Document And Entity Information (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	May 20, 2015	Sep. 30, 2014
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Entity Registrant Name	UNIVERSAL CORP /VA/
Entity Central Index Key	0000102037
Current Fiscal Year End Date	--03-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		22,593,266
Statement [Line Items]
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 1,022
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No