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Supplemental Disclosure of Noncash Investing and Financing Activities (Details Textual) - USD ($)
$ in Millions
Apr. 30, 2021
Oct. 31, 2020
Apr. 30, 2020
Mar. 25, 2020
Jan. 31, 2020
Dec. 10, 2019
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member]            
Debt Instrument, Face Amount         $ 158.5 $ 158.5
Debt Instrument, Interest Rate, Stated Percentage 10.00% 10.00%     10.00% 10.00%
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         $ 23.2 $ 23.2
Debt Instrument, Exchange, Amount Issued     $ 59.1      
The 10.5% 2024 Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 10.50%          
The 10.5% 2024 Notes [Member] | Senior Secured Notes [Member]            
Debt Instrument, Interest Rate, Stated Percentage 10.50% 10.50%     10.50% 10.50%
Debt Instrument Exchanged, Face Amount         $ 141.7 $ 141.7
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
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 $ 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%        
Accounting Standards Update 2016-02 [Member]            
Operating Lease, Right-of-Use Asset         23.3  
Operating Lease, Liability, Total         $ 24.4