Revenue from Contracts with Customers Revenue from Contract with Customer (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,091,150	$ 1,965,463	$ 1,891,877
Sales and other operating revenues	2,103,601	1,983,357	1,909,979
Manufactured Product, Other | Tobacco Sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,703,330	1,715,066	1,759,769
Manufactured Product, Other | Food Ingredient Sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	250,595	127,393	22,014
Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	77,048	73,021	76,123
Product and Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	60,177	49,983	33,971
Other sales and revenue [Member] [Member]
Disaggregation of Revenue [Line Items]
Other operating revenues	$ 12,451	$ 17,894	$ 18,102