Earnings Per Share (Computation Of Basic And Diluted Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 19,510	$ 7,502	$ 25,867	$ 14,776
Denominator for basic earnings per share
Weighted average shares outstanding	24,776,930	24,658,895	24,745,827	24,630,886
Basic earnings per share	$ 0.79	$ 0.30	$ 1.05	$ 0.60
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 19,510	$ 7,502	$ 25,867	$ 14,776
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,776,930	24,658,895	24,745,827	24,630,886
Employee and outside director share-based awards	139,416	111,526	148,539	106,248
Denominator for diluted earnings per share	24,916,346	24,770,421	24,894,366	24,737,134
Diluted earnings per share	$ 0.78	$ 0.30	$ 1.04	$ 0.60