Document and Entity Information - USD ($)	12 Months Ended
	Apr. 30, 2017	Jun. 19, 2017	Oct. 31, 2016
Document And Entity Information [Abstract]
Document Type	10-K
Document Period End Date	Apr. 30, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
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		16,305,346
Entity Public Float			$ 1,005,435,628