v3.26.1
Joint Venture (Narrative) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Schedule Of Equity Method Investments [Line Items]        
Ownership interest, joint venture 50.00%   50.00%  
Location, Statement of Income, Balance [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax        
Schedule Of Equity Method Investments [Line Items]        
Amortization of deferred gain recognized as an increase to net sales $ 2,074 $ 1,717 $ 6,190 $ 4,347
Reduction to sales related to royalties, associated with the contributed IP, owed to joint venture $ 22,752 $ 18,723 $ 65,653 $ 53,892