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Derivatives And Hedging Activities Notional Amount of Forward Contracts (Details) - USD ($) $ in Millions | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Forward Foreign Currency Exchange Contract [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative contracts | $ 26.7 | $ 12.4
Forward contracts related to tobacco purchase | Derivatives Designated As Hedges [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative contracts | 19.4 | 9.7
Forward contracts related to tobacco processing costs | Derivatives Not Designated As Hedges [Member] |  |
Derivative [Line Items] |  |
Notional amount of derivative contracts | $ 7.3 | $ 2.7

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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