Document And Entity Information - shares
9 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Document And Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Amendment Flag false  
Document Period End Date Dec. 31, 2019  
Entity File Number 001-00652  
Document Fiscal Year Focus 2020  
Entity Incorporation, State or Country Code VA  
Entity Tax Identification Number 54-0414210  
Entity Address, Address Line One 9201 Forest Hill Avenue,  
Entity Address, City or Town Richmond,  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 23235  
City Area Code 804  
Local Phone Number 359-9311  
Title of 12(b) Security Common Stock, no par value  
Trading Symbol UVV  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Document Fiscal Period Focus Q3  
Entity Registrant Name UNIVERSAL CORPORATION  
Entity Central Index Key 0000102037  
Current Fiscal Year End Date --03-31  
Entity Filer Category Large Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   24,670,423