Operating Segments (Operating Results For The Company's Reportable Segments) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Sales and other operating revenues		$ 821,507	$ 795,039	$ 1,977,713	$ 1,875,845
Deduct: Equity in pretax (earnings) loss of unconsolidated affiliates (1)	[1]	(1,384)	(345)	3,495	(208)
Restructuring and impairment costs	[2]	924	0	3,523	0
Consolidated operating income		87,464	77,526	153,811	128,678
Tobacco Operations
Segment Reporting Information [Line Items]
Sales and other operating revenues		743,933	724,589	1,742,494	1,642,682
Restructuring and impairment costs				1,800
Consolidated operating income		87,605	77,104	148,875	119,010
Ingredients
Segment Reporting Information [Line Items]
Sales and other operating revenues		77,574	70,450	235,219	233,163
Consolidated operating income		2,167	767	4,964	9,876
Operating Segments [Member]
Segment Reporting Information [Line Items]
Consolidated operating income		$ 89,772	$ 77,871	$ 153,839	$ 128,886

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

[2] Restructuring and impairment costs are excluded from segment operating income, but are included in consolidated operating income in the consolidated statements of income and comprehensive income. See Note 2 for additional information