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, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 41,660	$ 34,940	$ 70,345	$ 60,807
Denominator for basic earnings per share
Weighted average shares outstanding	24,770,294	24,792,108	24,772,827	24,761,290
Basic earnings per share	$ 1.68	$ 1.41	$ 2.84	$ 2.46
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 41,660	$ 34,940	$ 70,345	$ 60,807
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,770,294	24,792,108	24,772,827	24,761,290
Employee and outside director share-based awards	158,132	156,983	161,620	151,354
Denominator for diluted earnings per share	24,928,426	24,949,091	24,934,447	24,912,644
Diluted earnings per share	$ 1.67	$ 1.40	$ 2.82	$ 2.44