Joint Venture (Unamortized Deferred Revenue from JV) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Schedule Of Equity Method Investments [Line Items]
Accrued liabilities	$ 6,472	$ 6,147
Other liabilities	$ 234,159	$ 233,997