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Derivatives And Hedging Activities Notional Amount of Forward Contracts (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Millions | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019
--- | --- | --- | ---
Derivative [Line Items] |  |  |
Derivative, Notional Amount | $ 152.6 | $ 180.0 | $ 96.7
Tobacco purchases [Member] | Derivatives Designated As Hedges [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 101.3 | 123.2 | 76.9
Processing costs [Member] | Derivatives Not Designated As Hedges [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 27.8 | 35.1 | 19.8
Crop input sales [Member] | Derivatives Not Designated As Hedges [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | $ 23.5 | $ 21.7 | $ 0.0

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