Document and Entity Information - USD ($)	12 Months Ended
	Sep. 30, 2021	Nov. 17, 2021	Mar. 31, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	000-08408
Entity Registrant Name	WOODWARD, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-1984010
Entity Address, Address Line One	1081 Woodward Way
Entity Address, City or Town	Fort Collins
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80524
City Area Code	970
Local Phone Number	482-5811
Title of 12(b) Security	Common Stock, par value $0.001455 per share
Trading Symbol	WWD
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 5,345,433,011
Entity Common Stock, Shares Outstanding		63,069,870
Amendment Flag	false
Entity Central Index Key	0000108312
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Document Fiscal Year Focus	2021
ICFR Auditor Attestation Flag	false
Documents Incorporated by Reference	Portions of our proxy statement for the Annual Meeting of Stockholders to be held virtually on January 22, 2022, are incorporated by reference into Parts II and III of this Form 10-K, to the extent indicated.