Changes In Shareholders' Equity And Noncontrolling Interests In Subsidiaries (Reconciliation Of Changes In Shareholders' Equity And Noncontrolling Interests In Subsidiaries) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Schedule of Capitalization, Equity [Line Items]
Total shareholders' equity, beginning balance	$ 1,458,004	$ 1,417,508	$ 1,478,923	$ 1,436,952
Repurchase of common stock			0	(1,373)
Accrual of stock-based compensation	874	4,914	7,457	10,625
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	0	9	3,715	2,972
Dividend equivalents on RSUs	305	321	905	940
Net income (loss) attributable to parent	59,639	53,216	85,709	79,280
Net income attributable to noncontrolling interest	8,157	8,071	13,232	7,634
Net (income) loss	67,796	61,287	98,941	86,914
Common stock dividends declared	(20,020)	(19,647)	(60,028)	(59,004)
Repurchase of stock, retained earnings			0	(3,371)
Dividend equivalents on RSUs	(305)	(321)	(905)	(940)
Other comprehensive income (loss)	(10,822)	(5,403)	(16,786)	(3,276)
Dividends paid to noncontrolling interests	(3,920)	0	(12,880)	(5,845)
Total shareholders' equity, ending balance	1,491,912	1,458,650	1,491,912	1,458,650
Universal Corporation [Member]
Schedule of Capitalization, Equity [Line Items]
Total shareholders' equity, beginning balance	1,420,566	1,384,189	1,437,207	1,397,088
Repurchase of common stock			0	(1,373)
Accrual of stock-based compensation	874	4,914	7,457	10,625
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	0	9	3,715	2,972
Dividend equivalents on RSUs	305	321	905	940
Net income (loss) attributable to parent	59,639	53,216	85,709	79,280
Common stock dividends declared	(20,020)	(19,647)	(60,028)	(59,004)
Repurchase of stock, retained earnings			0	(3,371)
Dividend equivalents on RSUs	(305)	(321)	(905)	(940)
Other comprehensive income (loss) attributable to parent	(10,449)	(5,587)	(16,020)	(3,197)
Dividends paid to noncontrolling interests	0	0	0	0
Total shareholders' equity, ending balance	1,450,610	1,417,076	1,450,610	1,417,076
Noncontrolling Interests [Member]
Schedule of Capitalization, Equity [Line Items]
Total shareholders' equity, beginning balance	37,438	33,319	41,716	39,864
Repurchase of common stock			0	0
Accrual of stock-based compensation	0	0	0	0
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	0	0	0	0
Dividend equivalents on RSUs	0	0	0	0
Net income attributable to noncontrolling interest	8,157	8,071	13,232	7,634
Common stock dividends declared	0	0	0	0
Repurchase of stock, retained earnings			0	0
Dividend equivalents on RSUs	0	0	0	0
Other comprehensive income (loss) attributable to noncontrolling interest	(373)	184	(766)	(79)
Dividends paid to noncontrolling interests	(3,920)	0	(12,880)	(5,845)
Total shareholders' equity, ending balance	$ 41,302	$ 41,574	$ 41,302	$ 41,574