Other Liabilities (Schedule of Other Liabilities) (Details) - USD ($) $ in Thousands		Jun. 30, 2023	Sep. 30, 2022
Other Liabilities Noncurrent [Abstract]
Net accrued retirement benefits, less amounts recognized within accrued liabilities		$ 76,839	$ 70,168
Total unrecognized tax benefits		8,156	9,757
Noncurrent income taxes payable		10,714	14,329
Deferred economic incentives	[1]	6,100	7,029
Noncurrent operating lease liabilities		20,924	21,443
Net noncurrent contract liabilities		412,608	396,345
Other		12,150	10,185
Other liabilities		$ 547,491	$ 529,256

[1] Woodward receives certain economic incentives from various state and local authorities related to capital expansion projects. Such amounts are initially recorded as deferred credits and are being recognized as a reduction to pre-tax expense over the economic lives of the related capital expansion projects.