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
	Jun. 30, 2020	Jun. 30, 2019
Schedule of Capitalization, Equity [Line Items]
Total stockholders' equity attributable to parent, beginning balance	$ 1,246,665
Noncontrolling interests in subsidiaries, beginning balance	42,619
Total shareholders' equity, beginning balance	1,289,284	$ 1,379,878
Repurchase of common stock	0	(1,174)
Accrual of stock-based compensation	2,633	2,728
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	1,930	2,883
Dividend equivalents on RSUs	244	244
Net income (loss) attributable to parent	7,274	2,072
Net income attributable to noncontrolling interest	(374)	(1,177)
Net (income) loss	6,900	895
Common stock dividends declared	(18,863)	(18,979)
Repurchase of stock, retained earnings	0	(4,040)
Dividend equivalents on RSUs	(244)	(244)
Other comprehensive income (loss)	309	(4,347)
Total stockholders' equity attributable to parent, ending balance	1,236,244	1,310,341
Noncontrolling interest in subsidiaries, ending balance	42,089	41,737
Total shareholders' equity, ending balance	1,278,333	1,352,078
Universal Corporation [Member]
Schedule of Capitalization, Equity [Line Items]
Total stockholders' equity attributable to parent, beginning balance	1,246,665	1,337,087
Repurchase of common stock	0	(1,174)
Accrual of stock-based compensation	2,633	2,728
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	1,930	2,883
Dividend equivalents on RSUs	244	244
Net income (loss) attributable to parent	7,274	2,072
Common stock dividends declared	(18,863)	(18,979)
Repurchase of stock, retained earnings	0	(4,040)
Dividend equivalents on RSUs	(244)	(244)
Other comprehensive income (loss) attributable to parent	465	(4,470)
Total stockholders' equity attributable to parent, ending balance	1,236,244	1,310,341
Noncontrolling Interests [Member]
Schedule of Capitalization, Equity [Line Items]
Noncontrolling interests in subsidiaries, beginning balance	42,619	42,791
Repurchase of common stock	0	0
Accrual of stock-based compensation	0	0
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	0	0
Dividend equivalents on RSUs	0	0
Net income attributable to noncontrolling interest	(374)	(1,177)
Common stock dividends declared	0	0
Repurchase of stock, retained earnings	0	0
Dividend equivalents on RSUs	0	0
Other comprehensive income (loss) attributable to noncontrolling interest	(156)	123
Noncontrolling interest in subsidiaries, ending balance	$ 42,089	$ 41,737