Joint Venture (Narrative) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Schedule Of Equity Method Investments [Line Items]
Cash received annually from formation of joint venture		$ 4,894		$ 4,894	$ 4,894
Sales [Member]
Schedule Of Equity Method Investments [Line Items]
Amortization of deferred income recognized as an increase to sales	$ 1,395		$ 905		3,429	$ 2,632
Reduction to sales related to royalties owed to joint venture	$ 14,396		$ 7,912		$ 34,854	$ 21,058