Document And Entity Information - shares
9 Months Ended
Dec. 31, 2015
Jan. 29, 2016
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 31, 2015  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
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   22,717,448