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Supplemental Disclosure of Noncash Investing and Financing Activities (Details Textual) - USD ($) $ in Millions | 3 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2018 | Jan. 31, 2018 | Oct. 31, 2020 | Mar. 25, 2020 | Jan. 31, 2020 | Dec. 10, 2019 | Nov. 01, 2019 | Oct. 31, 2019 | Jan. 15, 2019 | May 29, 2018 | Feb. 01, 2018
Fair Value of Assets Acquired |  | $ 13.0 |  |  |  |  |  |  |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  | $ 23.3 |  | $ 23.3 |  |  |  |
Operating Lease, Liability, Total |  |  |  |  | $ 24.4 |  | $ 24.4 |  |  |  |
The 8.0% Senior Notes Due 2019 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Interest Rate of Debt | 8.00% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  | 8.00% | 8.00%
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  | $ 170.2
The 13.5% Senior Notes Due 2026 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Interest Rate of Debt | 13.50% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  | 13.50%
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  | $ 90.6
The 5.0% Senior Notes due 2040 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Interest Rate of Debt | 5.00% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  | 5.00%
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  | $ 90.1
The 10.0% 2022 Notes [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.00% | 10.00% | 10.00% | 10.00% |  | 10.00% |  |  |
Debt Instrument Exchanged, Face Amount |  |  |  | $ 59.1 | $ 23.2 | $ 23.2 |  |  |  |  |
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.50% |  | 10.50% | 10.50% |  | 10.50% | 10.50% |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  | $ 25.0 |  |
Debt Instrument Exchanged, Face Amount |  |  |  |  | $ 141.7 | $ 141.7 |  |  |  |  |
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 7.75% |  |  |  |  | 7.75% |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  | $ 350.0 |  |  |
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 11.25% |  |  |  | 11.25% |  |  |
Debt Instrument, Exchange, Amount Issued |  |  |  | $ 59.1 |  |  |  |  |  |  |
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 11.25% |  |  |  |  | 11.25% |  |  |
Debt Instrument Exchanged, Face Amount |  |  |  |  |  |  |  | $ 103.1 |  |  |
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.00% |  | 10.00% | 10.00% |  | 10.00% |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 158.5 | $ 158.5 |  |  |  |  |
Senior Unsecured Term Loan Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Exchanged, Face Amount |  |  |  |  | 163.0 | 163.0 |  |  |  |  |
The 10.0% Senior Secured 1.75 Lien Term Loans Due 2028 [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 81.5 | $ 81.5 |  |  |  |  |

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