Joint Venture (Narrative) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($)	3 Months Ended				9 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Schedule Of Equity Method Investments [Line Items]
Cash received annually from formation of joint venture		$ 4,894,000		$ 4,894,000	$ 4,894,000
Sales [Member]
Schedule Of Equity Method Investments [Line Items]
Amortization of deferred income recognized as an increase to sales	$ 1,570,000		$ 1,395,000		4,407,000	$ 3,429,000
Reduction to sales related to royalties owed to joint venture	14,606,000		14,396,000		$ 44,137,000	$ 34,854,000
Other Assets [Member]
Schedule Of Equity Method Investments [Line Items]
Reduction in contract assets and costs to fulfill contract	9,680,000
Other Liabilities [Member]
Schedule Of Equity Method Investments [Line Items]
Reduction in contract liabilities and costs to fulfill contract	$ 9,680,000		$ 0