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, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator for basic earnings (loss) per share
Net income (loss) attributable to Universal Corporation	$ 34,169	$ 25,940	$ 42,666	$ 26,070
Denominator for basic earnings (loss) per share
Weighted average shares outstanding	25,035,110	24,946,632	25,017,765	24,911,681
Basic earnings (loss) per share	$ 1.36	$ 1.04	$ 1.71	$ 1.05
Numerator for diluted earnings (loss) per share
Net income (loss) attributable to Universal Corporation	$ 34,169	$ 25,940	$ 42,666	$ 26,070
Denominator for diluted earnings (loss) per share:
Weighted average shares outstanding	25,035,110	24,946,632	25,017,765	24,911,681
Employee and outside director share-based awards	143,436	189,341	137,862	189,614
Denominator for diluted earnings (loss) per share	25,178,546	25,135,973	25,155,627	25,101,295
Diluted earnings (loss) per share	$ 1.36	$ 1.03	$ 1.70	$ 1.04