Operating Segments (Operating Results For The Company's Reportable Segments) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Sales and other operating revenues		$ 937,193	$ 821,507	$ 2,245,005	$ 1,977,713
Deduct: Equity in pretax (earnings) loss of unconsolidated affiliates (1)	[1]	(2,149)	(1,384)	(1,647)	3,495
Restructuring and impairment costs	[2]	0	924	10,573	3,523
Consolidated operating income		104,076	87,464	190,037	153,811
Tobacco Operations
Segment Reporting Information [Line Items]
Sales and other operating revenues		853,884	743,933	1,996,051	1,742,494
Consolidated operating income		102,566	87,605	194,354	148,875
Ingredients
Segment Reporting Information [Line Items]
Sales and other operating revenues		83,309	77,574	248,954	235,219
Consolidated operating income		3,659	2,167	7,903	4,964
Operating Segments [Member]
Segment Reporting Information [Line Items]
Consolidated operating income		$ 106,225	$ 89,772	$ 202,257	$ 153,839

[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.