v3.10.0.1
Document And Entity Information - shares
3 Months Ended
Jun. 30, 2018
Aug. 03, 2018
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
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   24,957,418