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Cash and Cash Equivalents - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Sep. 30, 2025
Money Market Funds    
Cash And Cash Equivalents [Line Items]    
Cash and cash equivalents $ 40.1 $ 40.7
Non Money Market Fund    
Cash And Cash Equivalents [Line Items]    
Cash and cash equivalents $ 55.1 $ 82.0