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, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Schedule of Capitalization, Equity [Line Items]
Total stockholders' equity attributable to parent, beginning balance			$ 1,340,543
Noncontrolling interests in subsidiaries, beginning balance			44,226
Total shareholders' equity, beginning balance	$ 1,354,733	$ 1,333,426	1,384,769	$ 1,348,425
Repurchase of common stock			(893)	0
Accrual of stock-based compensation	1,326	1,204	6,630	5,289
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation			2,090	2,458
Dividend equivalents on RSUs	294	266	851	802
Net income (loss) attributable to parent	41,660	34,940	70,345	60,807
Net income attributable to noncontrolling interest	9,701	9,215	3,223	9,015
Net (income) loss	51,361	44,155	73,568	69,822
Common stock dividends declared	(19,399)	(19,193)	(58,244)	(57,558)
Repurchase of stock, retained earnings	0	0	(2,555)	0
Dividend equivalents on RSUs	(294)	(266)	(851)	(802)
Other comprehensive income (loss)	12,721	1,707	6,809	2,455
Dividends paid to noncontrolling interests	0	(2,057)	(6,825)	(6,733)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(427)	0
Total stockholders' equity attributable to parent, ending balance	1,360,792	1,316,004	1,360,792	1,316,004
Noncontrolling interest in subsidiaries, ending balance	39,950	43,238	39,950	43,238
Total shareholders' equity, ending balance	1,400,742	1,359,242	1,400,742	1,359,242
Universal Corporation [Member]
Schedule of Capitalization, Equity [Line Items]
Total stockholders' equity attributable to parent, beginning balance	1,324,854	1,297,332	1,340,543	1,307,299
Repurchase of common stock			(893)	0
Accrual of stock-based compensation	1,326	1,204	6,630	5,289
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation			2,090	2,458
Dividend equivalents on RSUs	294	266	851	802
Net income (loss) attributable to parent	41,660	34,940	70,345	60,807
Common stock dividends declared	(19,399)	(19,193)	(58,244)	(57,558)
Repurchase of stock, retained earnings	0	0	(2,555)	0
Dividend equivalents on RSUs	(294)	(266)	(851)	(802)
Other comprehensive income (loss) attributable to parent	12,351	1,721	7,056	2,625
Dividends paid to noncontrolling interests	0	0	0	0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			0	0
Total stockholders' equity attributable to parent, ending balance	1,360,792	1,316,004	1,360,792	1,316,004
Noncontrolling Interests [Member]
Schedule of Capitalization, Equity [Line Items]
Noncontrolling interests in subsidiaries, beginning balance	29,879	36,094	44,226	41,126
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
Dividend equivalents on RSUs	0	0	0	0
Net income attributable to noncontrolling interest	9,701	9,215	3,223	9,015
Common stock dividends declared	0	0	0	0
Repurchase of stock, retained earnings	0	0	0	0
Dividend equivalents on RSUs	0	0	0	0
Other comprehensive income (loss) attributable to noncontrolling interest	370	(14)	(247)	(170)
Dividends paid to noncontrolling interests	0	(2,057)	(6,825)	(6,733)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(427)	0
Noncontrolling interest in subsidiaries, ending balance	$ 39,950	$ 43,238	$ 39,950	$ 43,238