Derivatives And Hedging Activities Notional Amount of Forward Contracts (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Millions	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Derivative [Line Items]
Derivative, Notional Amount	$ 232.5	$ 152.6	$ 180.0
Tobacco purchases [Member] | Derivatives Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	134.7	101.3	123.2
Processing costs [Member] | Derivatives Not Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	32.5	27.8	35.1
Crop input sales [Member] | Derivatives Not Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 65.3	$ 23.5	$ 21.7