Document and Entity Information - USD ($)	12 Months Ended
	Apr. 30, 2019	Jun. 21, 2019	Oct. 31, 2018
Document And Entity Information [Abstract]
Document Type	10-K
Document Period End Date	Apr. 30, 2019
Amendment Flag	false
Document Fiscal Year Focus	2019
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 Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding		16,869,949
Entity Public Float			$ 1,043,079,866