Revenue from Contracts with Customers Revenue from Contract with Customer (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,549,818	$ 2,091,150	$ 1,965,463
Sales and other operating revenues	2,569,824	2,103,601	1,983,357
Manufactured Product, Other | Tobacco Sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,093,493	1,703,330	1,715,066
Manufactured Product, Other | Food Ingredient Sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	294,302	250,595	127,393
Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	78,357	77,048	73,021
Product and Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	83,666	60,177	49,983
Other sales and revenue [Member] [Member]
Disaggregation of Revenue [Line Items]
Other operating revenues	$ 20,006	$ 12,451	$ 17,894