Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		9 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Other Comprehensive Income (Loss), Tax [Abstract]
Accumulated other comprehensive loss		$ (80,254)	$ (77,255)	$ (77,057)
Accumulated Translation Adjustment [Member]
Foreign currency translation:
Balance at beginning of year		(44,233)	(40,965)
Net gain (loss) on foreign currency translation		1,090	(5,425)
Less: Net (gain) loss on foreign currency translation attributable to noncontrolling interests		79	247
Other comprehensive income (loss) attributable to Universal Corporation, net of income taxes		1,169	(5,178)
Balance at end of period		(43,064)	(46,143)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Forward Foreign Currency Exchange Contract [Member]
Cash flow hedges: [Abstract]
Balance at beginning of year		4,899	3,579
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax		703	253
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	[1]	(4,530)	(2,191)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax		(3,827)	(1,938)
Balance at the end of period		1,072	1,641
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax		(153)	(530)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax		(1,422)	(519)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]
Cash flow hedges: [Abstract]
Balance at beginning of year		5,253	(860)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax		5,751	11,870
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax	[2]	(6,486)	811
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax		(735)	12,681
Balance at the end of period		4,518	11,821
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax		(2,063)	(3,224)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax		(2,327)	220
Accumulated Defined Benefit Plans Adjustment [Member]
Pension and other postretirement benefit plans:
Balance at beginning of year		(42,976)	(46,065)
Amortization included in earnings (net of tax expense (benefit) of $(38) and $(409))(3)	[3]	196	1,491
Other comprehensive income (loss) attributable to Universal Corporation, net of income taxes		196	1,491
Balance at end of period		(42,780)	(44,574)
Taxes on amortization included in net income		$ (38)	$ (409)

[1] Gain (loss) on foreign currency cash flow hedges related to forecast purchases of tobacco and crop input sales is reclassified from accumulated other comprehensive income (loss) to cost of goods sold when the tobacco is sold to customers. See Note 8 for additional information.

[2] Gain (loss) on interest rate cash flow hedges is reclassified from accumulated other comprehensive income (loss) to interest expense when the related interest payments are made on the underlying debt, or as amortized to interest expense over the period to original maturity for terminated swap agreements. See Note 8 for additional information.

[3] This accumulated other comprehensive income (loss) component is included in the computation of net periodic benefit cost. See Note 10 for additional information.