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Derivatives And Hedging Activities Notional Amount of Forward Contracts (Details) - USD ($) $ in Millions	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 94.7	$ 56.3	$ 128.5
Forward contracts related to tobacco purchase [Member] | Derivatives Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	70.7	43.1	105.6
Forward contracts related to tobacco processing costs [Member] | Derivatives Not Designated As Hedges [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 24.0	$ 13.2	$ 22.9

X

- 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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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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