Document and Entity Information - USD ($)	12 Months Ended
	Apr. 30, 2018	Jun. 22, 2018	Oct. 31, 2017
Document And Entity Information [Abstract]
Document Type	10-K
Document Period End Date	Apr. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Entity Registrant Name	AMERICAN WOODMARK CORP
Entity Central Index Key	0000794619
Trading Symbol	amwd
Current Fiscal Year End Date	--04-30
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding		17,546,622
Entity Public Float			$ 1,366,648,307