v3.25.2
Debt - Schedule of Debt Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Jun. 30, 2024
Debt Instrument [Line Items]      
Gross Amount $ 530,000 $ 333,373 $ 367,762
Gross Amount, current portion 0 103,373 137,762
Gross Amount, excluding current portion 530,000 230,000 230,000
Deferred Financing Costs (12,399) (6,045) (6,438)
Deferred Financing Costs, current portion 0 (301) (436)
Deferred Financing Costs, excluding current portion (12,399) (5,744) (6,002)
Carrying Amount 517,601 327,328 361,324
Carrying Amount, current portion 0 103,072 137,326
Carrying Amount, excluding current portion 517,601 224,256 223,998
2032 Senior Notes | Senior Notes      
Debt Instrument [Line Items]      
Gross Amount 300,000 0 0
Deferred Financing Costs (7,381) 0 0
Carrying Amount 292,619 0 0
2029 Convertible Notes | Senior Notes      
Debt Instrument [Line Items]      
Gross Amount 230,000 230,000 230,000
Deferred Financing Costs (5,018) (5,744) (6,002)
Carrying Amount 224,982 224,256 223,998
2025 Convertible Notes | Senior Notes      
Debt Instrument [Line Items]      
Gross Amount 0 103,373 103,373
Deferred Financing Costs 0 (301) (433)
Carrying Amount 0 103,072 102,940
2024 Convertible Notes | Senior Notes      
Debt Instrument [Line Items]      
Gross Amount 0 0 34,389
Deferred Financing Costs 0 0 (3)
Carrying Amount $ 0 $ 0 $ 34,386