v3.26.1
Joint Venture (Accounts Receivable, Accounts Payable, and Other Assets Related to JV) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Schedule Of Equity Method Investments [Line Items]    
Accounts receivable $ 617,905 $ 477,321
Accounts payable 328,957 289,417
Woodward and General Electric Joint Venture [Member]    
Schedule Of Equity Method Investments [Line Items]    
Other assets 25,666 23,069
Woodward and General Electric Joint Venture [Member] | Related Party [Member]    
Schedule Of Equity Method Investments [Line Items]    
Accounts receivable 5,028 5,377
Accounts payable $ 8,827 $ 8,370