Joint Venture (Net Sales to the JV) (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Woodward And General Electric Joint Venture [Member] | Related Party [Member]
Schedule Of Equity Method Investments [Line Items]
Net sales	[1]	$ 47,607	$ 28,100	$ 35,957

[1] Net sales include a reduction of $49,624 for the fiscal year ended September 30, 2023, $28,054 for the fiscal year ended September 30, 2022, and $21,101 for the fiscal year ended September 30, 2021 related to royalties owed to the JV by Woodward on sales by Woodward directly to third party aftermarket customers.