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Note 9 - Senior Notes and Credit Facilities (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
May 21, 2024
Nov. 15, 2023
Oct. 05, 2023
Aug. 29, 2023
May 30, 2023
Oct. 31, 2024
Jul. 31, 2024
Apr. 30, 2024
Jan. 31, 2024
Oct. 31, 2023
Jul. 31, 2023
Apr. 30, 2023
Jan. 31, 2023
Oct. 31, 2022
Jul. 31, 2022
Apr. 30, 2022
Jan. 31, 2022
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2022
Sep. 25, 2023
Sep. 24, 2023
Sep. 07, 2023
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date   Nov. 15, 2025                                          
Debt Covenant Fixed Charge Coverage Ratio Minimum           2                       2          
Secured Debt Leverage Ratio           4                       4          
Repayments of Senior Debt                                   $ 145,000,000 $ 752,182,000 $ 103,875,000      
Gain (loss) on extinguishment of debt, net                                   1,371,000 (25,638,000) (6,795,000)      
Proceeds from Issuance of Secured Debt                                   0 640,925,000 0      
Preferred dividends paid           $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 $ 2,700,000 10,675,000 10,675,000 $ 10,675,000      
Potential Conversion of Specified Junior Debt To Additional Lien Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt instrument to Be Issued as a Percentage Difference of Principal and Purchase Price     20.00%                                        
Potential Conversion of Specified Junior Debt To Additional Lien Notes [Member] | Maximum [Member]                                              
Debt Instrument [Line Items]                                              
Debt Conversion, Converted Instrument, Amount     $ 150,000,000                                        
Senior Secured Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Maximum Borrowing Capacity           $ 125,000,000                       $ 125,000,000          
Line of Credit Facility, Unused Commitment Fee Rate           1.00%                       1.00%          
Long-Term Line of Credit           $ 0       $ 0               $ 0 $ 0        
Senior Secured Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor           3.00%                       3.00%          
Senior Secured Revolving Credit Facility [Member] | Alternate Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor           4.00%                       4.00%          
Senior Secured Term Loan [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount           $ 175,000,000                       $ 175,000,000          
Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Gain (loss) on extinguishment of debt, net     17,900,000                                        
Unsecured Senior Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount $ 51,600,000                                            
Senior Secured Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Jun. 30, 2026          
Line of Credit Facility, Maximum Borrowing Capacity                                         $ 125,000,000    
Line of Credit Facility, Variable Rate Floor                                         3.00% 1.00%  
Line of Credit Facility, Unused Commitment Fee Rate                                         1.00%    
Senior Secured Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor                                         3.00%    
Line of Credit Facility, Applicable Margin           4.50%                       4.50%     4.50%    
Senior Secured Revolving Credit Facility [Member] | Alternate Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor                                         4.00%    
Line of Credit Facility, Applicable Margin           3.50%                       3.50%     3.50%    
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Jan. 31, 2028          
Debt instrument, interest rate, stated percentage           10.00%                       10.00%          
The 10.0% Senior Secured 1.75 Lien Notes due 2025 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Nov. 15, 2025 Nov. 15, 2025        
Debt Instrument, Redeemed, Face Amount   $ 113,500,000                                          
Debt instrument, interest rate, stated percentage   10.00%       10.00%       10.00%               10.00% 10.00%       10.00%
Repayments of Senior Debt   $ 119,200,000                                          
Gain (loss) on extinguishment of debt, net                                   $ 1,400,000 $ 200,000        
Debt Instrument, Repurchased Face Amount                                             $ 45,000,000
Debt Instrument, Repurchase Amount                                             $ 46,700,000
The 8.0% Senior Notes Due 2027 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redeemed, Face Amount                   $ 26,000,000                 $ 26,000,000        
Debt instrument, interest rate, stated percentage                   8.00%                 8.00%        
Debt Instrument, Redemption Price, Percentage                                     100.00%        
The 8.0% Senior Notes Due 2027 [Member] | Unsecured Senior Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                     Nov. 01, 2027        
Debt instrument, interest rate, stated percentage                   8.00%                 8.00%        
The 7.75% Senior Secured 1.125 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redeemed, Face Amount     50,000,000 $ 100,000,000 $ 100,000,000                                    
Debt instrument, interest rate, stated percentage         7.75%                                    
Repayments of Senior Debt     $ 51,500,000 102,200,000 $ 104,200,000                                    
Gain (loss) on extinguishment of debt, net       $ (3,800,000)                             $ (4,100,000)        
The 8.0% Senior Secured 1.125 Lien Notes Due 2028 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Sep. 30, 2028 Sep. 30, 2028        
Debt instrument, interest rate, stated percentage     8.00%     8.00%       8.00%               8.00% 8.00%        
Proceeds from Issuance of Secured Debt     $ 225,000,000                                        
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt instrument, interest rate, stated percentage           11.75%                       11.75%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Sep. 30, 2029 Sep. 30, 2029        
Debt instrument, interest rate, stated percentage     11.75%     11.75%       11.75%               11.75% 11.75%        
Proceeds from Issuance of Secured Debt     $ 430,000,000                                        
Debt Instrument, Redemption Price, Percentage                                   11.75%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member] | Redeemable Prior to September 30, 2025 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member] | Principal Commencing September 30, 2027 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   102.9375%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member] | Redeemable Prior to March 30, 2026 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                                   35.00%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member] | Principal Commencing March 30, 2026 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   105.875%          
The 11.75% Senior Secured 1.25 Lien Notes Due 2029 [Member] | Senior Secured Notes [Member] | Principal Commencing September 30, 2028 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redeemed, Face Amount     $ 282,300,000                                        
Debt instrument, interest rate, stated percentage     10.50%                                        
Repayments of Senior Debt     $ 293,900,000                                        
The 10.5% Senior Secured 1.25 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   111.75%          
The 11.25% Senior Secured 1.5 Lien Notes due February 15, 2026 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redeemed, Face Amount     $ 162,300,000                                        
Debt instrument, interest rate, stated percentage     11.25%                                        
Repayments of Senior Debt     $ 164,800,000                                        
Senior Secured Revolving Credit Facility [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Maximum Borrowing Capacity           $ 125,000,000                       $ 125,000,000          
Line of Credit Facility, Unused Commitment Fee Rate           1.00%                       1.00%          
Senior Secured Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor           3.00%                       3.00%          
Line of Credit Facility, Applicable Margin           4.50%                       4.50%          
Senior Secured Revolving Credit Facility [Member] | Alternate Base Rate [Member]                                              
Debt Instrument [Line Items]                                              
Line of Credit Facility, Variable Rate Floor                   4.00%                 4.00%        
Line of Credit Facility, Applicable Margin           3.50%                       3.50%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member]                                              
Debt Instrument [Line Items]                                              
Debt instrument, interest rate, stated percentage           10.00%                       10.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Redeemable Prior to September 30, 2025 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Sep. 30, 2028 Sep. 30, 2028        
Debt instrument, interest rate, stated percentage           8.00%       8.00%               8.00% 8.00%        
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member] | Redeemable Prior to September 30, 2025 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                                   35.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member] | Principal Commencing September 30, 2025 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   104.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member] | Principal Commencing September 30, 2026 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   102.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member] | Principal Commencing September 30, 2027 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 8.0% Senior Secured 1.125 Lien Notes Due September 30, 2028 [Member] | Senior Secured Notes [Member] | Redemption with Net Cash Proceeds from Certain Equity Offerings [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   108.00%          
Senior Secured 1.75 Lien Term Loan Credit Facility Due January 31, 2028 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Jan. 31, 2028          
Senior Secured 1.75 Lien Term Loan Credit Facility Due January 31, 2028 [Member] | After November 15, 2023 [Member]                                              
Debt Instrument [Line Items]                                              
Debt instrument, interest rate, stated percentage           100.00%                       100.00%          
Senior Secured 1.75 Lien Term Loan Credit Facility Due January 31, 2028 [Member] | Senior Secured Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date Jan. 31, 2028                                            
Debt Instrument, Face Amount $ 93,500,000         $ 93,500,000                       $ 93,500,000          
The 13.5% Senior Notes Due 2026 [Member] | Senior Secured Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount $ 42,500,000                                            
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Feb. 01, 2026 Feb. 01, 2026        
Debt instrument, interest rate, stated percentage 13.50%         13.50%       13.50%               13.50% 13.50%        
Debt Instrument, Face Amount $ 26,600,000                                            
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date Feb. 01, 2026                                            
Debt Instrument, Redeemed, Face Amount $ 21,500,000                                            
Debt instrument, interest rate, stated percentage 13.50%                                            
Debt Instrument, Face Amount $ 64,000,000                                            
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 13.5% Senior Notes Due 2026 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period Two [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount $ 31,400,000                                            
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                   Feb. 01, 2040 Feb. 01, 2040        
Debt instrument, interest rate, stated percentage 5.00%         5.00%       5.00%               5.00% 5.00%        
Debt Instrument, Face Amount $ 25,000,000                                            
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date Feb. 01, 2040                                            
Debt instrument, interest rate, stated percentage 5.00%                                            
Debt Instrument, Face Amount $ 65,200,000                                            
The 5.0% Senior Notes due 2040 [Member] | Unsecured Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Redemption Price, Percentage                                   100.00%          
Senior Unsecured Term Loan Credit Facility Due 2027 [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date                                     Feb. 01, 2027        
Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Senior Secured Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount 19,600,000                                            
Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Unsecured Senior Term Loan [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Face Amount $ 0                                            
Senior Unsecured Term Loan Credit Facility Due 2027 [Member] | Unsecured Senior Term Loan [Member] | Exchange Agreements [Member]                                              
Debt Instrument [Line Items]                                              
Debt Instrument, Maturity Date Feb. 01, 2027                                            
Debt Instrument, Redeemed, Face Amount $ 10,000,000                                            
Debt Instrument, Face Amount $ 39,600,000