Operating Segments (Operating Results For The Company's Reportable Segments) (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Sales and other operating revenues		$ 2,748,573	$ 2,569,824	$ 2,103,601
Operating Income		222,009	181,072	160,315
Equity in pretax earnings of unconsolidated affiliates	[1]	(756)	(2,383)	(6,095)
Restructuring and impairment costs	[2]	(3,523)	0	(10,457)
Other income	[3]	0	0	2,532
Segment Assets		2,937,239	2,639,182	2,586,345
Accounts Receivable, after Allowance for Credit Loss		525,262	402,073	385,437
Goodwill, net		213,869	213,922	213,998
Other intangibles, net		68,883	80,101	92,571
Capital Expenditures		66,013	54,674	53,203
Depreciation and Amortization		58,326	57,300	52,521
Tobacco Operations
Segment Reporting Information [Line Items]
Sales and other operating revenues		2,438,775	2,258,260	1,835,790
Operating Income		222,352	172,889	157,754
Restructuring and impairment costs		(1,800)
Segment Assets		2,451,895	2,164,600	2,109,845
Accounts Receivable, after Allowance for Credit Loss		472,357	350,014	336,638
Goodwill, net		97,801	97,854	97,930
Other intangibles, net		62	34	57
Capital Expenditures		35,173	38,084	34,237
Depreciation and Amortization		40,267	38,650	36,272
Ingredients Operations
Segment Reporting Information [Line Items]
Sales and other operating revenues		309,798	311,564	267,811
Operating Income		3,936	10,566	16,581
Segment Assets		485,344	474,582	476,500
Accounts Receivable, after Allowance for Credit Loss		52,905	52,059	48,799
Goodwill, net		116,068	116,068	116,068
Other intangibles, net		68,821	80,067	92,514
Capital Expenditures		30,840	16,590	18,966
Depreciation and Amortization		18,059	18,650	16,249
Total Operating Segments
Segment Reporting Information [Line Items]
Operating Income		$ 226,288	$ 183,455	$ 174,335

[1] Equity in pretax earnings of unconsolidated affiliates is included in reportable segment operating income, but is reported below consolidated operating income and excluded from that total in the consolidated statements of income.

[2] Restructuring and impairment costs are excluded from reportable segment operating income, but are included in consolidated operating income in the consolidated statements of income (see Note 4)

[3] Other income represents the reversal of the contingent consideration liability associated with the acquisition of FruitSmart.