Joint Venture (Accounts Receivable, Accounts Payable, and Other Assets Related to JV) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Schedule Of Equity Method Investments [Line Items]
Accounts receivable	$ 3,445	$ 3,639
Accounts payable	2,726	2,823
Other assets	$ 9,163	$ 6,988

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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