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Note 21 - Fair Value of Financial Instruments - Fair Value of Notes (Details) (Parentheticals)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Mar. 25, 2020	Jan. 31, 2020	Dec. 10, 2019	Jan. 15, 2019
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	10.00%	10.00%	10.00%	10.00%	10.00%
Debt Instrument, Maturity Date	Jul. 15, 2022	Jul. 15, 2022
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	10.50%	10.50%		10.50%	10.50%	10.50%
Debt Instrument, Maturity Date	Jul. 15, 2024	Jul. 15, 2024
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	10.00%	10.00%		10.00%	10.00%
Debt Instrument, Maturity Date	Nov. 15, 2025	Nov. 15, 2025
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	7.75%	7.75%
Debt Instrument, Maturity Date	Feb. 15, 2026	Feb. 15, 2026
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	10.50%	10.50%
Debt Instrument, Maturity Date	Feb. 15, 2026	Feb. 15, 2026
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member]
Debt Instrument, Stated Interest Rate		11.25%	11.25%
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]
Debt Instrument, Stated Interest Rate	11.25%	11.25%
Debt Instrument, Maturity Date	Feb. 15, 2026	Feb. 15, 2026
The 13.5% 2026 Notes [Member] | Senior Notes [Member]
Debt Instrument, Stated Interest Rate	13.50%	13.50%
Debt Instrument, Maturity Date	Feb. 01, 2026	Feb. 01, 2026
The 5.0% 2040 Notes [Member] | Senior Notes [Member]
Debt Instrument, Stated Interest Rate	5.00%	5.00%
Debt Instrument, Maturity Date	Feb. 01, 2040	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
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] | Senior Secured Term Loan [Member]
Debt Instrument, Maturity Date	Jan. 31, 2028	Jan. 31, 2028

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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