Earnings Per Share (Computation Of Basic And Diluted Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 34,940	$ 33,273	$ 60,807	$ 48,049
Denominator for basic earnings per share
Weighted average shares outstanding	24,792,108	24,677,122	24,761,290	24,646,342
Basic earnings per share	$ 1.41	$ 1.35	$ 2.46	$ 1.95
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 34,940	$ 33,273	$ 60,807	$ 48,049
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,792,108	24,677,122	24,761,290	24,646,342
Employee and outside director share-based awards	156,983	141,796	151,354	118,097
Denominator for diluted earnings per share	24,949,091	24,818,918	24,912,644	24,764,439
Diluted earnings per share	$ 1.40	$ 1.34	$ 2.44	$ 1.94