Other Liabilities (Schedule of Other Liabilities) (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Sep. 30, 2022
Other Liabilities Noncurrent [Abstract]
Net accrued retirement benefits, less amounts recognized within accrued liabilities		$ 76,616	$ 70,168
Total unrecognized tax benefits		7,672	9,757
Noncurrent income taxes payable		10,714	14,329
Deferred economic incentives	[1]	6,451	7,029
Noncurrent operating lease liabilities		20,863	21,443
Net noncurrent contract liabilities		409,262	396,345
Other		9,975	10,185
Other liabilities		$ 541,553	$ 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.