Derivatives And Hedging Activities Notional Amount of Forward Contracts (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Millions	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Derivative, Notional Amount	$ 92.0	$ 232.5	$ 152.6
Tobacco purchases [Member] | Derivatives Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	47.1	134.7	101.3
Processing costs [Member] | Derivatives Not Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	9.7	32.5	27.8
Crop input sales [Member] | Derivatives Not Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 35.2	$ 65.3	$ 23.5