Other Liabilities (Schedule of Other Liabilities) (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Sep. 30, 2022
Other Liabilities, Noncurrent [Abstract]
Net accrued retirement benefits, less amounts recognized within accrued liabilities		$ 72,570	$ 70,168
Total unrecognized tax benefits		8,020	9,757
Noncurrent income taxes payable		10,714	14,329
Deferred economic incentives	[1]	5,797	7,029
Operating lease liabilities		20,685	21,443
Contract with Customer, Liability, Noncurrent		414,657	396,345
Other		11,047	10,185
Other liabilities		$ 543,490	$ 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.