v3.25.1
Intangible Assets - Finite-Lived Intangible Assets Future Amortization Expense (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Sep. 30, 2024
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]    
Fiscal 2025 (remaining months) $ 2.4  
Fiscal 2026 4.1  
Fiscal 2027 3.4  
Fiscal 2028 2.3  
Fiscal 2029 and thereafter 4.2  
Total intangible assets subject to amortization $ 16.4 $ 13.8