v3.26.1
Derivatives - Schedule of Derivative Liabilities at Fair Value (Details) - Designated as Hedging Instrument - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
2027 Tranche A Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Value $ 301,315 $ 305,326
Cumulative Hedging Adjustment 1,315 5,326
2028 Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Value 492,933 499,452
Cumulative Hedging Adjustment (4,761) 2,569
2029 Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Value 486,352 494,058
Cumulative Hedging Adjustment (10,294) (1,804)
2030 Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Value 497,930 509,398
Cumulative Hedging Adjustment 2,243 14,553
2031 Notes    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Value 487,089 0
Cumulative Hedging Adjustment $ (7,683) $ 0