Notional Amount of Forward Contracts (Details) - Forward Foreign Currency Exchange Contract [Member] - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Derivative [Line Items]
Notional amount of derivative contracts	$ 35.8	$ 139.2
Derivatives related to tobacco purchases [Member] | Tobacco purchases [Member]
Derivative [Line Items]
Notional amount of derivative contracts	30.4	99.7
Derivatives related to tobacco purchases [Member] | Crop input sales [Member]
Derivative [Line Items]
Notional amount of derivative contracts	0.0	20.8
Derivatives related to processing costs [Member] | Processing costs [Member]
Derivative [Line Items]
Notional amount of derivative contracts	$ 5.4	$ 18.7