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, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 33,273	$ 25,966	$ 48,049	$ 56,115
Denominator for basic earnings per share
Weighted average shares outstanding	24,677,122	24,931,711	24,646,342	25,058,525
Basic earnings per share	$ 1.35	$ 1.04	$ 1.95	$ 2.24
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 33,273	$ 25,966	$ 48,049	$ 56,115
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,677,122	24,931,711	24,646,342	25,058,525
Employee and outside director share-based awards	141,796	123,343	118,097	119,992
Denominator for diluted earnings per share	24,818,918	25,055,054	24,764,439	25,178,517
Diluted earnings per share	$ 1.34	$ 1.04	$ 1.94	$ 2.23