Leases (Lease-Related Expenses) (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Operating lease expense		$ 6,335	$ 6,559	$ 6,164
Amortization of financing lease assets		454	425	476
Interest on financing lease liabilities		51	58	87
Variable lease expense		929	1,495	1,101
Short-term lease expense		190	283	466
Sublease income	[1]	(192)	(680)	(697)
Total lease expense		$ 7,767	$ 8,140	$ 7,597

[1] Relates to two separate subleases Woodward has entered into for a leased manufacturing building in Niles, Illinois. During fiscal year 2022, these subleases were terminated.