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, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 53,216	$ 41,660	$ 79,280	$ 70,345
Denominator for basic earnings per share
Weighted average shares outstanding	24,849,498	24,770,294	24,853,774	24,772,827
Basic earnings per share	$ 2.14	$ 1.68	$ 3.19	$ 2.84
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 53,216	$ 41,660	$ 79,280	$ 70,345
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,849,498	24,770,294	24,853,774	24,772,827
Employee and outside director share-based awards	206,331	158,132	163,393	161,620
Denominator for diluted earnings per share	25,055,829	24,928,426	25,017,167	24,934,447
Diluted earnings per share	$ 2.12	$ 1.67	$ 3.17	$ 2.82