XML 76 R58.htm IDEA: XBRL DOCUMENT v3.24.3
Borrowings - Schedule of Debt Redemption (Details)
12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
5.875% Senior Notes (2027 Notes) | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Stated interest rate on debt instrument 5.875% 5.875%
7.250% Senior Notes (2029 Notes) | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Stated interest rate on debt instrument 7.25% 7.25%
7.500% Senior Notes (2031 Notes) | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Stated interest rate on debt instrument 7.50% 7.50%
Percentage of principal amount outstanding 0.65  
Percentage of principal amount redeemed 35.00%  
7.500% Senior Notes (2031 Notes) | Debt Instrument, Redemption, Period One | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 107.50%  
7.500% Senior Notes (2031 Notes) | Debt Instrument, Redemption, Period Two | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%  
7.500% Senior Notes (2031 Notes) | Debt Instrument, Redemption, Period Three | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 103.75%  
7.500% Senior Notes (2031 Notes) | Debt Instrument, Redemption, Period Four | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 101.875%  
7.500% Senior Notes (2031 Notes) | Debt Instrument, Redemption, Period Five | Senior Notes    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%  
Senior Notes | 5.875% Senior Notes (2027 Notes) | Debt Instrument, Redemption, Period One    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%  
Senior Notes | 5.875% Senior Notes (2027 Notes) | Debt Instrument, Redemption, Period Two    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 102.938%  
Senior Notes | 5.875% Senior Notes (2027 Notes) | Debt Instrument, Redemption, Period Three    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 101.958%  
Senior Notes | 5.875% Senior Notes (2027 Notes) | Debt Instrument, Redemption, Period Four    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.979%  
Senior Notes | 5.875% Senior Notes (2027 Notes) | Debt Instrument, Redemption, Period Five    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%  
Senior Notes | 7.250% Senior Notes (2029 Notes) | Debt Instrument, Redemption, Period One    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%  
Senior Notes | 7.250% Senior Notes (2029 Notes) | Debt Instrument, Redemption, Period Two    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 103.625%  
Senior Notes | 7.250% Senior Notes (2029 Notes) | Debt Instrument, Redemption, Period Three    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 102.417%  
Senior Notes | 7.250% Senior Notes (2029 Notes) | Debt Instrument, Redemption, Period Four    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 101.208%  
Senior Notes | 7.250% Senior Notes (2029 Notes) | Debt Instrument, Redemption, Period Five    
Debt Instrument, Redemption [Line Items]    
Redemption price percentage 100.00%