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, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator for basic earnings per share
Net income attributable to Universal Corporation	$ 7,502	$ 28,077	$ 14,776	$ 30,149
Denominator for basic earnings per share
Weighted average shares outstanding	24,658,895	25,086,580	24,630,886	25,122,283
Basic earnings per share	$ 0.30	$ 1.12	$ 0.60	$ 1.20
Numerator for diluted earnings per share
Net income attributable to Universal Corporation	$ 7,502	$ 28,077	$ 14,776	$ 30,149
Denominator for diluted earnings per share:
Weighted average shares outstanding	24,658,895	25,086,580	24,630,886	25,122,283
Employee and outside director share-based awards	111,526	110,745	106,248	118,317
Denominator for diluted earnings per share	24,770,421	25,197,325	24,737,134	25,240,600
Diluted earnings per share	$ 0.30	$ 1.11	$ 0.60	$ 1.19