior Notes due 2040 [Member]
Debt Instrument, Interest Rate, Stated Percentage						5.00%
Five Percent Senior Notes due 2040 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		5.00%	[1],[2]	5.00%
Debt Instrument, Maturity Date		Feb. 01, 2040	[1],[2]	Feb. 01, 2040

[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.